6e7e22da70
We already did them on non-mass-rebuild llvm 6. Also, this allows simplifying the stdenv booting. We were missing the libcxxabi dep in compile-rt in llvm 6, so fixed that too.
57 lines
1.8 KiB
Nix
57 lines
1.8 KiB
Nix
{ stdenv }:
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with stdenv.lib;
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let
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# Sanitizers are not supported on Darwin.
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# Sanitizer headers aren't available in older libc++ stdenvs due to a bug
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sanitizersBroken = stdenv.cc.isClang && versionOlder (getVersion stdenv.cc.name) "5.0.0";
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in stdenv.mkDerivation {
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name = "cc-wrapper-test";
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buildCommand = ''
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NIX_DEBUG=1 $CC -v
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NIX_DEBUG=1 $CXX -v
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printf "checking whether compiler builds valid C binaries... " >&2
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$CC -o cc-check ${./cc-main.c}
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./cc-check
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printf "checking whether compiler builds valid C++ binaries... " >&2
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$CXX -o cxx-check ${./cxx-main.cc}
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./cxx-check
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${optionalString (stdenv.isDarwin && stdenv.cc.isClang) ''
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printf "checking whether compiler can build with CoreFoundation.framework... " >&2
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mkdir -p foo/lib
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$CC -framework CoreFoundation -o core-foundation-check ${./core-foundation-main.c}
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./core-foundation-check
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''}
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printf "checking whether compiler uses NIX_CFLAGS_COMPILE... " >&2
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mkdir -p foo/include
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cp ${./foo.c} foo/include/foo.h
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NIX_CFLAGS_COMPILE="-Ifoo/include -DVALUE=42" $CC -o cflags-check ${./cflags-main.c}
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./cflags-check
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printf "checking whether compiler uses NIX_LDFLAGS... " >&2
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mkdir -p foo/lib
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$CC -shared \
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${optionalString stdenv.isDarwin "-Wl,-install_name,@rpath/libfoo.dylib"} \
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-DVALUE=42 \
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-o foo/lib/libfoo${stdenv.hostPlatform.extensions.sharedLibrary} \
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${./foo.c}
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NIX_LDFLAGS="-L$NIX_BUILD_TOP/foo/lib -rpath $NIX_BUILD_TOP/foo/lib" $CC -lfoo -o ldflags-check ${./ldflags-main.c}
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./ldflags-check
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${optionalString (!sanitizersBroken) ''
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printf "checking whether sanitizers are fully functional... ">&2
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$CC -o sanitizers -fsanitize=address,undefined ${./sanitizers.c}
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./sanitizers
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''}
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touch $out
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'';
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meta.platforms = platforms.all;
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}
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