28b6fb61e6
This is done for the sake of Yosemite, which does not have gcc, and yet this change is also compatible with Linux.
132 lines
3.8 KiB
Bash
132 lines
3.8 KiB
Bash
source $stdenv/setup
|
|
|
|
|
|
export NIX_FIXINC_DUMMY=$NIX_BUILD_TOP/dummy
|
|
mkdir $NIX_FIXINC_DUMMY
|
|
|
|
|
|
# libstdc++ needs this; otherwise it will use /lib/cpp, which is a Bad
|
|
# Thing.
|
|
export CPP="gcc -E"
|
|
|
|
|
|
if test "$noSysDirs" = "1"; then
|
|
|
|
# Figure out what extra flags to pass to the gcc compilers being
|
|
# generated to make sure that they use our glibc.
|
|
if test -e $NIX_CC/nix-support/orig-glibc; then
|
|
glibc=$(cat $NIX_CC/nix-support/orig-glibc)
|
|
|
|
# Ugh. Copied from gcc-wrapper/builder.sh. We can't just
|
|
# source in $NIX_CC/nix-support/add-flags, since that would
|
|
# cause *this* GCC to be linked against the *previous* GCC.
|
|
# Need some more modularity there.
|
|
extraCFlags="-B$glibc/lib -isystem $glibc/include"
|
|
extraLDFlags="-B$glibc/lib -L$glibc/lib -Wl,-s \
|
|
-Wl,-dynamic-linker,$glibc/lib/ld-linux.so.2"
|
|
|
|
# Oh, what a hack. I should be shot for this. In stage 1, we
|
|
# should link against the previous GCC, but not afterwards.
|
|
# Otherwise we retain a dependency. However, ld-wrapper,
|
|
# which adds the linker flags for the previous GCC, is also
|
|
# used in stage 2/3. We can prevent it from adding them by
|
|
# NIX_GLIBC_FLAGS_SET, but then gcc-wrapper will also not add
|
|
# them, thereby causing stage 1 to fail. So we use a trick to
|
|
# only set the flags in gcc-wrapper.
|
|
hook=$(pwd)/ld-wrapper-hook
|
|
echo "NIX_GLIBC_FLAGS_SET=1" > $hook
|
|
export NIX_LD_WRAPPER_START_HOOK=$hook
|
|
|
|
# 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 NIX_FIXINC_DUMMY=$glibc/include
|
|
fi
|
|
|
|
export NIX_EXTRA_CFLAGS=$extraCFlags
|
|
export NIX_EXTRA_LDFLAGS=$extraLDFlags
|
|
export CFLAGS=$extraCFlags
|
|
export CXXFLAGS=$extraCFlags
|
|
export LDFLAGS=$extraLDFlags
|
|
fi
|
|
|
|
|
|
preConfigure() {
|
|
|
|
# Determine the frontends to build.
|
|
langs="c"
|
|
if test -n "$langCC"; then
|
|
langs="$langs,c++"
|
|
fi
|
|
if test -n "$langF77"; then
|
|
langs="$langs,f95"
|
|
fi
|
|
if test -n "$langObjC"; then
|
|
langs="$langs,objc"
|
|
fi
|
|
|
|
# Perform the build in a different directory.
|
|
mkdir ../build
|
|
cd ../build
|
|
|
|
configureScript=../$sourceRoot/configure
|
|
configureFlags="--enable-languages=$langs --disable-libstdcxx-pch --disable-libstdcxx-debug --disable-multilib --with-gxx-include-dir=${STDCXX_INCDIR} --host=x86_64-apple-darwin10 --build=x86_64-apple-darwin10 --target=x86_64-apple-darwin10"
|
|
}
|
|
|
|
|
|
postInstall() {
|
|
# Remove precompiled headers for now. They are very big and
|
|
# probably not very useful yet.
|
|
find $out/include -name "*.gch" -exec rm -rf {} \; -prune
|
|
|
|
# Remove `fixincl' to prevent a retained dependency on the
|
|
# previous gcc.
|
|
rm -rf $out/libexec/gcc/*/*/install-tools
|
|
}
|
|
|
|
|
|
postUnpack() {
|
|
mv $libstdcxx/libstdcxx $sourceRoot/
|
|
}
|
|
|
|
|
|
STDCXX_INCDIR="$out/include/c++/4.2.1"
|
|
|
|
genericBuild
|
|
|
|
|
|
echo '-------------------------------------------------------------------------------------------------------------------------'
|
|
echo 'libstdcxx'
|
|
echo '-------------------------------------------------------------------------------------------------------------------------'
|
|
|
|
cd ..
|
|
pwd
|
|
|
|
unpackPhase () {
|
|
true
|
|
}
|
|
|
|
patchPhase() {
|
|
true
|
|
}
|
|
|
|
preConfigure() {
|
|
# Perform the build in a different directory.
|
|
mkdir ../build_libstdcxx
|
|
cd ../build_libstdcxx
|
|
|
|
ln -s ../build/gcc gcc
|
|
|
|
configureScript=../$sourceRoot/libstdcxx/configure
|
|
configureFlags="--disable-libstdcxx-pch --disable-libstdcxx-debug --disable-multilib --with-gxx-include-dir=${STDCXX_INCDIR}"
|
|
}
|
|
|
|
postInstall() {
|
|
echo "cp -v ${STDCXX_INCDIR}/*/bits/* ${STDCXX_INCDIR}/bits/"
|
|
cp -v ${STDCXX_INCDIR}/*/bits/* ${STDCXX_INCDIR}/bits/
|
|
}
|
|
|
|
genericBuild
|
|
|
|
ln -s $out/lib/x86_64 $out/lib64
|