mirror of
https://github.com/NixOS/nixpkgs.git
synced 2024-12-15 00:54:46 +00:00
49 lines
1.2 KiB
Nix
49 lines
1.2 KiB
Nix
{ runCommand,
|
|
clang,
|
|
gcc64,
|
|
gcc32,
|
|
glibc_multi
|
|
}:
|
|
|
|
let
|
|
combine = basegcc: runCommand "combine-gcc-libc" {} ''
|
|
mkdir -p $out
|
|
cp -r ${basegcc.cc}/lib $out/lib
|
|
|
|
chmod u+rw -R $out/lib
|
|
cp -r ${basegcc.libc}/lib/* $(ls -d $out/lib/gcc/*/*)
|
|
'';
|
|
gcc_multi_sysroot = runCommand "gcc-multi-sysroot" {} ''
|
|
mkdir -p $out/lib/gcc
|
|
|
|
ln -s ${combine gcc64}/lib/gcc/* $out/lib/gcc/
|
|
ln -s ${combine gcc32}/lib/gcc/* $out/lib/gcc/
|
|
# XXX: This shouldn't be needed, clang just doesn't look for "i686-unknown"
|
|
ln -s $out/lib/gcc/i686-unknown-linux-gnu $out/lib/gcc/i686-pc-linux-gnu
|
|
|
|
|
|
# includes
|
|
ln -s ${glibc_multi.dev}/include $out/
|
|
|
|
# dynamic linkers
|
|
mkdir -p $out/lib/32
|
|
ln -s ${glibc_multi.out}/lib/ld-linux* $out/lib
|
|
ln -s ${glibc_multi.out}/lib/32/ld-linux* $out/lib/32/
|
|
'';
|
|
|
|
clangMulti = clang.override {
|
|
# Only used for providing expected structure re:dynamic linkers, AFAIK
|
|
# Most of the magic is done by setting the --gcc-toolchain option below
|
|
libc = gcc_multi_sysroot;
|
|
|
|
bintools = clang.bintools.override {
|
|
libc = gcc_multi_sysroot;
|
|
};
|
|
|
|
extraBuildCommands = ''
|
|
sed -e '$a --gcc-toolchain=${gcc_multi_sysroot}' -i $out/nix-support/libc-cflags
|
|
'';
|
|
};
|
|
|
|
in clangMulti
|