diff options
Diffstat (limited to 'nixpkgs/pkgs/development/compilers/llvm/11/compiler-rt.nix')
-rw-r--r-- | nixpkgs/pkgs/development/compilers/llvm/11/compiler-rt.nix | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/development/compilers/llvm/11/compiler-rt.nix b/nixpkgs/pkgs/development/compilers/llvm/11/compiler-rt.nix new file mode 100644 index 00000000000..133db365942 --- /dev/null +++ b/nixpkgs/pkgs/development/compilers/llvm/11/compiler-rt.nix @@ -0,0 +1,85 @@ +{ stdenv, version, fetch, cmake, python3, llvm, libcxxabi }: + +let + + useLLVM = stdenv.hostPlatform.useLLVM or false; + bareMetal = stdenv.hostPlatform.parsed.kernel.name == "none"; + inherit (stdenv.hostPlatform) isMusl; + +in + +stdenv.mkDerivation rec { + pname = "compiler-rt"; + inherit version; + src = fetch pname "0qfgap6acxffm01hzk38pmzq8ac3isk90531dz0qf7fd5015jvvg"; + + nativeBuildInputs = [ cmake python3 llvm ]; + buildInputs = stdenv.lib.optional stdenv.hostPlatform.isDarwin libcxxabi; + + NIX_CFLAGS_COMPILE = [ + "-DSCUDO_DEFAULT_OPTIONS=DeleteSizeMismatch=0:DeallocationTypeMismatch=0" + ]; + + cmakeFlags = [ + "-DCOMPILER_RT_DEFAULT_TARGET_ONLY=ON" + "-DCMAKE_C_COMPILER_TARGET=${stdenv.hostPlatform.config}" + "-DCMAKE_ASM_COMPILER_TARGET=${stdenv.hostPlatform.config}" + ] ++ stdenv.lib.optionals (useLLVM || bareMetal || isMusl) [ + "-DCOMPILER_RT_BUILD_SANITIZERS=OFF" + "-DCOMPILER_RT_BUILD_XRAY=OFF" + "-DCOMPILER_RT_BUILD_LIBFUZZER=OFF" + "-DCOMPILER_RT_BUILD_PROFILE=OFF" + ] ++ stdenv.lib.optionals (useLLVM || bareMetal) [ + "-DCMAKE_C_COMPILER_WORKS=ON" + "-DCMAKE_CXX_COMPILER_WORKS=ON" + "-DCOMPILER_RT_BAREMETAL_BUILD=ON" + "-DCMAKE_SIZEOF_VOID_P=${toString (stdenv.hostPlatform.parsed.cpu.bits / 8)}" + ] ++ stdenv.lib.optionals (useLLVM) [ + "-DCOMPILER_RT_BUILD_BUILTINS=ON" + "-DCMAKE_C_FLAGS=-nodefaultlibs" + #https://stackoverflow.com/questions/53633705/cmake-the-c-compiler-is-not-able-to-compile-a-simple-test-program + "-DCMAKE_TRY_COMPILE_TARGET_TYPE=STATIC_LIBRARY" + ] ++ stdenv.lib.optionals (bareMetal) [ + "-DCOMPILER_RT_OS_DIR=baremetal" + ]; + + 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.isAarch32 ./compiler-rt-armv7l.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/builtin-config-ix.cmake \ + --replace 'set(X86 i386)' 'set(X86 i386 i486 i586 i686)' + '' + 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 (useLLVM) '' + 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.hostPlatform.isDarwin || stdenv.hostPlatform.isWasm) '' + ln -s "$out/lib"/*/* "$out/lib" + '' + stdenv.lib.optionalString (useLLVM) '' + ln -s $out/lib/*/clang_rt.crtbegin-*.o $out/lib/crtbegin.o + ln -s $out/lib/*/clang_rt.crtend-*.o $out/lib/crtend.o + ln -s $out/lib/*/clang_rt.crtbegin_shared-*.o $out/lib/crtbeginS.o + ln -s $out/lib/*/clang_rt.crtend_shared-*.o $out/lib/crtendS.o + ''; + + enableParallelBuilding = true; +} |