* Merge the gcc-4.1 changes into 3.4.
svn path=/nixpkgs/trunk/; revision=6855
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@ -7,47 +7,31 @@ mkdir $NIX_FIXINC_DUMMY
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if test "$noSysDirs" = "1"; then
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if test "$noSysDirs" = "1"; then
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if test -e $NIX_GCC/nix-support/orig-libc; then
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# Figure out what extra flags to pass to the gcc compilers
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# being generated to make sure that they use our glibc.
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if test -e $NIX_GCC/nix-support/orig-glibc; then
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glibc=$(cat $NIX_GCC/nix-support/orig-glibc)
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# Ugh. Copied from gcc-wrapper/builder.sh. We can't just
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# source in $NIX_GCC/nix-support/add-flags, since that
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# would cause *this* GCC to be linked against the
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# *previous* GCC. Need some more modularity there.
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extraCFlags="-B$glibc/lib -isystem $glibc/include"
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extraLDFlags="-B$glibc/lib -L$glibc/lib -Wl,-s \
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-Wl,-dynamic-linker,$glibc/lib/ld-linux.so.2"
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extraCFlags="$(cat $NIX_GCC/nix-support/libc-cflags)"
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extraLDFlags="$(cat $NIX_GCC/nix-support/libc-ldflags) $(cat $NIX_GCC/nix-support/libc-ldflags-before)"
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# Oh, what a hack. I should be shot for this.
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# In stage 1, we should link against the previous GCC, but
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# not afterwards. Otherwise we retain a dependency.
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# However, ld-wrapper, which adds the linker flags for the
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# previous GCC, is also used in stage 2/3. We can prevent
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# it from adding them by NIX_GLIBC_FLAGS_SET, but then
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# gcc-wrapper will also not add them, thereby causing
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# stage 1 to fail. So we use a trick to only set the
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# flags in gcc-wrapper.
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hook=$(pwd)/ld-wrapper-hook
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echo "NIX_GLIBC_FLAGS_SET=1" > $hook
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export NIX_LD_WRAPPER_START_HOOK=$hook
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# Use *real* header files, otherwise a limits.h is
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# generated that does not include Glibc's limits.h
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# (notably missing SSIZE_MAX, which breaks the build).
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export NIX_FIXINC_DUMMY=$glibc/include
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fi
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export NIX_EXTRA_CFLAGS=$extraCFlags
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export NIX_EXTRA_LDFLAGS=$extraLDFlags
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export CFLAGS=$extraCFlags
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export LDFLAGS=$extraLDFlags
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# Use *real* header files, otherwise a limits.h is generated
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# that does not include Glibc's limits.h (notably missing
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# SSIZE_MAX, which breaks the build).
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export NIX_FIXINC_DUMMY=$(cat $NIX_GCC/nix-support/orig-libc)/include
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else
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# Hack: support impure environments.
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extraCFlags="-isystem /usr/include"
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extraLDFlags="-L/usr/lib64 -L/usr/lib"
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export NIX_FIXINC_DUMMY=/usr/include
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fi
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else
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patches=""
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export NIX_EXTRA_CFLAGS=$extraCFlags
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for i in $extraLDFlags; do
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export NIX_EXTRA_LDFLAGS="$NIX_EXTRA_LDFLAGS -Wl,$i"
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done
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export CFLAGS=$extraCFlags
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export CXXFLAGS=$extraCFlags
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fi
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@ -68,7 +52,7 @@ preConfigure() {
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cd ../build
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configureScript=../$sourceRoot/configure
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configureFlags="--enable-languages=$langs"
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configureFlags="--enable-languages=$langs $configureFlags"
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}
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@ -85,9 +69,9 @@ postInstall() {
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if test -z "$profiledCompiler"; then
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makeFlags="bootstrap"
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makeFlags="bootstrap $makeFlags"
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else
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makeFlags="profiledbootstrap"
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makeFlags="profiledbootstrap $makeFlags"
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fi
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genericBuild
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@ -12,8 +12,9 @@ stdenv.mkDerivation {
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url = http://nix.cs.uu.nl/dist/tarballs/gcc-3.4.6.tar.bz2;
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md5 = "4a21ac777d4b5617283ce488b808da7b";
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};
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# !!! apply only if noSysDirs is set
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patches = [./no-sys-dirs.patch];
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patches = if noSysDirs then [./no-sys-dirs.patch] else [];
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inherit noSysDirs langC langCC langF77 profiledCompiler;
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meta = {
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