22cc5407cd
Include files are typically in the libc package's `dev` output but previously `-isystem` was looking in `out`, resulting in my cross-compilation environment not finding its include files.
121 lines
3.7 KiB
Bash
121 lines
3.7 KiB
Bash
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 "$nativeLibc" -a -n "$libc"; then
|
|
cflagsCompile="$cflagsCompile -B$gccLibs/lib -B$libc/lib/ -isystem $libc_dev/include"
|
|
ldflags="$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 > $out/nix-support/orig-libc
|
|
test -n "$libc_dev" && echo $libc_dev > $out/nix-support/orig-libc-dev
|
|
|
|
doSubstitute "$addFlags" "$out/nix-support/add-flags"
|
|
|
|
doSubstitute "$setupHook" "$out/nix-support/setup-hook"
|
|
|
|
cp -p $utils $out/nix-support/utils
|