diff options
Diffstat (limited to 'nixpkgs/pkgs/development/compilers/llvm/7/compiler-rt.nix')
-rw-r--r-- | nixpkgs/pkgs/development/compilers/llvm/7/compiler-rt.nix | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/development/compilers/llvm/7/compiler-rt.nix b/nixpkgs/pkgs/development/compilers/llvm/7/compiler-rt.nix new file mode 100644 index 000000000000..7a6c91fb832b --- /dev/null +++ b/nixpkgs/pkgs/development/compilers/llvm/7/compiler-rt.nix @@ -0,0 +1,61 @@ +{ stdenv, version, fetch, cmake, python, llvm, libcxxabi }: +stdenv.mkDerivation rec { + name = "compiler-rt-${version}"; + inherit version; + src = fetch "compiler-rt" "065ybd8fsc4h2hikbdyricj6pyv4r7r7kpcikhb2y5zf370xybkq"; + + nativeBuildInputs = [ cmake python llvm ]; + buildInputs = stdenv.lib.optional stdenv.hostPlatform.isDarwin libcxxabi; + + cmakeFlags = [ + "-DCOMPILER_RT_DEFAULT_TARGET_ONLY=ON" + "-DCMAKE_C_COMPILER_TARGET=${stdenv.hostPlatform.config}" + "-DCMAKE_ASM_COMPILER_TARGET=${stdenv.hostPlatform.config}" + ] ++ stdenv.lib.optional (stdenv.hostPlatform != stdenv.buildPlatform) [ + "-DCMAKE_C_FLAGS=-nodefaultlibs" + "-DCMAKE_CXX_COMPILER_WORKS=ON" + "-DCOMPILER_RT_BUILD_BUILTINS=ON" + "-DCOMPILER_RT_BUILD_SANITIZERS=OFF" + "-DCOMPILER_RT_BUILD_XRAY=OFF" + "-DCOMPILER_RT_BUILD_LIBFUZZER=OFF" + "-DCOMPILER_RT_BUILD_PROFILE=OFF" + "-DCOMPILER_RT_BAREMETAL_BUILD=ON" + ]; + + outputs = [ "out" "dev" ]; + + patches = [ + ./compiler-rt-codesign.patch # Revert compiler-rt commit that makes codesign mandatory + ] ++ stdenv.lib.optional stdenv.hostPlatform.isMusl ./sanitizers-nongnu.patch + ++ stdenv.lib.optional (stdenv.hostPlatform != stdenv.buildPlatform) ./crtbegin-and-end.patch + ++ stdenv.lib.optional stdenv.hostPlatform.isDarwin ./compiler-rt-clock_gettime.patch; + + # TSAN requires XPC on Darwin, which we have no public/free source files for. We can depend on the Apple frameworks + # to get it, but they're unfree. Since LLVM is rather central to the stdenv, we patch out TSAN support so that Hydra + # can build this. If we didn't do it, basically the entire nixpkgs on Darwin would have an unfree dependency and we'd + # get no binary cache for the entire platform. If you really find yourself wanting the TSAN, make this controllable by + # a flag and turn the flag off during the stdenv build. + postPatch = stdenv.lib.optionalString stdenv.isDarwin '' + substituteInPlace cmake/config-ix.cmake \ + --replace 'set(COMPILER_RT_HAS_TSAN TRUE)' 'set(COMPILER_RT_HAS_TSAN FALSE)' + '' + stdenv.lib.optionalString (stdenv.hostPlatform != stdenv.buildPlatform) '' + substituteInPlace lib/builtins/int_util.c \ + --replace "#include <stdlib.h>" "" + substituteInPlace lib/builtins/clear_cache.c \ + --replace "#include <assert.h>" "" + substituteInPlace lib/builtins/cpu_model.c \ + --replace "#include <assert.h>" "" + ''; + + # Hack around weird upsream RPATH bug + postInstall = stdenv.lib.optionalString stdenv.isDarwin '' + ln -s "$out/lib"/*/* "$out/lib" + '' + stdenv.lib.optionalString (stdenv.hostPlatform != stdenv.buildPlatform) '' + ln -s $out/lib/*/clang_rt.crtbegin-*.o $out/lib/linux/crtbegin.o + ln -s $out/lib/*/clang_rt.crtend-*.o $out/lib/linux/crtend.o + ln -s $out/lib/*/clang_rt.crtbegin_shared-*.o $out/lib/linux/crtbeginS.o + ln -s $out/lib/*/clang_rt.crtend_shared-*.o $out/lib/linux/crtendS.o + ''; + + enableParallelBuilding = true; +} |