83 lines
1.9 KiB
Bash
83 lines
1.9 KiB
Bash
. $stdenv/setup
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# Force gcc to use ld-wrapper.sh when calling ld.
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cflagsCompile="-B$out/bin"
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if test -z "$nativeGlibc"; then
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# The "-B$glibc/lib" flag is a quick hack to force gcc to link
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# against the crt1.o from our own glibc, rather than the one in
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# /usr/lib. The real solution is of course to prevent those paths
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# from being used by gcc in the first place.
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cflagsCompile="$cflagsCompile -B$glibc/lib -isystem $glibc/include"
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ldflags="$ldflags -L$glibc/lib -rpath $glibc/lib -dynamic-linker $glibc/lib/ld-linux.so.2"
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fi
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if test -n "$nativeTools"; then
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gccPath="$nativePrefix/bin"
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ldPath="$nativePrefix/bin"
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else
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ldflags="$ldflags -L$gcc/lib -rpath $gcc/lib"
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gccPath="$gcc/bin"
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ldPath="$binutils/bin"
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fi
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mkdir $out
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mkdir $out/bin
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mkGccWrapper () {
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local dst=$1
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local src=$2
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if ! test -f "$src"; then
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echo "$src does not exist (skipping)"
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return
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fi
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sed \
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-e "s^@gcc@^$src^g" \
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-e "s^@out@^$out^g" \
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-e "s^@bash@^$SHELL^g" \
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< $gccWrapper > $dst
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chmod +x $dst
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}
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mkGccWrapper $out/bin/gcc $gccPath/gcc
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ln -s gcc $out/bin/cc
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mkGccWrapper $out/bin/g++ $gccPath/g++
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ln -s g++ $out/bin/c++
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mkGccWrapper $out/bin/g77 $gccPath/g77
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ln -s g77 $out/bin/f77
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sed \
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-e "s^@out@^$out^g" \
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-e "s^@ldflags@^$ldflags^g" \
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-e "s^@ld@^$ldPath/ld^g" \
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-e "s^@bash@^$SHELL^g" \
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< $ldWrapper > $out/bin/ld
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chmod +x $out/bin/ld
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mkdir $out/nix-support
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test -n "$gcc" && echo $gcc > $out/nix-support/orig-gcc
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test -n "$glibc" && echo $glibc > $out/nix-support/orig-glibc
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cat > $out/nix-support/add-flags <<EOF
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NIX_CFLAGS_COMPILE="$cflagsCompile \$NIX_CFLAGS_COMPILE"
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NIX_CFLAGS_LINK="$cflagsLink \$NIX_CFLAGS_LINK"
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NIX_LDFLAGS="$ldflags \$NIX_LDFLAGS"
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EOF
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sed \
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-e "s^@gcc@^$gcc^g" \
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-e "s^@binutils@^$binutils^g" \
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-e "s^@glibc@^$glibc^g" \
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< $setupHook > $out/nix-support/setup-hook
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cp -p $utils $out/nix-support/utils
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