diff options
Diffstat (limited to 'nixpkgs/pkgs/development/compilers/llvm/git/compiler-rt/default.nix')
-rw-r--r-- | nixpkgs/pkgs/development/compilers/llvm/git/compiler-rt/default.nix | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/development/compilers/llvm/git/compiler-rt/default.nix b/nixpkgs/pkgs/development/compilers/llvm/git/compiler-rt/default.nix new file mode 100644 index 000000000000..5874a91e03c8 --- /dev/null +++ b/nixpkgs/pkgs/development/compilers/llvm/git/compiler-rt/default.nix @@ -0,0 +1,113 @@ +{ lib, stdenv, llvm_meta, version, src, cmake, python3, libllvm, libcxxabi }: + +let + + useLLVM = stdenv.hostPlatform.useLLVM or false; + bareMetal = stdenv.hostPlatform.parsed.kernel.name == "none"; + haveLibc = stdenv.cc.libc != null; + inherit (stdenv.hostPlatform) isMusl; + +in + +stdenv.mkDerivation { + pname = "compiler-rt" + lib.optionalString (haveLibc) "-libc"; + inherit version; + + inherit src; + sourceRoot = "source/compiler-rt"; + + nativeBuildInputs = [ cmake python3 libllvm.dev ]; + buildInputs = 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}" + ] ++ 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" + ] ++ lib.optionals ((useLLVM || bareMetal) && !haveLibc) [ + "-DCMAKE_C_COMPILER_WORKS=ON" + "-DCMAKE_CXX_COMPILER_WORKS=ON" + "-DCOMPILER_RT_BAREMETAL_BUILD=ON" + "-DCMAKE_SIZEOF_VOID_P=${toString (stdenv.hostPlatform.parsed.cpu.bits / 8)}" + ] ++ lib.optionals (useLLVM && !haveLibc) [ + "-DCMAKE_C_FLAGS=-nodefaultlibs" + ] ++ lib.optionals (useLLVM) [ + "-DCOMPILER_RT_BUILD_BUILTINS=ON" + #https://stackoverflow.com/questions/53633705/cmake-the-c-compiler-is-not-able-to-compile-a-simple-test-program + "-DCMAKE_TRY_COMPILE_TARGET_TYPE=STATIC_LIBRARY" + ] ++ lib.optionals (bareMetal) [ + "-DCOMPILER_RT_OS_DIR=baremetal" + ] ++ lib.optionals (stdenv.hostPlatform.isDarwin) [ + "-DDARWIN_macosx_OVERRIDE_SDK_VERSION=ON" + "-DDARWIN_osx_ARCHS=${stdenv.hostPlatform.darwinArch}" + "-DDARWIN_osx_BUILTIN_ARCHS=${stdenv.hostPlatform.darwinArch}" + ]; + + outputs = [ "out" "dev" ]; + + patches = [ + ./codesign.patch # Revert compiler-rt commit that makes codesign mandatory + ./X86-support-extension.patch # Add support for i486 i586 i686 by reusing i386 config + # ld-wrapper dislikes `-rpath-link //nix/store`, so we normalize away the + # extra `/`. + ./normalize-var.patch + ] # Prevent a compilation error on darwin + ++ lib.optional stdenv.hostPlatform.isDarwin ./darwin-targetconditionals.patch + ++ lib.optional stdenv.hostPlatform.isAarch32 ./armv7l.patch; + + # TSAN requires XPC on Darwin, which we have no public/free source files for. We can depend on the Apple frameworks + # to get it, but they're unfree. Since LLVM is rather central to the stdenv, we patch out TSAN support so that Hydra + # can build this. If we didn't do it, basically the entire nixpkgs on Darwin would have an unfree dependency and we'd + # get no binary cache for the entire platform. If you really find yourself wanting the TSAN, make this controllable by + # a flag and turn the flag off during the stdenv build. + postPatch = lib.optionalString (!stdenv.isDarwin) '' + substituteInPlace cmake/builtin-config-ix.cmake \ + --replace 'set(X86 i386)' 'set(X86 i386 i486 i586 i686)' + '' + lib.optionalString stdenv.isDarwin '' + substituteInPlace cmake/builtin-config-ix.cmake \ + --replace 'set(ARM64 arm64 arm64e)' 'set(ARM64)' + substituteInPlace cmake/config-ix.cmake \ + --replace 'set(COMPILER_RT_HAS_TSAN TRUE)' 'set(COMPILER_RT_HAS_TSAN FALSE)' + '' + lib.optionalString (useLLVM) '' + substituteInPlace lib/builtins/int_util.c \ + --replace "#include <stdlib.h>" "" + substituteInPlace lib/builtins/clear_cache.c \ + --replace "#include <assert.h>" "" + substituteInPlace lib/builtins/cpu_model.c \ + --replace "#include <assert.h>" "" + ''; + + # Hack around weird upsream RPATH bug + postInstall = lib.optionalString (stdenv.hostPlatform.isDarwin || stdenv.hostPlatform.isWasm) '' + ln -s "$out/lib"/*/* "$out/lib" + '' + 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 + ''; + + meta = llvm_meta // { + homepage = "https://compiler-rt.llvm.org/"; + description = "Compiler runtime libraries"; + longDescription = '' + The compiler-rt project provides highly tuned implementations of the + low-level code generator support routines like "__fixunsdfdi" and other + calls generated when a target doesn't have a short sequence of native + instructions to implement a core IR operation. It also provides + implementations of run-time libraries for dynamic testing tools such as + AddressSanitizer, ThreadSanitizer, MemorySanitizer, and DataFlowSanitizer. + ''; + # "All of the code in the compiler-rt project is dual licensed under the MIT + # license and the UIUC License (a BSD-like license)": + license = with lib.licenses; [ mit ncsa ]; + }; +} |