forked from mirrors/nixpkgs
91 lines
2.4 KiB
Bash
91 lines
2.4 KiB
Bash
source $stdenv/setup
|
|
|
|
|
|
FIXINC_DUMMY=$NIX_BUILD_TOP/dummy
|
|
mkdir $FIXINC_DUMMY
|
|
|
|
|
|
# libstdc++ needs this; otherwise it will use /lib/cpp, which is a Bad
|
|
# Thing.
|
|
export CPP="gcc -E"
|
|
|
|
|
|
preConfigure() {
|
|
|
|
if test "$noSysDirs" = "1"; then
|
|
# Disable the standard include directories.
|
|
cat >> ./gcc/cppdefault.h <<EOF
|
|
#undef LOCAL_INCLUDE_DIR
|
|
#undef SYSTEM_INCLUDE_DIR
|
|
#undef STANDARD_INCLUDE_DIR
|
|
EOF
|
|
fi
|
|
|
|
# Determine the frontends to build.
|
|
langs="c"
|
|
if test -n "$langCC"; then
|
|
langs="$langs,c++"
|
|
fi
|
|
if test -n "$langF77"; then
|
|
langs="$langs,f77"
|
|
fi
|
|
|
|
# Perform the build in a different directory.
|
|
mkdir ../build
|
|
cd ../build
|
|
|
|
configureScript=../$sourceRoot/configure
|
|
configureFlags="--enable-languages=$langs"
|
|
}
|
|
|
|
preConfigure=preConfigure
|
|
|
|
|
|
postConfigure() {
|
|
if test "$noSysDirs" = "1"; then
|
|
# Patch some of the makefiles to force linking against our own
|
|
# glibc.
|
|
if test -e $NIX_GCC/nix-support/orig-libc; then
|
|
glibc=$(cat $NIX_GCC/nix-support/orig-libc)
|
|
# Ugh. Copied from gcc-wrapper/builder.sh. We can't just
|
|
# source in $NIX_GCC/nix-support/add-flags, since that
|
|
# would cause *this* GCC to be linked against the
|
|
# *previous* GCC. Need some more modularity there.
|
|
extraFlags="-Wl,-s -B$glibc/lib -isystem $glibc/include \
|
|
-L$glibc/lib -Wl,-dynamic-linker -Wl,$glibc/lib/ld-linux.so.2"
|
|
|
|
# Use *real* header files, otherwise a limits.h is generated
|
|
# that does not include Glibc's limits.h (notably missing
|
|
# SSIZE_MAX, which breaks the build).
|
|
export FIXINC_DUMMY=$(cat $NIX_GCC/nix-support/orig-libc)/include
|
|
fi
|
|
|
|
mf=Makefile
|
|
sed \
|
|
-e "s^FLAGS_FOR_TARGET =\(.*\)^FLAGS_FOR_TARGET = \1 $extraFlags^" \
|
|
< $mf > $mf.tmp
|
|
mv $mf.tmp $mf
|
|
|
|
mf=gcc/Makefile
|
|
sed \
|
|
-e "s^X_CFLAGS =\(.*\)^X_CFLAGS = \1 $extraFlags^" \
|
|
< $mf > $mf.tmp
|
|
mv $mf.tmp $mf
|
|
|
|
# Patch gcc/Makefile to prevent fixinc.sh from "fixing" system
|
|
# header files from /usr/include.
|
|
mf=gcc/Makefile
|
|
sed \
|
|
-e "s^NATIVE_SYSTEM_HEADER_DIR =\(.*\)^NATIVE_SYSTEM_HEADER_DIR = $FIXINC_DUMMY^" \
|
|
< $mf > $mf.tmp
|
|
mv $mf.tmp $mf
|
|
fi
|
|
}
|
|
|
|
postConfigure=postConfigure
|
|
|
|
|
|
buildFlags="bootstrap"
|
|
|
|
genericBuild
|