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{ stdenv }:
with stdenv.lib;
let
# Sanitizer headers aren't available in older libc++ stdenvs due to a bug
sanitizersBroken = stdenv.cc.isClang && builtins.compareVersions (getVersion stdenv.cc.name) "6.0.0" < 0;
in stdenv.mkDerivation {
name = "cc-wrapper-test";
buildCommand = ''
NIX_DEBUG=1 $CC -v
NIX_DEBUG=1 $CXX -v
printf "checking whether compiler builds valid C binaries... " >&2
$CC -o cc-check ${./cc-main.c}
./cc-check
printf "checking whether compiler builds valid C++ binaries... " >&2
$CXX -o cxx-check ${./cxx-main.cc}
./cxx-check
${optionalString (stdenv.isDarwin && stdenv.cc.isClang) ''
printf "checking whether compiler can build with CoreFoundation.framework... " >&2
mkdir -p foo/lib
$CC -framework CoreFoundation -o core-foundation-check ${./core-foundation-main.c}
./core-foundation-check
''}
printf "checking whether compiler uses NIX_CFLAGS_COMPILE... " >&2
mkdir -p foo/include
cp ${./foo.c} foo/include/foo.h
NIX_CFLAGS_COMPILE="-Ifoo/include -DVALUE=42" $CC -o cflags-check ${./cflags-main.c}
./cflags-check
printf "checking whether compiler uses NIX_LDFLAGS... " >&2
mkdir -p foo/lib
$CC -shared \
${optionalString stdenv.isDarwin "-Wl,-install_name,@rpath/libfoo.dylib"} \
-DVALUE=42 \
-o foo/lib/libfoo${stdenv.hostPlatform.extensions.sharedLibrary} \
${./foo.c}
NIX_LDFLAGS="-L$NIX_BUILD_TOP/foo/lib -rpath $NIX_BUILD_TOP/foo/lib" $CC -lfoo -o ldflags-check ${./ldflags-main.c}
./ldflags-check
${optionalString (!sanitizersBroken) ''
printf "checking whether sanitizers are fully functional... ">&2
$CC -o sanitizers -fsanitize=address,undefined ${./sanitizers.c}
./sanitizers
''}
touch $out
'';
meta.platforms = platforms.all;
}
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