2c60e7c2d0
https://hydra.nixos.org/build/122885657 and more.
Original upstream fix (available in llvm_10):
947f969244
86 lines
3.6 KiB
Nix
86 lines
3.6 KiB
Nix
{ stdenv, version, fetch, cmake, python3, llvm, libcxxabi }:
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let
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useLLVM = stdenv.hostPlatform.useLLVM or false;
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bareMetal = stdenv.hostPlatform.parsed.kernel.name == "none";
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inherit (stdenv.hostPlatform) isMusl;
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in
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stdenv.mkDerivation rec {
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pname = "compiler-rt";
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inherit version;
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src = fetch pname "0xwh79g3zggdabxgnd0bphry75asm1qz7mv3hcqihqwqr6aspgy2";
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nativeBuildInputs = [ cmake python3 llvm ];
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buildInputs = stdenv.lib.optional stdenv.hostPlatform.isDarwin libcxxabi;
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NIX_CFLAGS_COMPILE = [
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"-DSCUDO_DEFAULT_OPTIONS=DeleteSizeMismatch=0:DeallocationTypeMismatch=0"
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];
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cmakeFlags = [
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"-DCOMPILER_RT_DEFAULT_TARGET_ONLY=ON"
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"-DCMAKE_C_COMPILER_TARGET=${stdenv.hostPlatform.config}"
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"-DCMAKE_ASM_COMPILER_TARGET=${stdenv.hostPlatform.config}"
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] ++ stdenv.lib.optionals (useLLVM || bareMetal || isMusl) [
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"-DCOMPILER_RT_BUILD_SANITIZERS=OFF"
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"-DCOMPILER_RT_BUILD_XRAY=OFF"
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"-DCOMPILER_RT_BUILD_LIBFUZZER=OFF"
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"-DCOMPILER_RT_BUILD_PROFILE=OFF"
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] ++ stdenv.lib.optionals (useLLVM || bareMetal) [
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"-DCMAKE_C_COMPILER_WORKS=ON"
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"-DCMAKE_CXX_COMPILER_WORKS=ON"
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"-DCOMPILER_RT_BAREMETAL_BUILD=ON"
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"-DCMAKE_SIZEOF_VOID_P=${toString (stdenv.hostPlatform.parsed.cpu.bits / 8)}"
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] ++ stdenv.lib.optionals (useLLVM) [
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"-DCOMPILER_RT_BUILD_BUILTINS=ON"
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"-DCMAKE_C_FLAGS=-nodefaultlibs"
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#https://stackoverflow.com/questions/53633705/cmake-the-c-compiler-is-not-able-to-compile-a-simple-test-program
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"-DCMAKE_TRY_COMPILE_TARGET_TYPE=STATIC_LIBRARY"
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] ++ stdenv.lib.optionals (bareMetal) [
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"-DCOMPILER_RT_OS_DIR=baremetal"
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];
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outputs = [ "out" "dev" ];
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patches = [
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../7/compiler-rt-glibc.patch
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./compiler-rt-codesign.patch # Revert compiler-rt commit that makes codesign mandatory
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]# ++ stdenv.lib.optional stdenv.hostPlatform.isMusl ./sanitizers-nongnu.patch
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++ stdenv.lib.optional stdenv.hostPlatform.isAarch32 ./compiler-rt-armv7l.patch;
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# TSAN requires XPC on Darwin, which we have no public/free source files for. We can depend on the Apple frameworks
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# to get it, but they're unfree. Since LLVM is rather central to the stdenv, we patch out TSAN support so that Hydra
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# can build this. If we didn't do it, basically the entire nixpkgs on Darwin would have an unfree dependency and we'd
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# get no binary cache for the entire platform. If you really find yourself wanting the TSAN, make this controllable by
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# a flag and turn the flag off during the stdenv build.
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postPatch = stdenv.lib.optionalString (!stdenv.isDarwin) ''
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substituteInPlace cmake/builtin-config-ix.cmake \
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--replace 'set(X86 i386)' 'set(X86 i386 i486 i586 i686)'
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'' + stdenv.lib.optionalString stdenv.isDarwin ''
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substituteInPlace cmake/config-ix.cmake \
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--replace 'set(COMPILER_RT_HAS_TSAN TRUE)' 'set(COMPILER_RT_HAS_TSAN FALSE)'
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'' + stdenv.lib.optionalString (useLLVM) ''
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substituteInPlace lib/builtins/int_util.c \
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--replace "#include <stdlib.h>" ""
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substituteInPlace lib/builtins/clear_cache.c \
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--replace "#include <assert.h>" ""
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substituteInPlace lib/builtins/cpu_model.c \
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--replace "#include <assert.h>" ""
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'';
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# Hack around weird upsream RPATH bug
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postInstall = stdenv.lib.optionalString (stdenv.hostPlatform.isDarwin || stdenv.hostPlatform.isWasm) ''
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ln -s "$out/lib"/*/* "$out/lib"
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'' + stdenv.lib.optionalString (useLLVM) ''
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ln -s $out/lib/*/clang_rt.crtbegin-*.o $out/lib/crtbegin.o
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ln -s $out/lib/*/clang_rt.crtend-*.o $out/lib/crtend.o
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ln -s $out/lib/*/clang_rt.crtbegin_shared-*.o $out/lib/crtbeginS.o
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ln -s $out/lib/*/clang_rt.crtend_shared-*.o $out/lib/crtendS.o
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'';
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enableParallelBuilding = true;
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}
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