nixpkgs/pkgs/development/tools/misc/ccache/default.nix
Dmitry Kalinkin 96d2a6c434 ccache: improve compiler wrapper
* move compiler detection logic from nix to bash
* robust inheritance of isGNU/isClang

Fixes: d3274e8ae3 ('ccache: support clang in ccache.links')
Fixes: 634824d50b ('ccache: fix references to stdenv.cc.cc.isClang')
2016-09-18 14:54:12 -04:00

76 lines
2 KiB
Nix

{ stdenv, fetchurl, fetchpatch, runCommand, zlib }:
let ccache = stdenv.mkDerivation rec {
name = "ccache-${version}";
version = "3.2.5";
src = fetchurl {
sha256 = "11db1g109g0g5si0s50yd99ja5f8j4asxb081clvx78r9d9i2w0i";
url = "mirror://samba/ccache/${name}.tar.xz";
};
buildInputs = [ zlib ];
postPatch = ''
substituteInPlace Makefile.in --replace 'objs) $(extra_libs)' 'objs)'
'';
doCheck = !stdenv.isDarwin;
passthru = let
unwrappedCC = stdenv.cc.cc;
in {
# A derivation that provides gcc and g++ commands, but that
# will end up calling ccache for the given cacheDir
links = extraConfig: stdenv.mkDerivation rec {
name = "ccache-links";
passthru = {
isClang = unwrappedCC.isClang or false;
isGNU = unwrappedCC.isGNU or false;
};
inherit (unwrappedCC) lib;
buildCommand = ''
mkdir -p $out/bin
wrap() {
local cname="$1"
if [ -x "${unwrappedCC}/bin/$cname" ]; then
cat > $out/bin/$cname << EOF
#!/bin/sh
${extraConfig}
exec ${ccache}/bin/ccache ${unwrappedCC}/bin/$cname "\$@"
EOF
chmod +x $out/bin/$cname
fi
}
wrap cc
wrap c++
wrap gcc
wrap g++
wrap clang
wrap clang++
for executable in $(ls ${unwrappedCC}/bin); do
if [ ! -x "$out/bin/$executable" ]; then
ln -s ${unwrappedCC}/bin/$executable $out/bin/$executable
fi
done
for file in $(ls ${unwrappedCC} | grep -vw bin); do
ln -s ${unwrappedCC}/$file $out/$file
done
'';
};
};
meta = with stdenv.lib; {
description = "Compiler cache for fast recompilation of C/C++ code";
homepage = http://ccache.samba.org/;
downloadPage = https://ccache.samba.org/download.html;
license = licenses.gpl3Plus;
maintainers = with maintainers; [ nckx ];
platforms = platforms.unix;
};
};
in ccache