llvm 6: Fix libcxxabi impurity and darwin sanitizers

This commit is contained in:
John Ericson 2018-06-14 10:22:33 -04:00
parent 1eacf21bd4
commit fc9644d4c9
3 changed files with 25 additions and 22 deletions

View file

@ -1,4 +1,4 @@
{ stdenv, version, fetch, cmake, python, llvm }:
{ stdenv, version, fetch, cmake, python, llvm, libcxxabi }:
with stdenv.lib;
stdenv.mkDerivation rec {
name = "compiler-rt-${version}";
@ -6,12 +6,13 @@ stdenv.mkDerivation rec {
src = fetch "compiler-rt" "16m7rvh3w6vq10iwkjrr1nn293djld3xm62l5zasisaprx117k6h";
nativeBuildInputs = [ cmake python llvm ];
buildInputs = stdenv.lib.optional stdenv.hostPlatform.isDarwin libcxxabi;
configureFlags = [
"-DCOMPILER_RT_DEFAULT_TARGET_ONLY=ON"
];
outputs = [ "dev" "out" ];
outputs = [ "out" "dev" ];
patches = [
./compiler-rt-codesign.patch # Revert compiler-rt commit that makes codesign mandatory
@ -27,5 +28,10 @@ stdenv.mkDerivation rec {
--replace 'set(COMPILER_RT_HAS_TSAN TRUE)' 'set(COMPILER_RT_HAS_TSAN FALSE)'
'';
# Hack around weird upsream RPATH bug
postInstall = stdenv.lib.optionalString stdenv.isDarwin ''
ln -s "$out/lib"/*/* "$out/lib"
'';
enableParallelBuilding = true;
}

View file

@ -23,9 +23,19 @@ let
tools = stdenv.lib.makeExtensible (tools: let
callPackage = newScope (tools // { inherit stdenv cmake libxml2 python2 isl release_version version fetch; });
mkExtraBuildCommands = cc: ''
rsrc="$out/resource-root"
mkdir "$rsrc"
ln -s "${cc}/lib/clang/${release_version}/include" "$rsrc"
ln -s "${targetLlvmLibraries.compiler-rt.out}/lib" "$rsrc/lib"
echo "-resource-dir=$rsrc" >> $out/nix-support/cc-cflags
'' + stdenv.lib.optionalString stdenv.targetPlatform.isLinux ''
echo "--gcc-toolchain=${tools.clang-unwrapped.gcc}" >> $out/nix-support/cc-cflags
'';
in {
llvm = overrideManOutput (callPackage ./llvm.nix { });
clang-unwrapped = overrideManOutput (callPackage ./clang {
inherit clang-tools-extra_src;
});
@ -38,16 +48,11 @@ let
libstdcxxClang = wrapCCWith rec {
cc = tools.clang-unwrapped;
extraPackages = [ libstdcxxHook targetLlvmLibraries.compiler-rt ];
extraBuildCommands = ''
rsrc="$out/resource-root"
mkdir "$rsrc"
ln -s "${cc}/lib/clang/${release_version}/include" "$rsrc"
ln -s "${targetLlvmLibraries.compiler-rt.out}/lib" "$rsrc/lib"
echo "-resource-dir=$rsrc" >> $out/nix-support/cc-cflags
'' + stdenv.lib.optionalString stdenv.targetPlatform.isLinux ''
echo "--gcc-toolchain=${tools.clang-unwrapped.gcc}" >> $out/nix-support/cc-cflags
'';
extraPackages = [
libstdcxxHook
targetLlvmLibraries.compiler-rt
];
extraBuildCommands = mkExtraBuildCommands cc;
};
libcxxClang = wrapCCWith rec {
@ -57,15 +62,7 @@ let
targetLlvmLibraries.libcxxabi
targetLlvmLibraries.compiler-rt
];
extraBuildCommands = ''
rsrc="$out/resource-root"
mkdir "$rsrc"
ln -s "${cc}/lib/clang/${release_version}/include" "$rsrc"
ln -s "${targetLlvmLibraries.compiler-rt.out}/lib" "$rsrc/lib"
echo "-resource-dir=$rsrc" >> $out/nix-support/cc-cflags
'' + stdenv.lib.optionalString stdenv.targetPlatform.isLinux ''
echo "--gcc-toolchain=${tools.clang-unwrapped.gcc}" >> $out/nix-support/cc-cflags
'';
extraBuildCommands = mkExtraBuildCommands cc;
};
lld = callPackage ./lld.nix {};

View file

@ -3,7 +3,7 @@ with stdenv.lib;
let
# Sanitizers are not supported on Darwin.
# Sanitizer headers aren't available in older libc++ stdenvs due to a bug
sanitizersBroken = stdenv.isDarwin || stdenv.cc.isClang && builtins.compareVersions (getVersion stdenv.cc.name) "6.0.0" < 0;
sanitizersBroken = stdenv.cc.isClang && versionOlder (getVersion stdenv.cc.name) "6.0.0";
in stdenv.mkDerivation {
name = "cc-wrapper-test";