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authorJari Vetoniemi <jari.vetoniemi@indooratlas.com>2020-03-16 18:49:26 +0900
committerJari Vetoniemi <jari.vetoniemi@indooratlas.com>2020-03-30 00:39:06 +0900
commitfcbf63e62c627deae76c1b8cb8c0876c536ed811 (patch)
tree64cb17de3f41a2b6fef2368028fbd00349946994 /jni/ruby/configure.in
Fresh start
Diffstat (limited to 'jni/ruby/configure.in')
-rw-r--r--jni/ruby/configure.in4300
1 files changed, 4300 insertions, 0 deletions
diff --git a/jni/ruby/configure.in b/jni/ruby/configure.in
new file mode 100644
index 0000000..7330df4
--- /dev/null
+++ b/jni/ruby/configure.in
@@ -0,0 +1,4300 @@
+dnl Process this file with autoconf to produce a configure script.
+AC_INIT()
+{
+AC_CONFIG_AUX_DIR(tool)
+
+AC_PREREQ(2.67)
+
+AC_DEFUN([RUBY_PREREQ_AC],
+ [m4_if(m4_version_compare(m4_defn([m4_PACKAGE_VERSION]), [$1]), [-1],
+ AC_MSG_ERROR([Autoconf version ]$1[ or higher is required]$2))])
+
+AC_DISABLE_OPTION_CHECKING
+
+AC_DEFUN([RUBY_RM_RECURSIVE], [
+m4_if(m4_version_compare(m4_defn([m4_PACKAGE_VERSION]), [2.70]), [-1], [
+# suppress error messages, rm: cannot remove 'conftest.dSYM', from
+# AC_EGREP_CPP with CFLAGS=-g on Darwin.
+#
+# TODO: remove this hack when AC_PREREQ() becomes 2.70 or later.
+AS_CASE([$build_os], [darwin*], [
+rm() {
+ rm_recursive=''
+ for arg do
+ AS_CASE("$arg",
+ [--*], [],
+ [-*r*], [break],
+ [conftest.*], [if test -d "$arg"; then rm_recursive=-r; break; fi],
+ [])
+ done
+ command rm $rm_recursive "[$]@"
+}
+])])])
+
+{ # environment section
+
+AC_ARG_WITH(baseruby,
+ AS_HELP_STRING([--with-baseruby=RUBY], [use RUBY as baseruby; RUBY is the pathname of ruby]),
+ [
+ AS_CASE(["$withval"],[*ruby*],[BASERUBY=$withval],[AC_MSG_ERROR(need ruby)])
+ ],
+ [
+ BASERUBY="ruby"
+ ])
+if test "`RUBYOPT=- $BASERUBY -e 'p 42' 2>/dev/null`" = 42; then
+ if test "`RUBYOPT=- $BASERUBY --disable=gems -e 'p 42' 2>/dev/null`" = 42; then
+ BASERUBY="$BASERUBY --disable=gems"
+ fi
+ $BASERUBY -C "$srcdir/tool" downloader.rb -e gnu config.guess config.sub
+ HAVE_BASERUBY=yes
+else
+ BASERUBY="echo executable host ruby is required. use --with-baseruby option.; false"
+ HAVE_BASERUBY=no
+fi
+AC_SUBST(BASERUBY)
+AC_SUBST(HAVE_BASERUBY)
+
+AC_DEFUN([RUBY_MINGW32],
+[AS_CASE(["$host_os"],
+[cygwin*], [
+AC_CACHE_CHECK(for mingw32 environment, rb_cv_mingw32,
+[AC_TRY_CPP([
+#ifndef __MINGW32__
+# error
+#endif
+], rb_cv_mingw32=yes,rb_cv_mingw32=no)
+rm -f conftest*])
+if test "$rb_cv_mingw32" = yes; then
+ target_os="mingw32"
+ : ${ac_tool_prefix:="`expr "$CC" : ['\(.*-\)g\?cc[^/]*$']`"}
+fi
+])
+AS_CASE(["$target_os"], [mingw*msvc], [
+target_os="`echo ${target_os} | sed 's/msvc$//'`"
+])
+AS_CASE(["$target_cpu-$target_os"], [x86_64-mingw*], [
+target_cpu=x64
+])
+])
+
+AC_DEFUN([RUBY_NACL],
+[
+ AS_CASE(["${host_os}"],
+[nacl], [
+ ac_cv_exeext=.nexe
+ host_vendor=chromium
+ ac_cv_host=chromium
+ AC_MSG_CHECKING([wheather \$NACL_SDK_ROOT is set])
+ if test x"${NACL_SDK_ROOT}" = x; then
+ AC_MSG_RESULT([no])
+ AC_MSG_ERROR([You need to set \$NACL_SDK_ROOT environment variable to build for NativeClient])
+ fi
+ AC_MSG_RESULT([yes])
+
+ nacl_cv_build_variant=glibc
+ AC_ARG_WITH(newlib,
+ AS_HELP_STRING([--with-newlib], [uses newlib version of NativeClient SDK]),
+ [AS_CASE([$withval],
+ [no], [nacl_cv_build_variant=glibc],
+ [yes], [nacl_cv_build_variant=newlib])])
+
+ AS_CASE(["$target_cpu"],
+ [x86_64], [nacl_cv_cpu_nick=x86
+ nacl_cv_cpu_nick2=x86_64],
+ [i?86], [nacl_cv_cpu_nick=x86
+ nacl_cv_cpu_nick2=x86_32],
+ [le32], [nacl_cv_cpu_nick=pnacl
+ nacl_cv_cpu_nick2=pnacl
+ ac_cv_exeext=.pexe],
+ [nacl_cv_cpu_nick=$target_cpu])
+ AS_CASE(["$build_os"],
+ [linux*], [nacl_cv_os_nick=linux],
+ [darwin*], [nacl_cv_os_nick=mac],
+ [cygwin*|mingw*], [nacl_cv_os_nick=win],
+ [nacl_cv_os_nick=$build_os])
+
+ host="$host_cpu-chromium-$host_os-"
+ ac_tool_prefix="$host_cpu-nacl-"
+
+ AC_MSG_CHECKING([NativeClient toolchain])
+ if test x"$nacl_cv_cpu_nick" = xpnacl; then
+ NACL_TOOLCHAIN="${nacl_cv_os_nick}_pnacl"
+ ac_tool_prefix=pnacl-
+ elif test -d \
+ "${NACL_SDK_ROOT}/toolchain/${nacl_cv_os_nick}_${nacl_cv_cpu_nick}_${nacl_cv_build_variant}"; then
+ NACL_TOOLCHAIN="${nacl_cv_os_nick}_${nacl_cv_cpu_nick}_${nacl_cv_build_variant}"
+ elif test -d \
+ "${NACL_SDK_ROOT}/toolchain/${nacl_cv_os_nick}_x86_${nacl_cv_cpu_nick}/${nacl_cv_build_variant}"; then
+ NACL_TOOLCHAIN="${nacl_cv_os_nick}_x86_${nacl_cv_cpu_nick}/${nacl_cv_build_variant}"
+ else
+ AS_CASE(
+ ["${nacl_cv_build_variant}"],
+ [glibc], [if test \
+ -d "${NACL_SDK_ROOT}/toolchain/${nacl_cv_os_nick}_${nacl_cv_cpu_nick}_newlib" \
+ -a -d "${NACL_SDK_ROOT}/toolchain/${nacl_cv_os_nick}_${nacl_cv_cpu_nick}"; then
+ NACL_TOOLCHAIN="${nacl_cv_os_nick}_${nacl_cv_cpu_nick}"
+ fi],
+ [newlib], [ NACL_TOOLCHAIN="${nacl_cv_os_nick}_${nacl_cv_cpu_nick}" ])
+ fi
+ if test ! -e "${NACL_SDK_ROOT}/toolchain/${NACL_TOOLCHAIN}/${ac_tool_prefix}gcc"; then
+ if test "${build_cpu}" = i686 -a -e "${NACL_SDK_ROOT}/toolchain/${NACL_TOOLCHAIN}/nacl-gcc"; then
+ ac_tool_prefix=nacl-
+ fi
+ if test "${build_cpu}" = x86_64 -a -e "${NACL_SDK_ROOT}/toolchain/${NACL_TOOLCHAIN}/nacl-gcc"; then
+ ac_tool_prefix=nacl64-
+ fi
+ fi
+ if test -z "${NACL_TOOLCHAIN}"; then
+ AC_MSG_ERROR([Unrecognized --host and --build combination or NaCl SDK is not installed])
+ fi
+ AC_MSG_RESULT(${NACL_TOOLCHAIN})
+
+ AC_MSG_CHECKING([path to SDK])
+ if ! echo -- "${PATH}" | grep -F "${NACL_SDK_ROOT}/toolchain/${NACL_TOOLCHAIN}/bin" > /dev/null; then
+ PATH="${PATH}:${NACL_SDK_ROOT}/toolchain/${NACL_TOOLCHAIN}/bin"
+ fi
+ AC_MSG_RESULT(${NACL_SDK_ROOT}/toolchain/${NACL_TOOLCHAIN}/bin)
+
+ RUBY_APPEND_OPTIONS(XCFLAGS, '-I$(NACL_SDK_ROOT)/include')
+ if test x"${nacl_cv_cpu_nick}" = xpnacl; then
+ RUBY_APPEND_OPTIONS(XCFLAGS, '-isystem $(NACL_SDK_ROOT)/include/pnacl')
+ elif test x"${nacl_cv_build_variant}" = xnewlib; then
+ RUBY_APPEND_OPTIONS(XCFLAGS, '-isystem $(NACL_SDK_ROOT)/include/newlib')
+ fi
+
+ AC_MSG_CHECKING([nacl library path])
+ if test -d "${NACL_SDK_ROOT}/lib/${nacl_cv_build_variant}_${nacl_cv_cpu_nick2}/Release"; then
+ nacl_cv_libpath="${nacl_cv_build_variant}_${nacl_cv_cpu_nick2}"
+ elif test -d "${NACL_SDK_ROOT}/lib/${nacl_cv_cpu_nick2}/Release"; then
+ nacl_cv_libpath="${nacl_cv_cpu_nick2}"
+ else
+ AC_MSG_ERROR([not found])
+ fi
+ AC_MSG_RESULT([${nacl_cv_libpath}])
+ RUBY_APPEND_OPTIONS(XLDFLAGS, '-L$(NACL_SDK_ROOT)/'"lib/${nacl_cv_libpath}/Release")
+
+ AC_SUBST(NACL_TOOLCHAIN)
+ AC_SUBST(NACL_SDK_ROOT)
+ AC_SUBST(NACL_SDK_VARIANT, "${nacl_cv_build_variant}")
+ AC_SUBST(NACL_LIB_PATH, "${nacl_cv_libpath}")
+ AC_CHECK_TOOLS(CC, [clang gcc])
+ AC_CHECK_TOOLS(CXX, [clang++ g++])
+])])
+
+AC_DEFUN([RUBY_NACL_CHECK_PEPPER_TYPES],
+[AS_CASE(["${host_os}"],
+[nacl], [
+ AC_CHECK_TYPES([struct PPB_Core, struct PPB_Messaging, struct PPB_Var,
+ struct PPB_URLLoader, struct PPB_URLRequestInfo,
+ struct PPB_URLResponseInfo, struct PPB_FileRef,
+ struct PPP_Instance])
+])
+])
+
+AC_DEFUN([RUBY_CPPOUTFILE],
+[AC_CACHE_CHECK(whether ${CPP} accepts -o, rb_cv_cppoutfile,
+[save_CPPFLAGS="$CPPFLAGS"
+CPPFLAGS='-o conftest-1.i'
+rb_cv_cppoutfile=no
+AC_TRY_CPP([test-for-cppout],
+ [grep test-for-cppout conftest-1.i > /dev/null && rb_cv_cppoutfile=yes])
+CPPFLAGS="$save_CPPFLAGS"
+rm -f conftest*])
+if test "$rb_cv_cppoutfile" = yes; then
+ CPPOUTFILE='-o conftest.i'
+elif test "$rb_cv_cppoutfile" = no; then
+ CPPOUTFILE='> conftest.i'
+elif test -n "$rb_cv_cppoutfile"; then
+ CPPOUTFILE="$rb_cv_cppoutfile"
+fi
+AC_SUBST(CPPOUTFILE)])
+
+AC_DEFUN([RUBY_PROG_GNU_LD],
+[AC_CACHE_CHECK(whether the linker is GNU ld, rb_cv_prog_gnu_ld,
+[if `$CC $CFLAGS $CPPFLAGS $LDFLAGS --print-prog-name=ld 2>&1` -v 2>&1 | grep "GNU ld" > /dev/null; then
+ rb_cv_prog_gnu_ld=yes
+else
+ rb_cv_prog_gnu_ld=no
+fi
+])
+GNU_LD=$rb_cv_prog_gnu_ld
+AC_SUBST(GNU_LD)])
+
+eval `sed -n 's/^#define RUBY_API_VERSION_\([A-Z][A-Z_0-9]*\) \([0-9][0-9]*\)/\1=\2/p' $srcdir/include/ruby/version.h`
+for v in MAJOR MINOR TEENY; do
+ if eval "test \"\$$v\" = ''"; then
+ AC_MSG_ERROR(could not determine $v number from version.h)
+ fi
+done
+AC_SUBST(MAJOR)
+AC_SUBST(MINOR)
+AC_SUBST(TEENY)
+RUBY_PROGRAM_VERSION=`sed -n 's/^#define RUBY_VERSION "\(.*\)"/\1/p' $srcdir/version.h`
+AC_SUBST(RUBY_PROGRAM_VERSION)
+RUBY_PATCHLEVEL=`sed -n 's/^#define RUBY_PATCHLEVEL //p' $srcdir/version.h`
+AC_DEFINE(CANONICALIZATION_FOR_MATHN)
+dnl checks for alternative programs
+AC_CANONICAL_BUILD
+RUBY_RM_RECURSIVE
+AC_ARG_WITH(gcc,
+ AS_HELP_STRING([--without-gcc], [never use gcc]),
+ [
+ AS_CASE([$withval],
+ [no], [: ${CC=cc}],
+ [yes], [: ${CC=gcc}],
+ [CC=$withval])])
+dnl If the user switches compilers, we can't believe the cache
+if test ! -z "$ac_cv_prog_CC" -a ! -z "$CC" -a "$CC" != "$ac_cv_prog_CC"
+then
+ AC_MSG_ERROR(cached CC is different -- throw away $cache_file
+(it is also a good idea to do 'make clean' before compiling))
+fi
+AS_CASE(["$build_os"],
+ [darwin1*.*], [
+ AS_CASE(["x$CC"],
+ [xgcc-4.2|x/usr/bin/gcc-4.2], [: ${CXX=g++-4.2}],
+ [xgcc|x/usr/bin/gcc], [: ${CXX=g++}],
+ [xcc|x/usr/bin/cc], [: ${CXX=c++}],
+ [xclang|x/usr/bin/clang], [: ${CXX=clang++}])
+ ])
+test -z "$CC" || ac_cv_prog_CC="$CC"
+test -z "$CXX" || ac_cv_prog_CXX="$CXX"
+
+if test "$program_prefix" = NONE; then
+ program_prefix=
+fi
+if test "$prefix" -ef .; then
+ AC_MSG_ERROR(--prefix cannot be the current working directory.)
+fi
+RUBY_BASE_NAME=`echo ruby | sed "$program_transform_name"`
+RUBYW_BASE_NAME=`echo rubyw | sed "$program_transform_name"`
+AC_SUBST(RUBY_BASE_NAME)
+AC_SUBST(RUBYW_BASE_NAME)
+AC_SUBST(RUBY_VERSION_NAME, '${RUBY_BASE_NAME}-${ruby_version}')
+
+AC_CANONICAL_TARGET
+test x"$target_alias" = x &&
+target_os=`echo $target_os | sed 's/linux-gnu$/linux/;s/linux-gnu/linux-/'`
+ac_install_sh='' # unusable for extension libraries.
+
+AC_ARG_WITH(os-version-style,
+ AS_HELP_STRING([--with-os-version-style=TYPE],
+ [OS version number for target and target_os [[full]]]
+ [(full|teeny|minor+0|minor|major+0|major|none)]),
+ [os_version_style=$withval],
+ [os_version_style=full
+ AS_CASE($target_os, [[*[0-9].*]],
+ [AS_CASE([`/usr/bin/ruby -e 'puts RUBY_PLATFORM' 2>/dev/null`],
+ [[*-*[0-9].*.0]], [os_version_style=minor+0],
+ [[*-*[0-9].*.*]], [os_version_style=full],
+ [[*-*[0-9].0] ], [os_version_style=major+0],
+ [[*-*[0-9].*] ], [os_version_style=minor],
+ [[*-*[0-9]] ], [os_version_style=major],
+ )])
+ ])
+os_version_style_transform=
+AS_CASE("${os_version_style}",
+ [full|teeny], [],
+ [minor+0], [os_version_style_transform=['s/\([0-9]\.[0-9][0-9]*\)\.[0-9][.0-9]*$/\1.0/']],
+ [minor], [os_version_style_transform=['s/\([0-9]\.[0-9][0-9]*\)\.[0-9][.0-9]*$/\1/']],
+ [major+0], [os_version_style_transform=['s/\([0-9]\)\.[0-9][.0-9]*$/\1.0/']],
+ [major], [os_version_style_transform=['s/\([0-9]\)\.[0-9][.0-9]*$/\1/']],
+ [none], [os_version_style_transform=['s/[0-9]\.[0-9][.0-9]*$//']],
+ [AC_MSG_ERROR(unknown --with-os-version-style: $withval)])
+AS_IF([test -z "$target_alias" -a -n "$os_version_style_transform"],
+ [
+ target=`echo ${target} | sed "$os_version_style_transform"`
+ target_os=`echo ${target_os} | sed "$os_version_style_transform"`
+ ])
+
+AC_DEFUN([RUBY_APPEND_OPTION],
+ [# RUBY_APPEND_OPTION($1)
+ AS_CASE([" [$]{$1-} "],
+ [*' $2 '*], [], [' '], [ $1="$2"], [ $1="[$]$1 $2"])])
+AC_DEFUN([RUBY_APPEND_OPTIONS],
+ [# RUBY_APPEND_OPTIONS($1)
+ for rb_opt in $2; do
+ AS_CASE([" [$]{$1-} "],
+ [*" [$]{rb_opt} "*], [], [' '], [ $1="[$]{rb_opt}"], [ $1="[$]$1 [$]{rb_opt}"])
+ done])
+AC_DEFUN([RUBY_PREPEND_OPTION],
+ [# RUBY_PREPEND_OPTION($1)
+ AS_CASE([" [$]{$1-} "],
+ [*' $2 '*], [], [' '], [ $1="$2"], [ $1="$2 [$]$1"])])
+AC_DEFUN([RUBY_PREPEND_OPTIONS],
+ [# RUBY_PREPEND_OPTIONS($1)
+ unset rb_opts; for rb_opt in $2; do
+ AS_CASE([" [$]{rb_opts} [$]{$1-} "],
+ [*" [$]{rb_opt} "*], [], [' '], [ $1="[$]{rb_opt}"], [ rb_opts="[$]{rb_opts}[$]{rb_opt} "])
+ done
+ $1="[$]{rb_opts}[$]$1"])
+
+AC_ARG_WITH(arch,
+ AS_HELP_STRING([--with-arch=ARCHS],
+ [build an Apple/NeXT Multi Architecture Binary (MAB);
+ ARCHS is a comma-delimited list of architectures for
+ which to build; if this option is disabled or omitted
+ entirely, then the package will be built only for the
+ target platform]),
+ [target_archs="$withval"], [unset target_archs])
+
+AC_DEFUN([RUBY_DEFAULT_ARCH], [
+AC_MSG_CHECKING([arch option])
+AS_CASE([$1],
+ [*64], [ARCH_FLAG=-m64],
+ [[i[3-6]86]], [ARCH_FLAG=-m32],
+ [AC_MSG_ERROR(unknown target architecture: $target_archs)]
+ )
+AC_MSG_RESULT([$ARCH_FLAG])
+])
+
+AC_DEFUN([RUBY_UNIVERSAL_ARCH], [
+# RUBY_UNIVERSAL_ARCH begin
+ARCH_FLAG=`expr " $CXXFLAGS " : ['.* \(-m[0-9][0-9]*\) ']`
+test ${CXXFLAGS+set} && CXXFLAGS=`echo "$CXXFLAGS" | sed [-e 's/ *-arch *[^ ]*//g' -e 's/ *-m32//g' -e 's/ *-m64//g']`
+ARCH_FLAG=`expr " $CFLAGS " : ['.* \(-m[0-9][0-9]*\) ']`
+test ${CFLAGS+set} && CFLAGS=`echo "$CFLAGS" | sed [-e 's/ *-arch *[^ ]*//g' -e 's/ *-m32//g' -e 's/ *-m64//g']`
+test ${LDFLAGS+set} && LDFLAGS=`echo "$LDFLAGS" | sed [-e 's/ *-arch *[^ ]*//g' -e 's/ *-m32//g' -e 's/ *-m64//g']`
+unset universal_binary universal_archnames
+if test ${target_archs+set}; then
+ AC_MSG_CHECKING([target architectures])
+ target_archs=`echo $target_archs | tr , ' '`
+ # /usr/lib/arch_tool -archify_list $TARGET_ARCHS
+ for archs in $target_archs
+ do
+ AS_CASE([",$universal_binary,"],[*",$archs,"*], [],[
+ cpu=`$SHELL "$ac_aux_dir/config.sub" "${archs}-${target_os}" 2>&1` || {
+ AC_MSG_RESULT([failed])
+ AC_MSG_ERROR([$cpu])
+ }
+ cpu=`echo $cpu | sed 's/-.*-.*//'`
+ universal_binary="${universal_binary+$universal_binary,}$cpu"
+ universal_archnames="${universal_archnames} ${archs}=${cpu}"
+ ARCH_FLAG="${ARCH_FLAG+$ARCH_FLAG }-arch $archs"
+ ])
+ done
+ target_archs="$universal_binary"
+ unset universal_binary
+ AS_CASE(["$target_archs"],
+ [*,*], [universal_binary=yes],
+ [unset universal_archnames])
+ AC_MSG_RESULT([$target_archs])
+
+ target=`echo $target | sed "s/^$target_cpu-/-/"`
+ target_alias=`echo $target_alias | sed "s/^$target_cpu-/-/"`
+ if test "${universal_binary-no}" = yes; then
+ AC_SUBST(try_header,try_compile)
+ target_cpu=universal
+ real_cross_compiling=$cross_compiling
+ else
+ if test x"$target_cpu" != x"${target_archs}"; then
+ echo 'int main(){return 0;}' > conftest.c
+ if $CC $CFLAGS $ARCH_FLAG -o conftest conftest.c > /dev/null 2>&1; then
+ rm -fr conftest.*
+ else
+ RUBY_DEFAULT_ARCH("$target_archs")
+ fi
+ fi
+ target_cpu=${target_archs}
+ fi
+ AS_CASE(["$target"], [-*], [ target="$target_cpu${target}"])
+ AS_CASE(["$target_alias"], [-*], [ target_alias="$target_cpu${target_alias}"])
+else
+ if test x"$target_alias" = x; then
+ AS_CASE(["$target_os"],
+ [darwin*], [
+ AC_MSG_CHECKING([for real target cpu])
+ target=`echo $target | sed "s/^$target_cpu-/-/"`
+ target_cpu=`$CC -E - 2>/dev/null <<EOF |
+#ifdef __x86_64__
+"processor-name=x86_64"
+#endif
+#ifdef __i386__
+"processor-name=i386"
+#endif
+#ifdef __ppc__
+"processor-name=powerpc"
+#endif
+#ifdef __ppc64__
+"processor-name=powerpc64"
+#endif
+EOF
+ sed -n 's/^"processor-name=\(.*\)"/\1/p'`
+ target="$target_cpu${target}"
+ AC_MSG_RESULT([$target_cpu])
+ ])
+ fi
+ target_archs="$target_cpu"
+fi
+if test "${target_archs}" != "${rb_cv_target_archs-${target_archs}}"; then
+ AC_MSG_ERROR([target arch(s) has changed from ${rb_cv_target_archs-nothing} to ${target_archs}])
+else
+ rb_cv_target_archs=${target_archs}
+fi
+if test "x${ARCH_FLAG}" != x; then
+ CFLAGS="$CFLAGS ${ARCH_FLAG}"
+ LDFLAGS="${LDFLAGS+$LDFLAGS }${ARCH_FLAG}"
+fi
+# RUBY_UNIVERSAL_ARCH end
+])
+
+AC_ARG_ENABLE(load-relative,
+ AS_HELP_STRING([--enable-load-relative], [resolve load paths at run time]),
+ [load_relative=$enableval])
+
+AC_ARG_PROGRAM
+
+dnl Checks for programs.
+
+cflagspat=
+test -z "$optflags" ||
+ cflagspat="$cflagspat;s|"`eval echo '"'"${optflags}"'"' | sed 's/[[][|.*]]/\\&/g;s/^ */ /;s/ *$/ /'`'| |g'
+test -z "$debugflags" ||
+ cflagspat="$cflagspat;s|"`eval echo '"'"${debugflags}"'"' | sed 's/[[][|.*]]/\\&/g;s/^ */ /;s/ *$/ /'`'| |g'
+test -z "warnflags" ||
+ cflagspat="$cflagspat;s|"`eval echo '"'"${warnflags}"'"' | sed 's/[[][|.*]]/\\&/g;s/^ */ /;s/ *$/ /'`'| |g'
+if test -z "${CFLAGS+set}"; then
+ cflags=`echo " $cflags " | sed "$cflagspat;s/^ *//;s/ *$//"`
+ orig_cflags="$cflags"
+ cflags="$cflags "'${optflags} ${debugflags} ${warnflags}'
+fi
+if test -z "${CXXFLAGS+set}"; then
+ cxxflags=`echo " $cxxflags " | sed "$cflagspat;s/^ *//;s/ *$//"`
+ orig_cxxflags="$cxxflags"
+ cxxflags="$cxxflags "'${optflags} ${debugflags} ${warnflags}'
+fi
+
+RUBY_NACL
+AS_CASE(["$host_os:$build_os"],
+[darwin*:darwin*], [
+ AC_CHECK_TOOLS(CC, [clang gcc cc])
+ # Following Apple deployed clang are broken
+ # clang version 1.0 (http://llvm.org/svn/llvm-project/cfe/tags/Apple/clang-23 exported)
+ # Apple clang version 2.0 (tags/Apple/clang-137) (based on LLVM 2.9svn)
+ # Apple clang version 2.1 (tags/Apple/clang-163.7.1) (based on LLVM 3.0svn)
+ if ! $CC -E -xc - <<SRC >/dev/null; then
+ @%:@if defined __APPLE_CC__ && defined __clang_major__ && __clang_major__ < 3
+ @%:@error premature clang
+ @%:@endif
+SRC
+ AC_MSG_ERROR([clang version 3.0 or later is required])
+ fi
+])
+if test x"${build}" != x"${host}"; then
+ AC_CHECK_TOOL(CC, gcc)
+fi
+
+AC_PROG_CC
+AC_PROG_CXX
+RUBY_MINGW32
+AC_PROG_GCC_TRADITIONAL
+AC_SUBST(GCC)
+AS_CASE(["$target_os"],
+[solaris*], [AC_PATH_TOOL([LD], [ld], [/usr/ccs/bin/ld], [/usr/ccs/bin:$PATH])],
+[AC_CHECK_TOOL([LD], [ld], [ld])])
+AC_SUBST(LD)
+if test "$GCC" = yes; then
+ linker_flag=-Wl,
+ : ${optflags=-O3}
+ gcc_major=`echo =__GNUC__ | $CC -E -xc - | sed '/^=/!d;s///'`
+ gcc_minor=`echo =__GNUC_MINOR__ | $CC -E -xc - | sed '/^=/!d;s///'`
+ test -n "$gcc_major" || gcc_major=0
+ test -n "$gcc_minor" || gcc_minor=0
+ # RUBY_APPEND_OPTIONS(XCFLAGS, ["-include ruby/config.h" "-include ruby/missing.h"])
+else
+ linker_flag=
+fi
+
+RUBY_PROG_GNU_LD
+RUBY_CPPOUTFILE
+
+: ${OUTFLAG='-o '}
+: ${COUTFLAG=${OUTFLAG}}
+AC_SUBST(OUTFLAG)
+AC_SUBST(COUTFLAG)
+
+cc_version=
+for option in --version -v -V -qversion; do
+ cc_version_message=`$CC $option 2>&1`
+ cc_version_status=$?
+ AS_CASE($cc_version_status, [0], [:], [continue])
+ AS_CASE($cc_version_message, [*Warning*], [continue])
+ cc_version='$(CC) '$option
+done
+AC_SUBST(CC_VERSION, $cc_version)
+
+RUBY_UNIVERSAL_ARCH
+if test "$target_cpu" != "$host_cpu" -a "$GCC" = yes -a "$cross_compiling" = no -a "$universal_binary" = no; then
+ RUBY_DEFAULT_ARCH("$target_cpu")
+fi
+
+AS_CASE(["$target_cpu-$target_os"], [[i[3-6]86*]], [
+ AC_CACHE_CHECK([for __sync_val_compare_and_swap], [rb_cv_gcc_compiler_cas], [
+ AC_TRY_LINK([unsigned long atomic_var;],
+ [
+ __sync_val_compare_and_swap(&atomic_var, 0, 1);
+ ],
+ [rb_cv_gcc_compiler_cas=yes],
+ [rb_cv_gcc_compiler_cas=no])])
+ if test "$rb_cv_gcc_compiler_cas" = no; then
+ unset rb_cv_gcc_compiler_cas
+ save_CFLAGS="$CFLAGS"
+ CFLAGS="$CFLAGS -march=i486"
+ AC_CACHE_CHECK([for __sync_val_compare_and_swap with -march=i486], [rb_cv_gcc_compiler_cas], [
+ AC_TRY_LINK([unsigned long atomic_var;],
+ [
+ __sync_val_compare_and_swap(&atomic_var, 0, 1);
+ ],
+ [rb_cv_gcc_compiler_cas=yes
+ ARCH_FLAG="-march=i486"],
+ [rb_cv_gcc_compiler_cas=no])])
+ CFLAGS="$save_CFLAGS"
+ fi])
+
+AC_CHECK_TOOL(RANLIB, ranlib, :)
+AC_CHECK_TOOL(AR, ar)
+if test -z "$AR"; then
+ AC_CHECK_PROGS(AR, aal, ar)
+fi
+
+AC_CHECK_TOOL(AS, as)
+ASFLAGS=$ASFLAGS
+AC_SUBST(ASFLAGS)
+
+AS_CASE(["$target_os"],[cygwin*|mingw*], [ac_cv_prog_ac_ct_OBJCOPY=":"])
+
+# BSD's ports and MacPorts prefix GNU binutils with 'g'
+AC_CHECK_TOOLS(OBJDUMP, [objdump gobjdump])
+AC_CHECK_TOOLS(OBJCOPY, [objcopy gobjcopy])
+
+AS_CASE(["$target_os"],
+[cygwin*|mingw*], [
+ AC_CHECK_TOOL(WINDRES, windres)
+ AC_CHECK_TOOL(DLLWRAP, dllwrap)
+ target=`echo $target | sed "s/^$target_cpu-/-/"`
+ target_alias=`echo $target_alias | sed "s/^$target_cpu-/-/"`
+ target_cpu=`echo $target_cpu | sed s/i.86/i386/`
+ AS_CASE(["$target"], [-*], [ target="$target_cpu${target}"])
+ AS_CASE(["$target_alias"], [-*], [ target_alias="$target_cpu${target_alias}"])
+ AS_CASE(["$target_os"],
+ [mingw*], [
+ test "$rb_cv_msvcrt" = "" && unset rb_cv_msvcrt
+ AC_CACHE_CHECK(for mingw32 runtime DLL, rb_cv_msvcrt, [
+ AC_TRY_LINK([@%:@include <stdio.h>],
+ [FILE* volatile f = stdin; return 0;],
+ [rb_cv_msvcrt=`$OBJDUMP -p conftest$ac_exeext |
+ tr A-Z a-z |
+ sed -n '/^[[ ]]*dll name: \(msvc.*\)\.dll$/{s//\1/p;q;}'`],
+ [rb_cv_msvcrt=msvcrt])
+ test "$rb_cv_msvcrt" = "" && rb_cv_msvcrt=msvcrt])
+ RT_VER=`echo "$rb_cv_msvcrt" | tr -cd [0-9]`
+ test "$RT_VER" = "" && RT_VER=60
+ AC_DEFINE_UNQUOTED(RUBY_MSVCRT_VERSION, $RT_VER)
+ ])
+ : ${enable_shared=yes}
+ ],
+[aix*], [AC_CHECK_TOOL(NM, nm, /usr/ccs/bin/nm, /usr/ccs/bin:$PATH)],
+[hiuxmpp*], [AC_DEFINE(__HIUX_MPP__)]) # by TOYODA Eizi <toyoda@npd.kishou.go.jp>
+AC_CHECK_TOOL(NM, nm)
+
+AC_PROG_LN_S
+AC_PROG_MAKE_SET
+AC_PROG_INSTALL
+AC_PROG_MKDIR_P
+if test "x$MKDIR_P" = "x -d"; then
+ if test x"$as_mkdir_p" != xfalse; then
+ MKDIR_P='mkdir -p'
+ echo "use 'mkdir -p' as MKDIR_P"
+ else
+ AC_MSG_ERROR([mkdir -p is required])
+ fi
+fi
+MAKEDIRS="$MKDIR_P"
+AC_SUBST(MAKEDIRS)
+
+AC_DEFUN([RUBY_DTRACE_AVAILABLE],
+[AC_CACHE_CHECK(whether dtrace USDT is available, rb_cv_dtrace_available,
+[
+ echo "provider conftest{ probe fire(); };" > conftest_provider.d
+ if $DTRACE -h -o conftest_provider.h -s conftest_provider.d >/dev/null 2>/dev/null; then
+ # DTrace is available on the system
+ rb_cv_dtrace_available=yes
+ else
+ # DTrace is not available while dtrace command exists
+ # for example FreeBSD 8 or FreeBSD 9 without DTrace build option
+ rb_cv_dtrace_available=no
+ fi
+ rm -f conftest.[co] conftest_provider.[dho]
+])
+])
+
+AC_DEFUN([RUBY_DTRACE_POSTPROCESS],
+[AC_CACHE_CHECK(whether $DTRACE needs post processing, rb_cv_prog_dtrace_g,
+[
+ if {
+ cat >conftest_provider.d <<_PROBES &&
+ provider conftest {
+ probe fire();
+ };
+_PROBES
+ $DTRACE -h -o conftest_provider.h -s conftest_provider.d >/dev/null 2>/dev/null &&
+ cat >conftest.c <<_CONF &&
+ @%:@include "conftest_provider.h"
+ int main(void){ CONFTEST_FIRE(); return 0; }
+_CONF
+ $CC $CFLAGS $CPPFLAGS -c -o conftest.o conftest.c &&
+ cp -p conftest.o conftest.oo &&
+ $DTRACE -G -s conftest_provider.d conftest.o 2>/dev/null
+ }; then
+ rb_cv_prog_dtrace_g=yes
+ cmp -b conftest.o conftest.oo || rb_cv_prog_dtrace_g=rebuild
+ else
+ rb_cv_prog_dtrace_g=no
+ fi
+ rm -f conftest.[co] conftest_provider.[dho]
+])
+])
+
+AC_CHECK_PROG([DTRACE], [${ac_tool_prefix}dtrace], [${ac_tool_prefix}dtrace])
+if test "$cross_compiling:$ac_cv_prog_DTRACE" = no: -a -n "$ac_tool_prefix"; then
+ AC_CHECK_PROG([DTRACE], [dtrace], [dtrace])
+fi
+
+AC_CHECK_PROGS(DOT, dot)
+AC_CHECK_PROGS(DOXYGEN, doxygen)
+AS_CASE(["${host_os}"], [nacl], [AC_PATH_PROG(PYTHON, python)])
+
+AC_CHECK_PROG(PKG_CONFIG, pkg-config, [pkg-config], [], [],
+ [`"$as_dir/$ac_word$ac_exec_ext" --print-errors --version > /dev/null 2>&1 || echo "$as_dir/$ac_word$ac_exec_ext"`])
+
+# checks for UNIX variants that set C preprocessor variables
+AC_USE_SYSTEM_EXTENSIONS
+
+AC_SUBST(RM, ['rm -f'])
+AC_SUBST(CP, ['cp'])
+RMDIRS='$(top_srcdir)/tool/rmdirs'
+RMDIR=rmdir
+mkdir "rmdirs_$$_test" "rmdirs_$$_test/a"
+rmdir --ignore-fail-on-non-empty "rmdirs_$$_test" 2>/dev/null &&
+RMDIR='rmdir --ignore-fail-on-non-empty'
+$RMDIR -p "rmdirs_$$_test/a" 2>/dev/null &&
+{ test -d "rmdirs_$$_test" || RMDIRS="$RMDIR -p"; }
+rmdir "rmdirs_$$_test/a" "rmdirs_$$_test" 2>/dev/null
+AC_SUBST(RMDIR)
+AC_SUBST(RMDIRS)
+AC_SUBST(RMALL, ['rm -fr'])
+
+AC_MSG_CHECKING([for cd using physical directory])
+rm -fr conf$$.dir
+mkdir conf$$.dir &&
+(cd conf$$.dir && mkdir src build && cd src &&
+$as_ln_s ../build . > /dev/null 2>&1 && cd build &&
+for chdir in 'cd -P' 'PWD= cd'; do
+ /bin/sh -c "$chdir ../src && echo '$chdir' > cdcmd" 2> /dev/null && break
+done)
+if test -f conf$$.dir/src/cdcmd; then
+ read CHDIR < conf$$.dir/src/cdcmd 2> /dev/null
+else
+ CHDIR=cd
+fi
+rm -fr conf$$.dir
+AC_MSG_RESULT([$CHDIR])
+AC_SUBST(CHDIR)
+
+}
+{ # compiler section
+
+AC_DEFUN([RUBY_WERROR_FLAG], [dnl
+save_CFLAGS="$CFLAGS"
+CFLAGS="$CFLAGS $rb_cv_warnflags"
+if test "${ac_c_werror_flag+set}"; then
+ rb_c_werror_flag="$ac_c_werror_flag"
+else
+ unset rb_c_werror_flag
+fi
+ac_c_werror_flag=yes
+$1
+CFLAGS="$save_CFLAGS"
+save_CFLAGS=
+if test "${rb_c_werror_flag+set}"; then
+ ac_c_werror_flag="$rb_c_werror_flag"
+else
+ unset ac_c_werror_flag
+fi])
+
+RUBY_WERROR_FLAG([
+ AC_MSG_CHECKING([whether CFLAGS is valid])
+ AC_TRY_COMPILE([], [],
+ [AC_MSG_RESULT(yes)],
+ [
+ AC_MSG_RESULT(no)
+ AC_MSG_ERROR([something wrong with CFLAGS="$CFLAGS"])
+ ]
+ )
+ AC_MSG_CHECKING([whether LDFLAGS is valid])
+ {
+ mkdir tmp.$$.try_link &&
+ cd tmp.$$.try_link &&
+ cp ../confdefs.h . &&
+ echo '<?xml?><plist><dict><key>CFBundleIdentifier</key><string></string></dict></plist>' > Info.plist &&
+ :
+ } || AC_MSG_ERROR([faild to make temporary directory])
+ AC_TRY_LINK([], [],
+ [AC_MSG_RESULT(yes)],
+ [
+ cd .. && rm -fr tmp.$$.try_link
+ AC_MSG_RESULT(no)
+ AC_MSG_ERROR([something wrong with LDFLAGS="$LDFLAGS"])
+ ]
+ )
+ cd .. && rm -fr tmp.$$.try_link
+])
+
+AC_DEFUN([RUBY_TRY_CFLAGS], [
+ AC_MSG_CHECKING([whether ]$1[ is accepted as CFLAGS])
+ RUBY_WERROR_FLAG([
+ CFLAGS="[$]CFLAGS $1"
+ AC_TRY_COMPILE([$4], [$5],
+ [$2
+ AC_MSG_RESULT(yes)],
+ [$3
+ AC_MSG_RESULT(no)])
+ ])
+])
+
+AC_DEFUN([RUBY_TRY_LDFLAGS], [
+ save_LDFLAGS="$LDFLAGS"
+ LDFLAGS="[$]LDFLAGS $1"
+ AC_MSG_CHECKING([whether $1 is accepted as LDFLAGS])
+ RUBY_WERROR_FLAG([
+ AC_TRY_LINK([$4], [$5],
+ [$2
+ AC_MSG_RESULT(yes)],
+ [$3
+ AC_MSG_RESULT(no)])
+ ])
+ LDFLAGS="$save_LDFLAGS"
+ save_LDFLAGS=
+])
+
+AS_CASE([$RUBY_PATCHLEVEL], [-*],
+ [particular_werror_flags=yes], [particular_werror_flags=no])
+AC_ARG_ENABLE(werror,
+ AS_HELP_STRING([--disable-werror],
+ [don't make warnings into errors
+ even if a compiler support -Werror feature
+ [[disabled by default unless development version]]]),
+ [particular_werror_flags=$enableval])
+
+rb_cv_warnflags="$warnflags"
+if test "$GCC:${warnflags+set}:no" = yes::no; then
+ if test $gcc_major -ge 4; then
+ extra_warning=-Werror=extra-tokens
+ else
+ extra_warning=
+ fi
+ for wflag in -Wno-unused-parameter -Wno-parentheses -Wno-long-long \
+ -Wno-missing-field-initializers \
+ -Wunused-variable \
+ -Werror=pointer-arith \
+ -Werror=write-strings \
+ -Werror=declaration-after-statement \
+ -Werror=shorten-64-to-32 \
+ -Werror=implicit-function-declaration \
+ -Werror=division-by-zero \
+ -Werror=deprecated-declarations \
+ -Wno-packed-bitfield-compat \
+ $extra_warning \
+ ; do
+ if test "$particular_werror_flags" != yes; then
+ wflag=`echo x$wflag | sed 's/^x-Werror=/-W/;s/^x//'`
+ fi
+ ok=no
+ RUBY_TRY_CFLAGS($wflag, [
+ RUBY_APPEND_OPTIONS(warnflags, $wflag)
+ ok=yes
+ ])
+ AS_CASE([$ok:$wflag], [no:-Werror=*], [
+ wflag=`echo x$wflag | sed 's/^x-Werror=/-W/'`
+ RUBY_TRY_CFLAGS($wflag, [
+ RUBY_APPEND_OPTIONS(warnflags, $wflag)
+ particular_werror_flags=no
+ ])
+ ])
+ done
+ AS_CASE([" $warnflags "],[*" -Wno-missing-field-initializers "*], [wflag="-Wall -Wextra"],
+ [wflag=-Wall])
+ RUBY_TRY_CFLAGS($wflag, [warnflags="$wflag${warnflags+ $warnflags}"])
+ # Disable warnflags while conftest. -Werror=* flags might make bad OS capability guess.
+ rb_cv_warnflags="$warnflags"
+ warnflags=
+fi
+RUBY_TRY_CFLAGS(-Qunused-arguments, [RUBY_APPEND_OPTIONS(rb_cv_wsuppress_flags, -Qunused-arguments)])
+
+if test "$GCC" = yes; then
+ # NaCl's glibc build generates undefined references to __memset_chk.
+ # TODO(sbc): Remove this once NaCl's glibc is fixed.
+ AS_CASE(["$target_os"], [nacl], [], [
+ # -D_FORTIFY_SOURCE
+ # When defined _FORTIFY_SOURCE, glibc enables some additional sanity
+ # argument check. The performance drop is very little and Ubuntu enables
+ # _FORTIFY_SOURCE=2 by default. So, let's support it for protecting us from
+ # a mistake of silly C extensions.
+ RUBY_TRY_CFLAGS(-D_FORTIFY_SOURCE=2, [RUBY_APPEND_OPTION(XCFLAGS, -D_FORTIFY_SOURCE=2)])
+ ])
+
+ # -fstack-protector
+ AS_CASE(["$target_os"],
+ [mingw*|nacl|haiku], [
+ stack_protector=no
+ ])
+ if test -z "${stack_protector+set}"; then
+ RUBY_TRY_CFLAGS(-fstack-protector, [stack_protector=yes], [stack_protector=no])
+ if test "x$stack_protector" = xyes; then
+ RUBY_TRY_LDFLAGS(-fstack-protector, [], [stack_protector=broken])
+ fi
+ fi
+ if test "x$stack_protector" = xyes; then
+ RUBY_APPEND_OPTION(XCFLAGS, -fstack-protector)
+ RUBY_APPEND_OPTION(XLDFLAGS, -fstack-protector)
+ RUBY_APPEND_OPTION(LDFLAGS, -fstack-protector)
+ fi
+
+ AS_CASE(["$target_os"],[mingw*], [
+ # On Windows platforms, system provided headers are VC++
+ # optimized. That is, C++ habits are often contaminated into
+ # various headers. Most frequent situation is the use of //
+ # comments. We bypass ANSI C mode for them. Otherwise
+ # extension libs cannot include those headers.
+ ],
+ [cygwin*|darwin*|netbsd*|nacl], [
+ # need lgamma_r(), finite()
+ ],
+ [haiku], [
+ # Haiku R1/alpha3 uses gcc-4.4.4 which can not handle anonymous union
+ # with ANSI standard flags. Anonumous union is required to compile
+ # socket extension where <net/if.h> uses anonymous union.
+ ],
+ [
+ # ANSI (no XCFLAGS because this is C only)
+ for ansi_options in -std=iso9899:1999 "-ansi -std=iso9899:199409"; do
+ RUBY_TRY_CFLAGS(${ansi_options}, [
+ RUBY_APPEND_OPTIONS(warnflags, ${ansi_options})
+ RUBY_APPEND_OPTIONS(strict_warnflags, ${ansi_options})
+ ], [ansi_options=])
+ test "x${ansi_options}" = x || break
+ done
+ ])
+
+ # suppress annoying -Wstrict-overflow warnings
+ RUBY_TRY_CFLAGS(-fno-strict-overflow, [RUBY_APPEND_OPTION(XCFLAGS, -fno-strict-overflow)])
+
+ test "${debugflags+set}" || {RUBY_TRY_CFLAGS(-ggdb3, [debugflags=-ggdb3])}
+ test "${debugflags+set}" || {RUBY_TRY_CFLAGS(-ggdb, [debugflags=-ggdb])}
+ test "${debugflags+set}" || {RUBY_TRY_CFLAGS(-g3, [debugflags=-g3])}
+fi
+test $ac_cv_prog_cc_g = yes && : ${debugflags=-g}
+
+if test "$GCC" = ""; then
+ AS_CASE(["$target_os"],[aix*],[warnflags="$warnflags -qinfo=por" rb_cv_warnflags="$rb_cv_warnflags -qinfo=por"])
+fi
+if test "$GCC" = yes; then
+ if test "$gcc_major" -ge 4; then
+ RUBY_TRY_CFLAGS(-fvisibility=hidden, [visibility_option=yes], [visibility_option=no])
+ fi
+ AC_SUBST(WERRORFLAG, "-Werror")
+ if test "$visibility_option" = yes; then
+ RUBY_APPEND_OPTION(XCFLAGS, -fvisibility=hidden)
+ AC_DEFINE(RUBY_SYMBOL_EXPORT_BEGIN, [_Pragma("GCC visibility push(default)")])
+ AC_DEFINE(RUBY_SYMBOL_EXPORT_END, [_Pragma("GCC visibility pop")])
+ else
+ RUBY_TRY_LDFLAGS([-Wl,-unexported_symbol,_Init_*], [visibility_option=ld], [visibility_option=no])
+ fi
+ test "$visibility_option" = no -o "$host_os" = nacl || OBJCOPY=:
+fi
+
+if test "$GCC" = yes; then
+ # optflags
+
+ AS_CASE(["$target_os"], [mingw*], [
+ RUBY_TRY_CFLAGS(-fno-omit-frame-pointer, [optflags="${optflags+$optflags }-fno-omit-frame-pointer"])
+ ])
+
+ # disable fast-math
+ for oflag in -fno-fast-math; do
+ RUBY_TRY_CFLAGS($oflag, [RUBY_APPEND_OPTION(optflags, $oflag)])
+ done
+fi
+
+AC_ARG_WITH(opt-dir,
+ AS_HELP_STRING([--with-opt-dir=DIR-LIST],
+ [add optional headers and libraries directories separated by $PATH_SEPARATOR]),
+ [
+ val=`echo "$PATH_SEPARATOR$withval" | sed "s|$PATH_SEPARATOR\([[^$PATH_SEPARATOR]*]\)| -I\1/include|g;s/^ //"`
+ CPPFLAGS="$CPPFLAGS $val"
+ val=`echo "$PATH_SEPARATOR$withval" | sed "s|$PATH_SEPARATOR\([[^$PATH_SEPARATOR]*]\)| -L\1/lib|g;s/^ //"`
+ LDFLAGS="$LDFLAGS $val"
+ LDFLAGS_OPTDIR="$val"
+ OPT_DIR="$withval"
+ ], [OPT_DIR=])
+
+test -z "${ac_env_CFLAGS_set}" -a -n "${cflags+set}" && eval CFLAGS="\"$cflags $ARCH_FLAG\""
+test -z "${ac_env_CXXFLAGS_set}" -a -n "${cxxflags+set}" && eval CXXFLAGS="\"$cxxflags $ARCH_FLAG\""
+
+}
+{ # header and library section
+
+AC_ARG_WITH(winnt-ver,
+ AS_HELP_STRING([--with-winnt-ver=0xXXXX], [target Windows NT version (default to 0x0501)]),
+ [with_winnt_ver="$withval"], [with_winnt_ver="0x0501"])
+AS_CASE(["$target_os"],
+[mingw*], [
+ RUBY_APPEND_OPTION(CPPFLAGS, -D_WIN32_WINNT=$with_winnt_ver)
+ RUBY_APPEND_OPTION(CPPFLAGS, -D__MINGW_USE_VC2005_COMPAT)
+])
+
+AS_CASE(["$target_os"],
+[freebsd*], [
+ AC_CACHE_CHECK([whether pthread should be enabled by default],
+ rb_cv_enable_pthread_default,
+ [AC_TRY_CPP([
+#include <osreldate.h>
+#if __FreeBSD_version < 502102
+#error pthread should be disabled on this platform
+#endif
+ ],
+ rb_cv_enable_pthread_default=yes,
+ rb_cv_enable_pthread_default=no)])
+ enable_pthread=$rb_cv_enable_pthread_default
+ ],
+[mingw*], [
+ enable_pthread=no
+ ],
+[
+ enable_pthread=yes
+ ])
+
+AC_ARG_ENABLE(pthread,
+ AS_HELP_STRING([--enable-pthread], [obsolete, and ignored]))
+
+dnl Checks for libraries.
+AS_CASE(["$target_os"],[*bsd*|dragonfly*],[],[ac_cv_func_daemon=no])
+
+POSTLINK=:
+AC_SUBST(POSTLINK)
+AS_CASE(["$target_os"],
+[nextstep*], [ ],
+[openstep*], [ ],
+[rhapsody*], [ ],
+[darwin*], [ RUBY_PREPEND_OPTION(LIBS, -lobjc)
+ RUBY_APPEND_OPTIONS(CPPFLAGS, -D_XOPEN_SOURCE -D_DARWIN_C_SOURCE -D_DARWIN_UNLIMITED_SELECT -D_REENTRANT)
+ AC_MSG_CHECKING(whether Mac OS X 10.5 or later)
+ AC_TRY_CPP([#include <AvailabilityMacros.h>
+ #if MAC_OS_X_VERSION_MAX_ALLOWED <= 1040
+ #error pre OS X 10.4
+ [!<===== pre OS X 10.4 =====>]
+ #endif
+ ],
+ [macosx_10_5=yes], [macosx_10_5=no])
+ AC_MSG_RESULT($macosx_10_5)
+ if test $macosx_10_5 = yes; then
+ ac_cv_func_getcontext=no
+ ac_cv_func_setcontext=no
+ else
+ AC_DEFINE(BROKEN_SETREUID, 1)
+ AC_DEFINE(BROKEN_SETREGID, 1)
+ fi
+ ac_cv_type_getgroups=gid_t # getgroups() on Rosetta fills garbage
+ ac_cv_lib_crypt_crypt=no
+ ac_cv_func_fdatasync=no # Mac OS X wrongly reports it has fdatasync()
+ ac_cv_func_vfork=no
+ if test $gcc_major -lt 4 -o \( $gcc_major -eq 4 -a $gcc_minor -lt 3 \); then
+ ac_cv_func___builtin_setjmp=no
+ fi
+ AC_CACHE_CHECK(for broken crypt with 8bit chars, rb_cv_broken_crypt,
+ [AC_TRY_RUN([
+#include <stdio.h>
+#include <unistd.h>
+#include <string.h>
+
+int
+main()
+{
+ int i;
+ for (i = 0; i < 128*128; i++) {
+ char salt[2], buf[256], *s;
+ salt[0] = 0x80 | (i & 0x7f);
+ salt[1] = 0x80 | (i >> 7);
+ strcpy(buf, crypt("", salt));
+ if (strcmp(buf, s = crypt("", salt))) {
+#if 0
+ printf("%.2x%.2x: %s -> %s\n", (unsigned char)salt[0], (unsigned char)salt[1],
+ buf+2, s+2);
+#endif
+ return 1;
+ }
+ }
+ return 0;
+}
+],
+ rb_cv_broken_crypt=no,
+ rb_cv_broken_crypt=yes,
+ rb_cv_broken_crypt=yes)])
+ if test "$rb_cv_broken_crypt" = yes; then
+ AC_DEFINE(BROKEN_CRYPT, 1)
+ fi
+ AC_CHECK_PROGS(codesign, codesign)
+ if test -n "$codesign"; then
+ POSTLINK="test -z '\$(RUBY_CODESIGN)' || $codesign -s '\$(RUBY_CODESIGN)' -f \$@"
+ LINK_SO="$LINK_SO
+\$(POSTLINK)"
+ fi
+ AC_CHECK_HEADERS(crt_externs.h, [], [], [
+ #include <crt_externs.h>
+ ])
+ ],
+[hpux*], [ LIBS="-lm $LIBS"
+ ac_cv_c_inline=no],
+[beos*|haiku*], [
+ ac_cv_func_link=no
+ ac_cv_func_sched_yield=no
+ ac_cv_func_pthread_attr_setinheritsched=no
+ AS_CASE(["$target_os"],
+ [beos*], [ ac_cv_header_net_socket_h=yes],
+ [haiku*], [ ac_cv_func_shutdown=no])
+ LIBS="$LIBS" # m lib is include in root under BeOS/Haiku
+ ],
+[cygwin*], [ ac_cv_header_langinfo_h=yes
+ AC_CHECK_FUNCS(cygwin_conv_path)
+ AC_LIBOBJ([langinfo])
+ ],
+[mingw*], [ LIBS="-lshell32 -lws2_32 -liphlpapi -limagehlp -lshlwapi $LIBS"
+ ac_cv_header_a_out_h=no
+ ac_cv_header_pwd_h=no
+ ac_cv_header_utime_h=no
+ ac_cv_header_sys_ioctl_h=no
+ ac_cv_header_sys_param_h=no
+ ac_cv_header_sys_resource_h=no
+ ac_cv_header_sys_select_h=no
+ ac_cv_header_sys_time_h=no
+ ac_cv_header_sys_times_h=no
+ ac_cv_header_sys_socket_h=no
+ ac_cv_func_times=yes
+ ac_cv_func_waitpid=yes
+ ac_cv_func_fsync=yes
+ ac_cv_func_seekdir=yes
+ ac_cv_func_telldir=yes
+ ac_cv_func_isinf=yes
+ ac_cv_func_isnan=yes
+ ac_cv_func_finite=yes
+ ac_cv_func_link=yes
+ ac_cv_lib_crypt_crypt=no
+ ac_cv_func_getpgrp_void=no
+ ac_cv_func_memcmp_working=yes
+ ac_cv_lib_dl_dlopen=no
+ rb_cv_binary_elf=no
+ rb_cv_negative_time_t=no
+ ac_cv_func_fcntl=yes
+ ac_cv_func_flock=yes
+ ac_cv_func_gmtime_r=yes
+ rb_cv_large_fd_select=yes
+ ac_cv_type_struct_timeval=yes
+ ac_cv_func_clock_gettime=yes
+ ac_cv_func_clock_getres=yes
+ ac_cv_func_malloc_usable_size=no
+ { test "$target_cpu" = x64 && ac_cv_func___builtin_setjmp=no; }
+ AC_CHECK_TYPE([NET_LUID], [], [],
+ [@%:@include <winsock2.h>
+ @%:@include <iphlpapi.h>])
+ if test x"$ac_cv_type_NET_LUID" = xyes; then
+ AC_DEFINE(HAVE_TYPE_NET_LUID, 1)
+ fi
+ AC_CHECK_FUNCS(_gmtime64_s)
+ AC_LIBOBJ([langinfo])
+ ],
+[os2-emx*], [ LIBS="-lm $LIBS"
+ ac_cv_lib_dir_opendir=no],
+[bsdi*], [ LIBS="-lm $LIBS"
+ AC_DEFINE(BROKEN_SETREUID, 1)
+ AC_DEFINE(BROKEN_SETREGID, 1)
+ ac_cv_sizeof_rlim_t=8],
+[freebsd*], [ LIBS="-lm $LIBS"
+ ac_cv_func_getpeername=no
+ ac_cv_func_getsockname=no
+ ac_cv_func_shutdown=no
+ ac_cv_func_close=no
+ ],
+[netbsd*], [ LIBS="-lm $LIBS"
+ ],
+[dragonfly*], [ LIBS="-lm $LIBS"
+ # isinf() and isnan() are macros on DragonFly.
+ ac_cv_func_isinf=yes
+ ac_cv_func_isnan=yes
+ ],
+[nacl], [
+ LIBS="-lm $LIBS"
+ if test "${nacl_cv_build_variant}" = "newlib"; then
+ RUBY_APPEND_OPTION(CPPFLAGS, -DNACL_NEWLIB)
+ else
+ RUBY_APPEND_OPTION(XCFLAGS, -fPIC)
+ fi
+ ],
+[ LIBS="-lm $LIBS"])
+
+AC_CHECK_LIB(crypt, crypt) # glibc (GNU/Linux, GNU/Hurd, GNU/kFreeBSD)
+AC_CHECK_LIB(dl, dlopen) # Dynamic linking for SunOS/Solaris and SYSV
+AC_CHECK_LIB(dld, shl_load) # Dynamic linking for HP-UX
+AC_CHECK_LIB(socket, shutdown) # SunOS/Solaris
+
+dnl Checks for header files.
+AC_HEADER_DIRENT
+dnl AC_HEADER_STDC has been checked in AC_USE_SYSTEM_EXTENSIONS
+AC_HEADER_STDBOOL
+AC_HEADER_SYS_WAIT
+AC_CHECK_HEADERS( \
+ limits.h \
+ sys/file.h \
+ sys/ioctl.h \
+ sys/syscall.h \
+ fcntl.h \
+ sys/fcntl.h \
+ sys/param.h \
+ sys/select.h \
+ sys/time.h \
+ sys/times.h \
+ syscall.h \
+ pwd.h \
+ grp.h \
+ a.out.h \
+ utime.h \
+ direct.h \
+ sys/resource.h \
+ sys/mkdev.h \
+ sys/utime.h \
+ float.h \
+ ieeefp.h \
+ ucontext.h \
+ intrinsics.h \
+ langinfo.h \
+ locale.h \
+ sys/sendfile.h \
+ time.h \
+ net/socket.h \
+ sys/socket.h \
+ process.h \
+ sys/prctl.h \
+ sys/uio.h \
+ atomic.h \
+ malloc.h \
+ malloc_np.h \
+ malloc/malloc.h \
+ setjmpex.h \
+ sys/attr.h \
+ sys/id.h
+)
+
+AC_ARG_WITH([gmp],
+ [AS_HELP_STRING([--without-gmp],
+ [disable GNU GMP to accelerate Bignum operations])],
+ [],
+ [with_gmp=yes])
+AS_IF([test "x$with_gmp" != xno],
+ [AC_CHECK_HEADERS(gmp.h)
+ AS_IF([test "x$ac_cv_header_gmp_h" != xno],
+ AC_CHECK_LIB([gmp], [__gmpz_init]))
+ with_gmp="$ac_cv_lib_gmp___gmpz_init"
+ AS_IF([test -z "$with_gmp"], [with_gmp=no])])
+
+AC_ARG_WITH([jemalloc],
+ [AS_HELP_STRING([--with-jemalloc],[use jemalloc allocator])],
+ [with_jemalloc=$withval], [with_jemalloc=no])
+AS_IF([test "x$with_jemalloc" = xyes],[
+ AC_CHECK_LIB([jemalloc], [malloc_conf], [], [with_jemalloc=no])
+ AC_CHECK_HEADER(jemalloc/jemalloc.h, [
+ AC_DEFINE(RUBY_ALTERNATIVE_MALLOC_HEADER, [<jemalloc/jemalloc.h>])
+ ])
+ AS_IF([test "x$with_jemalloc" = xno], [
+ AC_CACHE_CHECK([for jemalloc with JEMALLOC_MANGLE], rb_cv_jemalloc_demangle,
+ [AC_LINK_IFELSE([AC_LANG_PROGRAM([@%:@define JEMALLOC_MANGLE 1
+ @%:@ifdef RUBY_ALTERNATIVE_MALLOC_HEADER
+ @%:@include RUBY_ALTERNATIVE_MALLOC_HEADER
+ @%:@else
+ @%:@include <jemalloc.h>
+ @%:@endif], [return !&malloc_conf])],
+ [rb_cv_jemalloc_demangle=yes],
+ [rb_cv_jemalloc_demangle=no])
+ ])
+ ])
+ AS_IF([test "x$rb_cv_jemalloc_demangle" = xyes], [
+ AC_DEFINE(JEMALLOC_MANGLE)
+ with_jemalloc=yes
+ ])
+ AS_IF([test "x$with_jemalloc" = xyes],
+ [
+ ac_cv_func_malloc_usable_size=yes
+ ],
+ [AC_MSG_ERROR([jemalloc requested but not found])
+ ])
+])
+
+dnl check for large file stuff
+mv confdefs.h confdefs1.h
+: > confdefs.h
+AC_SYS_LARGEFILE
+mv confdefs.h largefile.h
+mv confdefs1.h confdefs.h
+cat largefile.h >> confdefs.h
+
+AS_CASE(["$target_os"],
+ [mingw*], [ac_cv_type_off_t=yes;ac_cv_sizeof_off_t=8],
+ [aix*], [
+ AS_CASE(["$target_cpu:$ac_cv_sys_large_files"],
+ [ppc64:*|powerpc64:*], [],
+ [*:no|*:unknown], [],
+ [
+ # AIX currently does not support a 32-bit call to posix_fadvise()
+ # if _LARGE_FILES is defined.
+ ac_cv_func_posix_fadvise=no
+ ])
+ ])
+
+AC_C_BIGENDIAN
+AC_C_CONST
+AC_C_CHAR_UNSIGNED
+AC_C_INLINE
+AC_C_VOLATILE
+AC_C_TYPEOF
+
+AS_CASE(":$ac_cv_c_const:$ac_cv_c_volatile:",
+ [*:no:*], [AC_MSG_ERROR(ANSI C-conforming const and volatile are mandatory)])
+
+AC_CHECK_TYPES([long long, off_t])
+
+AC_CACHE_CHECK([char bit], [rb_cv_char_bit],
+ [test "$universal_binary" = yes && cross_compiling=yes
+ AC_COMPUTE_INT([rb_cv_char_bit], [CHAR_BIT],
+ [AC_INCLUDES_DEFAULT([@%:@include <limits.h>])], [rb_cv_char_bit=8])
+ test "$universal_binary" = yes && cross_compiling=$real_cross_compiling])
+
+dnl RUBY_CHECK_SIZEOF [typename], [maybe same size types], [macros], [include]
+AC_DEFUN([RUBY_CHECK_SIZEOF],
+[m4_bmatch([$1], [\.], [], [if test "$universal_binary" = yes; then])
+AC_CACHE_CHECK([size of $1], [AS_TR_SH([ac_cv_sizeof_$1])], [
+ unset AS_TR_SH(ac_cv_sizeof_$1)
+ rbcv_var="
+typedef m4_bpatsubst([$1], [\..*]) ac__type_sizeof_;
+static ac__type_sizeof_ *rbcv_ptr;
+@%:@define AS_TR_CPP(SIZEOF_$1) sizeof((*rbcv_ptr)[]m4_bmatch([$1], [\.], .m4_bpatsubst([$1], [^[^.]*\.])))
+"
+ m4_ifval([$2], [test -z "${AS_TR_SH(ac_cv_sizeof_$1)+set}" && {
+ for t in $2; do
+ AC_COMPILE_IFELSE(
+ [AC_LANG_BOOL_COMPILE_TRY(AC_INCLUDES_DEFAULT([$4]
+ [$rbcv_var]),
+ [AS_TR_CPP(SIZEOF_$1) == sizeof($t)])], [
+ AS_TR_SH(ac_cv_sizeof_$1)=AS_TR_CPP([SIZEOF_]$t)
+ break])
+ done
+ }])
+ unset cond
+ m4_ifval([$3], [test -z "${AS_TR_SH(ac_cv_sizeof_$1)+set}" && {
+ for s in 32 64 128; do
+ for t in $3; do
+ cond="${cond}
+@%:@${cond+el}if defined(__${t}${s}__) || defined(__${t}${s}) || defined(_${t}${s}) || defined(${t}${s})"
+ hdr="AC_INCLUDES_DEFAULT([$4
+@%:@if defined(__${t}${s}__) || defined(__${t}${s}) || defined(_${t}${s}) || defined(${t}${s})
+@%:@ define AS_TR_CPP(HAVE_$1) 1
+@%:@else
+@%:@ define AS_TR_CPP(HAVE_$1) 0
+@%:@endif])"
+ AC_COMPILE_IFELSE([AC_LANG_BOOL_COMPILE_TRY([$hdr], [!AS_TR_CPP(HAVE_$1)])], [continue])
+ AC_COMPILE_IFELSE([AC_LANG_BOOL_COMPILE_TRY([$hdr]
+ [$rbcv_var],
+ [AS_TR_CPP(HAVE_$1) == (AS_TR_CPP(SIZEOF_$1) == ([$[s / rb_cv_char_bit]]))])],
+ [AS_TR_SH(ac_cv_sizeof_$1)="${AS_TR_SH(ac_cv_sizeof_$1)+${AS_TR_SH(ac_cv_sizeof_$1)-} }${t}${s}"])
+ done
+ done
+ }])
+ m4_ifval([$2][$3],
+ [test "${AS_TR_SH(ac_cv_sizeof_$1)@%:@SIZEOF_}" = "${AS_TR_SH(ac_cv_sizeof_$1)}" && ]){
+ test "$universal_binary" = yes && cross_compiling=yes
+ AC_COMPUTE_INT([t], AS_TR_CPP(SIZEOF_$1), [AC_INCLUDES_DEFAULT([$4])]
+[${cond+$cond
+@%:@else}
+$rbcv_var
+${cond+@%:@endif}
+@%:@ifndef AS_TR_CPP(SIZEOF_$1)
+@%:@define AS_TR_CPP(SIZEOF_$1) 0
+@%:@endif], [t=0])
+ test "$universal_binary" = yes && cross_compiling=$real_cross_compiling
+ if test ${t-0} != 0; then
+ AS_TR_SH(ac_cv_sizeof_$1)="${AS_TR_SH(ac_cv_sizeof_$1)+${AS_TR_SH(ac_cv_sizeof_$1)-} }${t}"
+ fi
+ }
+ : ${AS_TR_SH(ac_cv_sizeof_$1)=0}
+])
+{
+ unset cond
+ for t in ${AS_TR_SH(ac_cv_sizeof_$1)-}; do
+ AS_CASE(["$t"],
+ [[[0-9]*|SIZEOF_*]], [
+ ${cond+echo "@%:@else"}
+ echo "[@%:@define ]AS_TR_CPP(SIZEOF_$1) [$t]"
+ break
+ ],
+ [
+ s=`expr $t : ['.*[^0-9]\([0-9][0-9]*\)$']`
+ echo "@%:@${cond+el}if defined(__${t}__) || defined(__${t}) || defined(_${t}) || defined($t)"
+ echo "@%:@define AS_TR_CPP(SIZEOF_$1) [$[s / rb_cv_char_bit]]"
+ cond=1
+ ])
+ done
+ ${cond+echo "@%:@endif"}
+} >> confdefs.h
+m4_bmatch([$1], [\.], [], [else
+AC_CHECK_SIZEOF([$1], 0, [$4])
+fi])
+])
+
+RUBY_CHECK_SIZEOF(int, [], [ILP])
+RUBY_CHECK_SIZEOF(short)
+RUBY_CHECK_SIZEOF(long, [int], [ILP LP])
+RUBY_CHECK_SIZEOF(long long)
+RUBY_CHECK_SIZEOF(__int64)
+RUBY_CHECK_SIZEOF(__int128)
+RUBY_CHECK_SIZEOF(off_t)
+RUBY_CHECK_SIZEOF(void*, [int long "long long"], [ILP LP LLP])
+RUBY_CHECK_SIZEOF(float)
+RUBY_CHECK_SIZEOF(double)
+RUBY_CHECK_SIZEOF(time_t, [long "long long"], [], [@%:@include <time.h>])
+RUBY_CHECK_SIZEOF(clock_t, [], [], [@%:@include <time.h>])
+
+AC_CACHE_CHECK(packed struct attribute, rb_cv_packed_struct,
+ [rb_cv_packed_struct=no
+ for mac in \
+ "__pragma(pack(push, 1)) x __pragma(pack(pop))" \
+ "x __attribute__((packed))" \
+ ; do
+ AC_TRY_COMPILE([@%:@define PACKED_STRUCT(x) $mac
+ PACKED_STRUCT(struct { int a; });], [],
+ [rb_cv_packed_struct=$mac; break])
+ done])
+packed_struct_unaligned=x
+if test "$rb_cv_packed_struct" != no; then
+ AC_DEFINE_UNQUOTED([PACKED_STRUCT(x)], [$rb_cv_packed_struct])
+else
+ AC_DEFINE_UNQUOTED([PACKED_STRUCT(x)], x)
+fi
+AC_DEFINE_UNQUOTED(PACKED_STRUCT_UNALIGNED(x), $packed_struct_unaligned)
+
+AC_DEFUN([RUBY_CHECK_PRINTF_PREFIX], [
+AC_CACHE_CHECK([for printf prefix for $1], [rb_cv_pri_prefix_]AS_TR_SH($1),[
+ [rb_cv_pri_prefix_]AS_TR_SH($1)=[NONE]
+ RUBY_WERROR_FLAG(RUBY_APPEND_OPTIONS(CFLAGS, $rb_cv_wsuppress_flags)
+ for pri in $2; do
+ AC_TRY_COMPILE(
+ [@%:@include <stdio.h>
+ @%:@include <stddef.h>
+ @%:@ifdef __GNUC__
+ @%:@define PRINTF_ARGS(decl, string_index, first_to_check) \
+ decl __attribute__((format(printf, string_index, first_to_check)))
+ @%:@else
+ @%:@define PRINTF_ARGS(decl, string_index, first_to_check) decl
+ @%:@endif
+ PRINTF_ARGS(void test_sprintf(const char*, ...), 1, 2);],
+ [printf("%]${pri}[d", (]$1[)42);
+ test_sprintf("%]${pri}[d", (]$1[)42);],
+ [rb_cv_pri_prefix_]AS_TR_SH($1)[=[$pri]; break])
+ done)])
+if test "[$rb_cv_pri_prefix_]AS_TR_SH($1)" != NONE; then
+ AC_DEFINE_UNQUOTED([PRI_]m4_ifval($3,$3,AS_TR_CPP(m4_bpatsubst([$1],[_t$])))[_PREFIX],
+ "[$rb_cv_pri_prefix_]AS_TR_SH($1)")
+fi
+])
+
+if test "x$ac_cv_type_long_long" = xyes; then
+ RUBY_CHECK_PRINTF_PREFIX(long long, ll I64, LL)
+elif test "x$ac_cv_type___int64" = xyes; then
+ RUBY_CHECK_PRINTF_PREFIX(__int64, ll I64, LL)
+fi
+
+dnl RUBY_CHECK_SIZEOF [typename] [if-signed] [if-unsigned] [included]
+AC_DEFUN([RUBY_CHECK_SIGNEDNESS], [dnl
+ AC_COMPILE_IFELSE([AC_LANG_BOOL_COMPILE_TRY([AC_INCLUDES_DEFAULT([$4])], [($1)-1 > 0])],
+ [$3], [$2])])
+
+dnl RUBY_REPLACE_TYPE [typename] [default type] [macro type] [included]
+AC_DEFUN([RUBY_REPLACE_TYPE], [dnl
+ AC_CHECK_TYPE([$1],
+ [n="patsubst([$1],["],[\\"])"],
+ [n="patsubst([$2],["],[\\"])"],
+ [$4])
+ AC_CACHE_CHECK([for convertible type of [$1]], rb_cv_[$1]_convertible, [
+ u= t=
+ AS_CASE(["$n "],
+ [*" signed "*], [ ],
+ [*" unsigned "*], [
+ u=U],
+ [RUBY_CHECK_SIGNEDNESS($n, [], [u=U], [$4])])
+ if test x"$t" = x; then
+ for t in "long long" long int short; do
+ test -n "$u" && t="unsigned $t"
+ AC_COMPILE_IFELSE(
+ [AC_LANG_BOOL_COMPILE_TRY([AC_INCLUDES_DEFAULT([$4])]
+ [typedef $n rbcv_conftest_target_type;
+ typedef $t rbcv_conftest_replace_type;
+ extern rbcv_conftest_target_type rbcv_conftest_var;
+ extern rbcv_conftest_replace_type rbcv_conftest_var;
+ extern rbcv_conftest_target_type rbcv_conftest_func(void);
+ extern rbcv_conftest_replace_type rbcv_conftest_func(void);
+ ], [sizeof(rbcv_conftest_target_type) == sizeof(rbcv_conftest_replace_type)])],
+ [n="$t"; break])
+ done
+ fi
+ AS_CASE([" $n "],
+ [*" long long "*], [
+ t=LL],
+ [*" long "*], [
+ t=LONG],
+ [
+ t=INT])
+ rb_cv_[$1]_convertible=${u}${t}])
+ test "${AS_TR_SH(ac_cv_type_[$1])}" = "yes" && n="$1"
+ AS_CASE("${rb_cv_[$1]_convertible}", [U*], [u=+1], [u=-1])
+ AC_DEFINE_UNQUOTED(rb_[$1], $n)
+ AC_DEFINE_UNQUOTED([SIGNEDNESS_OF_]AS_TR_CPP($1), $u)
+ AC_DEFINE_UNQUOTED([$3]2NUM[(v)], [${rb_cv_[$1]_convertible}2NUM(v)])
+ AC_DEFINE_UNQUOTED(NUM2[$3][(v)], [NUM2${rb_cv_[$1]_convertible}(v)])
+ AC_DEFINE_UNQUOTED(PRI_[$3]_PREFIX,
+ [PRI_`echo ${rb_cv_[$1]_convertible} | sed ['s/^U//']`_PREFIX])
+])
+RUBY_REPLACE_TYPE(pid_t, int, PIDT)
+RUBY_REPLACE_TYPE(uid_t, int, UIDT)
+RUBY_REPLACE_TYPE(gid_t, int, GIDT)
+RUBY_REPLACE_TYPE(time_t, [], TIMET, [@%:@include <time.h>])
+RUBY_REPLACE_TYPE(dev_t, [int long "long long"], DEVT)
+RUBY_REPLACE_TYPE(mode_t, ["unsigned int" long], MODET, [@%:@include <sys/stat.h>])
+RUBY_REPLACE_TYPE(rlim_t, [int long "long long"], RLIM, [
+@%:@ifdef HAVE_SYS_TYPES_H
+@%:@include <sys/types.h>
+@%:@endif
+@%:@ifdef HAVE_SYS_TYPES_H
+@%:@include <sys/time.h>
+@%:@endif
+@%:@include <sys/resource.h>
+])
+RUBY_REPLACE_TYPE(off_t, [], OFFT)
+RUBY_REPLACE_TYPE(clockid_t, [], CLOCKID)
+
+AC_CACHE_CHECK(for prototypes, rb_cv_have_prototypes,
+ [AC_TRY_COMPILE([int foo(int x) { return 0; }], [return foo(10);],
+ rb_cv_have_prototypes=yes,
+ rb_cv_have_prototypes=no)])
+if test "$rb_cv_have_prototypes" = yes; then
+ AC_DEFINE(HAVE_PROTOTYPES)
+fi
+
+AC_CACHE_CHECK(token paste string, rb_cv_tokenpaste,
+ [AC_TRY_COMPILE([@%:@define paste(a,b) a@%:@@%:@b],
+ [int xy = 1; return paste(x,y);],
+ rb_cv_tokenpaste=ansi,
+ rb_cv_tokenpaste=knr)])
+if test "$rb_cv_tokenpaste" = ansi; then
+ AC_DEFINE(TOKEN_PASTE(x,y),[x@%:@@%:@y])
+else
+ AC_DEFINE(TOKEN_PASTE(x,y),[x/**/y])
+fi
+
+AC_CACHE_CHECK(stringization, rb_cv_stringization, [
+ rb_cv_stringization=no
+ for string in "#expr" '"expr"'; do
+ AC_COMPILE_IFELSE([
+ AC_LANG_BOOL_COMPILE_TRY([
+#define STRINGIZE0(expr) $string
+#define STRINGIZE(expr) STRINGIZE0(expr)
+#undef real_test_for_stringization
+#define test_for_stringization -.real_test_for_stringization.-
+const char stringized[[]] = STRINGIZE(test_for_stringization);
+], [sizeof(stringized) == 32])],
+ [rb_cv_stringization="$string"; break],
+ [rb_cv_stringization=no])
+ done]
+)
+AC_DEFINE(STRINGIZE(expr),STRINGIZE0(expr))
+if test x"$rb_cv_stringization" != xno -a "$rb_cv_stringization" != "#expr"; then
+ AC_DEFINE_UNQUOTED(STRINGIZE0(expr),$rb_cv_stringization)
+ AC_DEFINE(OLD_FASHIONED_STRINGIZATION,1)
+fi
+
+AC_CACHE_CHECK([string literal concatenation],
+ rb_cv_string_literal_concatenation, [
+ AC_COMPILE_IFELSE([
+ AC_LANG_BOOL_COMPILE_TRY([
+const char concatenated_literal[[]] = "literals" "to"
+ "be" "concatenated.";
+], [sizeof(concatenated_literal) == 26])],
+ [rb_cv_string_literal_concatenation=yes],
+ [rb_cv_string_literal_concatenation=no])]
+)
+if test "$rb_cv_string_literal_concatenation" = no; then
+ AC_DEFINE(NO_STRING_LITERAL_CONCATENATION,1)
+fi
+
+AC_CACHE_CHECK(for variable length prototypes and stdarg.h, rb_cv_stdarg,
+ [AC_TRY_COMPILE([
+#include <stdarg.h>
+int foo(int x, ...) {
+ va_list va;
+ va_start(va, x);
+ va_arg(va, int);
+ va_arg(va, char *);
+ va_arg(va, double);
+ return 0;
+}
+], [return foo(10, "", 3.14);],
+ rb_cv_stdarg=yes,
+ rb_cv_stdarg=no)])
+if test "$rb_cv_stdarg" = yes; then
+ AC_DEFINE(HAVE_STDARG_PROTOTYPES)
+fi
+
+AC_CACHE_CHECK(for variable length macro, rb_cv_va_args_macro,
+ [AC_TRY_COMPILE([
+int foo(int x, ...);
+@%:@define FOO(a, ...) foo(a, @%:@@%:@__VA_ARGS__)
+], [FOO(1);FOO(1,2);FOO(1,2,3);],
+ rb_cv_va_args_macro=yes,
+ rb_cv_va_args_macro=no)])
+if test "$rb_cv_va_args_macro" = yes; then
+ AC_DEFINE(HAVE_VA_ARGS_MACRO)
+fi
+
+AC_DEFUN([RUBY_DEFINE_IF], [dnl
+ m4_ifval([$1], [AS_LITERAL_IF([$1], [], [test "X$1" = X || ])cat <<EOH >> confdefs.h
+@%:@if $1
+EOH
+])dnl
+AC_DEFINE_UNQUOTED($2, $3)dnl
+ m4_ifval([$1], [AS_LITERAL_IF([$1], [], [test "X$1" = X || ])cat <<EOH >> confdefs.h
+@%:@endif /* $1 */
+EOH
+])dnl
+])dnl
+
+dnl RUBY_FUNC_ATTRIBUTE(attrib, macroname, cachevar, condition)
+AC_DEFUN([RUBY_FUNC_ATTRIBUTE], [dnl
+m4_ifval([$2], dnl
+ [AS_VAR_PUSHDEF([attrib],[$2])], dnl
+ [AS_VAR_PUSHDEF([attrib],[FUNC_]AS_TR_CPP($1))] dnl
+)dnl
+m4_ifval([$3], dnl
+ [AS_VAR_PUSHDEF([rbcv],[$3])], dnl
+ [AS_VAR_PUSHDEF([rbcv],[rb_cv_func_][$1])]dnl
+)dnl
+m4_pushdef([attrib_code],[m4_bpatsubst([$1],["],[\\"])])
+m4_ifval([$4], [rbcv_cond=["$4"]; test "$rbcv_cond" || unset rbcv_cond])
+AC_CACHE_CHECK(for m4_ifval([$2],[$2],[$1]) function attribute, rbcv,
+[rbcv=x
+RUBY_WERROR_FLAG([
+for mac in \
+ "__attribute__ ((attrib_code)) x" \
+ "x __attribute__ ((attrib_code))" \
+ "__declspec(attrib_code) x" \
+ x; do
+ m4_ifval([$4],mac="$mac"${rbcv_cond+" /* only if $rbcv_cond */"})
+ AC_TRY_COMPILE(
+ m4_ifval([$4],${rbcv_cond+[@%:@if ]$rbcv_cond})
+[@%:@define ]attrib[(x) $mac]
+m4_ifval([$4],${rbcv_cond+[@%:@else]}
+${rbcv_cond+[@%:@define ]attrib[(x) x]}
+${rbcv_cond+[@%:@endif]})
+ attrib[(void conftest_attribute_check(void));], [],
+ [rbcv="$mac"; break])
+done
+])])
+if test "$rbcv" != x; then
+ RUBY_DEFINE_IF(m4_ifval([$4],[${rbcv_cond}]), attrib[(x)], $rbcv)
+fi
+m4_ifval([$4], [unset rbcv_cond]) dnl
+AS_VAR_POPDEF([attrib])dnl
+AS_VAR_POPDEF([rbcv])dnl
+])
+
+RUBY_FUNC_ATTRIBUTE(noreturn, NORETURN)
+RUBY_FUNC_ATTRIBUTE(deprecated, DEPRECATED)
+RUBY_FUNC_ATTRIBUTE(noinline, NOINLINE)
+
+if_i386=${universal_binary+[defined __i386__]}
+RUBY_FUNC_ATTRIBUTE(stdcall, [], [], ${if_i386})
+RUBY_FUNC_ATTRIBUTE(cdecl, [], [], ${if_i386})
+RUBY_FUNC_ATTRIBUTE(fastcall, [], [], ${if_i386})
+RUBY_FUNC_ATTRIBUTE(optimize("-Os","-fomit-frame-pointer"), FUNC_MINIMIZED, rb_cv_func_minimized)
+
+if test "$GCC" = yes; then
+ AC_CACHE_CHECK([for function alias], [rb_cv_gcc_function_alias],
+ [rb_cv_gcc_function_alias=no
+ for a in alias weak,alias; do
+ AC_TRY_LINK([void foo(void) {}
+ void bar(void) __attribute__(($a("foo")));], [bar()],
+ [rb_cv_gcc_function_alias=$a; break])
+ done])
+ if test "$rb_cv_gcc_function_alias" != no; then
+ AC_DEFINE(HAVE_ATTRIBUTE_FUNCTION_ALIAS)
+ AC_DEFINE_UNQUOTED([RUBY_ALIAS_FUNCTION_TYPE(type, prot, name, args)],
+ [type prot __attribute__(($rb_cv_gcc_function_alias(@%:@name)));])
+ AC_DEFINE_UNQUOTED([RUBY_ALIAS_FUNCTION_VOID(prot, name, args)],
+ [RUBY_ALIAS_FUNCTION_TYPE(void, prot, name, args)])
+ fi
+
+ AC_CACHE_CHECK([for __atomic builtins], [rb_cv_gcc_atomic_builtins], [
+ AC_TRY_LINK([unsigned char atomic_var;],
+ [
+ __atomic_exchange_n(&atomic_var, 0, __ATOMIC_SEQ_CST);
+ __atomic_exchange_n(&atomic_var, 1, __ATOMIC_SEQ_CST);
+ __atomic_fetch_add(&atomic_var, 1, __ATOMIC_SEQ_CST);
+ __atomic_fetch_sub(&atomic_var, 1, __ATOMIC_SEQ_CST);
+ __atomic_or_fetch(&atomic_var, 1, __ATOMIC_SEQ_CST);
+ ],
+ [rb_cv_gcc_atomic_builtins=yes],
+ [rb_cv_gcc_atomic_builtins=no])])
+ if test "$rb_cv_gcc_atomic_builtins" = yes; then
+ AC_DEFINE(HAVE_GCC_ATOMIC_BUILTINS)
+ fi
+
+ AC_CACHE_CHECK([for __sync builtins], [rb_cv_gcc_sync_builtins], [
+ AC_TRY_LINK([unsigned char atomic_var;],
+ [
+ __sync_lock_test_and_set(&atomic_var, 0);
+ __sync_lock_test_and_set(&atomic_var, 1);
+ __sync_fetch_and_add(&atomic_var, 1);
+ __sync_fetch_and_sub(&atomic_var, 1);
+ __sync_or_and_fetch(&atomic_var, 1);
+ __sync_val_compare_and_swap(&atomic_var, 0, 1);
+ ],
+ [rb_cv_gcc_sync_builtins=yes],
+ [rb_cv_gcc_sync_builtins=no])])
+ if test "$rb_cv_gcc_sync_builtins" = yes; then
+ AC_DEFINE(HAVE_GCC_SYNC_BUILTINS)
+ fi
+
+ AC_CACHE_CHECK(for __builtin_unreachable, rb_cv_func___builtin_unreachable,
+ [RUBY_WERROR_FLAG(
+ [AC_TRY_LINK([volatile int zero;],
+ [if (zero) __builtin_unreachable();],
+ [rb_cv_func___builtin_unreachable=yes],
+ [rb_cv_func___builtin_unreachable=no])
+ ])
+ ])
+ if test "$rb_cv_func___builtin_unreachable" = yes; then
+ AC_DEFINE_UNQUOTED(UNREACHABLE, [__builtin_unreachable()])
+ fi
+fi
+
+AC_CACHE_CHECK(for exported function attribute, rb_cv_func_exported, [
+rb_cv_func_exported=no
+RUBY_WERROR_FLAG([
+for mac in '__attribute__ ((visibility("default")))' '__declspec(dllexport)'; do
+ AC_TRY_COMPILE([@%:@define RUBY_FUNC_EXPORTED $mac extern
+ RUBY_FUNC_EXPORTED void conftest_attribute_check(void);], [],
+ [rb_cv_func_exported="$mac"; break])
+done
+])])
+if test "$rb_cv_func_exported" != no; then
+ AC_DEFINE_UNQUOTED(RUBY_FUNC_EXPORTED, [$rb_cv_func_exported extern])
+fi
+
+RUBY_APPEND_OPTION(XCFLAGS, -DRUBY_EXPORT)
+
+AC_CACHE_CHECK(for function name string predefined identifier,
+ rb_cv_function_name_string,
+ [rb_cv_function_name_string=no
+ RUBY_WERROR_FLAG([
+ for func in __func__ __FUNCTION__; do
+ AC_TRY_LINK([@%:@include <stdio.h>],
+ [puts($func);],
+ [rb_cv_function_name_string=$func
+ break])
+ done
+ ])]
+)
+if test "$rb_cv_function_name_string" != no; then
+ AC_DEFINE_UNQUOTED(RUBY_FUNCTION_NAME_STRING, [$rb_cv_function_name_string])
+fi
+
+dnl Check whether we need to define sys_nerr locally
+AC_CHECK_DECLS([sys_nerr], [], [], [$ac_includes_default
+@%:@include <errno.h>])
+
+AC_CHECK_DECLS([getenv])
+
+AS_CASE(["$target_cpu"],
+[alpha*|sh4|sh4el|sh4eb], [AS_CASE(["$target_os"::"$GCC"],
+ [*::yes], # gcc
+ [CFLAGS="-mieee $CFLAGS"],
+ [osf*], # ccc
+ [CFLAGS="-ieee $CFLAGS"],
+ )],
+[sparc*], [AC_LIBOBJ([sparc])])
+
+ac_cv_header_net_socket_h=${ac_cv_header_net_socket_h=no}
+if test "$ac_cv_header_net_socket_h" = yes; then
+ ac_cv_header_sys_socket_h=${ac_cv_header_sys_socket_h=no}
+else
+ ac_cv_header_sys_socket_h=${ac_cv_header_sys_socket_h=yes}
+fi
+
+
+AC_TYPE_SIZE_T
+RUBY_CHECK_SIGNEDNESS(size_t, [AC_MSG_ERROR(size_t is signed)], [],
+ [@%:@include <sys/types.h>])
+RUBY_CHECK_SIZEOF(size_t, [int long void*], [], [@%:@include <sys/types.h>])
+RUBY_CHECK_SIZEOF(ptrdiff_t, size_t, [], [@%:@include <stddef.h>])
+RUBY_CHECK_PRINTF_PREFIX(size_t, z)
+RUBY_CHECK_PRINTF_PREFIX(ptrdiff_t, t)
+AC_STRUCT_ST_BLKSIZE
+AC_STRUCT_ST_BLOCKS
+AC_STRUCT_ST_RDEV
+RUBY_CHECK_SIZEOF([struct stat.st_size], [off_t int long "long long"], [], [@%:@include <sys/stat.h>])
+if test "$ac_cv_member_struct_stat_st_blocks" = yes; then
+ RUBY_CHECK_SIZEOF([struct stat.st_blocks], [off_t int long "long long"], [], [@%:@include <sys/stat.h>])
+fi
+RUBY_CHECK_SIZEOF([struct stat.st_ino], [long "long long"], [], [@%:@include <sys/stat.h>])
+AC_CHECK_MEMBERS([struct stat.st_atim])
+AC_CHECK_MEMBERS([struct stat.st_atimespec])
+AC_CHECK_MEMBERS([struct stat.st_atimensec])
+AC_CHECK_MEMBERS([struct stat.st_mtim])
+AC_CHECK_MEMBERS([struct stat.st_mtimespec])
+AC_CHECK_MEMBERS([struct stat.st_mtimensec])
+AC_CHECK_MEMBERS([struct stat.st_ctim])
+AC_CHECK_MEMBERS([struct stat.st_ctimespec])
+AC_CHECK_MEMBERS([struct stat.st_ctimensec])
+AC_CHECK_MEMBERS([struct stat.st_birthtimespec])
+
+AC_CHECK_TYPES([struct timeval], [], [], [@%:@ifdef HAVE_TIME_H
+@%:@include <time.h>
+@%:@endif
+@%:@ifdef HAVE_SYS_TIME_H
+@%:@include <sys/time.h>
+@%:@endif])
+
+if test "${ac_cv_type_struct_timeval}" = yes; then
+ RUBY_CHECK_SIZEOF([struct timeval.tv_sec], [time_t long "long long"], [],
+ [@%:@ifdef HAVE_TIME_H
+@%:@include <time.h>
+@%:@endif
+@%:@ifdef HAVE_SYS_TIME_H
+@%:@include <sys/time.h>
+@%:@endif])
+ AS_CASE(${ac_cv_sizeof_struct_timeval_tv_sec},
+ [SIZEOF_INT], [t=int],
+ [SIZEOF_LONG], [t=long],
+ [SIZEOF_LONG_LONG], [t=LONG_LONG],
+ [t=])
+ if test "${t}" != ""; then
+ AC_DEFINE_UNQUOTED(TYPEOF_TIMEVAL_TV_SEC, [$t])
+ fi
+fi
+
+AC_CHECK_TYPES([struct timespec], [], [], [@%:@ifdef HAVE_TIME_H
+@%:@include <time.h>
+@%:@endif
+@%:@ifdef HAVE_SYS_TIME_H
+@%:@include <sys/time.h>
+@%:@endif])
+
+AC_CHECK_TYPES([struct timezone], [], [], [@%:@ifdef HAVE_TIME_H
+@%:@ include <time.h>
+@%:@endif
+@%:@ifdef HAVE_SYS_TIME_H
+@%:@ include <sys/time.h>
+@%:@endif])
+
+AC_CHECK_TYPES([clockid_t], [], [], [@%:@ifdef HAVE_TIME_H
+@%:@ include <time.h>
+@%:@endif
+@%:@ifdef HAVE_SYS_TIME_H
+@%:@ include <sys/time.h>
+@%:@endif])
+
+AC_CACHE_VAL([rb_cv_large_fd_select],
+ [AC_CHECK_TYPE(fd_mask, [rb_cv_large_fd_select=yes], [rb_cv_large_fd_select=no])])
+if test "$rb_cv_large_fd_select" = yes; then
+ AC_DEFINE(HAVE_RB_FD_INIT, 1)
+fi
+
+dnl RUBY_DEFINT TYPENAME, SIZE, [SIGNED-OR-UNSIGNED], [INCLUDES = DEFAULT-INCLUDES]
+AC_DEFUN([RUBY_DEFINT], [dnl
+AC_CACHE_CHECK([for $1], [rb_cv_type_$1],
+[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT([$4])
+typedef $1 t; int s = sizeof(t) == 42;])],
+ [rb_cv_type_$1=yes],
+ [AS_CASE([m4_bmatch([$2], [^[1-9][0-9]*$], $2, [$ac_cv_sizeof_]AS_TR_SH($2))],
+ ["1"], [ rb_cv_type_$1="m4_if([$3], [], [signed ], [$3 ])char"],
+ ["$ac_cv_sizeof_short"], [ rb_cv_type_$1="m4_if([$3], [], [], [$3 ])short"],
+ ["$ac_cv_sizeof_int"], [ rb_cv_type_$1="m4_if([$3], [], [], [$3 ])int"],
+ ["$ac_cv_sizeof_long"], [ rb_cv_type_$1="m4_if([$3], [], [], [$3 ])long"],
+ ["$ac_cv_sizeof_long_long"], [ rb_cv_type_$1="m4_if([$3], [], [], [$3 ])long long"],
+ ["$ac_cv_sizeof___int64"], [ rb_cv_type_$1="m4_if([$3], [], [], [$3 ])__int64"],
+ ["$ac_cv_sizeof___int128"], [ rb_cv_type_$1="m4_if([$3], [], [], [$3 ])__int128"],
+ [ rb_cv_type_$1=no])])])
+if test "${rb_cv_type_$1}" != no; then
+ AC_DEFINE([HAVE_]AS_TR_CPP($1), 1)
+ if test "${rb_cv_type_$1}" = yes; then
+ m4_bmatch([$2], [^[1-9][0-9]*$], [AC_CHECK_SIZEOF([$1], 0, [AC_INCLUDES_DEFAULT([$4])])],
+ [RUBY_CHECK_SIZEOF([$1], [$2], [], [AC_INCLUDES_DEFAULT([$4])])])
+ else
+ AC_DEFINE_UNQUOTED($1, [$rb_cv_type_$1])
+ AC_DEFINE_UNQUOTED([SIZEOF_]AS_TR_CPP($1), [SIZEOF_]AS_TR_CPP([$rb_cv_type_$1]))
+ fi
+fi
+])
+
+RUBY_DEFINT(int8_t, 1)
+RUBY_DEFINT(uint8_t, 1, unsigned)
+RUBY_DEFINT(int16_t, 2)
+RUBY_DEFINT(uint16_t, 2, unsigned)
+RUBY_DEFINT(int32_t, 4)
+RUBY_DEFINT(uint32_t, 4, unsigned)
+RUBY_DEFINT(int64_t, 8)
+RUBY_DEFINT(uint64_t, 8, unsigned)
+RUBY_DEFINT(int128_t, 16)
+RUBY_DEFINT(uint128_t, 16, unsigned)
+RUBY_DEFINT(intptr_t, void*)
+RUBY_DEFINT(uintptr_t, void*, unsigned)
+RUBY_DEFINT(ssize_t, size_t, [], [@%:@include <sys/types.h>]) dnl may differ from int, so not use AC_TYPE_SSIZE_T.
+
+RUBY_NACL_CHECK_PEPPER_TYPES
+
+AC_CACHE_CHECK(for stack end address, rb_cv_stack_end_address,
+[rb_cv_stack_end_address=no
+ AC_TRY_LINK(
+ [extern void *__libc_stack_end;],
+ [if (!__libc_stack_end) return 1;],
+ [rb_cv_stack_end_address="__libc_stack_end"])
+])
+if test $rb_cv_stack_end_address != no; then
+ AC_DEFINE_UNQUOTED(STACK_END_ADDRESS, $rb_cv_stack_end_address)
+fi
+
+# posix_memalign(memptr, alignment, size) implemented for OpenBSD 4.8 doesn't work if alignment > MALLOC_PAGESIZE.
+# [ruby-core:42158] https://bugs.ruby-lang.org/issues/5901
+# OpenBSD 5.2 fixed the problem. (src/lib/libc/stdlib/malloc.c:1.142)
+# MirOS #10semel has the problem but fixed in the repository. (src/lib/libc/stdlib/malloc.c:1.9)
+AS_CASE(["$target_os"],
+[openbsd*|mirbsd*], [
+ AC_CACHE_CHECK(for heap align log on openbsd, rb_cv_page_size_log,
+ [rb_cv_page_size_log=no
+ for page_log in 12 13; do
+ AC_TRY_RUN([
+#include <math.h>
+#include <unistd.h>
+
+int
+main() {
+ if ((int)log2((double)sysconf(_SC_PAGESIZE)) != $page_log) return 1;
+ return 0;
+}
+ ],
+ rb_cv_page_size_log="$page_log"; break)
+ done])
+ if test $rb_cv_page_size_log != no; then
+ AC_DEFINE_UNQUOTED(HEAP_ALIGN_LOG, $rb_cv_page_size_log)
+ else
+ AC_DEFINE_UNQUOTED(HEAP_ALIGN_LOG, 12)
+ fi
+])
+
+dnl Checks for library functions.
+AC_TYPE_GETGROUPS
+AC_TYPE_SIGNAL
+AS_CASE(["${target_cpu}-${target_os}:${target_archs}"],
+[powerpc-darwin*], [
+ AC_LIBSOURCES(alloca.c)
+ AC_SUBST([ALLOCA], [\${LIBOBJDIR}alloca.${ac_objext}])
+ AC_DEFINE(C_ALLOCA)
+ AC_DEFINE_UNQUOTED(alloca, alloca)
+ ],
+[universal-darwin*:*ppc*], [
+ AC_LIBSOURCES(alloca.c)
+ AC_SUBST([ALLOCA], [\${LIBOBJDIR}alloca.${ac_objext}])
+ RUBY_DEFINE_IF([defined __powerpc__], C_ALLOCA, 1)
+ RUBY_DEFINE_IF([defined __powerpc__], alloca, alloca)
+ ],
+[
+ AC_FUNC_ALLOCA
+ ])
+if test "x$ALLOCA" = "x"; then
+ AC_CACHE_CHECK([for dynamic size alloca], rb_cv_dynamic_alloca, [
+ for chk in ok __chkstk; do
+ AC_TRY_LINK([
+ @%:@ifdef HAVE_ALLOCA_H
+ @%:@include <alloca.h>
+ @%:@endif
+ void $chk() {}
+ int dynamic_alloca_test;
+ int dynamic_alloca_result;],
+ [dynamic_alloca_result = alloca(dynamic_alloca_test) != 0;],
+ [rb_cv_dynamic_alloca=$chk; break])
+ done])
+ if test "x$rb_cv_dynamic_alloca" = "x__chkstk"; then
+ AC_DEFINE_UNQUOTED(RUBY_ALLOCA_CHKSTK, _$rb_cv_dynamic_alloca)
+ AS_CASE("$target_cpu",
+ [x64|x86_64], [
+ AC_SUBST([ALLOCA], [\${LIBOBJDIR}x86_64-chkstk.${ac_objext}])
+ ],)
+ fi
+fi
+AC_FUNC_MEMCMP
+
+# http://sources.redhat.com/ml/libc-hacker/2005-08/msg00008.html
+# Debian GNU/Linux Etch's libc6.1 2.3.6.ds1-13etch5 has this problem.
+# Debian GNU/Linux Lenny's libc6.1 2.7-10 has no problem.
+AC_CACHE_CHECK(for broken erfc of glibc-2.3.6 on IA64, rb_cv_broken_glibc_ia64_erfc,
+ [AC_TRY_RUN([
+#include <math.h>
+int
+main()
+{
+ erfc(10000.0);
+ return 0;
+}
+],
+ rb_cv_broken_glibc_ia64_erfc=no,
+ rb_cv_broken_glibc_ia64_erfc=yes,
+ rb_cv_broken_glibc_ia64_erfc=no)])
+AS_CASE([$rb_cv_broken_glibc_ia64_erfc],[yes],[ac_cv_func_erf=no])
+
+AS_CASE(["$target_os"],[freebsd*],[
+ AC_DEFINE(BROKEN_CLOSE)
+ AC_REPLACE_FUNCS(close)
+ ])
+
+AC_REPLACE_FUNCS(acosh)
+AC_REPLACE_FUNCS(cbrt)
+AC_REPLACE_FUNCS(crypt)
+AC_REPLACE_FUNCS(dup2)
+AC_REPLACE_FUNCS(erf)
+AC_REPLACE_FUNCS(ffs)
+AC_REPLACE_FUNCS(finite)
+AC_REPLACE_FUNCS(flock)
+AC_REPLACE_FUNCS(hypot)
+AC_REPLACE_FUNCS(isinf)
+AC_REPLACE_FUNCS(isnan)
+AC_REPLACE_FUNCS(lgamma_r)
+AC_REPLACE_FUNCS(memmove)
+AC_REPLACE_FUNCS(nextafter)
+AC_REPLACE_FUNCS(setproctitle)
+AC_REPLACE_FUNCS(strchr)
+AC_REPLACE_FUNCS(strerror)
+AC_REPLACE_FUNCS(strlcat)
+AC_REPLACE_FUNCS(strlcpy)
+AC_REPLACE_FUNCS(strstr)
+AC_REPLACE_FUNCS(tgamma)
+
+# for missing/setproctitle.c
+AS_CASE(["$target_os"],
+[aix* | k*bsd*-gnu | kopensolaris*-gnu | linux* | darwin*], [AC_DEFINE(SPT_TYPE,SPT_REUSEARGV)],
+[hpux*], [AC_DEFINE(SPT_TYPE,SPT_PSTAT) ],
+[])
+AC_CHECK_HEADERS(sys/pstat.h)
+
+
+AC_CACHE_CHECK(for signbit, rb_cv_have_signbit,
+ [AC_TRY_LINK([
+#include <math.h>
+], [int v = signbit(-0.0);],
+ rb_cv_have_signbit=yes,
+ rb_cv_have_signbit=no)])
+if test "$rb_cv_have_signbit" = yes; then
+ AC_DEFINE(HAVE_SIGNBIT)
+else
+ AC_LIBOBJ([signbit])
+fi
+
+AC_FUNC_FORK
+
+AC_CHECK_FUNCS(__syscall)
+AC_CHECK_FUNCS(_longjmp) # used for AC_ARG_WITH(setjmp-type)
+AC_CHECK_FUNCS(_setjmp) # used for AC_ARG_WITH(setjmp-type)
+AC_CHECK_FUNCS(_setjmpex) # used for AC_ARG_WITH(setjmp-type)
+AC_CHECK_FUNCS(atan2l atan2f)
+AC_CHECK_FUNCS(chroot)
+AC_CHECK_FUNCS(chsize)
+AC_CHECK_FUNCS(clock_gettime)
+AC_CHECK_FUNCS(cosh)
+AC_CHECK_FUNCS(daemon)
+AC_CHECK_FUNCS(dirfd)
+AC_CHECK_FUNCS(dl_iterate_phdr)
+AC_CHECK_FUNCS(dlopen)
+AC_CHECK_FUNCS(dladdr)
+AC_CHECK_FUNCS(dup)
+AC_CHECK_FUNCS(dup3)
+AC_CHECK_FUNCS(eaccess)
+AC_CHECK_FUNCS(endgrent)
+AC_CHECK_FUNCS(fchmod)
+AC_CHECK_FUNCS(fchown)
+AC_CHECK_FUNCS(fcntl)
+AC_CHECK_FUNCS(fdatasync)
+AC_CHECK_FUNCS(fgetattrlist)
+AC_CHECK_FUNCS(fmod)
+AC_CHECK_FUNCS(fsync)
+AC_CHECK_FUNCS(ftruncate)
+AC_CHECK_FUNCS(ftruncate64) # used for Win32 platform
+AC_CHECK_FUNCS(getattrlist)
+AC_CHECK_FUNCS(getcwd)
+AC_CHECK_FUNCS(getgidx)
+AC_CHECK_FUNCS(getgrnam)
+AC_CHECK_FUNCS(getgrnam_r)
+AC_CHECK_FUNCS(getgroups)
+AC_CHECK_FUNCS(getpgid)
+AC_CHECK_FUNCS(getpgrp)
+AC_CHECK_FUNCS(getpriority)
+AC_CHECK_FUNCS(getpwnam_r)
+AC_CHECK_FUNCS(getresgid)
+AC_CHECK_FUNCS(getresuid)
+AC_CHECK_FUNCS(getrlimit)
+AC_CHECK_FUNCS(getsid)
+AC_CHECK_FUNCS(gettimeofday) # for making ac_cv_func_gettimeofday
+AC_CHECK_FUNCS(getuidx)
+AC_CHECK_FUNCS(gmtime_r)
+AC_CHECK_FUNCS(initgroups)
+AC_CHECK_FUNCS(ioctl)
+AC_CHECK_FUNCS(isfinite)
+AC_CHECK_FUNCS(issetugid)
+AC_CHECK_FUNCS(killpg)
+AC_CHECK_FUNCS(lchmod)
+AC_CHECK_FUNCS(lchown)
+AC_CHECK_FUNCS(link)
+AC_CHECK_FUNCS(llabs)
+AC_CHECK_FUNCS(lockf)
+AC_CHECK_FUNCS(log2)
+AC_CHECK_FUNCS(lstat)
+AC_CHECK_FUNCS(malloc_usable_size)
+AC_CHECK_FUNCS(malloc_size)
+AC_CHECK_FUNCS(mblen)
+AC_CHECK_FUNCS(memalign)
+AC_CHECK_FUNCS(writev)
+AC_CHECK_FUNCS(memrchr)
+AC_CHECK_FUNCS(memmem)
+AC_CHECK_FUNCS(mktime)
+AC_CHECK_FUNCS(pipe2)
+AC_CHECK_FUNCS(poll)
+AC_CHECK_FUNCS(posix_fadvise)
+AC_CHECK_FUNCS(posix_memalign)
+AC_CHECK_FUNCS(ppoll)
+AC_CHECK_FUNCS(pread)
+AC_CHECK_FUNCS(qsort_r)
+AC_CHECK_FUNCS(readlink)
+AC_CHECK_FUNCS(round)
+AC_CHECK_FUNCS(sched_getaffinity)
+AC_CHECK_FUNCS(seekdir)
+AC_CHECK_FUNCS(select_large_fdset)
+AC_CHECK_FUNCS(sendfile)
+AC_CHECK_FUNCS(setegid)
+AC_CHECK_FUNCS(setenv)
+AC_CHECK_FUNCS(seteuid)
+AC_CHECK_FUNCS(setgid)
+AC_CHECK_FUNCS(setgroups)
+AC_CHECK_FUNCS(setpgid)
+AC_CHECK_FUNCS(setpgrp)
+AC_CHECK_FUNCS(setregid)
+AC_CHECK_FUNCS(setresgid)
+AC_CHECK_FUNCS(setresuid)
+AC_CHECK_FUNCS(setreuid)
+AC_CHECK_FUNCS(setrgid)
+AC_CHECK_FUNCS(setrlimit)
+AC_CHECK_FUNCS(setruid)
+AC_CHECK_FUNCS(setsid)
+AC_CHECK_FUNCS(setuid)
+AC_CHECK_FUNCS(shutdown)
+AC_CHECK_FUNCS(sigaction)
+AC_CHECK_FUNCS(sigaltstack)
+AC_CHECK_FUNCS(sigprocmask)
+AC_CHECK_FUNCS(sinh)
+AC_CHECK_FUNCS(spawnv)
+AC_CHECK_FUNCS(symlink)
+AC_CHECK_FUNCS(syscall)
+AC_CHECK_FUNCS(sysconf)
+AC_CHECK_FUNCS(tanh)
+AC_CHECK_FUNCS(telldir)
+AC_CHECK_FUNCS(timegm)
+AC_CHECK_FUNCS(times)
+AC_CHECK_FUNCS(truncate)
+AC_CHECK_FUNCS(truncate64) # used for Win32
+AC_CHECK_FUNCS(unsetenv)
+AC_CHECK_FUNCS(utimensat)
+AC_CHECK_FUNCS(utimes)
+AC_CHECK_FUNCS(wait4)
+AC_CHECK_FUNCS(waitpid)
+
+AS_IF([test "$ac_cv_func_getcwd" = yes], [
+ AC_CACHE_CHECK(if getcwd allocates buffer if NULL is given, [rb_cv_getcwd_malloc],
+ [AC_TRY_RUN([
+@%:@include <stddef.h>
+@%:@include <stdio.h>
+@%:@ifdef HAVE_UNISTD_H
+@%:@include <unistd.h>
+@%:@endif
+@%:@ifndef EXIT_SUCCESS
+@%:@define EXIT_SUCCESS 0
+@%:@endif
+@%:@ifndef EXIT_FAILURE
+@%:@define EXIT_FAILURE 1
+@%:@endif
+
+int
+main(int argc, char **argv)
+{
+ if (!getcwd(NULL, 0)) return EXIT_FAILURE;
+ return EXIT_SUCCESS;
+}
+],
+ rb_cv_getcwd_malloc=yes,
+ rb_cv_getcwd_malloc=no,
+ AS_CASE($target_os,
+ [linux*|darwin*|*bsd|cygwin*|mingw*|mswin*],
+ [rb_cv_getcwd_malloc=yes],
+ [rb_cv_getcwd_malloc=no]))])
+ AS_IF([test "$rb_cv_getcwd_malloc" = no], [AC_DEFINE(NO_GETCWD_MALLOC, 1)])
+])
+
+AC_DEFUN([RUBY_CHECK_BUILTIN_FUNC], [dnl
+AC_CACHE_CHECK([for $1], AS_TR_SH(rb_cv_builtin_$1),
+ [AC_LINK_IFELSE(
+ [AC_LANG_PROGRAM([int foo;], [$2;])],
+ [AS_TR_SH(rb_cv_builtin_$1)=yes],
+ [AS_TR_SH(rb_cv_builtin_$1)=no])])
+if test "${AS_TR_SH(rb_cv_builtin_$1)}" != no; then
+ AC_DEFINE(AS_TR_CPP(HAVE_BUILTIN_$1))
+fi])
+RUBY_CHECK_BUILTIN_FUNC(__builtin_bswap16, [__builtin_bswap16(0)])
+RUBY_CHECK_BUILTIN_FUNC(__builtin_bswap32, [__builtin_bswap32(0)])
+RUBY_CHECK_BUILTIN_FUNC(__builtin_bswap64, [__builtin_bswap64(0)])
+RUBY_CHECK_BUILTIN_FUNC(__builtin_clz, [__builtin_clz(0)])
+RUBY_CHECK_BUILTIN_FUNC(__builtin_clzl, [__builtin_clzl(0)])
+RUBY_CHECK_BUILTIN_FUNC(__builtin_clzll, [__builtin_clzll(0)])
+RUBY_CHECK_BUILTIN_FUNC(__builtin_choose_expr, [__builtin_choose_expr(0, 0, 0)])
+RUBY_CHECK_BUILTIN_FUNC(__builtin_choose_expr_constant_p, [__builtin_choose_expr(__builtin_constant_p(foo), 0, 0)])
+RUBY_CHECK_BUILTIN_FUNC(__builtin_types_compatible_p, [__builtin_types_compatible_p(int, int)])
+
+if test "$ac_cv_func_qsort_r" != no; then
+ AC_CACHE_CHECK(whether qsort_r is GNU version, rb_cv_gnu_qsort_r,
+ [AC_TRY_COMPILE([
+@%:@include <stdlib.h>
+void qsort_r(void *base, size_t nmemb, size_t size,
+ int (*compar)(const void *, const void *, void *),
+ void *arg);
+],[ ],
+ [rb_cv_gnu_qsort_r=yes],
+ [rb_cv_gnu_qsort_r=no])
+ ])
+ AC_CACHE_CHECK(whether qsort_r is BSD version, rb_cv_bsd_qsort_r,
+ [AC_TRY_COMPILE([
+@%:@include <stdlib.h>
+void qsort_r(void *base, size_t nmemb, size_t size,
+ void *arg, int (*compar)(void *, const void *, const void *));
+],[ ],
+ [rb_cv_bsd_qsort_r=yes],
+ [rb_cv_bsd_qsort_r=no])
+ ])
+ AS_CASE("$rb_cv_gnu_qsort_r:$rb_cv_bsd_qsort_r",
+ [yes:no], [
+ AC_DEFINE(HAVE_GNU_QSORT_R, 1)
+ ])
+fi
+
+AC_CACHE_CHECK(whether atan2 handles Inf as C99, rb_cv_atan2_inf_c99, [
+ AS_IF([test $ac_cv_func_atan2f:$ac_cv_func_atan2l = yes:yes], [
+ AC_TRY_RUN([
+@%:@include <math.h>
+@%:@ifdef HAVE_UNISTD_H
+@%:@include <unistd.h>
+@%:@endif
+@%:@ifndef EXIT_SUCCESS
+@%:@define EXIT_SUCCESS 0
+@%:@endif
+@%:@ifndef EXIT_FAILURE
+@%:@define EXIT_FAILURE 1
+@%:@endif
+
+int
+main(int argc, char **argv)
+{
+ if (fabs(atan2(INFINITY, INFINITY) - M_PI_4) <= 0.01) return EXIT_SUCCESS;
+ return EXIT_FAILURE;
+}
+],
+ [rb_cv_atan2_inf_c99=yes],
+ [rb_cv_atan2_inf_c99=no],
+ [AS_CASE($target_os, [mingw*|mswin*], [rb_cv_atan2_inf_c99=no], [rb_cv_atan2_inf_c99=yes])]
+ )
+ ], [rb_cv_atan2_inf_c99=no])
+])
+AS_IF([test "x$rb_cv_atan2_inf_c99" = xyes], [AC_DEFINE(ATAN2_INF_C99)])
+
+# Some platform need -lrt for clock_gettime, but the other don't.
+if test x"$ac_cv_func_clock_gettime" != xyes; then
+ # glibc 2.17 moves clock_* functions from librt to the main C library.
+ # http://sourceware.org/ml/libc-announce/2012/msg00001.html
+ AC_CHECK_LIB(rt, clock_gettime)
+ if test x"$ac_cv_lib_rt_clock_gettime" = xyes; then
+ AC_DEFINE(HAVE_CLOCK_GETTIME, 1)
+ fi
+fi
+AC_CHECK_FUNCS(clock_getres) # clock_getres should be tested after clock_gettime test including librt test.
+
+AC_CACHE_CHECK(for unsetenv returns a value, rb_cv_unsetenv_return_value,
+ [AC_TRY_COMPILE([
+#include <stdlib.h>
+], [int v = unsetenv("foo");],
+ rb_cv_unsetenv_return_value=yes,
+ rb_cv_unsetenv_return_value=no)])
+if test "$rb_cv_unsetenv_return_value" = no; then
+ AC_DEFINE(VOID_UNSETENV)
+fi
+
+# used for AC_ARG_WITH(setjmp-type)
+AC_CACHE_CHECK(for sigsetjmp as a macro or function, ac_cv_func_sigsetjmp,
+ [AC_TRY_COMPILE([
+#include <setjmp.h>
+], [sigjmp_buf env; sigsetjmp(env,1);],
+ ac_cv_func_sigsetjmp=yes,
+ ac_cv_func_sigsetjmp=no)])
+
+AC_DEFUN([RUBY_CHECK_BUILTIN_SETJMP], [
+if test x"${ac_cv_func___builtin_setjmp}" = xyes; then
+ unset ac_cv_func___builtin_setjmp
+fi
+AC_CACHE_CHECK(for __builtin_setjmp, ac_cv_func___builtin_setjmp,
+ [
+ ac_cv_func___builtin_setjmp=no
+ for cast in "" "(void **)"; do
+ RUBY_WERROR_FLAG(
+ [AC_TRY_LINK([@%:@include <setjmp.h>
+ @%:@include <stdio.h>
+ jmp_buf jb;
+ void t(void) {__builtin_longjmp($cast jb, 1);}
+ int jump(void) {(void)(__builtin_setjmp($cast jb) ? 1 : 0); return 0;}],
+ [
+ void (*volatile f)(void) = t;
+ if (!jump()) printf("%d\n", f != 0);
+ ],
+ [ac_cv_func___builtin_setjmp="yes with cast ($cast)"])
+ ])
+ test "$ac_cv_func___builtin_setjmp" = no || break
+ done])
+])
+
+# we don't use _setjmp if _longjmp doesn't exist.
+test x$ac_cv_func__longjmp = xno && ac_cv_func__setjmp=no
+
+AC_DEFUN([RUBY_SETJMP_TYPE], [
+RUBY_CHECK_BUILTIN_SETJMP
+AC_MSG_CHECKING(for setjmp type)
+setjmp_suffix=
+AC_ARG_WITH(setjmp-type,
+ AS_HELP_STRING([--with-setjmp-type], [select setjmp type]),
+ [
+ AS_CASE([$withval],
+ [__builtin_setjmp], [setjmp=__builtin_setjmp],
+ [_setjmp], [ setjmp_prefix=_],
+ [sigsetjmp], [ setjmp_prefix=sig],
+ [setjmp], [ setjmp_prefix=],
+ [setjmpex], [ setjmp_prefix= setjmp_suffix=ex],
+ [''], [ unset setjmp_prefix],
+ [ AC_MSG_ERROR(invalid setjmp type: $withval)])], [unset setjmp_prefix])
+setjmp_cast=
+if test ${setjmp_prefix+set}; then
+ if test "${setjmp_prefix}" && eval test '$ac_cv_func_'${setjmp_prefix}setjmp${setjmp_suffix} = no; then
+ AC_MSG_ERROR(${setjmp_prefix}setjmp${setjmp_suffix} is not available)
+ fi
+elif { AS_CASE("$ac_cv_func___builtin_setjmp", [yes*], [true], [false]) }; then
+ setjmp_cast=`expr "$ac_cv_func___builtin_setjmp" : "yes with cast (\(.*\))"`
+ setjmp_prefix=__builtin_
+ setjmp_suffix=
+elif test "$ac_cv_header_setjmpex_h:$ac_cv_func__setjmpex" = yes:yes; then
+ setjmp_prefix=
+ setjmp_suffix=ex
+elif test "$ac_cv_func__setjmp" = yes; then
+ setjmp_prefix=_
+ setjmp_suffix=
+elif test "$ac_cv_func_sigsetjmp" = yes; then
+ AS_CASE([$target_os],[solaris*|cygwin*],[setjmp_prefix=],[setjmp_prefix=sig])
+ setjmp_suffix=
+else
+ setjmp_prefix=
+ setjmp_suffix=
+fi
+if test x$setjmp_prefix = xsig; then
+ setjmp_sigmask=yes
+else
+ unset setjmp_sigmask
+fi
+AC_MSG_RESULT(${setjmp_prefix}setjmp${setjmp_suffix}${setjmp_cast:+\($setjmp_cast\)})
+AC_DEFINE_UNQUOTED([RUBY_SETJMP(env)], [${setjmp_prefix}setjmp${setjmp_suffix}($setjmp_cast(env)${setjmp_sigmask+,0})])
+AC_DEFINE_UNQUOTED([RUBY_LONGJMP(env,val)], [${setjmp_prefix}longjmp($setjmp_cast(env),val)])
+AC_DEFINE_UNQUOTED(RUBY_JMP_BUF, ${setjmp_sigmask+${setjmp_prefix}}jmp_buf)
+])
+# End of setjmp check.
+
+AC_ARG_ENABLE(setreuid,
+ AS_HELP_STRING([--enable-setreuid], [use setreuid()/setregid() according to need even if obsolete]),
+ [use_setreuid=$enableval])
+if test "$use_setreuid" = yes; then
+ AC_DEFINE(USE_SETREUID)
+ AC_DEFINE(USE_SETREGID)
+fi
+AC_STRUCT_TIMEZONE
+AC_CACHE_CHECK(for struct tm.tm_gmtoff, rb_cv_member_struct_tm_tm_gmtoff,
+ [AC_TRY_COMPILE([@%:@include <time.h>],
+ [struct tm t; t.tm_gmtoff = 3600;],
+ [rb_cv_member_struct_tm_tm_gmtoff=yes],
+ [rb_cv_member_struct_tm_tm_gmtoff=no])])
+if test "$rb_cv_member_struct_tm_tm_gmtoff" = yes; then
+ AC_DEFINE(HAVE_STRUCT_TM_TM_GMTOFF)
+fi
+AC_CACHE_CHECK(for external int daylight, rb_cv_have_daylight,
+ [AC_TRY_LINK([#include <time.h>
+ int i;],
+ [i = daylight;],
+ rb_cv_have_daylight=yes,
+ rb_cv_have_daylight=no)])
+if test "$rb_cv_have_daylight" = yes; then
+ AC_DEFINE(HAVE_DAYLIGHT)
+fi
+AC_DEFUN([RUBY_CHECK_VARTYPE], [dnl
+AC_CACHE_CHECK([for external $1], AS_TR_SH(rb_cv_var_$1),
+ [AS_TR_SH(rb_cv_var_$1)=no
+ AC_TRY_COMPILE([
+#ifndef _XOPEN_SOURCE
+#define _XOPEN_SOURCE 1
+#endif
+$2
+;
+const volatile void *volatile t;],
+ [t = &(&$1)[0];],
+ [for t in $3; do
+ AC_TRY_COMPILE([
+#ifndef _XOPEN_SOURCE
+#define _XOPEN_SOURCE 1
+#endif
+$2
+;
+extern $t $1;
+const volatile void *volatile t;],
+ [t = &(&$1)[0];],
+ [AS_TR_SH(rb_cv_var_$1)=$t; break])
+ done])])
+if test "${AS_TR_SH(rb_cv_var_$1)}" != no; then
+ AC_DEFINE(AS_TR_CPP(HAVE_VAR_$1))
+ AC_DEFINE_UNQUOTED(AS_TR_CPP(TYPEOF_VAR_$1), ${AS_TR_SH(rb_cv_var_$1)})
+fi])
+RUBY_CHECK_VARTYPE(timezone, [@%:@include <time.h>], [long int])
+RUBY_CHECK_VARTYPE(altzone, [@%:@include <time.h>], [long int])
+AC_CHECK_FUNCS(timezone)
+if test "$ac_cv_func_timezone" = yes; then
+ AC_CACHE_CHECK([whether timezone requires zero arguments], rb_cv_func_timezone_void,
+ [AC_TRY_COMPILE([@%:@include <time.h>],
+ [(void)timezone(0, 0);],
+ [rb_cv_func_timezone_void=no],
+ [rb_cv_func_timezone_void=yes])]
+ )
+ if test $rb_cv_func_timezone_void = yes; then
+ AC_DEFINE(TIMEZONE_VOID)
+ fi
+fi
+
+AC_CACHE_CHECK(for negative time_t for gmtime(3), rb_cv_negative_time_t,
+ [AC_TRY_RUN([
+#include <stdlib.h>
+#include <time.h>
+
+void
+check(tm, y, m, d, h, s)
+ struct tm *tm;
+ int y, m, d, h, s;
+{
+ if (!tm ||
+ tm->tm_year != y ||
+ tm->tm_mon != m-1 ||
+ tm->tm_mday != d ||
+ tm->tm_hour != h ||
+ tm->tm_sec != s) {
+ exit(1);
+ }
+}
+
+int
+main()
+{
+ time_t t = -1;
+ struct tm *tm;
+
+ check(gmtime(&t), 69, 12, 31, 23, 59);
+ t = ~(time_t)0 << 31;
+ check(gmtime(&t), 1, 12, 13, 20, 52);
+ return 0;
+}
+],
+ rb_cv_negative_time_t=yes,
+ rb_cv_negative_time_t=no,
+ rb_cv_negative_time_t=yes)])
+if test "$rb_cv_negative_time_t" = yes; then
+ AC_DEFINE(NEGATIVE_TIME_T)
+fi
+
+# [ruby-dev:40910] overflow of time on FreeBSD
+# http://www.freebsd.org/cgi/query-pr.cgi?pr=145341
+AC_CACHE_CHECK(for localtime(3) overflow correctly, rb_cv_localtime_overflow,
+ [AC_TRY_RUN([
+#include <stdlib.h>
+#include <time.h>
+
+void
+check(time_t t1)
+{
+ struct tm *tm;
+ time_t t2;
+ tm = localtime(&t1);
+ if (!tm)
+ return; /* overflow detected. ok. */
+ t2 = mktime(tm);
+ if (t1 == t2)
+ return; /* round-trip. ok. */
+ exit(1);
+}
+
+int
+main()
+{
+ time_t t;
+ if (~(time_t)0 <= 0) {
+ t = (((time_t)1) << (sizeof(time_t) * 8 - 2));
+ t |= t - 1;
+ }
+ else {
+ t = ~(time_t)0;
+ }
+ check(t);
+ return 0;
+}
+],
+ rb_cv_localtime_overflow=yes,
+ rb_cv_localtime_overflow=no,
+ rb_cv_localtime_overflow=no)])
+if test "$rb_cv_localtime_overflow" = no; then
+ AC_DEFINE(LOCALTIME_OVERFLOW_PROBLEM)
+fi
+
+if test "$ac_cv_func_sigprocmask" = yes && test "$ac_cv_func_sigaction" = yes; then
+ AC_DEFINE(POSIX_SIGNAL)
+else
+ AC_CHECK_FUNCS(sigsetmask)
+ AC_CACHE_CHECK(for BSD signal semantics, rb_cv_bsd_signal,
+ [AC_TRY_RUN([
+#include <stdio.h>
+#include <signal.h>
+
+void
+sig_handler(dummy)
+ int dummy;
+{
+}
+
+int
+main()
+{
+ signal(SIGINT, sig_handler);
+ kill(getpid(), SIGINT);
+ kill(getpid(), SIGINT);
+ return 0;
+}
+],
+ rb_cv_bsd_signal=yes,
+ rb_cv_bsd_signal=no,
+ rb_cv_bsd_signal=$ac_cv_func_sigsetmask)])
+ if test "$rb_cv_bsd_signal" = yes; then
+ AC_DEFINE(BSD_SIGNAL)
+ fi
+fi
+
+if test "$ac_cv_func_getpgid" = no; then
+ # AC_FUNC_GETPGRP fails when cross-compiling with old autoconf.
+ # autoconf is changed between 2.52d and 2.52f?
+ # http://lists.gnu.org/archive/html/bug-gnu-utils/2001-09/msg00181.html
+ # "autoconf cleanup for AC_FUNC_GETPGRP and GETPGRP_VOID"
+AC_FUNC_GETPGRP
+fi
+if test "$ac_cv_func_setpgid:$ac_cv_func_setpgrp" = no:yes; then
+ # AC_FUNC_SETPGRP fails when cross-compiling. (until autoconf 2.69?)
+ # https://lists.gnu.org/archive/html/bug-autoconf/2013-02/msg00002.html
+ # "AC_FUNC_SETPGRP fails to work properly when cross-compiling"
+AC_FUNC_SETPGRP
+fi
+
+if test x"$target_cpu" = xia64; then
+ AC_LIBOBJ([ia64])
+ AC_CACHE_CHECK(for __libc_ia64_register_backing_store_base,
+ rb_cv___libc_ia64_register_backing_store_base,
+ [rb_cv___libc_ia64_register_backing_store_base=no
+ AC_TRY_LINK(
+ [extern unsigned long __libc_ia64_register_backing_store_base;],
+ [unsigned long p = __libc_ia64_register_backing_store_base;
+ printf("%ld\n", p);],
+ [rb_cv___libc_ia64_register_backing_store_base=yes])])
+ if test $rb_cv___libc_ia64_register_backing_store_base = yes; then
+ AC_DEFINE(HAVE___LIBC_IA64_REGISTER_BACKING_STORE_BASE)
+ fi
+fi
+
+AC_CACHE_CHECK(whether right shift preserve sign bit, rb_cv_rshift_sign,
+ [AC_COMPILE_IFELSE([AC_LANG_BOOL_COMPILE_TRY([], [(-1==(-1>>1))])],
+ rb_cv_rshift_sign=yes,
+ rb_cv_rshift_sign=no)])
+if test "$rb_cv_rshift_sign" = yes; then
+ AC_DEFINE(RSHIFT(x,y), ((x)>>(int)(y)))
+else
+ AC_DEFINE(RSHIFT(x,y), (((x)<0) ? ~((~(x))>>(int)(y)) : (x)>>(int)(y)))
+fi
+
+if test x"$ac_cv_func_gettimeofday" != xyes; then
+ AC_MSG_ERROR(gettimeofday() must exist)
+fi
+
+if test "$ac_cv_func_sysconf" = yes; then
+ AC_DEFUN([RUBY_CHECK_SYSCONF], [dnl
+ AC_CACHE_CHECK([whether _SC_$1 is supported], rb_cv_have_sc_[]m4_tolower($1),
+ [AC_TRY_COMPILE([#include <unistd.h>
+ ],
+ [_SC_$1 >= 0],
+ rb_cv_have_sc_[]m4_tolower($1)=yes,
+ rb_cv_have_sc_[]m4_tolower($1)=no)
+ ])
+ if test "$rb_cv_have_sc_[]m4_tolower($1)" = yes; then
+ AC_DEFINE(HAVE__SC_$1)
+ fi
+ ])
+ RUBY_CHECK_SYSCONF(CLK_TCK)
+fi
+
+AC_DEFUN([RUBY_STACK_GROW_DIRECTION], [
+ AS_VAR_PUSHDEF([stack_grow_dir], [rb_cv_stack_grow_dir_$1])
+ AC_CACHE_CHECK(stack growing direction on $1, stack_grow_dir, [
+AS_CASE(["$1"],
+[m68*|x86*|x64|i?86|ia64|ppc*|sparc*|alpha*], [ $2=-1],
+[hppa*], [ $2=+1],
+[
+ AC_TRY_RUN([
+/* recurse to get rid of inlining */
+static int
+stack_growup_p(addr, n)
+ volatile int *addr, n;
+{
+ volatile int end;
+ if (n > 0)
+ return *addr = stack_growup_p(addr, n - 1);
+ else
+ return (&end > addr);
+}
+int main()
+{
+ int x;
+ return stack_growup_p(&x, 10);
+}
+], $2=-1, $2=+1, $2=0)
+ ])
+eval stack_grow_dir=\$$2])
+eval $2=\$stack_grow_dir
+AS_VAR_POPDEF([stack_grow_dir])])
+if test "${universal_binary-no}" = yes ; then
+ archflagpat=`eval echo '"'"${ARCH_FLAG}"'"' | sed 's/[[][|.*]]/\\&/g'`
+ save_CFLAGS="$CFLAGS" new_cflags=`echo "$CFLAGS" | sed "s|$archflagpat"'||'`
+ save_LDFLAGS="$LDFLAGS" new_ldflags=`echo "$LDFLAGS" | sed "s|$archflagpat"'||'`
+ stack_dir=
+ for archs in ${universal_archnames}; do
+ archs=`echo $archs | sed 's/=.*//'`
+ CFLAGS="$new_cflags -arch $archs"
+ LDFLAGS="$new_ldflags -arch $archs"
+ RUBY_STACK_GROW_DIRECTION($archs, dir)
+ if test x$stack_dir = x; then
+ stack_dir=$dir
+ elif test x$stack_dir != x$dir; then
+ stack_dir=no
+ fi
+ done
+ CFLAGS="$save_CFLAGS" LDFLAGS="$save_LDFLAGS"
+ if test x$stack_dir = xno; then
+ for archs in ${universal_archnames}; do
+ archs=`echo $archs | sed 's/=.*//'`
+ eval dir=\$[rb_cv_stack_grow_dir_]AS_TR_SH([$archs])
+ RUBY_DEFINE_IF([defined __${archs}__], STACK_GROW_DIRECTION, $dir)
+ done
+ else
+ AC_DEFINE_UNQUOTED(STACK_GROW_DIRECTION, $stack_dir)
+ fi
+else
+ RUBY_STACK_GROW_DIRECTION($target_cpu, dir)
+ AC_DEFINE_UNQUOTED(STACK_GROW_DIRECTION, $dir)
+fi
+
+if test x"$enable_pthread" = xyes; then
+ for pthread_lib in thr pthread pthreads c c_r root; do
+ AC_CHECK_LIB($pthread_lib, pthread_kill,
+ rb_with_pthread=yes, rb_with_pthread=no)
+ if test "$rb_with_pthread" = "yes"; then break; fi
+ done
+ if test x"$rb_with_pthread" = xyes; then
+ AC_DEFINE(_REENTRANT)
+ AC_DEFINE(_THREAD_SAFE)
+ AC_DEFINE(HAVE_LIBPTHREAD)
+ AC_CHECK_HEADERS(pthread_np.h, [], [], [@%:@include <pthread.h>])
+ AS_CASE([$pthread_lib],
+ [c], [],
+ [root], [],
+ [c_r], [MAINLIBS="-pthread $MAINLIBS"],
+ [AS_CASE(["$target_os"],
+ [openbsd*|mirbsd*], [LIBS="-pthread $LIBS"],
+ [LIBS="-l$pthread_lib $LIBS"])])
+ else
+ AC_MSG_WARN("Don't know how to find pthread library on your system -- thread support disabled")
+ fi
+ AC_CACHE_CHECK([whether pthread_t is scalar type], [rb_cv_scalar_pthread_t], [
+ AC_TRY_COMPILE([
+ @%:@include <pthread.h>
+ ], [
+ pthread_t thread_id;
+ thread_id = 0;
+ if (!thread_id) return 0;
+ ], [rb_cv_scalar_pthread_t=yes], [rb_cv_scalar_pthread_t=no])
+ ])
+ if test x"$rb_cv_scalar_pthread_t" = xyes; then
+ : # RUBY_CHECK_SIZEOF(pthread_t, [void* int long], [], [@%:@include <pthread.h>])
+ else
+ AC_DEFINE(NON_SCALAR_THREAD_ID)
+ fi
+ AC_CHECK_FUNCS(sched_yield pthread_attr_setinheritsched \
+ pthread_getattr_np pthread_attr_get_np pthread_attr_getstack\
+ pthread_get_stackaddr_np pthread_get_stacksize_np \
+ thr_stksegment pthread_stackseg_np pthread_getthrds_np \
+ pthread_cond_init pthread_condattr_setclock pthread_condattr_init \
+ pthread_sigmask pthread_setname_np)
+ if test "${host_os}" = "nacl"; then
+ ac_cv_func_pthread_attr_init=no
+ else
+ AC_CHECK_FUNCS(pthread_attr_init)
+ fi
+ if test "$ac_cv_func_pthread_setname_np" = yes; then
+ AC_CACHE_CHECK([arguments of pthread_setname_np], [rb_cv_func_pthread_setname_np_arguments],
+ [rb_cv_func_pthread_setname_np_arguments=
+ # Linux,AIX, (pthread_self(), name)
+ # NetBSD (pthread_self(), name, \"%s\")
+ # Darwin (name)
+ for mac in \
+ "(pthread_self(), name)" \
+ "(pthread_self(), name, \"%s\")" \
+ "(name)" \
+ ; do
+ AC_TRY_COMPILE([
+ @%:@include <pthread.h>
+ @%:@ifdef HAVE_PTHREAD_NP_H
+ @%:@include <pthread_np.h>
+ @%:@endif
+ @%:@define SET_THREAD_NAME(name) pthread_setname_np${mac}
+ ],
+ [if (SET_THREAD_NAME("conftest")) return 1;],
+ [rb_cv_func_pthread_setname_np_arguments="${mac}"
+ break])
+ done
+ ]
+ )
+ if test -n "${rb_cv_func_pthread_setname_np_arguments}"; then
+ AC_DEFINE_UNQUOTED(SET_THREAD_NAME(name), pthread_setname_np${rb_cv_func_pthread_setname_np_arguments})
+ else
+ AC_DEFINE_UNQUOTED(SET_THREAD_NAME(name), (void)0)
+ fi
+ fi
+fi
+if test x"$ac_cv_header_ucontext_h" = xyes; then
+ AC_CACHE_CHECK([if mcontext_t is a pointer], [rb_cv_mcontext_t_ptr],
+ [AC_TRY_COMPILE([@%:@include <ucontext.h>
+ mcontext_t test(mcontext_t mc) {return mc+1;}
+ ],
+ [test(0);],
+ [rb_cv_mcontext_t_ptr=yes], [rb_cv_mcontext_t_ptr=no])])
+ if test x"$rb_cv_mcontext_t_ptr" = xyes; then
+ AC_DEFINE_UNQUOTED(DEFINE_MCONTEXT_PTR(mc, uc), mcontext_t mc = (uc)->uc_mcontext)
+ else
+ AC_DEFINE_UNQUOTED(DEFINE_MCONTEXT_PTR(mc, uc), mcontext_t *mc = &(uc)->uc_mcontext)
+ fi
+ if test x"$rb_with_pthread" = xyes; then
+ AC_CHECK_FUNCS(getcontext setcontext)
+ fi
+fi
+
+if test "$ac_cv_func_fork_works" = "yes" -a "$rb_with_pthread" = "yes"; then
+ AC_CACHE_CHECK([if fork works with pthread], rb_cv_fork_with_pthread,
+ [AC_TRY_RUN([
+#include <stdlib.h>
+#include <unistd.h>
+#include <pthread.h>
+#include <stdio.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <signal.h>
+#ifndef EXIT_SUCCESS
+#define EXIT_SUCCESS 0
+#endif
+#ifndef EXIT_FAILURE
+#define EXIT_FAILURE 1
+#endif
+
+void *
+thread_func(void *dmy)
+{
+ return dmy;
+}
+
+int
+use_threads(void)
+{
+ pthread_t tid;
+ if (pthread_create(&tid, 0, thread_func, 0) != 0) {
+ return -1;
+ }
+ if (pthread_join(tid, 0) != 0) {
+ return -1;
+ }
+ return 0;
+}
+
+int
+main(int argc, char *argv[])
+{
+ pid_t pid;
+ if (use_threads()) return EXIT_FAILURE;
+ pid = fork();
+
+ if (pid) {
+ int loc;
+ sleep(1);
+ if (waitpid(pid, &loc, WNOHANG) == 0) {
+ kill(pid, SIGKILL);
+ return EXIT_FAILURE;
+ }
+ if (!WIFEXITED(loc) || WEXITSTATUS(loc) != EXIT_SUCCESS)
+ return EXIT_FAILURE;
+ }
+ else {
+ if (use_threads()) return EXIT_FAILURE;
+ }
+
+ return EXIT_SUCCESS;
+}],
+ rb_cv_fork_with_pthread=yes,
+ rb_cv_fork_with_pthread=no,
+ rb_cv_fork_with_pthread=yes)])
+ test x$rb_cv_fork_with_pthread = xyes || AC_DEFINE(CANNOT_FORK_WITH_PTHREAD)
+fi
+
+
+}
+{ # runtime section
+
+dnl wheather use dln_a_out or not
+AC_ARG_WITH(dln-a-out,
+ AS_HELP_STRING([--with-dln-a-out], [use dln_a_out if possible]),
+ [
+ AS_CASE([$withval],
+ [yes], [
+ if test "$enable_shared" = yes; then
+ AC_MSG_ERROR(dln_a_out can not make shared library)
+ fi
+ with_dln_a_out=yes],
+ [
+ with_dln_a_out=no])], [with_dln_a_out=no])
+
+AC_CACHE_CHECK(whether ELF binaries are produced, rb_cv_binary_elf,
+[AC_TRY_LINK([],[], [
+AS_CASE(["`head -1 conftest$EXEEXT | tr -dc '\177ELF' | tr '\177' .`"],
+[.ELF*], [rb_cv_binary_elf=yes], [rb_cv_binary_elf=no])],
+rb_cv_binary_elf=no)])
+
+if test "$rb_cv_binary_elf" = yes; then
+ AC_DEFINE(USE_ELF)
+ if test "$with_dln_a_out" = yes; then
+ AC_MSG_ERROR(dln_a_out does not work with ELF)
+ fi
+ AC_CHECK_HEADERS([elf.h elf_abi.h])
+ if test $ac_cv_header_elf_h = yes -o $ac_cv_header_elf_abi_h = yes; then
+ AC_LIBOBJ([addr2line])
+ fi
+fi
+
+AS_CASE(["$target_os"],
+[linux* | gnu* | k*bsd*-gnu | bsdi* | kopensolaris*-gnu | nacl], [
+ if test "$rb_cv_binary_elf" = no; then
+ with_dln_a_out=yes
+ else
+ LDFLAGS="$LDFLAGS -rdynamic"
+ fi])
+LIBEXT=a
+
+AC_SUBST(DLDFLAGS)dnl
+AC_SUBST(ARCH_FLAG)dnl
+
+AC_SUBST(STATIC)dnl
+AC_SUBST(CCDLFLAGS)dnl
+AC_SUBST(LDSHARED)dnl
+AC_SUBST(LDSHAREDXX)dnl
+AC_SUBST(DLEXT)dnl
+AC_SUBST(DLEXT2)dnl
+AC_SUBST(LIBEXT)dnl
+AC_SUBST(ASMEXT, S)dnl
+
+STATIC=
+: ${PATHFLAG=''}
+
+if test "$with_dln_a_out" != yes; then
+ rb_cv_dlopen=unknown
+ AC_MSG_CHECKING(whether OS depend dynamic link works)
+ if test "$GCC" = yes; then
+ AS_CASE(["$target_os"],
+ [darwin*], [
+ # The -fno-common is needed if we wish to embed the Ruby interpreter
+ # into a plugin module of some project (as opposed to embedding it
+ # within the project's application). The -I/usr/local/include is
+ # needed because CPP as discovered by configure (cc -E -traditional)
+ # fails to consult /usr/local/include by default. This causes
+ # mkmf.rb's have_header() to fail if the desired resource happens to be
+ # installed in the /usr/local tree.
+ RUBY_APPEND_OPTION(CCDLFLAGS, -fno-common)],
+ [bsdi*|beos*|haiku*|cygwin*|mingw*|aix*|interix*], [ ],
+ [
+ RUBY_APPEND_OPTION(CCDLFLAGS, -fPIC)])
+ else
+ AS_CASE(["$target_os"],
+ [hpux*], [CCDLFLAGS="$CCDLFLAGS +Z"],
+ [solaris*|irix*], [CCDLFLAGS="$CCDLFLAGS -KPIC"],
+ [sunos*], [CCDLFLAGS="$CCDLFLAGS -PIC"],
+ [esix*|uxpds*], [CCDLFLAGS="$CCDLFLAGS -KPIC"],
+ [: ${CCDLFLAGS=""}])
+ fi
+
+
+ AC_ARG_ENABLE(rpath,
+ AS_HELP_STRING([--enable-rpath], [embed run path into extension libraries.
+ enabled by default on ELF platforms]),
+ [enable_rpath=$enableval], [enable_rpath="$rb_cv_binary_elf"])
+
+ AS_CASE(["$target_os"],
+ [hpux*], [ DLDFLAGS="$DLDFLAGS -E"
+ : ${LDSHARED='$(LD) -b'}
+ XLDFLAGS="$XLDFLAGS -Wl,-E"
+ : ${LIBPATHENV=SHLIB_PATH}
+ if test "$rb_cv_prog_gnu_ld" = no; then
+ RPATHFLAG=' +b %1$-s'
+ fi
+ rb_cv_dlopen=yes],
+ [solaris*], [ if test "$GCC" = yes; then
+ : ${LDSHARED='$(CC) -shared'}
+ if test "$rb_cv_prog_gnu_ld" = yes; then
+ LDFLAGS="$LDFLAGS -Wl,-E"
+ fi
+ else
+ : ${LDSHARED='$(CC) -G'}
+ fi
+ if test "$ac_cv_sizeof_voidp" = 8; then
+ : ${LIBPATHENV=LD_LIBRARY_PATH_64}
+ fi
+ rb_cv_dlopen=yes],
+ [sunos*], [ : ${LDSHARED='$(LD) -assert nodefinitions'}
+ rb_cv_dlopen=yes],
+ [irix*], [ : ${LDSHARED='$(LD) -shared'}
+ rb_cv_dlopen=yes],
+ [sysv4*], [ : ${LDSHARED='$(LD) -G'}
+ rb_cv_dlopen=yes],
+ [nto-qnx*], [ : ${LDSHARED='$(CC) -shared'}
+ rb_cv_dlopen=yes],
+ [esix*|uxpds*], [ : ${LDSHARED='$(LD) -G'}
+ rb_cv_dlopen=yes],
+ [osf*], [ : ${LDSHARED='$(LD) -shared -expect_unresolved "*"'}
+ rb_cv_dlopen=yes],
+ [bsdi3*], [ AS_CASE(["$CC"],
+ [*shlicc*], [ : ${LDSHARED='$(CC) -r'}
+ rb_cv_dlopen=yes])],
+ [linux* | gnu* | k*bsd*-gnu | netbsd* | bsdi* | kopensolaris*-gnu], [
+ : ${LDSHARED='$(CC) -shared'}
+ if test "$rb_cv_binary_elf" = yes; then
+ LDFLAGS="$LDFLAGS -Wl,-export-dynamic"
+ fi
+ rb_cv_dlopen=yes],
+ [interix*], [ : ${LDSHARED='$(CC) -shared'}
+ XLDFLAGS="$XLDFLAGS -Wl,-E"
+ LIBPATHFLAG=" -L%1\$-s"
+ rb_cv_dlopen=yes],
+ [freebsd*|dragonfly*], [
+ : ${LDSHARED='$(CC) -shared'}
+ if test "$rb_cv_binary_elf" = yes; then
+ LDFLAGS="$LDFLAGS -rdynamic"
+ DLDFLAGS="$DLDFLAGS "'-Wl,-soname,$@'
+ else
+ test "$GCC" = yes && test "$rb_cv_prog_gnu_ld" = yes || LDSHARED='$(LD) -Bshareable'
+ fi
+ rb_cv_dlopen=yes],
+ [openbsd*|mirbsd*], [ : ${LDSHARED='$(CC) -shared ${CCDLFLAGS}'}
+ if test "$rb_cv_binary_elf" = yes; then
+ LDFLAGS="$LDFLAGS -Wl,-E"
+ fi
+ rb_cv_dlopen=yes],
+ [darwin*], [ : ${LDSHARED='$(CC) -dynamic -bundle'}
+ : ${LDFLAGS=""}
+ : ${LIBPATHENV=DYLD_LIBRARY_PATH}
+ # /usr/local/include is always searched for
+ # some reason, but /usr/local/lib is not.
+ hdr=`find /usr/local/include -name \*.h -type f | sed 's:^/usr/local/include/::;q'`
+ if test -n "$hdr" && $CC -E -include "$hdr" -xc - </dev/null 2>/dev/null | fgrep -q "$hdr"; then
+ $CC -print-search-dirs | grep -q '^libraries:.*:/usr/local/lib/*' ||
+ echo " $LDFLAGS " | grep -q ' -L */usr/local/lib/* ' ||
+ LDFLAGS="${LDFLAGS:+$LDFLAGS }-L/usr/local/lib"
+ fi
+ rb_cv_dlopen=yes],
+ [aix*], [ : ${LDSHARED='$(CC)'}
+ LDSHARED="$LDSHARED ${linker_flag}-G"
+ EXTDLDFLAGS='-e$(TARGET_ENTRY)'
+ XLDFLAGS="${linker_flag}"'-bE:$(ARCHFILE)'" ${linker_flag}-brtl"
+ XLDFLAGS="$XLDFLAGS ${linker_flag}-blibpath:${prefix}/lib:${LIBPATH:-/usr/lib:/lib}"
+ : ${ARCHFILE="ruby.imp"}
+ TRY_LINK='$(CC) $(LDFLAGS) -oconftest $(INCFLAGS) -I$(hdrdir) $(CPPFLAGS)'
+ TRY_LINK="$TRY_LINK"' $(CFLAGS) $(src) $(LIBPATH) $(LOCAL_LIBS) $(LIBS)'
+ : ${LIBPATHENV=LIBPATH}
+ RPATHFLAG=" ${linker_flag}-blibpath:%1\$-s:${prefix}/lib:${LIBPATH:-/usr/lib:/lib}"
+ rb_cv_dlopen=yes],
+ [beos*], [ AS_CASE(["$target_cpu"],
+ [powerpc*], [
+ : ${LDSHARED='$(LD) -xms'}
+ EXTDLDFLAGS='-export $(TARGET_ENTRY)'
+ DLDFLAGS="$DLDFLAGS -lbe -lroot glue-noinit.a init_term_dyn.o start_dyn.o"
+ LDFLAGS="$LDFLAGS -L/boot/home/config/lib -lbe -lroot"
+ ],
+ [i586*], [
+ : ${LDSHARED='$(LD) -shared'}
+ DLDFLAGS="$DLDFLAGS -L/boot/develop/lib/x86 -L/boot/home/config/lib \$(topdir)/_APP_ -lroot"
+ LDFLAGS="$LDFLAGS -L/boot/develop/lib/x86 -L/boot/home/config/lib -lroot"
+ ])
+ : ${LIBPATHENV=LIBRARY_PATH}
+ rb_cv_dlopen=yes],
+ [haiku*], [ AS_CASE(["$target_cpu"],
+ [powerpc*], [
+ : ${LDSHARED='$(LD) -xms'}
+ EXTDLDFLAGS='-export $(TARGET_ENTRY)'
+ DLDFLAGS="$DLDFLAGS -lroot glue-noinit.a init_term_dyn.o start_dyn.o"
+ ],
+ [i586*], [
+ : ${LDSHARED='$(CC) -shared'}
+ ])
+ : ${LIBPATHENV=LIBRARY_PATH}
+ rb_cv_dlopen=yes ],
+ [nto-qnx*], [ DLDFLAGS="$DLDFLAGS -L/lib -L/usr/lib -L/usr/local/lib"
+ : ${LDSHARED='$(LD) -Bshareable -x'}
+ LDFLAGS="$LDFLAGS -L/lib -L/usr/lib -L/usr/local/lib"
+ rb_cv_dlopen=yes],
+ [cygwin*|mingw*], [
+ : ${LDSHARED='$(CC) -shared $(if $(filter-out -g -g0,$(debugflags)),,-s)'}
+ XLDFLAGS="$XLDFLAGS -Wl,--stack,0x00200000,--enable-auto-import"
+ DLDFLAGS="${DLDFLAGS} -Wl,--enable-auto-image-base,--enable-auto-import"
+ : ${LIBPATHENV=""}
+ rb_cv_dlopen=yes],
+ [hiuxmpp], [ : ${LDSHARED='$(LD) -r'}],
+ [atheos*], [ : ${LDSHARED='$(CC) -shared'}
+ rb_cv_dlopen=yes],
+ [os2-emx*], [ LDFLAGS="$LDFLAGS -Zomf"
+ ],
+ [nacl], [ LDSHARED='$(CC) -shared' ],
+ [ : ${LDSHARED='$(LD)'}])
+ AC_MSG_RESULT($rb_cv_dlopen)
+
+ if test "$rb_cv_dlopen" = yes; then
+ AS_CASE(["$target_os"],
+ [darwin*], [
+ for flag in \
+ "-undefined dynamic_lookup" \
+ "-multiply_defined suppress" \
+ ; do
+ test "x${linker_flag}" = x || flag="${linker_flag}`echo ${flag} | tr ' ' ,`"
+ RUBY_TRY_LDFLAGS([$flag], [], [flag=])
+ if test "x$flag" != x; then
+ RUBY_APPEND_OPTIONS(DLDFLAGS, [$flag])
+ fi
+ done
+ ])
+ fi
+
+ if test "$enable_rpath" = yes; then
+ if test x"${RPATHFLAG}" = x; then
+ for rpathflag in -R "-rpath "; do
+ AS_CASE("$rpathflag",
+ [*" "], [AS_CASE(["${linker_flag}"],
+ [*,], [rpathflag=`echo "$rpathflag" | tr ' ' ,`])])
+ rpathflag="${linker_flag}${rpathflag}"
+ RUBY_TRY_LDFLAGS([${rpathflag}.], [], [rpathflag=])
+ if test "x${rpathflag}" != x; then
+ RPATHFLAG=" ${rpathflag}%1\$-s"
+ break
+ fi
+ done
+ fi
+ fi
+fi
+if test "${LDSHAREDXX}" = ""; then
+ AS_CASE(["${LDSHARED}"],
+ [*'$(CC)'*], [
+ LDSHAREDXX=`echo "${LDSHARED}" | sed 's/\$(CC)/$(CXX)/'`
+ ],
+ [*'${CC}'*], [
+ LDSHAREDXX=`echo "${LDSHARED}" | sed 's/\${CC}/${CXX}/'`
+ ],
+ [*$CC*], [
+ LDSHAREDXX=`echo "${LDSHARED}" | sed "s|$CC|$CXX|"`
+ ],
+ [ld" "*], [
+ ])
+fi
+AS_CASE([${RPATHFLAG}],[*'%1$'*],[: ${LIBPATHFLAG=' -L%1$-s'}],[: ${LIBPATHFLAG=' -L%s'}])
+
+AC_SUBST(LINK_SO)
+AC_SUBST(LIBPATHFLAG)
+AC_SUBST(RPATHFLAG)
+AC_SUBST(LIBPATHENV, "${LIBPATHENV-LD_LIBRARY_PATH}")
+AC_SUBST(TRY_LINK)
+
+if test "x$OPT_DIR" != x; then
+ pat=`echo "${LDFLAGS_OPTDIR}" | sed ['s/[][\\.*|]/\\\\&/']`
+ LDFLAGS=`echo "${LDFLAGS}" | sed "s| ${pat}||"`
+ val=`IFS="$PATH_SEPARATOR"
+ for dir in $OPT_DIR; do
+ echo x ${LIBPATHFLAG} ${RPATHFLAG} |
+ sed "s/^x *//;s${IFS}"'%1\\$-s'"${IFS}${dir}/lib${IFS}g;s${IFS}%s${IFS}${dir}/lib${IFS}g"
+ done | tr '\012' ' '`
+ test x"${LDFLAGS}" = x || LDFLAGS="$LDFLAGS "
+ LDFLAGS="$LDFLAGS$val"
+ test x"${DLDFLAGS}" = x || DLDFLAGS="$DLDFLAGS "
+ DLDFLAGS="$DLDFLAGS$val"
+ LDFLAGS_OPTDIR="$val"
+fi
+
+AS_CASE(["$target_os"],
+[freebsd*], [
+ AC_CHECK_LIB([procstat], [procstat_open_sysctl])
+ if test "x$ac_cv_lib_procstat_procstat_open_sysctl" = xyes; then
+ AC_CHECK_FUNCS(procstat_getvmmap)
+ fi
+ ])
+AS_CASE(["$target_cpu-$target_os"],
+[*-darwin*], [
+ AC_CHECK_HEADERS([execinfo.h])
+ if test "x$ac_cv_header_execinfo_h" = xyes; then
+ AC_CHECK_LIB([execinfo], [backtrace])
+ fi],
+[*-freebsd*|x86_64-netbsd*], [
+ AC_CHECK_HEADERS([execinfo.h])
+ if test "x$ac_cv_header_execinfo_h" = xyes; then
+ AC_CHECK_LIB([execinfo], [backtrace])
+ AC_CHECK_LIB([unwind], [unw_backtrace])
+ fi])
+AC_CHECK_FUNCS(backtrace)
+
+if test "x$ac_cv_func_backtrace" = xyes; then
+ AC_CACHE_CHECK(for broken backtrace, rb_cv_broken_backtrace,
+ [AC_TRY_RUN([
+#include <unistd.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <string.h>
+#include <signal.h>
+#include <execinfo.h>
+
+#define TRACE_SIZE 256
+
+void sigsegv(int signum, siginfo_t *info, void *ctx){
+ void *trace[TRACE_SIZE];
+ int n = backtrace(trace, TRACE_SIZE);
+ if (n > 0) {
+ /*fprintf(stdout, "backtrace:%d\n",n);*/
+ } else {
+ _exit(EXIT_FAILURE);
+ }
+ _exit(EXIT_SUCCESS);
+}
+int
+main(void)
+{
+ volatile int *a = NULL;
+ stack_t ss;
+ ss.ss_sp = malloc(SIGSTKSZ);
+ if (ss.ss_sp == NULL) {
+ fprintf(stderr, "cannot allocate memory for sigaltstack\n");
+ return EXIT_FAILURE;
+ }
+ ss.ss_size = SIGSTKSZ;
+ ss.ss_flags = 0;
+ if (sigaltstack(&ss, NULL) == -1) {
+ fprintf(stderr, "sigaltstack failed\n");
+ return EXIT_FAILURE;
+ }
+ struct sigaction sa;
+ memset(&sa, 0, sizeof(struct sigaction));
+ sigemptyset(&sa.sa_mask);
+ sa.sa_sigaction = sigsegv;
+ sa.sa_flags |= SA_SIGINFO;
+ sa.sa_flags |= SA_ONSTACK;
+ sigaction(SIGSEGV, &sa, NULL);
+ a[0] = 1;
+ return EXIT_SUCCESS;
+}
+],
+ rb_cv_broken_backtrace=no,
+ rb_cv_broken_backtrace=yes,
+ rb_cv_broken_backtrace=no)])
+ if test "$rb_cv_broken_backtrace" = yes; then
+ AC_DEFINE(BROKEN_BACKTRACE, 1)
+ fi
+fi
+
+AC_ARG_WITH(valgrind,
+ AS_HELP_STRING([--without-valgrind],[disable valgrind memcheck support]),
+ [], with_valgrind=yes)
+AS_IF([test x$with_valgrind != xno],
+ [AC_CHECK_HEADERS(valgrind/memcheck.h)])
+
+dln_a_out_works=no
+if test "$ac_cv_header_a_out_h" = yes; then
+ if test "$with_dln_a_out" = yes || test "$rb_cv_dlopen" = unknown; then
+ cat confdefs.h > config.h
+ AC_CACHE_CHECK(whether matz's dln works, rb_cv_dln_a_out,
+ [AC_TRY_COMPILE([
+#define USE_DLN_A_OUT
+#include "dln.c"
+],
+ [],
+ rb_cv_dln_a_out=yes,
+ rb_cv_dln_a_out=no)])
+ if test "$rb_cv_dln_a_out" = yes; then
+ dln_a_out_works=yes
+ AC_DEFINE(USE_DLN_A_OUT)
+ fi
+ fi
+fi
+
+if test "$dln_a_out_works" = yes; then
+ if test "$GCC" = yes; then
+ STATIC=-static
+ else
+ STATIC=-Bstatic
+ fi
+ DLEXT=so
+ CCDLFLAGS=
+else
+ AS_CASE(["$target_os"],
+ [hpux*], [
+ DLEXT=sl],
+ [darwin*], [
+ RUBY_APPEND_OPTION(XLDFLAGS, [-Wl,-u,_objc_msgSend])
+ DLEXT=bundle],
+ [os2-emx*], [
+ LOAD_RELATIVE=1
+ DLEXT=dll],
+ [cygwin*|mingw*|*djgpp*], [
+ LOAD_RELATIVE=1
+ DLEXT=so],
+ [
+ DLEXT=so])
+fi
+if test "$rb_cv_dlopen:$load_relative" = yes:yes; then
+ if test "$ac_cv_func_dladdr" = yes; then
+ LOAD_RELATIVE=1
+ fi
+fi
+if test x"$LOAD_RELATIVE" = x1; then
+ load_relative=yes
+else
+ unset load_relative
+fi
+
+len=2 # .rb
+n=`expr "$DLEXT" : '.*'`; test "$n" -gt "$len" && len=$n
+n=`expr "$DLEXT2" : '.*'`; test "$n" -gt "$len" && len=$n
+AC_DEFINE_UNQUOTED(DLEXT_MAXLEN, `expr $len + 1`)
+test ".$DLEXT" = "." || AC_DEFINE_UNQUOTED(DLEXT, ".$DLEXT")
+test ".$DLEXT2" = "." || AC_DEFINE_UNQUOTED(DLEXT2, ".$DLEXT2")
+AC_SUBST(DLEXT)
+
+if test "$with_dln_a_out" = yes; then
+ STRIP=true
+else
+ AC_CHECK_TOOL(STRIP, strip, :)dnl
+fi
+
+AS_CASE(["$target_os"],
+ [linux* | gnu* | k*bsd*-gnu | kopensolaris*-gnu], [
+ STRIP="$STRIP -S -x"],
+ [darwin*], [
+ STRIP="$STRIP -A -n"])
+
+AC_ARG_WITH(ext,
+ AC_HELP_STRING([--with-ext=EXTS],
+ [pass to --with-ext option of extmk.rb]))
+AC_ARG_WITH(out-ext,
+ AC_HELP_STRING([--with-out-ext=EXTS],
+ [pass to --without-ext option of extmk.rb]))
+EXTSTATIC=
+AC_SUBST(EXTSTATIC)dnl
+AC_ARG_WITH(static-linked-ext,
+ AS_HELP_STRING([--with-static-linked-ext], [link external modules statically]),
+ [AS_CASE([$withval],[yes],[STATIC=;EXTSTATIC=static],[no],[],[EXTSTATIC="$withval"])])
+AS_CASE([",$EXTSTATIC,"], [,static,|*,enc,*], [
+ ENCOBJS='enc/encinit.$(OBJEXT) enc/libenc.$(LIBEXT) enc/libtrans.$(LIBEXT)'
+ EXTOBJS='ext/extinit.$(OBJEXT)'
+ AC_DEFINE_UNQUOTED(EXTSTATIC, 1)
+ AC_SUBST(ENCSTATIC, static)
+], [
+ ENCOBJS='dmyenc.$(OBJEXT)'
+ EXTOBJS='dmyext.$(OBJEXT)'
+])
+AC_SUBST(ENCOBJS)
+AC_SUBST(EXTOBJS)
+
+AC_ARG_WITH(setup,
+ AS_HELP_STRING([--with-setup=SETUP], [use extension libraries setup]),
+ [setup=$withval])
+if test -n "$setup"; then
+ if ! test -f "ext/$setup" -o -f "$srcdir/ext/$setup"; then
+ AC_MSG_ERROR(Setup file $setup not found under ext or $srcdir/ext)
+ fi
+elif test -f "$srcdir/ext/Setup.$target_os"; then
+ setup="Setup.$target_os"
+else
+ setup=
+ for file in "$srcdir"/ext/Setup.*; do
+ AS_CASE(["$file"], [*~|*.bak|*.orig|*.rej|*.tmp], [continue])
+ setup=`basename "$file"`
+ AS_CASE(["$target_os"], [`expr "$setup" : 'Setup.\(.*\)'`*], [break])
+ platform=`sed '/^option *platform */!d;s///;s/|/*|/g;q' "$file"`
+ if test "x$platform" != x; then
+ eval "AS_CASE([\"\$target_os\"], [$platform*], [break])"
+ fi
+ setup=
+ done
+ : ${setup:=Setup}
+fi
+AC_SUBST(setup)
+
+rubylibprefix='${libdir}/${RUBY_BASE_NAME}'
+AC_ARG_WITH(rubylibprefix,
+ AS_HELP_STRING([--with-rubylibprefix=DIR], [prefix for ruby libraries [[LIBDIR/RUBY_BASE_NAME]]]),
+ [if test "x$withval" = xno; then
+ AC_MSG_ERROR([No ruby, No libprefix])
+ fi
+ rubylibprefix="$withval"])
+AC_SUBST(rubylibprefix)
+
+if test x"${exec_prefix}" != xNONE; then
+ RUBY_EXEC_PREFIX="$exec_prefix"
+elif test x"$prefix" != xNONE; then
+ RUBY_EXEC_PREFIX="$prefix"
+else
+ RUBY_EXEC_PREFIX=$ac_default_prefix
+fi
+pat=`echo "${RUBY_EXEC_PREFIX}" | tr -c '\012' .`'\(.*\)'
+for var in bindir libdir rubylibprefix; do
+ eval val='"$'$var'"'
+ AS_CASE(["$val"], ["${RUBY_EXEC_PREFIX}"*], [val='${exec_prefix}'"`expr \"$val\" : \"$pat\"`"])
+ eval $var='"$val"'
+done
+
+BTESTRUBY='$(MINIRUBY)'
+if test x"$cross_compiling" = xyes; then
+ test x"$MINIRUBY" = x && MINIRUBY="${RUBY-$BASERUBY} -I`$CHDIR .; pwd` "-r'$(arch)-fake'
+ XRUBY_LIBDIR=`${RUBY-$BASERUBY} -rrbconfig -e ['puts RbConfig::CONFIG["libdir"]']`
+ XRUBY_RUBYLIBDIR=`${RUBY-$BASERUBY} -rrbconfig -e ['puts RbConfig::CONFIG["rubylibdir"]']`
+ XRUBY_RUBYHDRDIR=`${RUBY-$BASERUBY} -rrbconfig -e ['puts RbConfig::CONFIG["rubyhdrdir"]']`
+ AC_SUBST(XRUBY_LIBDIR)
+ AC_SUBST(XRUBY_RUBYLIBDIR)
+ AC_SUBST(XRUBY_RUBYHDRDIR)
+ PREP='$(arch)-fake.rb'
+ RUNRUBY_COMMAND='$(MINIRUBY) -I`cd $(srcdir)/lib; pwd`'
+ RUNRUBY='$(RUNRUBY_COMMAND)'
+ XRUBY='$(MINIRUBY)'
+ TEST_RUNNABLE=no
+ CROSS_COMPILING=yes
+
+ if test "$host_os" = "nacl"; then
+ if test "$build_cpu" = "$host_cpu" || test "${nacl_cv_cpu_nick}" = "x86" -a "$host_cpu" = "i686"; then
+ nacl_cv_sel_ldr='`$(MINIRUBY) $(srcdir)/nacl/nacl-config.rb sel_ldr`'
+ nacl_cv_irt_core='`$(MINIRUBY) $(srcdir)/nacl/nacl-config.rb irt_core`'
+ nacl_cv_runnable_ld='`$(MINIRUBY) $(srcdir)/nacl/nacl-config.rb runnable_ld`'
+ nacl_cv_host_lib='`$(MINIRUBY) $(srcdir)/nacl/nacl-config.rb host_lib`'
+ TEST_RUNNABLE=yes
+ BTESTRUBY="${nacl_cv_sel_ldr} -a -B ${nacl_cv_irt_core} -w 1:3 -w 2:4"
+ BTESTRUBY="$BTESTRUBY -- ${nacl_cv_runnable_ld} --library-path ${nacl_cv_host_lib}"
+ BTESTRUBY="$BTESTRUBY `pwd`/"'miniruby$(EXEEXT) -I`cd $(srcdir)/lib; pwd` -I.'
+ BTESTRUBY="$BTESTRUBY"' -I$(EXTOUT)/common 3>&1 4>&2 1>/dev/null 2>/dev/null '
+ fi
+ fi
+else
+ MINIRUBY='./miniruby$(EXEEXT) -I$(srcdir)/lib -I.'
+ MINIRUBY="$MINIRUBY"' -I$(EXTOUT)/common'
+ PREP='miniruby$(EXEEXT)'
+ RUNRUBY_COMMAND='$(MINIRUBY) $(srcdir)/tool/runruby.rb --extout=$(EXTOUT) $(RUNRUBYOPT)'
+ RUNRUBY='$(RUNRUBY_COMMAND) --'
+ XRUBY='$(RUNRUBY)'
+ TEST_RUNNABLE=yes
+ CROSS_COMPILING=no
+fi
+AC_SUBST(TEST_RUNNABLE)
+AC_SUBST(CROSS_COMPILING)
+AC_SUBST(MINIRUBY)
+AC_SUBST(BTESTRUBY)
+AC_SUBST(PREP)
+AC_SUBST(RUNRUBY_COMMAND)
+AC_SUBST(RUNRUBY)
+AC_SUBST(XRUBY)
+AC_SUBST(EXTOUT, [${EXTOUT=.ext}])
+
+FIRSTMAKEFILE=""
+LIBRUBY_A='lib$(RUBY_SO_NAME)-static.a'
+LIBRUBY='$(LIBRUBY_A)'
+LIBRUBYARG_STATIC='-l$(RUBY_SO_NAME)-static'
+LIBRUBYARG='$(LIBRUBYARG_STATIC)'
+SOLIBS=
+
+AS_CASE(["$target_os"],
+ [cygwin*|mingw*|beos*|haiku*|darwin*|os2-emx*], [
+ : ${DLDLIBS=""}
+ ],
+ [
+ DLDLIBS="$DLDLIBS -lc"
+ ])
+
+AC_ARG_ENABLE(multiarch,
+ AS_HELP_STRING([--enable-multiarch], [enable multiarch compatible directories]),
+ [multiarch=], [unset multiarch])
+if test ${multiarch+set}; then
+ AC_DEFINE(ENABLE_MULTIARCH)
+fi
+
+archlibdir='${libdir}/${arch}'
+sitearchlibdir='${libdir}/${sitearch}'
+archincludedir='${includedir}/${arch}'
+sitearchincludedir='${includedir}/${sitearch}'
+
+AC_ARG_WITH(soname,
+ AS_HELP_STRING([--with-soname=SONAME], [base name of shared library]),
+ [RUBY_SO_NAME=$withval], [RUBY_SO_NAME='$(RUBY_BASE_NAME)'])
+
+LIBRUBY_LDSHARED=$LDSHARED
+LIBRUBY_DLDFLAGS=$DLDFLAGS
+LIBRUBY_SO='lib$(RUBY_SO_NAME).so.$(MAJOR).$(MINOR).$(TEENY)'
+LIBRUBY_ALIASES='lib$(RUBY_SO_NAME).so'
+ENABLE_SHARED=no
+
+AC_ARG_ENABLE(shared,
+ AS_HELP_STRING([--enable-shared], [build a shared library for Ruby]),
+ [enable_shared=$enableval])
+libprefix=${multiarch+'$(archlibdir)'}${multiarch-'$(libdir)'}
+LIBRUBY_RELATIVE=${load_relative-no}
+AS_CASE("$enable_shared", [yes], [
+ LIBRUBY='$(LIBRUBY_SO)'
+ LIBRUBYARG_SHARED='-l$(RUBY_SO_NAME)'
+ LIBRUBYARG='$(LIBRUBYARG_SHARED)'
+ LIBRUBY_RELATIVE=no
+ test -z "$CCDLFLAGS" || CFLAGS="$CFLAGS $CCDLFLAGS"
+ ENABLE_SHARED=yes
+ if test "$rb_cv_binary_elf" = yes; then
+ SOLIBS='$(LIBS)'
+ fi
+
+ # libdir can be overridden in config.site file (on OpenSUSE at least).
+ libdir_basename=lib
+ if test "$bindir" = '${exec_prefix}/bin'; then
+ AS_CASE(["$libdir"], ['${exec_prefix}/'*], [libdir_basename=`basename "$libdir"`])
+ fi
+ AC_DEFINE_UNQUOTED(LIBDIR_BASENAME, ["${libdir_basename}"])
+ libdir_basename="${libdir_basename}"${multiarch+'/${arch}'}
+
+ AS_CASE(["$target_os"],
+ [freebsd*|dragonfly*], [],
+ [
+ if test "$GCC" = yes; then
+ RUBY_TRY_LDFLAGS([${linker_flag}--no-undefined], [no_undefined=yes], [no_undefined=no])
+ if test "no_undefined" = yes; then
+ RUBY_APPEND_OPTION(EXTLDFLAGS, [${linker_flag}--no-undefined])
+ fi
+ fi
+ ])
+
+ AS_CASE(["$target_os"],
+ [sunos4*], [
+ LIBRUBY_ALIASES='lib$(RUBY_SO_NAME).so.$(MAJOR).$(MINOR) lib$(RUBY_SO_NAME).so'
+ ],
+ [linux* | gnu* | k*bsd*-gnu | atheos* | kopensolaris*-gnu], [
+ LIBRUBY_DLDFLAGS='-Wl,-soname,lib$(RUBY_SO_NAME).so.$(MAJOR).$(MINOR)'" $LDFLAGS_OPTDIR"
+ LIBRUBY_ALIASES='lib$(RUBY_SO_NAME).so.$(MAJOR).$(MINOR) lib$(RUBY_SO_NAME).so'
+ if test "$load_relative" = yes; then
+ libprefix="'\$\${ORIGIN}/../${libdir_basename}'"
+ LIBRUBY_RPATHFLAGS="-Wl,-rpath,${libprefix}"
+ LIBRUBY_RELATIVE=yes
+ fi
+ ],
+ [freebsd*|dragonfly*], [
+ SOLIBS='$(LIBS)'
+ LIBRUBY_SO='lib$(RUBY_SO_NAME).so.$(MAJOR)$(MINOR)'
+ if test "$rb_cv_binary_elf" != "yes" ; then
+ LIBRUBY_SO="$LIBRUBY_SO.\$(TEENY)"
+ LIBRUBY_ALIASES=''
+ fi
+ ],
+ [netbsd*], [
+ SOLIBS='$(LIBS)'
+ LIBRUBY_SO='lib$(RUBY_SO_NAME).so.$(MAJOR)$(MINOR).$(TEENY)'
+ LIBRUBY_DLDFLAGS='-Wl,-soname,lib$(RUBY_SO_NAME).so.$(MAJOR)$(MINOR)'" $LDFLAGS_OPTDIR"
+ if test "$rb_cv_binary_elf" = yes; then # ELF platforms
+ LIBRUBY_ALIASES='lib$(RUBY_SO_NAME).so.$(MAJOR)$(MINOR) lib$(RUBY_SO_NAME).so'
+ else # a.out platforms
+ LIBRUBY_ALIASES=""
+ fi
+ ],
+ [openbsd*|mirbsd*], [
+ SOLIBS='$(LIBS)'
+ LIBRUBY_SO='lib$(RUBY_SO_NAME).so.$(MAJOR).'`expr ${MINOR} \* 10 + ${TEENY}`
+ ],
+ [solaris*], [
+ SOLIBS='$(LIBS)'
+ LIBRUBY_SO='lib$(RUBY_SO_NAME).so.$(MAJOR)'
+ LIBRUBY_ALIASES='lib$(RUBY_SO_NAME).so.$(MAJOR).$(MINOR).$(TEENY) lib$(RUBY_SO_NAME).so'
+ if test "$GCC" = yes; then
+ LIBRUBY_DLDFLAGS="$DLDFLAGS "'-Wl,-h,$(@F)'
+ else
+ LIBRUBY_DLDFLAGS="$DLDFLAGS "'-h $(@F)'
+ fi
+ XLDFLAGS="$XLDFLAGS "'-R${libdir}'
+ ],
+ [hpux*], [
+ XLDFLAGS="$XLDFLAGS "'-Wl,+s,+b,$(libdir)'
+ LIBRUBY_SO='lib$(RUBY_SO_NAME).sl.$(MAJOR).$(MINOR).$(TEENY)'
+ LIBRUBY_ALIASES='lib$(RUBY_SO_NAME).sl.$(MAJOR).$(MINOR) lib$(RUBY_SO_NAME).sl'
+ ],
+ [aix*], [
+ LIBRUBY_DLDFLAGS="${linker_flag}-bnoentry $XLDFLAGS $LDFLAGS_OPTDIR"
+ LIBRUBYARG_SHARED='-L${libdir} -l${RUBY_SO_NAME}'
+ SOLIBS='-lm -lc'
+ ],
+ [beos*], [
+ AS_CASE(["$target_cpu"],
+ [powerpc*], [
+ LIBRUBY_DLDFLAGS="-f ruby.exp -lnet -lbe -lroot glue-noinit.a init_term_dyn.o start_dyn.o $LDFLAGS_OPTDIR"
+ ])
+ ],
+ [darwin*], [
+ RUBY_SO_NAME="$RUBY_SO_NAME"'.$(MAJOR).$(MINOR).$(TEENY)'
+ LIBRUBY_LDSHARED='$(CC) -dynamiclib'
+ if test "$load_relative" = yes; then
+ libprefix="@executable_path/../${libdir_basename}"
+ LIBRUBY_RELATIVE=yes
+ fi
+ LIBRUBY_DLDFLAGS="$LIBRUBY_DLDFLAGS "'-install_name '${libprefix}'/$(LIBRUBY_SO)'
+ LIBRUBY_DLDFLAGS="$LIBRUBY_DLDFLAGS "'-current_version $(MAJOR).$(MINOR).$(TEENY)'
+ LIBRUBY_DLDFLAGS="$LIBRUBY_DLDFLAGS "'-compatibility_version $(ruby_version)'
+ if test "$visibility_option" = ld; then
+ LIBRUBY_DLDFLAGS="$LIBRUBY_DLDFLAGS "'-Wl,-unexported_symbol,_Init_*'
+ LIBRUBY_DLDFLAGS="$LIBRUBY_DLDFLAGS "'-Wl,-unexported_symbol,*_threadptr_*'
+ fi
+ LIBRUBY_DLDFLAGS="$LIBRUBY_DLDFLAGS "' $(XLDFLAGS)'
+ LIBRUBY_SO='lib$(RUBY_SO_NAME).dylib'
+ LIBRUBY_ALIASES='lib$(RUBY_BASE_NAME).$(MAJOR).$(MINOR).dylib lib$(RUBY_INSTALL_NAME).dylib'
+ SOLIBS='$(LIBS)'
+ ],
+ [interix*], [
+ LIBRUBYARG_SHARED='-L. -L${libdir} -l$(RUBY_SO_NAME)'
+ ],
+ [mingw*|cygwin*|mswin*], [
+ LIBRUBY_RELATIVE=yes
+ ])
+], [
+ LIBRUBYARG_SHARED=
+
+ # enable PIE if possible
+ AC_ARG_ENABLE(pie,
+ AS_HELP_STRING([--disable-pie], [disable PIE feature]),
+ [pie=$enableval], [pie=])
+ AS_CASE(["$target_os"],
+ [haiku], [
+ # gcc supports PIE, but doesn't work correctly in Haiku
+ pie=no
+ ],
+ [nacl], [
+ # -pie implies -shared for NaCl.
+ pie=no
+ ])
+ if test "$GCC" = yes -a -z "$EXTSTATIC" -a "x$pie" != xno; then
+ RUBY_TRY_CFLAGS(-fPIE, [pie=yes], [pie=no])
+ if test "$pie" = yes; then
+ # Use -fPIE when testing -pie. RUBY_TRY_LDFLAGS sets
+ # $save_CFLAGS internally, so set other name here.
+ save_CFLAGS_before_pie="$CFLAGS"
+ CFLAGS="$CFLAGS -fPIE"
+
+ # gcc need -pie but clang need -Wl,-pie.
+ for pie in -pie -Wl,-pie; do
+ RUBY_TRY_LDFLAGS([$pie], [], [pie=])
+ if test "x$pie" != x; then
+ RUBY_APPEND_OPTION(XCFLAGS, -fPIE)
+ RUBY_APPEND_OPTION(XLDFLAGS, $pie)
+ break
+ fi
+ done
+ CFLAGS="$save_CFLAGS_before_pie"
+ fi
+ fi
+])
+if test "$enable_rpath" = yes; then
+ test -z "$LIBRUBY_RPATHFLAGS" || LIBRUBY_RPATHFLAGS="$LIBRUBY_RPATHFLAGS "
+ rpathflag="${RPATHFLAG}"
+ AS_CASE(["${cross_compiling}${load_relative}"], [*yes*], [], [rpathflag="$RPATHFLAG$LIBPATHFLAG"])
+ rpathflag=`IFS="$PATH_SEPARATOR"
+ echo x "$rpathflag" |
+ sed "s/^x *//;s${IFS}"'%1\\$-s'"${IFS}${libprefix}${IFS}g;s${IFS}%s${IFS}${libprefix}${IFS}g"
+ `
+ LIBRUBY_RPATHFLAGS="$LIBRUBY_RPATHFLAGS${rpathflag}"
+ LIBRUBYARG_SHARED="$LIBRUBY_RPATHFLAGS $LIBRUBYARG_SHARED"
+ LIBRUBYARG_STATIC="$LIBRUBY_RPATHFLAGS $LIBRUBYARG_STATIC"
+fi
+AC_SUBST(LIBRUBY_RELATIVE)
+
+LDFLAGS="-L. $LDFLAGS"
+AC_SUBST(ARCHFILE)
+
+if test "$EXEEXT" = .exe; then
+ EXECUTABLE_EXTS='".exe",".com",".cmd",".bat"'
+ AC_DEFINE_UNQUOTED(EXECUTABLE_EXTS, $EXECUTABLE_EXTS)
+ EXECUTABLE_EXTS=`echo $EXECUTABLE_EXTS | tr -d '"' | tr , ' '`
+ AC_SUBST(EXECUTABLE_EXTS)
+fi
+
+AC_ARG_ENABLE(dtrace,
+ AS_HELP_STRING([--enable-dtrace],
+ [enable DTrace for tracing inside ruby. enabled by default on systems having dtrace]),
+ [enable_dtrace=$enableval], [enable_dtrace=auto])
+
+if test "${enable_dtrace}" = "auto"; then
+ if test x"$DTRACE" != x -a x"$cross_compiling" != xyes; then
+ RUBY_DTRACE_AVAILABLE()
+ enable_dtrace=$rb_cv_dtrace_available
+ else
+ enable_dtrace=no
+ fi
+fi
+
+LIBRUBY_A_OBJS='$(OBJS)'
+DTRACE_REBUILD=
+if test "${enable_dtrace}" = "yes"; then
+ if test -z "$DTRACE"; then
+ AC_MSG_ERROR([dtrace(1) is missing])
+ elif test "$cross_compiling" = yes; then
+ AC_MSG_ERROR([--enable-dtrace, however, cross compiling])
+ else
+ RUBY_DTRACE_AVAILABLE()
+ enable_dtrace=$rb_cv_dtrace_available
+ if test "${enable_dtrace}" = "no"; then
+ AC_MSG_ERROR([--enable-dtrace, however, USDT is not available])
+ fi
+ RUBY_DTRACE_POSTPROCESS()
+ if test "$rb_cv_prog_dtrace_g" != 'no'; then
+ DTRACE_OBJ='probes.$(OBJEXT)'
+ fi
+ if test "$rb_cv_prog_dtrace_g" = 'rebuild'; then
+ DTRACE_REBUILD=yes
+ LIBRUBY_A_OBJS='$(DTRACE_GLOMMED_OBJ)'
+ fi
+ AS_CASE("${target_os}", [freebsd*], [
+ # FreeBSD's dtrace requires libelf
+ LIBS="-lelf $LIBS"
+ ])
+ fi
+ DTRACE_EXT=d
+else
+ DTRACE_EXT=dmyh
+fi
+AC_SUBST(DTRACE_EXT)
+AC_SUBST(DTRACE_OBJ)
+AC_SUBST(DTRACE_REBUILD)
+AC_SUBST(LIBRUBY_A_OBJS)
+
+RUBY_SETJMP_TYPE
+}
+{ # build section
+
+dnl build rdoc index if requested
+RDOCTARGET=""
+CAPITARGET=""
+AC_ARG_ENABLE(install-doc,
+ AS_HELP_STRING([--disable-install-doc], [do not install neither rdoc indexes nor C API documents during install]),
+ [install_doc=$enableval], [install_doc=yes])
+AC_ARG_ENABLE(install-rdoc,
+ AS_HELP_STRING([--disable-install-rdoc], [do not install rdoc indexes during install]),
+ [install_rdoc=$enableval], [install_rdoc=yes])
+AC_ARG_ENABLE(install-capi,
+ AS_HELP_STRING([--disable-install-capi], [do not install C API documents during install]),
+ [install_capi=$enableval], [install_capi=no])
+
+if test "$install_doc" != no; then
+ if test "$install_rdoc" != no; then
+ RDOCTARGET="rdoc"
+ else
+ RDOCTARGET="nodoc"
+ fi
+ if test "$install_capi" != no -a -n "$DOXYGEN"; then
+ CAPITARGET="capi"
+ else
+ CAPITARGET="nodoc"
+ fi
+else
+ RDOCTARGET="nodoc"
+ CAPITARGET="nodoc"
+fi
+
+AC_SUBST(RDOCTARGET)
+AC_SUBST(CAPITARGET)
+
+AS_CASE(["$RDOCTARGET:$CAPITARGET"],[nodoc:nodoc],[INSTALLDOC=nodoc],[INSTALLDOC=all])
+AC_SUBST(INSTALLDOC)
+
+if test "$rb_with_pthread" = "yes"; then
+ THREAD_MODEL=pthread
+fi
+AC_CACHE_CHECK([for prefix of external symbols], rb_cv_symbol_prefix, [
+ AC_TRY_COMPILE([extern void conftest_external(void) {}], [], [
+ rb_cv_symbol_prefix=`$NM conftest.$ac_objext |
+ sed -n ['/.*T[ ]\([^ ]*\)conftest_external.*/!d;s//\1/p;q']`
+ ],
+ [rb_cv_symbol_prefix=''])
+ test -n "$rb_cv_symbol_prefix" || rb_cv_symbol_prefix=NONE
+])
+SYMBOL_PREFIX="$rb_cv_symbol_prefix"
+test "x$SYMBOL_PREFIX" = xNONE && SYMBOL_PREFIX=''
+DLNOBJ=dln.o
+AC_ARG_ENABLE(dln,
+ AC_HELP_STRING([--disable-dln], [disable dynamic link feature]),
+ [test "$enableval" = yes || DLNOBJ=dmydln.o])
+AC_SUBST(DLNOBJ)
+MINIDLNOBJ=dmydln.o
+
+AS_CASE(["$target_os"],
+ [linux*], [
+ ],
+ [netbsd*], [
+ RUBY_APPEND_OPTION(CFLAGS, -pipe)
+ ],
+ [darwin*], [
+ RUBY_APPEND_OPTION(CFLAGS, -pipe)
+ RUBY_APPEND_OPTION(XLDFLAGS, [-framework CoreFoundation])
+ RUBY_APPEND_OPTION(LIBRUBYARG_STATIC, [-framework CoreFoundation])
+ ],
+ [os2-emx], [
+ AC_LIBOBJ([os2])
+ CFLAGS="$CFLAGS -DOS2"
+ LIBRUBY_A=`echo $LIBRUBY_A | sed 's/^lib//'`
+ LIBRUBY_SO=`echo $LIBRUBY_SO | sed 's/^lib//'`
+ LIBRUBY_ALIASES=`for i in $LIBRUBY_ALIASES; do echo "$i"; done | sed 's/^lib//'`
+ ],
+ [osf*], [
+ if test "$GCC" != "yes" ; then
+ # compile something small: taint.c is fine for this.
+ # the main point is the '-v' flag of 'cc'.
+ AS_CASE(["`cc -v -I. -c main.c -o /tmp/main.o 2>&1`"],
+ [*/gemc_cc*], [ # we have the new DEC GEM CC
+ CFLAGS="$CFLAGS -oldc"
+ ],
+ [ # we have the old MIPS CC
+ ])
+ # cleanup
+ rm -f /tmp/main.o
+ CFLAGS="$CFLAGS -std"
+ fi
+ ],
+ [beos*], [
+ AS_CASE(["$target_cpu"],[powerpc*], [CFLAGS="$CFLAGS -relax_pointers"])
+ CPPFLAGS="$CPPFLAGS -I/boot/home/config/include"
+ ],
+ [cygwin*|mingw*], [
+ RUBY_SO_NAME="${RUBY_SO_NAME}"'$(MAJOR)$(MINOR)$(TEENY)'
+ LIBRUBY_DLDFLAGS="${DLDFLAGS}"' -Wl,--out-implib=$(LIBRUBY)'
+ AS_CASE(["$target_os"],
+ [cygwin*], [
+ if test x"$enable_shared" = xyes; then
+ LIBRUBY_SO='cyg$(RUBY_SO_NAME)'.dll
+ LIBRUBY_DLDFLAGS="${LIBRUBY_DLDFLAGS}"' $(RUBYDEF)'
+ fi
+ ],
+ [mingw*], [
+ RUBY_SO_NAME="${rb_cv_msvcrt}-${RUBY_SO_NAME}"
+ if test x"${target_cpu}" != xi386; then
+ RUBY_SO_NAME="${target_cpu}-${RUBY_SO_NAME}"
+ fi
+ if test x"$enable_shared" = xyes; then
+ LIBRUBY_SO='$(RUBY_SO_NAME)'.dll
+ LIBRUBY_DLDFLAGS="${LIBRUBY_DLDFLAGS}"' $(RUBYDEF)'
+ fi
+ EXPORT_PREFIX=' '
+ DLDFLAGS="${DLDFLAGS}"' $(DEFFILE)'
+ AC_LIBOBJ([win32/win32])
+ AC_LIBOBJ([win32/file])
+ COMMON_LIBS=m
+# COMMON_MACROS="WIN32_LEAN_AND_MEAN="
+ COMMON_HEADERS="winsock2.h windows.h"
+ THREAD_MODEL=win32
+ PLATFORM_DIR=win32
+ ])
+ LIBRUBY_ALIASES=''
+ FIRSTMAKEFILE=GNUmakefile:cygwin/GNUmakefile.in
+ SOLIBS='$(LIBS)'
+ if test x"$enable_shared" = xyes; then
+ LIBRUBY='lib$(RUBY_SO_NAME).dll.a'
+ else
+ LIBRUBY_SO=dummy
+ LIBRUBY='lib$(RUBY_SO_NAME).a'
+ LIBRUBYARG='-l$(RUBY_SO_NAME)'
+ fi
+ ],
+ [hpux*], [
+ AS_CASE(["$YACC"],[*yacc*], [
+ XCFLAGS="$XCFLAGS -DYYMAXDEPTH=300"
+ YACC="$YACC -Nl40000 -Nm40000"
+ ])],
+ [nacl], [
+ FIRSTMAKEFILE=GNUmakefile:nacl/GNUmakefile.in
+ ])
+
+AS_CASE(["$with_gmp: $SOLIBS "], [no:* | *' -lgmp '*|*' $(LIBS) '*], [],
+ [SOLIBS="-lgmp $SOLIBS"])
+
+AS_CASE(["$with_jemalloc: $LIBS "], [no:* | *' -ljemalloc '*], [],
+ [LIBS="-ljemalloc $LIBS"])
+
+MINIOBJS="$MINIDLNOBJ"
+
+AS_CASE(["$THREAD_MODEL"],
+[pthread], [AC_CHECK_HEADERS(pthread.h)],
+[win32], [],
+[""], [AC_MSG_ERROR(thread model is missing)],
+ [AC_MSG_ERROR(unknown thread model $THREAD_MODEL)])
+
+AC_ARG_ENABLE(debug-env,
+ AS_HELP_STRING([--enable-debug-env], [enable RUBY_DEBUG environment variable]),
+ [AC_DEFINE(RUBY_DEBUG_ENV)])
+
+AS_CASE(["$FIRSTMAKEFILE"], [*GNUmakefile:*], [gnumake=yes], [
+ AC_MSG_CHECKING([if ${MAKE-make} is GNU make])
+ mkdir conftest.dir
+ echo "all:; @echo yes" > conftest.dir/GNUmakefile
+ echo "all:; @echo no" > conftest.dir/Makefile
+ gnumake=`(cd conftest.dir; ${MAKE-make})`
+ rm -fr conftest.dir
+ AS_CASE(["$gnumake"],
+ [*yes*], [
+ FIRSTMAKEFILE=GNUmakefile:template/GNUmakefile.in
+ gnumake=yes],
+ [
+ gnumake=no])
+ AC_MSG_RESULT($gnumake)
+])
+AS_IF([test "$gnumake" = yes], [ NULLCMD=: ], [
+ AC_MSG_CHECKING([for safe null command for ${MAKE-make}])
+ mkdir conftest.dir
+ NULLCMD=
+ for cmd in : true; do
+ echo 'A=1' > conftest.dir/Makefile
+ echo 'B=$(A:1=@'$cmd')' >> conftest.dir/Makefile
+ echo 'all:; $B 1 2 3 4 5 6 7 8 9' >> conftest.dir/Makefile
+ if (cd conftest.dir; ${MAKE-make} >/dev/null 2>/dev/null); then
+ NULLCMD=$cmd
+ break
+ fi
+ done
+ rm -fr conftest.dir
+ if test -z "$NULLCMD"; then
+ AC_MSG_ERROR(no candidate for safe null command)
+ fi
+ AC_MSG_RESULT($NULLCMD)
+])
+AC_SUBST(NULLCMD)
+
+if test "${universal_binary-no}" = yes ; then
+ AC_CACHE_CHECK([for architecture macros], rb_cv_architecture_macros, [
+ mv confdefs.h confdefs1.h
+ : > confdefs.h
+ AC_TRY_COMPILE([@%:@if defined __`echo ${universal_archnames} |
+ sed 's/=[^ ]*//g;s/ /__ || defined __/g'`__
+@%:@else
+@%:@error
+>>>>>><<<<<<
+@%:@endif], [],
+[
+ rb_cv_architecture_macros=yes
+ mv -f confdefs1.h confdefs.h
+], [
+ rb_cv_architecture_macros=no
+ archflagpat=`eval echo '"'"${ARCH_FLAG}"'"' | sed 's/[[][|.*]]/\\&/g'`
+ new_cflags=`echo "$CFLAGS" | sed "s|$archflagpat"'||'`
+ for archs in ${universal_archnames}; do
+ cpu=${archs@%:@*=}
+ archs=${archs%=*}
+ CFLAGS="$new_cflags -arch $archs"
+ archs="__${archs}__"
+ AC_MSG_CHECKING([for macro ${archs} on ${cpu}])
+ AC_TRY_COMPILE([@%:@ifndef ${archs}
+@%:@error
+@%:@endif], [], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no])])
+ done
+ mv -f confdefs1.h confdefs.h
+ AC_MSG_ERROR([failed])
+ ])])
+ AC_CACHE_CHECK(whether __ARCHITECTURE__ is available, rb_cv_architecture_available,
+ AC_TRY_COMPILE([@%:@include <stdio.h>
+ const char arch[[]] = __ARCHITECTURE__;], [puts(arch);],
+ [rb_cv_architecture_available=yes], [rb_cv_architecture_available=no]))
+fi
+
+if test "$ac_cv_func_memmem" = yes; then
+ AC_CACHE_CHECK(for broken memmem, rb_cv_broken_memmem, [
+ AC_TRY_RUN([
+#include <string.h>
+
+int
+main()
+{
+ char *str = "hogefugafoobar";
+ char *rs = "foo";
+ char *empty = "";
+ char *p;
+
+ p = memmem(str, strlen(str), rs, strlen(rs));
+ if (p == str+8) {
+ p = memmem(str, strlen(str), empty, strlen(empty));
+ if (p == str)
+ return 0;
+ else
+ return 1;
+ }
+ else {
+ return 1;
+ }
+}
+ ],
+ rb_cv_broken_memmem=no,
+ rb_cv_broken_memmem=yes,
+ rb_cv_broken_memmem=yes)
+ ])
+ test x"$rb_cv_broken_memmem" = xyes && ac_cv_func_memmem=no
+fi
+
+
+CPPFLAGS="$CPPFLAGS "'$(DEFS)'
+test -z "$CPPFLAGS" || CPPFLAGS="$CPPFLAGS "; CPPFLAGS="$CPPFLAGS"'${cppflags}'
+if test -n "${cflags+set}"; then
+ cflagspat=`eval echo '"'"${cflags}"'"' | sed 's/[[][|.*]]/\\&/g;s/^ */ /;s/^ *$/ /'`
+ CFLAGS=`echo " $CFLAGS " | sed "s|$cflagspat"'|${cflags}|;s/^ *//;s/ *$//'`
+fi
+if test -n "${cxxflags+set}"; then
+ cxxflagspat=`eval echo '"'"${cxxflags}"'"' | sed 's/[[][|.*]]/\\&/g;s/^ */ /;s/^ *$/ /'`
+ CXXFLAGS=`echo " $CXXFLAGS " | sed "s|$cxxflagspat"'|${cxxflags}|;s/^ *//;s/ *$//'`
+fi
+if test "${ARCH_FLAG}"; then
+ archflagpat=`eval echo '"'"${ARCH_FLAG}"'"' | sed 's/[[][|.*]]/\\&/g'`
+ CFLAGS=`echo "$CFLAGS" | sed "s| *$archflagpat"'||'`
+ CXXFLAGS=`echo "$CXXFLAGS" | sed "s| *$archflagpat"'||'`
+ LDFLAGS=`echo "$LDFLAGS" | sed "s| *$archflagpat"'||'`
+fi
+warnflags="$rb_cv_warnflags"
+AC_SUBST(cppflags)dnl
+AC_SUBST(cflags, ["$orig_cflags "'${optflags} ${debugflags} ${warnflags}'])dnl
+AC_SUBST(cxxflags, ["$orig_cxxflags "'${optflags} ${debugflags} ${warnflags}'])dnl
+AC_SUBST(optflags)dnl
+AC_SUBST(debugflags)dnl
+AC_SUBST(warnflags)dnl
+AC_SUBST(strict_warnflags)dnl
+AC_SUBST(XCFLAGS)dnl
+AC_SUBST(XLDFLAGS)dnl
+AC_SUBST(EXTLDFLAGS)dnl
+AC_SUBST(EXTDLDFLAGS)dnl
+AC_SUBST(LIBRUBY_LDSHARED)
+AC_SUBST(LIBRUBY_DLDFLAGS)
+AC_SUBST(RUBY_INSTALL_NAME)
+AC_SUBST(rubyw_install_name)
+AC_SUBST(RUBYW_INSTALL_NAME)
+AC_SUBST(RUBY_SO_NAME)
+AC_SUBST(LIBRUBY_A)
+AC_SUBST(LIBRUBY_SO)
+AC_SUBST(LIBRUBY_ALIASES)
+AC_SUBST(LIBRUBY)
+AC_SUBST(LIBRUBYARG)
+AC_SUBST(LIBRUBYARG_STATIC)
+AC_SUBST(LIBRUBYARG_SHARED)
+AC_SUBST(SOLIBS)
+AC_SUBST(DLDLIBS)
+AC_SUBST(ENABLE_SHARED)
+AC_SUBST(MAINLIBS)
+AC_SUBST(COMMON_LIBS)
+AC_SUBST(COMMON_MACROS)
+AC_SUBST(COMMON_HEADERS)
+AC_SUBST(EXPORT_PREFIX)
+AC_SUBST(SYMBOL_PREFIX)
+AC_SUBST(MINIOBJS)
+AC_SUBST(THREAD_MODEL)
+AC_SUBST(PLATFORM_DIR)
+
+firstmf=`echo $FIRSTMAKEFILE | sed 's/:.*//'`
+firsttmpl=`echo $FIRSTMAKEFILE | sed 's/.*://'`
+MAKEFILES="Makefile $firstmf"
+MAKEFILES="`echo $MAKEFILES`"
+AC_SUBST(MAKEFILES)
+
+ri_prefix=
+test "$program_prefix" != NONE &&
+ ri_prefix=$program_prefix
+
+ri_suffix=
+test "$program_suffix" != NONE &&
+ ri_suffix=$program_suffix
+
+RUBY_INSTALL_NAME="${ri_prefix}"'$(RUBY_BASE_NAME)'"${ri_suffix}"
+AS_CASE(["$target_os"],
+ [cygwin*|mingw*], [
+ RUBYW_INSTALL_NAME="${ri_prefix}"'$(RUBYW_BASE_NAME)'"${ri_suffix}"
+ rubyw_install_name='$(RUBYW_INSTALL_NAME)'
+ ])
+
+rubylibdir='${rubylibprefix}/${ruby_version}'
+rubyarchdir=${multiarch+'${rubyarchprefix}/${ruby_version}'}${multiarch-'${rubylibdir}/${arch}'}
+
+rubyarchprefix=${multiarch+'${archlibdir}/${RUBY_BASE_NAME}'}${multiarch-'${rubylibprefix}/${arch}'}
+AC_ARG_WITH(rubyarchprefix,
+ AS_HELP_STRING([--with-rubyarchprefix=DIR],
+ [prefix for architecture dependent ruby libraries [[RUBYLIBPREFIX/ARCH]]]),
+ [rubyarchprefix="$withval"])
+AC_SUBST(rubyarchprefix)
+
+rubysitearchprefix=${multiarch+'${sitearchlibdir}/${RUBY_BASE_NAME}'}${multiarch-'${rubylibprefix}/${sitearch}'}
+AC_ARG_WITH(rubysitearchprefix,
+ AS_HELP_STRING([--with-rubysitearchprefix=DIR],
+ [prefix for architecture dependent site libraries [[RUBYLIBPREFIX/SITEARCH]]]),
+ [rubysitearchprefix="$withval"])
+AC_SUBST(rubysitearchprefix)
+
+RI_BASE_NAME=`echo ${RUBY_BASE_NAME} | sed 's/ruby/ri/'`
+ridir='${datarootdir}/${RI_BASE_NAME}'
+AC_ARG_WITH(ridir,
+ AS_HELP_STRING([--with-ridir=DIR], [ri documentation [[DATAROOTDIR/ri]]]),
+ [ridir=$withval])
+AC_SUBST(ridir)
+AC_SUBST(RI_BASE_NAME)
+
+AC_ARG_WITH(ruby-version,
+ AS_HELP_STRING([--with-ruby-version=STR], [ruby version string for version specific directories [[full]] (full|minor|STR)]),
+ [ruby_version=$withval],
+ [ruby_version=full])
+unset RUBY_LIB_VERSION
+unset RUBY_LIB_VERSION_STYLE
+AS_CASE(["$ruby_version"],
+ [full], [RUBY_LIB_VERSION_STYLE='3 /* full */'],
+ [minor], [RUBY_LIB_VERSION_STYLE='2 /* minor */'])
+if test ${RUBY_LIB_VERSION_STYLE+set}; then
+ {
+ echo "#define RUBY_LIB_VERSION_STYLE $RUBY_LIB_VERSION_STYLE"
+ echo '#define STRINGIZE(x) x'
+ test -f revision.h -o -f "${srcdir}/revision.h" || echo '#define RUBY_REVISION 0'
+ echo '#include "verconf.h"'
+ echo '#include "version.h"'
+ echo 'ruby_version=RUBY_LIB_VERSION'
+ } > conftest.c
+ test -f verconf.h || > verconf.h
+ ruby_version="`$CPP -I. -I"${srcdir}" -I"${srcdir}/include" conftest.c | sed '/^ruby_version=/!d;s/ //g'`"
+ eval $ruby_version
+elif test -z "${ruby_version}"; then
+ AC_MSG_ERROR([No ruby version, No place for bundled libraries])
+else
+ RUBY_LIB_VERSION="${ruby_version}"
+fi
+AC_SUBST(RUBY_LIB_VERSION_STYLE)
+AC_SUBST(RUBY_LIB_VERSION)
+
+AC_ARG_WITH(sitedir,
+ AS_HELP_STRING([--with-sitedir=DIR], [site libraries in DIR [[RUBY_LIB_PREFIX/site_ruby]], "no" to disable site directory]),
+ [sitedir=$withval],
+ [sitedir='${rubylibprefix}/site_ruby'])
+sitelibdir='${sitedir}/${ruby_version}'
+
+AC_ARG_WITH(sitearchdir,
+ AS_HELP_STRING([--with-sitearchdir=DIR],
+ [architecture dependent site libraries in DIR [[SITEDIR/SITEARCH]], "no" to disable site directory]),
+ [sitearchdir=$withval],
+ [sitearchdir=${multiarch+'${rubysitearchprefix}/site_ruby/${ruby_version}'}${multiarch-'${sitelibdir}/${sitearch}'}])
+
+AC_ARG_WITH(vendordir,
+ AS_HELP_STRING([--with-vendordir=DIR], [vendor libraries in DIR [[RUBY_LIB_PREFIX/vendor_ruby]], "no" to disable vendor directory]),
+ [vendordir=$withval],
+ [vendordir='${rubylibprefix}/vendor_ruby'])
+vendorlibdir='${vendordir}/${ruby_version}'
+
+AC_ARG_WITH(vendorarchdir,
+ AS_HELP_STRING([--with-vendorarchdir=DIR],
+ [architecture dependent vendor libraries in DIR [[VENDORDIR/SITEARCH]], "no" to disable vendor directory]),
+ [vendorarchdir=$withval],
+ [vendorarchdir=${multiarch+'${rubysitearchprefix}/vendor_ruby/${ruby_version}'}${multiarch-'${vendorlibdir}/${sitearch}'}])
+
+if test "${LOAD_RELATIVE+set}"; then
+ AC_DEFINE_UNQUOTED(LOAD_RELATIVE, $LOAD_RELATIVE)
+ RUBY_EXEC_PREFIX=''
+fi
+
+AC_SUBST(RUBY_EXEC_PREFIX)
+
+AC_SUBST(libdirname, ${multiarch+arch}libdir)
+AC_SUBST(archlibdir)dnl
+AC_SUBST(sitearchlibdir)dnl
+AC_SUBST(archincludedir)dnl
+AC_SUBST(sitearchincludedir)dnl
+AC_SUBST(arch)dnl
+AC_SUBST(sitearch)dnl
+AC_SUBST(ruby_version)dnl
+AC_SUBST(rubylibdir)dnl
+AC_SUBST(rubyarchdir)dnl
+AC_SUBST(sitedir)dnl
+AC_SUBST(sitelibdir)dnl
+AC_SUBST(sitearchdir)dnl
+AC_SUBST(vendordir)dnl
+AC_SUBST(vendorlibdir)dnl
+AC_SUBST(vendorarchdir)dnl
+
+AC_SUBST(configure_args, "`echo "${ac_configure_args}" | sed 's/\\$/$$/g'`")dnl
+
+if test "${universal_binary-no}" = yes ; then
+ arch="universal-${target_os}"
+ if test "${rb_cv_architecture_available}" = yes; then
+ AC_DEFINE_UNQUOTED(RUBY_PLATFORM_CPU, __ARCHITECTURE__)
+ else
+ for archs in ${universal_archnames}; do
+ cpu=`echo $archs | sed 's/.*=//'`
+ archs=`echo $archs | sed 's/=.*//'`
+ RUBY_DEFINE_IF([defined __${archs}__], RUBY_PLATFORM_CPU, ["${cpu}"])
+ done
+ fi
+ ints='long int short'
+ test "$ac_cv_type_long_long" = yes && ints="'long long' $ints"
+ AC_SUBST(UNIVERSAL_ARCHNAMES, "${universal_archnames}")
+ AC_SUBST(UNIVERSAL_INTS, "${ints}")
+ AC_DEFINE_UNQUOTED(RUBY_PLATFORM_OS, "${target_os}")
+ AC_DEFINE_UNQUOTED(RUBY_ARCH, "universal-"RUBY_PLATFORM_OS)
+ AC_DEFINE_UNQUOTED(RUBY_PLATFORM, "universal."RUBY_PLATFORM_CPU"-"RUBY_PLATFORM_OS)
+else
+ arch="${target_cpu}-${target_os}"
+ AS_CASE(["$arch"], [le32-nacl], [arch="pnacl"])
+ AC_DEFINE_UNQUOTED(RUBY_PLATFORM, "$arch")
+fi
+
+unset sitearch
+AS_CASE(["$target_os"],[mingw*],[sitearch="$target_cpu-$rb_cv_msvcrt"])
+: ${sitearch='${arch}'}
+
+AC_ARG_WITH(search-path,
+ AS_HELP_STRING([--with-search-path=DIR], [specify the additional search path]),
+ [search_path=$withval])
+if test "$search_path" != ""; then
+ AC_SUBST(RUBY_SEARCH_PATH, $search_path)
+fi
+
+AC_ARG_WITH(rubyhdrdir,
+ AS_HELP_STRING([--with-rubyhdrdir=DIR], [core headers in DIR [[INCLUDEDIR/RUBY_BASE_NAME-RUBY_VERSION]]]),
+ [rubyhdrdir=$withval],
+ [rubyhdrdir='${includedir}/${RUBY_VERSION_NAME}'])
+
+AC_ARG_WITH(rubyarchhdrdir,
+ AS_HELP_STRING([--with-rubyarchhdrdir=DIR],
+ [architecture dependent core headers in DIR [[$(rubyhdrdir)/$(arch)]]]),
+ [rubyarchhdrdir=$withval],
+ [rubyarchhdrdir=${multiarch+'${archincludedir}/${RUBY_VERSION_NAME}'}${multiarch-'${rubyhdrdir}/${arch}'}])
+
+AC_ARG_WITH(sitehdrdir,
+ AS_HELP_STRING([--with-sitehdrdir=DIR], [core site headers in DIR [[RUBYHDRDIR/site_ruby]]]),
+ [sitehdrdir=$withval],
+ [sitehdrdir='${rubyhdrdir}/site_ruby'])
+
+AC_ARG_WITH(sitearchhdrdir,
+ AS_HELP_STRING([--with-sitearchhdrdir=DIR],
+ [architecture dependent core site headers in DIR [[RUBYHDRDIR/site_ruby]]]),
+ [sitearchhdrdir=$withval],
+ [sitearchhdrdir=${multiarch+'${sitearchincludedir}/${RUBY_VERSION_NAME}/site_ruby'}${multiarch-'${sitehdrdir}/${sitearch}'}])
+
+AC_ARG_WITH(vendorhdrdir,
+ AS_HELP_STRING([--with-vendorhdrdir=DIR], [core vendor headers in DIR [[RUBYHDRDIR/vendor_ruby]]]),
+ [vendorhdrdir=$withval],
+ [vendorhdrdir='${rubyhdrdir}/vendor_ruby'])
+
+AC_ARG_WITH(vendorarchhdrdir,
+ AS_HELP_STRING([--with-vendorarchhdrdir=DIR],
+ [architecture dependent core vendor headers in DIR [[RUBYHDRDIR/vendor_ruby]]]),
+ [vendorarchhdrdir=$withval],
+ [vendorarchhdrdir=${multiarch+'${sitearchincludedir}/${RUBY_VERSION_NAME}/vendor_ruby'}${multiarch-'${vendorhdrdir}/${sitearch}'}])
+
+AC_SUBST(rubyhdrdir)dnl
+AC_SUBST(sitehdrdir)dnl
+AC_SUBST(vendorhdrdir)dnl
+AC_SUBST(rubyarchhdrdir)dnl
+AC_SUBST(sitearchhdrdir)dnl
+AC_SUBST(vendorarchhdrdir)dnl
+
+AC_ARG_WITH(mantype,
+ AS_HELP_STRING([--with-mantype=TYPE], [specify man page type; TYPE is one of man and doc]),
+ [
+ AS_CASE(["$withval"],
+ [man|doc], [MANTYPE=$withval],
+ [AC_MSG_ERROR(invalid man type: $withval)])
+ ])
+if test -z "$MANTYPE"; then
+ AC_PATH_PROGS(NROFF, nroff awf, /bin/false, "/usr/bin:/usr/ucb")
+ if ${NROFF} -mdoc ${srcdir}/man/ruby.1 >/dev/null 2>&1; then
+ MANTYPE=doc
+ else
+ MANTYPE=man
+ fi
+fi
+AC_SUBST(MANTYPE)
+
+AC_ARG_ENABLE(rubygems,
+ AS_HELP_STRING([--disable-rubygems], [disable rubygems by default]),
+ [enable_rubygems="$enableval"], [enable_rubygems=yes])
+if test x"$enable_rubygems" = xno; then
+ AC_DEFINE(DISABLE_RUBYGEMS, 1)
+ USE_RUBYGEMS=NO
+else
+ USE_RUBYGEMS=YES
+fi
+AC_SUBST(USE_RUBYGEMS)
+
+arch_hdrdir="${EXTOUT}/include/${arch}/ruby"
+AS_MKDIR_P("${arch_hdrdir}")
+config_h="${arch_hdrdir}/config.h"
+guard=INCLUDE_RUBY_CONFIG_H
+{
+ echo "#ifndef $guard"
+ echo "#define $guard 1"
+ grep -v "^#define PACKAGE_" confdefs.h
+ echo "#endif /* $guard */"
+} | tr -d '\015' |
+${srcdir}/tool/ifchange "${config_h}" -
+tr -d '\015' < largefile.h > confdefs.h
+rm largefile.h
+
+BUILTIN_ENCS=["`sed -n -e '/^BUILTIN_ENCS[ ]*=/{' \
+ -e s/// -e :l -e '/\\\\$/N' -e 's/\\\\\\n/ /' -e 't l' -e p \
+ -e '}' "${srcdir}/enc/Makefile.in"`"]
+BUILTIN_ENCOBJS=
+for e in $BUILTIN_ENCS; do BUILTIN_ENCOBJS="$BUILTIN_ENCOBJS `basename $e .c`"'.$(OBJEXT)'; done
+AC_SUBST(BUILTIN_ENCOBJS)
+
+BUILTIN_TRANSES=["`sed -n -e '/^BUILTIN_TRANSES[ ]*=/{' \
+ -e s/// -e :l -e '/\\\\$/N' -e 's/\\\\\\n/ /' -e 't l' -e p \
+ -e '}' "${srcdir}/enc/Makefile.in"`"]
+BUILTIN_TRANSSRCS=
+BUILTIN_TRANSOBJS=
+for e in $BUILTIN_TRANSES; do
+ BUILTIN_TRANSSRCS="$BUILTIN_TRANSSRCS `basename $e .trans`"'.c';
+ BUILTIN_TRANSOBJS="$BUILTIN_TRANSOBJS `basename $e .trans`"'.$(OBJEXT)';
+done
+AC_SUBST(BUILTIN_TRANSSRCS)
+AC_SUBST(BUILTIN_TRANSOBJS)
+
+PACKAGE=$RUBY_BASE_NAME
+AC_SUBST(PACKAGE)
+AC_MSG_RESULT($PACKAGE library version = $ruby_version)
+
+AS_CASE([" $CPP "], [*" $CC "*], [CPP=`echo " $CPP " | sed "s| $CC |"' $(CC) |;s/^ *//;s/ *$//'`])
+
+if test x"$firstmf" != x; then
+ AC_CONFIG_FILES($firstmf:$firsttmpl, [], [firstmf="$firstmf" firsttmpl="$firsttmpl"])
+fi
+AC_CONFIG_FILES(Makefile, [
+ tmpmk=confmk$$.tmp
+ {
+ if test ${VCS+set}; then
+ :
+ elif svn info "$srcdir" > /dev/null 2>&1; then
+ VCS='svn'
+ elif test -d "$srcdir/.git/svn"; then
+ VCS='git svn'
+ elif test -d "$srcdir/.git"; then
+ VCS='git'
+ else
+ VCS='echo cannot'
+ fi
+ AS_CASE("$VCS",
+ [svn], [VCSUP='$(VCS) up $(SVNUPOPTIONS)'],
+ ["git svn"], [VCSUP='$(VCS) rebase $(GITSVNREBASEOPTIONS)'],
+ [git], [VCSUP='$(VCS) pull $(GITPULLOPTIONS)'],
+ [VCSUP='$(VCS)'])
+ sed -n 's/^@%:@define \(RUBY_RELEASE_DATE\) "\(.*\)"/\1 = \2/p' "$srcdir/version.h"
+ sed '/^MISSING/s/\$U\././g;/^VCS *=/s#@VCS@#'"$VCS"'#;/^VCSUP *=/s#@VCSUP@#'"$VCSUP"'#' Makefile
+ echo; test x"$EXEEXT" = x || echo 'miniruby: miniruby$(EXEEXT)'
+ if test "$gnumake" != yes; then
+ echo ['$(MKFILES): $(srcdir)/common.mk']
+ sed ['s/{\$([^(){}]*)[^{}]*}//g'] ${srcdir}/common.mk
+ else
+ echo 'distclean-local::; @$(RM) GNUmakefile uncommon.mk'
+ fi
+ } > $tmpmk && if ! grep '^ruby:' $tmpmk > /dev/null; then
+ if test "${gnumake}" = yes; then
+ tmpgmk=confgmk$$.tmp
+ {
+ echo "include $tmpmk"
+ echo "-include uncommon.mk"
+ } > $tmpgmk
+ else
+ tmpgmk=$tmpmk
+ fi &&
+ test -z "`${MAKE-make} -f $tmpgmk info-program | grep '^PROGRAM=ruby$'`" &&
+ echo 'ruby: $(PROGRAM);' >> $tmpmk
+ test "$tmpmk" = "$tmpgmk" || rm -f "$tmpgmk"
+ fi && mv -f $tmpmk Makefile],
+[EXEEXT='$EXEEXT' gnumake='$gnumake'])
+
+AC_ARG_WITH([ruby-pc],
+ AC_HELP_STRING([pc file basename]),
+ [ruby_pc="$withval"],
+ [ruby_pc="${RUBY_BASE_NAME}-${MAJOR}.${MINOR}.pc"])
+AC_SUBST(ruby_pc)
+AC_SUBST(exec, [exec])
+
+AC_ARG_WITH(destdir,
+ AS_HELP_STRING([--with-destdir=DESTDIR], [specify default directory to install]),
+ [DESTDIR="$withval"])
+AC_SUBST(DESTDIR)
+
+AC_CONFIG_FILES($ruby_pc:template/ruby.pc.in,
+ [
+ if sed ['s/\$(\([A-Za-z_][A-Za-z0-9_]*\))/${\1}/g;s/@[A-Za-z_][A-Za-z0-9_]*@//'] $ruby_pc > ruby.tmp.pc &&
+ {
+ test -z "$PKG_CONFIG" ||
+ PKG_CONFIG_PATH=. $PKG_CONFIG --print-errors ruby.tmp
+ }
+ then
+ mv -f ruby.tmp.pc $ruby_pc
+ else
+ exit 1
+ fi
+ ],
+ [ruby_pc='$ruby_pc' PKG_CONFIG='$PKG_CONFIG'])
+
+AC_OUTPUT
+}
+}