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