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source $stdenv/setup
mkdir $out
mkdir $out/bin
mkdir $out/nix-support
# Force gcc to use ld-wrapper.sh when calling ld.
cflagsCompile="-B$out/bin/"
if test -z "$nativeLibc"; then
cflagsCompile="$cflagsCompile -B$gccLibs/lib -B$libc/lib/ -isystem $libc/include"
ldflags="$ldflags -L$libc/lib"
# Get the proper dynamic linker for glibc and uclibc.
dlinker=`eval 'echo $libc/lib/ld*.so.?'`
if [ -n "$dlinker" ]; then
ldflagsBefore="-dynamic-linker $dlinker"
# The same as above, but put into files, useful for the gcc builder.
echo $dlinker > $out/nix-support/dynamic-linker
# This trick is to avoid dependencies on the cross-toolchain gcc
# for libgcc, libstdc++, ...
# -L is for libtool's .la files, and -rpath for the usual fixupPhase
# shrinking rpaths.
if [ -n "$gccLibs" ]; then
ldflagsBefore="$ldflagsBefore -rpath $gccLibs/lib"
fi
fi
if [ -n "$osxMinVersion" ]; then
cflagsCompile="$cflagsCompile -mmacosx-version-min=$osxMinVersion"
fi
echo "$cflagsCompile -B$libc/lib/ -idirafter $libc/include -idirafter $gcc/lib/gcc/*/*/include-fixed" > $out/nix-support/libc-cflags
echo "-L$libc/lib -rpath $libc/lib -rpath-link $libc/lib" > $out/nix-support/libc-ldflags
# The dynamic linker is passed in `ldflagsBefore' to allow
# explicit overrides of the dynamic linker by callers to gcc/ld
# (the *last* value counts, so ours should come first).
echo "$ldflagsBefore" > $out/nix-support/libc-ldflags-before
fi
if test -n "$nativeTools"; then
gccPath="$nativePrefix/bin"
ldPath="$nativePrefix/bin"
else
ldflags="$ldflags -L$gcc/lib -L$gcc/lib64"
gccPath="$gcc/bin"
ldPath="$binutils/$crossConfig/bin"
fi
doSubstitute() {
local src=$1
local dst=$2
substitute "$src" "$dst" \
--subst-var "out" \
--subst-var "shell" \
--subst-var "gcc" \
--subst-var "gccProg" \
--subst-var "binutils" \
--subst-var "libc" \
--subst-var "cflagsCompile" \
--subst-var "cflagsLink" \
--subst-var "ldflags" \
--subst-var "ldflagsBefore" \
--subst-var "ldPath" \
--subst-var-by "ld" "$ldPath/ld"
}
# Make wrapper scripts around gcc, g++, and g77. Also make symlinks
# cc, c++, and f77.
mkGccWrapper() {
local dst=$1
local src=$2
if ! test -f "$src"; then
echo "$src does not exist (skipping)"
return
fi
gccProg="$src"
doSubstitute "$gccWrapper" "$dst"
chmod +x "$dst"
}
mkGccWrapper $out/bin/$crossConfig-gcc $gccPath/$crossConfig-gcc
#ln -s gcc $out/bin/cc
mkGccWrapper $out/bin/$crossConfig-g++ $gccPath/$crossConfig-g++
ln -s $crossConfig-g++ $out/bin/$crossConfig-c++
mkGccWrapper $out/bin/$crossConfig-cpp $gccPath/$crossConfig-cpp
mkGccWrapper $out/bin/$crossConfig-g77 $gccPath/$crossConfig-g77
ln -s $crossConfig-g77 $out/bin/$crossConfig-f77
ln -s $binutils/bin/$crossConfig-ar $out/bin/$crossConfig-ar
ln -s $binutils/bin/$crossConfig-as $out/bin/$crossConfig-as
ln -s $binutils/bin/$crossConfig-nm $out/bin/$crossConfig-nm
ln -s $binutils/bin/$crossConfig-strip $out/bin/$crossConfig-strip
# Make a wrapper around the linker.
doSubstitute "$ldWrapper" "$out/bin/$crossConfig-ld"
chmod +x "$out/bin/$crossConfig-ld"
# Emit a setup hook. Also store the path to the original GCC and
# Glibc.
test -n "$gcc" && echo $gcc > $out/nix-support/orig-cc
test -n "$libc" && echo $libc > $out/nix-support/orig-libc
doSubstitute "$addFlags" "$out/nix-support/add-flags"
doSubstitute "$setupHook" "$out/nix-support/setup-hook"
cp -p $utils $out/nix-support/utils
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