rpm-build/scripts/cpp.req.in
2011-02-27 07:17:15 +03:00

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#!/bin/sh -efu
#
# Copyright (C) 2008 Alexey Tourbin <at@altlinux.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.
. @RPMCONFIGDIR@/functions
. @RPMCONFIGDIR@/find-package
[ -n "${RPM_LIBDIR-}" ] || RPM_LIBDIR=`rpm --eval %_libdir`
PKG_CONFIG_PATH=$RPM_LIBDIR/pkgconfig:/usr/share/pkgconfig
[ -z "${RPM_BUILD_ROOT-}" ] ||
PKG_CONFIG_PATH=$RPM_BUILD_ROOT$RPM_LIBDIR/pkgconfig:$RPM_BUILD_ROOT/usr/share/pkgconfig:$PKG_CONFIG_PATH
export PKG_CONFIG_PATH
PkgconfigCflags()
{
local f="$1"; shift
local pc_files
if [ -n "${RPM_BUILD_ROOT-}" ]; then
pc_files=$(set +f; ls "$RPM_BUILD_ROOT$RPM_LIBDIR/pkgconfig"/*.pc 2>/dev/null ||:)
else
pc_files=$(rpmquery -f "$f" --list 2>/dev/null |
egrep "^$RPM_LIBDIR/pkgconfig/[^/]+[.]pc\$" || [ $? = 1 ])
fi
[ -n "$pc_files" ] || return 0
local pc
for pc in $pc_files; do
pkg-config --enable-recursion --cflags "$pc" ||
Fatal "$pc: pkg-config failed"
done
}
Cflags()
{
local f="$1"; shift
local cflags
cflags=$(PkgconfigCflags "$f")
set -- $cflags -I/usr/include -I${f%/*} -I${f%/*/*} -I${f%/*/*/*}
local cf
for cf; do
case $cf in
-D?*) echo $cf ;;
esac
done
for cf; do
[ -n "${RPM_BUILD_ROOT-}" ] || continue
case $cf in
-I/*) echo -I$RPM_BUILD_ROOT${cf#-I} ;;
esac
done
for cf; do
case $cf in
-I/*) echo $cf ;;
esac
done
}
gcc=
cpp=
cxx=
CppReq()
{
local f="$1"; shift
local srpm="${RPM_PACKAGE_NAME-}"
[ -n "$srpm" ] || srpm=$(rpmquery --qf='%{SOURCERPM}' -f "$f" 2>/dev/null) || srpm=foo
case "$srpm" in
gcc | gcc-[345]* | gcc[345]* )
[ -n "$gcc" ] ||
Verbose "$f: $PROG disabled for gcc"
gcc=$srpm
return 0 ;;
esac
if [ -z "$cpp" ]; then
cpp=/usr/bin/${RPM_ARCH:-noarch}-alt-linux-cpp
[ -x "$cpp" ] || cpp=/usr/bin/cpp
[ -z "${GCC_VERSION-}" ] || cpp=$cpp-$GCC_VERSION
Debug "cpp=$cpp"
fi
cflags=$(Cflags "$f")
Debug "$f: cflags:" $cflags
if ! out=$("$cpp" -w $cxx $cflags "$f"); then
if [ -n "$cxx" ]; then
Warning "$f: cpp failed"
return 0
fi
Info "$f: cpp failed, trying c++ mode"
cxx='-x c++'
if ! out=$("$cpp" -w $cxx $cflags "$f"); then
cxx=
Warning "$f: cpp failed"
return 0
fi
fi
echo "$out" |grep '^#' |awk -v prog="$PROG" -v hdr="$f" '
# info cpp "Preprocessor Output"
BEGIN {
SP = 0
Stack[SP] = hdr
}
function filename(f) {
if (!sub(/^"\//, "/", f) ||
!sub(/"$/, "", f))
printf "%s: %s: bad path %s\n",
prog, hdr, f >"/dev/stderr"
return f
}
function Push(f) {
f=filename(f)
Stack[++SP]=f
if (SP==1)
print f
}
function Pop(f) {
f=filename(f)
if (f != Stack[--SP])
printf "%s: %s: expected pop %s, got pop %s\n",
prog, hdr, Stack[SP], f >"/dev/stderr"
}
$4==1 { Push($3) }
$4==2 { Pop($3) }
END {
if (SP > 0)
printf "%s: %s: non-empty stack, top %s\n",
prog, hdr, Stack[SP] >"/dev/stderr"
}' |
while read -r h; do
RPM_FINDPACKAGE_HOST_PKG_NAMES=1
FindPackage "$f" "${h#${RPM_BUILD_ROOT-}}"
done
}
ArgvFileAction CppReq "$@"