blob: cd4a679913c2af56e408c2bdcaf2f2791c663fa5 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
|
# alloca.m4 serial 3 (gettext-0.16)
AC_DEFUN([gl_FUNC_ALLOCA],
[
AC_REQUIRE([AC_PROG_CPP])
AC_REQUIRE([AC_PROG_EGREP])
AC_REQUIRE([AC_FUNC_ALLOCA])
if test $ac_cv_func_alloca_works = no; then
gl_PREREQ_ALLOCA
fi
# Define an additional variable used in the Makefile substitution.
AC_EGREP_CPP([Need own alloca], [
#if defined __GNUC__ || defined _MSC_VER || !HAVE_ALLOCA_H
Need own alloca
#endif
],
ALLOCA_H=alloca.h,
ALLOCA_H=)
AC_SUBST([ALLOCA_H])
])
# Prerequisites of lib/alloca.c.
# STACK_DIRECTION is already handled by AC_FUNC_ALLOCA.
AC_DEFUN([gl_PREREQ_ALLOCA], [
AC_CHECK_HEADERS_ONCE(stdlib.h string.h)
:
])
|