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compiler-rt: Don't try to build a test executable

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Got this trick from stack overflow to avoid needing compiler-rt to link
the test exe before building compiler-rt. a static lib isn't linked at
all, and so breaks the cycle.
This commit is contained in:
John Ericson 2019-04-17 00:16:36 -04:00 committed by Matthew Bauer
parent 1a7a96a093
commit 9044f57d18
1 changed files with 2 additions and 2 deletions
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4
pkgs/development/compilers/llvm/8/compiler-rt.nix
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@ -19,6 +19,8 @@ stdenv.mkDerivation rec {
"-DCOMPILER_RT_BUILD_LIBFUZZER=OFF"
"-DCOMPILER_RT_BUILD_PROFILE=OFF"
"-DCOMPILER_RT_BAREMETAL_BUILD=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"
"-DCMAKE_SIZEOF_VOID_P=${toString (stdenv.hostPlatform.parsed.cpu.bits / 8)}"
] ++ stdenv.lib.optionals stdenv.hostPlatform.isMusl [
"-DCOMPILER_RT_BUILD_SANITIZERS=OFF"
@ -62,7 +64,5 @@ stdenv.mkDerivation rec {
ln -s $out/lib/*/clang_rt.crtend_shared-*.o $out/lib/crtendS.o
'';
NIX_LDFLAGS = stdenv.lib.optionalString stdenv.hostPlatform.isWasm "--allow-undefined --no-entry";
enableParallelBuilding = true;
}