path: root/scripts/makepkg

#!/bin/bash
#
#   makepkg - make packages compatable for use with pacman
#
#   Copyright (c) 2002-2006 by Judd Vinet <jvinet@zeroflux.org>
#   Copyright (c) 2005 by Aurelien Foret <orelien@chez.com>
#   Copyright (c) 2006 by Miklos Vajna <vmiklos@frugalware.org>
#   Copyright (c) 2005 by Christian Hamar <krics@linuxforum.hu>
#   Copyright (c) 2006 by Alex Smith <alex@alex-smith.me.uk>
#   Copyright (c) 2006 by Andras Voroskoi <voroskoi@frugalware.org>
#
#   This program is free software; you can redistribute it and/or modify
#   it under the terms of the GNU General Public License as published by
#   the Free Software Foundation; either version 2 of the License, or
#   (at your option) any later version.
#
#   This program is distributed in the hope that it will be useful,
#   but WITHOUT ANY WARRANTY; without even the implied warranty of
#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#   GNU General Public License for more details.
#
#   You should have received a copy of the GNU General Public License
#   along with this program; if not, write to the Free Software
#   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 
#   USA.
#

myver='3.0.0'
startdir=$(pwd)

BUILDSCRIPT="PKGBUILD"
PKGEXT="pkg.tar.gz"

source "/etc/abs/abs.conf"
SRCROOT=$ABSROOT

# Options
CLEANUP=0
CLEANCACHE=0
DEP_BIN=0
DEP_SRC=0
DEP_SUDO=0
FORCE=0
GENINTEG=0
INSTALL=0
NOBUILD=0
NODEPS=0
NOEXTRACT=0
RMDEPS=0
REPKG=0
LOGGING=0

PACMAN_OPTS=

#determine if we are running with fakeroot
if [ "$1" = "-F" ]; then
  INFAKEROOT=1
  shift
else
  INFAKEROOT=0
fi

### SUBROUTINES ###

plain() {
  if [ "$USE_COLOR" = "Y" -o "$USE_COLOR" = "y" ]; then
    echo -e "    \033[1;1m$1\033[1;0m" >&2
  else
    echo "    $1" >&2
  fi
}

msg() {
  if [ "$USE_COLOR" = "Y" -o "$USE_COLOR" = "y" ]; then
    echo -e "\033[1;32m==>\033[1;0m \033[1;1m$1\033[1;0m" >&2
  else
    echo "==> $1" >&2
  fi
}

msg2() {
  if [ "$USE_COLOR" = "Y" -o "$USE_COLOR" = "y" ]; then
    echo -e "   \033[1;34m->\033[1;0m \033[1;1m$1\033[1;0m" >&2
  else
    echo "   -> $1" >&2
  fi
}

warning() {
  if [ "$USE_COLOR" = "Y" -o "$USE_COLOR" = "y" ]; then
    echo -e "\033[1;33m==> WARNING:\033[1;0m \033[1;1m$1\033[1;0m" >&2
  else
    echo "==> WARNING: $1" >&2
  fi
}

error() {
  if [ "$USE_COLOR" = "Y" -o "$USE_COLOR" = "y" ]; then
    echo -e "\033[1;31m==> ERROR:\033[1;0m \033[1;1m$1\033[1;0m" >&2
  else
    echo "==> ERROR: $1" >&2
  fi
}

strip_url() {
  echo "$1" | sed 's|^.*://.*/||g'
}

check_option() {
  local i
  for i in ${options[@]}; do
    local uc=$(echo $i | tr [:lower:] [:upper:])
    local lc=$(echo $i | tr [:upper:] [:lower:])
    if [ "$uc" = "$1" -o "$lc" = "$1" ]; then
      echo $1
      return
    fi
  done
}

in_array() {
  local needle=$1
  shift 1
  [ -z "$1" ] && return 1
  for i in $*; do
    [ "$i" == "$needle" ] && return 0
  done
  return 1
}

checkdeps() {
  local missdep=""
  local deplist=""

  [ $# -gt 0 ] || return

  missdep=$(pacman $PACMAN_OPTS -T $*)
  ret=$?
  if [ "$ret" != "0" ]; then
    if [ "$ret" = "127" ]; then
      msg "Missing Dependencies:"
      msg ""
      nl=0
      for dep in $missdep; do
        echo -ne "$dep " >&2
        if [ "$nl" = "1" ]; then
          nl=0
          echo -ne "\n" >&2
          # add this dep to the list
          depname=$(echo $dep | sed 's|=.*$||' | sed 's|>.*$||' | sed 's|<.*$||')
          deplist="$deplist $depname"
          continue
        fi
        nl=1
      done
      msg ""
    else
      error "pacman returned a fatal error."
      exit 1
    fi
  fi
  echo $deplist
}

handledeps() {
  local missingdeps=0
  local deplist="$*"
  local haveperm=0
  if [ \( "$EUID" = "0" -a "$INFAKEROOT" != "1" \) -o "$DEP_SUDO" = 1 ]; then
    haveperm=1
  fi

  if [ "$deplist" != "" -a $haveperm -eq 1 ]; then
    if [ "$DEP_BIN" = "1" ]; then
      # install missing deps from binary packages (using pacman -S)
      msg "Installing missing dependencies..."
      pacman $PACMAN_OPTS -D $deplist
      if [ "$?" = "127" ]; then
        error "Failed to install missing dependencies."
        exit 1
      fi
    elif [ "$DEP_SUDO" = "1" ]; then
      # install missing deps from binary packages (using pacman -S and sudo)
      msg "Installing missing dependencies..."
      if [ "$INFAKEROOT" = "1" ]; then
        # kinda hacky, but we need to make pacman think that we're NOT
        # in fakeroot so it will go ahead and install the dependencies.
        FAKEROOTKEY2=$FAKEROOTKEY
        unset FAKEROOTKEY
      fi
      sudo pacman $PACMAN_OPTS -D $deplist
      if [ "$?" = "127" ]; then
        error "Failed to install missing dependencies."
        exit 1
      fi
      if [ "$INFAKEROOT" = "1" ]; then
        export FAKEROOTKEY=$FAKEROOTKEY2
        unset FAKEROOTKEY2
      fi
    elif [ "$DEP_SRC" = "1" ]; then
      # install missing deps by building them from source.
      # we look for each package name in $SRCROOT and build it.
      if [ "$SRCROOT" = "" ]; then
        error "Source root cannot be found - please make sure it is specified in /etc/makepkg.conf"
        exit 1
      fi
      # TODO: handle version comparators (eg, glibc>=2.2.5)
      msg "Building missing dependencies..."
      for dep in $deplist; do
        candidates=$(find $SRCROOT -type d -name "$dep")
        if [ "$candidates" = "" ]; then
          error "Could not find \"$dep\" under $SRCROOT"
          exit 1
        fi
        success=0
        for pkgdir in $candidates; do
          if [ -f $pkgdir/$BUILDSCRIPT ]; then
            cd $pkgdir
            if [ "$RMDEPS" = "1" ]; then
              makepkg -i -c -b -r -w $PKGDEST
            else
              makepkg -i -c -b -w $PKGDEST
            fi
            if [ $? -eq 0 ]; then
              success=1
              break
            fi
          fi
        done
        if [ "$success" = "0" ]; then
          error "Failed to build \"$dep\""
          exit 1
        fi
      done
    else
      missingdeps=1
    fi
  elif [ "$deplist" != "" -a $haveperm -eq 0 ]; then
    if [ "$DEP_SRC" = "1" -o "$DEP_BIN" = "1" ]; then
      warning "Cannot auto-install missing dependencies as a normal user without sudo!"
      plain "Run makepkg as root or with -S to resolve dependencies automatically."
    fi
    missingdeps=1
  fi

  # rerun any additional sh scripts found in /etc/profile.d/
  for i in /etc/profile.d/*.sh
  do
    if [ -x $i ]; then
      . $i &>/dev/null
    fi
  done

  return $missingdeps
}

# fix flyspray bug #5923
removedeps() {
  if [ "$RMDEPS" = "1" -a "$EUID" = "0" -a "$INFAKEROOT" != "1" -a \( ! -z "$deplist" -o ! -z "$makedeplist" \) ]; then
    msg "Removing installed dependencies..."
    pacman3 $PACMAN_OPTS -R $makedeplist $deplist
    # fixes bug #6215
  elif [ "$RMDEPS" = "1" -a "$DEP_SUDO" = "1" -a \( ! -z "$deplist" -o ! -z "$makedeplist" \) ]; then
    msg "Removing installed dependencies..."
    if [ "$INFAKEROOT" = "1" ]; then
      export FAKEROOTKEY2=$FAKEROOTKEY
      unset FAKEROOTKEY
    fi
    sudo pacman3 $PACMAN_OPTS -R $makedeplist $deplist
    if [ "$INFAKEROOT" = "1" ]; then
      export FAKEROOTKEY=$FAKEROOTKEY2
      unset FAKEROOTKEY2
    fi
  fi
}


usage() {
  echo "makepkg version $myver"
  echo
  echo "Usage: $0 [options]"
  echo
  echo "Options:"
  echo "  -b, --builddeps  Build missing dependencies from source"
  echo "  -B, --noccache   Do not use ccache during build"
  echo "  -c, --clean      Clean up work files after build"
  echo "  -C, --cleancache Clean up source files from the cache"
  echo "  -d, --nodeps     Skip all dependency checks"
  echo "  -e, --noextract  Do not extract source files (use existing src/ dir)"
  echo "  -f, --force      Overwrite existing package"
  echo "  -g, --geninteg   Generate integrity checks for source files"
  echo "  -h, --help       This help"
  echo "  -i, --install    Install package after successful build"
  echo "  -j <jobs>        Set MAKEFLAGS to \"-j<jobs>\" before building"
  echo "  -L, --log        Log package build process"
  echo "  -m, --nocolor    Disable colorized output messages"
  echo "  -o, --nobuild    Download and extract files only"
  echo "  -p <buildscript> Use an alternate build script (instead of '$BUILDSCRIPT')"
  echo "  -r, --rmdeps     Remove installed dependencies after a successful build"
  # fix flyspray feature request #2978
  echo "  -R, --repackage  Repackage contents of <startdir>/pkg without building"
  echo "  -s, --syncdeps   Install missing dependencies with pacman"
  echo "  -S, --sudosync   Install missing dependencies with pacman and sudo"
  echo
  echo "These options can be passed to pacman:"
  echo
  echo "  --noconfirm      Do not ask for confirmation when resolving dependencies"
  echo "  --noprogressbar  Do not show a progress bar when downloading files"
  echo
  echo "If -p is not specified, makepkg will look for '$BUILDSCRIPT'"
  echo
}

ARGLIST=$@

#preserve environment variables
_PKGDEST=${PKGDEST}
_SRCDEST=${SRCDEST}

#Source makepkg.conf; fail if it is not found
if [ -f /etc/makepkg.conf ]; then
  source /etc/makepkg.conf
else
  error "/etc/makepkg.conf not found. cannot continue"
  exit 1
fi

#Source user-specific makepkg.conf overrides
if [ -f ~/.makepkg.conf ]; then
  source ~/.makepkg.conf
fi

# override settings with an environment variable for batch processing
PKGDEST=${_PKGDEST:-$PKGDEST}
PKGDEST=${PKGDEST:-$startdir} #default to $startdir if undefined
SRCDEST=${_SRCDEST:-$SRCDEST}
SRCDEST=${SRCDEST:-$startdir} #default to $startdir if undefined

while [ "$#" -ne "0" ]; do
  case $1 in
    # pacman
    --noconfirm)      PACMAN_OPTS="$PACMAN_OPTS --noconfirm" ;;
    --noprogressbar)  PACMAN_OPTS="$PACMAN_OPTS --noprogressbar" ;;
    # makepkg
    --clean)      CLEANUP=1 ;;
    --cleancache) CLEANCACHE=1 ;;
    --syncdeps)   DEP_BIN=1 ;;
    --sudosync)   DEP_SUDO=1 ;;
    --builddeps)  DEP_SRC=1 ;;
    --noccache)   USE_CCACHE=0 ;;
    --nodeps)     NODEPS=1 ;;
    --noextract)  NOEXTRACT=1 ;;
    --install)    INSTALL=1 ;;
    --force)      FORCE=1 ;;
    --nobuild)    NOBUILD=1 ;;
    --nocolor)    USE_COLOR="n" ;;
    --geninteg)   GENINTEG=1 ;;
    --rmdeps)     RMDEPS=1 ;;
    --repackage)  REPKG=1 ;;
    --log)        LOGGING=1 ;;
    --help)
          usage
          exit 0
          ;;
    --*)
          usage
          exit 1
          ;;
    -*)
    while getopts "bBcCdefghij:Lmop:rRsS-" opt; do
      case $opt in
        b) DEP_SRC=1 ;;
        B) USE_CCACHE=0 ;;
        c) CLEANUP=1 ;;
        C) CLEANCACHE=1 ;;
        d) NODEPS=1 ;;
        e) NOEXTRACT=1 ;;
        f) FORCE=1 ;;
        g) GENINTEG=1 ;;
        h)
            usage
            exit 0
            ;;
        i) INSTALL=1 ;;
        j) export MAKEFLAGS="-j$OPTARG" ;;
        L) LOGGING=1 ;;
        m) USE_COLOR="n" ;;
        o) NOBUILD=1 ;;
        p) BUILDSCRIPT=$OPTARG ;;
        r) RMDEPS=1 ;;
        R) REPKG=1 ;;
        s) DEP_BIN=1 ;;
        S) DEP_SUDO=1 ;;
        -)
            OPTIND=0
            break
            ;;
        *)
            usage
            exit 1
            ;;
      esac
    done
    ;;
    *)
        true
        ;;
  esac
  shift
done

# check for sudo
if [ "$DEP_SUDO" = "1" -a ! "$(type -p sudo)" ]; then
  error "Cannot find the sudo binary! Is sudo installed?"
  exit 1
fi

if [ "$CLEANCACHE" = "1" ]; then
  #fix flyspray feature request #5223
  if [ -n "$SRCDEST" ]; then
    msg "Cleaning up source files from the cache."
    rm -rf "$SRCDEST"/*
    if [ $? -ne 0 ]; then
      error "Problem removing files; you may not have correct permissions in $SRCDEST"
      exit 1
    else
      exit 0
    fi
  else
    error "Source destination must be defined in makepkg.conf."
    exit 1
  fi
fi

unset pkgname pkgver pkgrel pkgdesc url license groups provides md5sums force
unset replaces depends conflicts backup source install build makedepends
unset options noextract

# some applications (eg, blackbox) will not build with some languages
unset LC_ALL LANG
umask 0022

if [ ! -f $BUILDSCRIPT ]; then
  error "$BUILDSCRIPT does not exist."
  exit 1
  #TODO this is an attempt at a generic way to unset all package specific
  #variables in a PKGBUILD
  #else
  #    #this is fun.... we'll unset
  #    for var in $(grep "=" $BUILDSCRIPT | sed "s|.*\(\<.*\>\)=.*|\1|g"); do
  #        unset $var
  #    done
fi

source $BUILDSCRIPT

# check for no-no's
if [ -z "$pkgver" ]; then
  error "pkgver is not allowed to be empty."
  exit 1
fi
if [ -z "$pkgrel" ]; then
  error "pkgrel is not allowed to be empty."
  exit 1
fi
if [ $(echo $pkgver | grep '-') ]; then
  error "pkgver is not allowed to contain hyphens."
  exit 1
fi
if [ $(echo $pkgrel | grep '-') ]; then
  error "pkgrel is not allowed to contain hyphens."
  exit 1
fi
if ! in_array $CARCH ${arch[@]}; then
  error "$pkgname is not available for the '$CARCH' architecture."
  plain "Note that many packages may need a line added to their $BUILDSCRIPT"
  plain "such as arch=('$CARCH')."
  exit 1
fi

if [ "$install" -a ! -f "$install" ]; then
  error "install scriptlet ($install) does not exist."
  exit 1
fi

if [ -f $PKGDEST/${pkgname}-${pkgver}-${pkgrel}-${CARCH}.${PKGEXT} -a "$FORCE" = "0" -a "$GENINTEG" = "0" ]; then
  if [ "$INSTALL" = "1" ]; then
    warning "a package has already been built, installing existing package."
    echo pacman $PACMAN_OPTS -U $PKGDEST/${pkgname}-${pkgver}-${pkgrel}-${CARCH}.${PKGEXT}
    pacman $PACMAN_OPTS -U $PKGDEST/${pkgname}-${pkgver}-${pkgrel}-${CARCH}.${PKGEXT}
    exit $?
  else
    error "a package has already been built.  (use -f to overwrite)"
    exit 1
  fi
fi

# Enter the fakeroot environment if necessary.  This will call the makepkg script again
# as the fake root user.  We detect this by passing a sentinel option (-F) to makepkg
if [ "$EUID" != "0" ]; then
  if [ "$USE_FAKEROOT" = "y" -o "$USE_FAKEROOT" = "Y" ]; then
    if [ $(type -p fakeroot) ]; then
      msg "Entering fakeroot environment"
      fakeroot -- $0 -F $ARGLIST
      exit $?
    else
      warning "Fakeroot is not installed.  Building as an unprivileged user"
      plain "will result in non-root ownership of the packaged files."
      plain "Install the fakeroot package to correctly build as a non-root"
      plain "user."
      plain ""
      sleep 1
    fi
  else
    warning "Running makepkg as an unprivileged user will result in non-root"   
    plain "ownership of the packaged files.  Try using the fakeroot"
    plain "environment.  (USE_FAKEROOT=y in makepkg.conf)"
    plain ""
    sleep 1
  fi
fi

msg "Making package: $pkgname $pkgver-$pkgrel ($(date))"

unset deplist makedeplist
# fix flyspray bug #5973
if [ "$NODEPS" = "1" -o "$GENINTEG" = "1" -o "$NOBUILD" = "1" -o "$REPKG" = "1" ]; then
  if [ "$NODEPS" = "1" ]; then
    warning "skipping dependency checks"
  fi
  # skip printing a warning message for the others: geninteg, nobuild, repkg
elif [ $(type -p pacman) ]; then
  msg "Checking Runtime Dependencies..."
  deplist=$(checkdeps ${depends[@]})
  handledeps $deplist
  if [ $? -gt 0 ]; then
    exit 1
  fi
  # check deps again to make sure they were resolved
  deplist=$(checkdeps ${depends[@]})
  if [ ! -z "$deplist" ]; then
    error "Failed to install missing dependencies."
    exit 1
  fi
  msg "Checking Buildtime Dependencies..."
  makedeplist=$(checkdeps ${makedepends[@]})
  handledeps $makedeplist
  if [ $? -gt 0 ]; then
    exit 1
  fi
else
  warning "pacman was not found in PATH. skipping dependency checks."
fi

cd $startdir

# retrieve sources
msg "Retrieving Sources..."
mkdir -p src
cd $startdir/src
for netfile in ${source[@]}; do
  file=$(strip_url "$netfile")
  if [ -f "../$file" ]; then
    msg2 "Found $file in build dir"
    cp "../$file" .
  elif [ -f "$SRCDEST/$file" ]; then
    msg2 "Using cached copy of $file"
    cp "$SRCDEST/$file" .
  else
    # check for a download utility
    if [ -z "$FTPAGENT" ]; then
      error "FTPAGENT is not configured. Check the /etc/makepkg.conf file."
      msg "Aborting..."
      exit 1
    fi
    ftpclient=$(echo $FTPAGENT | awk {'print $1'})
    if [ ! -x "$ftpclient" ]; then
      error "ftpclient $(basename $ftpclient) is not installed."
      msg "Aborting..."
      exit 1
    fi
    proto=$(echo "$netfile" | sed 's|://.*||')
    if [ "$proto" != "ftp" -a "$proto" != "http" -a "$proto" != "https" ]; then
      error "$netfile was not found in the build directory and is not a proper URL."
      msg "Aborting..."
      exit 1
    fi
    msg2 "Downloading $file"
    $FTPAGENT "$netfile" 2>&1
    # fix flyspray bug #3289
    ftpret=$?
    if [ $ftpret -gt 0 ]; then
      error "Failure while downloading $file"
      msg "Aborting..."
      #rm "$file"
      exit 1
    fi
    if [ -n "$SRCDEST" ]; then
      mkdir -p $SRCDEST && cp "$file" $SRCDEST
      if [ $? -ne 0 ]; then
        warning "You do not have correct permissions to cache source in $SRCDEST"
        cp "$file" ..
      fi
    else
      cp "$file" ..
    fi
  fi
done

if [ "$NOEXTRACT" = "1" -o "$REPKG" = "1" ]; then
  warning "Skipping source integrity checks -- using existing src/ tree"
else
  for integ in ${INTEGRITY_CHECK[@]}; do
    integ="$(echo $integ | tr A-Z a-z)"
    case "$integ" in
      md5) integrity_name="md5sum" ;;
      sha1) integrity_name="sha1sum" ;;
      sha256) integrity_name="sha256sum" ;;
      sha384) integrity_name="sha384sum" ;;
      sha512) integrity_name="sha512sum" ;;
      *) error "Invalid integrity algorithm '$integ' specified"; exit 1;;
    esac
    if [ ! $(type -p $integrity_name) ]; then
      error "Cannot find the $integrity_name program."
      exit 1
    fi

    #Generate integrity checks
    if [ "$GENINTEG" = "1" ]; then
      msg "Generating ${integrity_name}s for source files"
      plain ""
      ct=0
      numsrc=${#source[@]}
      for netfile in "${source[@]}"; do
        file=$(strip_url "$netfile")
        sum=$(eval "$integrity_name '$file' | cut -d' ' -f 1")
        if [ $ct -eq 0 ]; then
          echo -n "${integrity_name}s=("
        else
          echo -ne "\t  "
        fi
        echo -n "'$sum'"
        ct=$(($ct+1))
        if [ $ct -eq $numsrc ]; then
          echo ')'
        else
          echo
        fi
      done
      plain ""
    #Validate integrity checks
    else 
      integrity_sums=($(eval echo \${${integrity_name}s[@]}))

      if [ ${#integrity_sums[@]} -eq ${#source[@]} ]; then
        msg "Validating source files with ${integrity_name}s"
        errors=0
        idx=0
        for netfile in "${source[@]}"; do
          file=$(strip_url "$netfile")
          echo -n "    $file ... " >&2
          echo "${integrity_sums[$idx]}  $file" | $integrity_name -c - >/dev/null 2>&1
          if [ $? -ne 0 ]; then
            echo "FAILED" >&2
            errors=1
          else
            echo "Passed" >&2
          fi
          idx=$(($idx+1))
        done
        if [ $errors -gt 0 ]; then
          error "One or more files did not pass the validity check!"
          exit 1
        fi
      else
        warning "Integrity checks ($integ) are missing or incomplete."
      fi
    fi
  done

  if [ "$GENINTEG" = "1" ]; then
    exit 0
  fi
fi

#Extract sources
if [ "$NOEXTRACT" = "1" -o "$REPKG" = "1" ]; then
  warning "Skipping source extraction       -- using existing src/ tree"
else
  msg "Extracting Sources..."
  for netfile in "${source[@]}"; do
    unziphack=0
    file=$(strip_url "$netfile")
    if in_array "$file" ${noextract[@]}; then
      #skip source files in the noextract=() array
      #  these are marked explicitly to NOT be extracted
      continue
    fi
    # fix flyspray #6246
    file_type=$(file -biz "$file")
    unset cmd
    case "$file_type" in
      *application/x-tar*)
      cmd="tar -xf $file" ;;
      *application/x-zip*)
      unziphack=1
      cmd="unzip -qqo $file" ;;
      *application/x-cpio*)
      cmd="bsdtar -x -f $file" ;;
      *application/x-gzip*)
      cmd="gunzip -f $file" ;;
      *application/x-bzip*)
      cmd="bunzip2 -f $file" ;;
    esac
    if [ "$cmd" != "" ]; then
      msg2 "$cmd"
      $cmd
      if [ $? -ne 0 ]; then
        # unzip will return a 1 as a warning, it is not an error
        if [ "$unziphack" != "1" -o $? -ne 1 ]; then
          error "Failed to extract $file"
          msg "Aborting..."
          exit 1
        fi
      fi
    fi
  done
  
  if [ "$EUID" = "0" ]; then
    # chown all source files to root.root
    chown -R root.root $startdir/src
  fi
fi

if [ "$NOBUILD" = "1" ]; then
  msg "Sources are ready."
  exit 0
elif [ "$REPKG" = "1" ]; then
  warning "Skipping build"
else
  # check for existing pkg directory
  if [ -d $startdir/pkg ]; then
    msg "Removing existing pkg/ directory..."
    rm -rf $startdir/pkg
  fi
  mkdir -p $startdir/pkg

  # use distcc if requested
  if [ "$USE_DISTCC" = "y" ]; then
    [ -d /usr/lib/distcc/bin ] && export PATH=/usr/lib/distcc/bin:$PATH
  fi

  # use ccache if it's available
  if [ "$USE_CCACHE" = "1" ]; then
    [ -d /usr/lib/ccache/bin ] && export PATH=/usr/lib/ccache/bin:$PATH
  fi

  # build
  msg "Starting build()..."

  #check for "exit on syntax error" shell option
  echo $SHELLOPTS | grep errexit 2>&1 >/dev/null
  set_e=$?

  if [ "$LOGGING" = "1" ]; then
    BUILDLOG="${startdir}/${pkgname}-${pkgver}-${pkgrel}-${CARCH}.log"
    if [ -f "$BUILDLOG" ]; then
      i=1
      while true; do
        if [ -f "$BUILDLOG.$i" ]; then
          i=$(($i +1))
        else
          break
        fi
      done
      mv "$BUILDLOG" "$BUILDLOG.$i"
    fi

    #use 'errexit' to bail on syntax error
    [ $set_e -eq 1 ] && set -e
    build 2>&1 | tee "$BUILDLOG"
    [ $set_e -eq 1 ] && set +e

    if [ ${PIPESTATUS[0]} -gt 0 ]; then
      error "Build Failed.  Aborting..."
      removedeps
      exit 2
    fi
  else
    #use 'errexit' to bail on syntax error
    [ $set_e -eq 1 ] && set -e
    build 2>&1
    [ $set_e -eq 1 ] && set +e
    if [ $? -gt 0 ]; then
      error "Build Failed.  Aborting..."
      removedeps
      exit 2
    fi
  fi
fi

if [ ! "$(check_option KEEPDOCS)" -a "$KEEPDOCS" = "0" ]; then
  # remove info/doc files
  msg "Removing info/doc files..."
  cd $startdir/pkg
  #fix flyspray bug #5021
  rm -rf ${DOC_DIRS[@]}
fi

# move /usr/share/man files to /usr/man
if [ -d pkg/usr/share/man ]; then
  mkdir -p pkg/usr/man 
  cp -a pkg/usr/share/man/* pkg/usr/man/
  rm -rf pkg/usr/share/man
fi

# compress man pages
msg "Compressing man pages..."
find $startdir/pkg/{usr{,/local},opt/*}/man -type f 2>/dev/null | while read i ; do
  ext="${i##*.}"
  fn="${i##*/}"
  if [ "$ext" != "gz" -a "$ext" != "bz2" ]; then
    # update symlinks to this manpage
    find $startdir/pkg/{usr{,/local},opt/*}/man -lname "$fn" 2> /dev/null | while read ln ; do
      rm -f "$ln"
      ln -sf "${fn}.gz" "${ln}.gz"
    done
    # compress the original
    gzip -9 "$i"
  fi
done

cd $startdir

# strip binaries
if [ ! "$(check_option NOSTRIP)" -a "$NOSTRIP" = "0" ]; then
  msg "Stripping debugging symbols from libraries..."
  find pkg/{,usr,usr/local,opt/*}/lib -type f -not -name "*.dll" -not -name "*.exe" \
  -exec /usr/bin/strip --strip-debug '{}' \; 2>&1 \
  | grep -v "No such file" | grep -v "format not recognized"
  msg "Stripping symbols from binaries..."
  find pkg/{,usr,usr/local,opt/*}/{bin,sbin} -type f -not -name "*.dll" -not -name "*.exe" \
  -exec /usr/bin/strip '{}' \; 2>&1 \
  | grep -v "No such file" | grep -v "format not recognized"
fi

# remove libtool (.la) files
if [ "$(check_option NOLIBTOOL)" -a "$NOLIBTOOL" = "1" ]; then
  msg "Removing libtool .la files..."
  find pkg -type f -name "*.la" -exec rm -f -- '{}' \;
fi

# remove empty directories
if [ "$(check_option NOEMPTYDIRS)" -a "$NOEMPTYDIRS" = 1 ]; then
  msg "Removing empty directories..."
  find pkg -depth -type d -empty -delete;
fi

# get some package meta info
builddate=$(LC_ALL= ; LANG= ; date -u "+%a %b %e %H:%M:%S %Y")
if [ "$PACKAGER" != "" ]; then
  packager="$PACKAGER"
else
  packager="Arch Linux (http://www.archlinux.org)"
fi
size=$(du -cb $startdir/pkg | tail -n 1 | awk '{print $1}')

# build a filelist - do this first to keep meta files out of the list
msg "Generating .FILELIST file..."
cd "$startdir/pkg"
tar cvf /dev/null * | sort >.FILELIST

# write the .PKGINFO file
msg "Generating .PKGINFO file..."
cd $startdir/pkg
echo "# Generated by makepkg $myver" >.PKGINFO
echo -n "# " >>.PKGINFO
date >>.PKGINFO
echo "pkgname = $pkgname" >>.PKGINFO
echo "pkgver = $pkgver-$pkgrel" >>.PKGINFO
echo "pkgdesc = $pkgdesc" >>.PKGINFO
echo "url = $url" >>.PKGINFO
echo "builddate = $builddate" >>.PKGINFO
echo "packager = $packager" >>.PKGINFO
echo "size = $size" >>.PKGINFO
if [ "$CARCH" != "" ]; then
  echo "arch = $CARCH" >>.PKGINFO
fi

for it in "${license[@]}"; do
  echo "license = $it" >>.PKGINFO
done
for it in "${replaces[@]}"; do
  echo "replaces = $it" >>.PKGINFO
done
for it in "${groups[@]}"; do
  echo "group = $it" >>.PKGINFO
done
for it in "${depends[@]}"; do
  echo "depend = $it" >>.PKGINFO
done
for it in "${conflicts[@]}"; do
  echo "conflict = $it" >>.PKGINFO
done
for it in "${provides[@]}"; do
  echo "provides = $it" >>.PKGINFO
done
for it in "${backup[@]}"; do
  echo "backup = $it" >>.PKGINFO
done

# check for an install script
if [ "$install" != "" ]; then
  msg "Copying install script..."
  cp "$startdir/$install" "$startdir/pkg/.INSTALL"
fi

# do we have a changelog?
have_changelog=0
if [ -f "$startdir/ChangeLog" ]; then
  msg "Copying package changelog"
  cp "$startdir/ChangeLog" "$startdir/pkg/.CHANGELOG"
  have_changelog=1
fi

# tar it up
msg "Compressing package..."
cd "$startdir/pkg"

pkg_file="$PKGDEST/$pkgname-$pkgver-$pkgrel-${CARCH}.${PKGEXT}"
comp_files=".PKGINFO .FILELIST ${install:+.INSTALL}"
[ $have_changelog -eq 1 ] && comp_files=".CHANGELOG $comp_files"

if ! tar czf $pkg_file $comp_files *; then
  error "Failed to create package file." 
  exit 1
fi

cd "$startdir"
if [ "$CLEANUP" = "1" ]; then
  msg "Cleaning up..."
  rm -rf src pkg
  rm -rf ${pkgname}-${pkgver}-${pkgrel}-${CARCH}.log*
fi

removedeps

msg "Finished making: $pkgname  ($(date))"

if [ "$INSTALL" = "1" -a "$EUID" = "0" -a "$INFAKEROOT" != "1" ]; then
  msg "Installing package with pacman -U..."
  pacman $PACMAN_OPTS -U $PKGDEST/${pkgname}-${pkgver}-${pkgrel}-${CARCH}.${PKGEXT}
  exit $?
elif [ "$INSTALL" = "1" -a "$DEP_SUDO" = "1" ]; then
  msg "Installing package with pacman -U..."
  if [ "$INFAKEROOT" = "1" ]; then
    FAKEROOTKEY2=$FAKEROOTKEY
    unset FAKEROOTKEY
  fi
  sudo pacman $PACMAN_OPTS -U $PKGDEST/${pkgname}-${pkgver}-${pkgrel}-${CARCH}.${PKGEXT}
  if [ "$INFAKEROOT" = "1" ]; then
    export FAKEROOTKEY=$FAKEROOTKEY2
    unset FAKEROOTKEY2
  fi
fi

exit 0
# vim: set ts=2 sw=2 noet: