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tests.cc-wrapper: Run CC CXX with an empty path
Ensure our wrappers hardcode all the necessary tools
This commit is contained in:
Artturin
parent
e544a67eba
commit
8de11b252d
@ -11,6 +11,9 @@ let
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emulator = stdenv.hostPlatform.emulator buildPackages;
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isCxx = stdenv.cc.libcxx != null;
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libcxxStdenvSuffix = lib.optionalString isCxx "-libcxx";
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CC = "PATH= ${lib.getExe' stdenv.cc "${stdenv.cc.targetPrefix}cc"}";
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CXX = "PATH= ${lib.getExe' stdenv.cc "${stdenv.cc.targetPrefix}c++"}";
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READELF = "PATH= ${lib.getExe' stdenv.cc "${stdenv.cc.targetPrefix}readelf"}";
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in stdenv.mkDerivation {
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pname = "cc-wrapper-test-${stdenv.cc.cc.pname}${libcxxStdenvSuffix}";
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version = stdenv.cc.version;
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@ -20,38 +23,38 @@ in stdenv.mkDerivation {
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echo "With libc: ${stdenv.cc.libc.name}" >&2
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set -o pipefail
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NIX_DEBUG=1 $CC -v
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NIX_DEBUG=1 $CXX -v
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NIX_DEBUG=1 ${CC} -v
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NIX_DEBUG=1 ${CXX} -v
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echo "checking whether compiler builds valid C binaries... " >&2
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$CC -o cc-check ${./cc-main.c}
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${CC} -o cc-check ${./cc-main.c}
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${emulator} ./cc-check
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echo "checking whether compiler builds valid C++ binaries... " >&2
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$CXX -o cxx-check ${./cxx-main.cc}
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${CXX} -o cxx-check ${./cxx-main.cc}
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${emulator} ./cxx-check
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# test for https://github.com/NixOS/nixpkgs/issues/214524#issuecomment-1431745905
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# .../include/cxxabi.h:20:10: fatal error: '__cxxabi_config.h' file not found
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# in libcxxStdenv
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echo "checking whether cxxabi.h can be included... " >&2
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$CXX -o include-cxxabi ${./include-cxxabi.cc}
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${CXX} -o include-cxxabi ${./include-cxxabi.cc}
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${emulator} ./include-cxxabi
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# cxx doesn't have libatomic.so
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${lib.optionalString (!isCxx) ''
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# https://github.com/NixOS/nixpkgs/issues/91285
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echo "checking whether libatomic.so can be linked... " >&2
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$CXX -shared -o atomics.so ${./atomics.cc} -latomic ${lib.optionalString (stdenv.cc.isClang && lib.versionOlder stdenv.cc.version "6.0.0" ) "-std=c++17"}
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$READELF -d ./atomics.so | grep libatomic.so && echo "ok" >&2 || echo "failed" >&2
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${CXX} -shared -o atomics.so ${./atomics.cc} -latomic ${lib.optionalString (stdenv.cc.isClang && lib.versionOlder stdenv.cc.version "6.0.0" ) "-std=c++17"}
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${READELF} -d ./atomics.so | grep libatomic.so && echo "ok" >&2 || echo "failed" >&2
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''}
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# Test that linking libc++ works, and statically.
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${lib.optionalString isCxx ''
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echo "checking whether can link with libc++... " >&2
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NIX_DEBUG=1 $CXX ${./cxx-main.cc} -c -o cxx-main.o
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NIX_DEBUG=1 $CC cxx-main.o -lc++ -o cxx-main
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NIX_DEBUG=1 $CC cxx-main.o ${lib.getLib stdenv.cc.libcxx}/lib/libc++.a -o cxx-main-static
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NIX_DEBUG=1 ${CXX} ${./cxx-main.cc} -c -o cxx-main.o
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NIX_DEBUG=1 ${CC} cxx-main.o -lc++ -o cxx-main
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NIX_DEBUG=1 ${CC} cxx-main.o ${lib.getLib stdenv.cc.libcxx}/lib/libc++.a -o cxx-main-static
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${emulator} ./cxx-main
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${emulator} ./cxx-main-static
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rm cxx-main{,-static,.o}
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@ -60,18 +63,18 @@ in stdenv.mkDerivation {
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${lib.optionalString (stdenv.hostPlatform.isDarwin && stdenv.cc.isClang) ''
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echo "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 ${./core-foundation-main.c}
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${CC} -framework CoreFoundation -o core-foundation-check ${./core-foundation-main.c}
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${emulator} ./core-foundation-check
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''}
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${lib.optionalString (!stdenv.hostPlatform.isDarwin) ''
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echo "checking whether compiler builds valid static C binaries... " >&2
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$CC ${staticLibc} -static -o cc-static ${./cc-main.c}
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${CC} ${staticLibc} -static -o cc-static ${./cc-main.c}
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${emulator} ./cc-static
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${lib.optionalString (stdenv.cc.isGNU && lib.versionAtLeast (lib.getVersion stdenv.cc.name) "8.0.0") ''
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echo "checking whether compiler builds valid static pie C binaries... " >&2
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$CC ${staticLibc} -static-pie -o cc-static-pie ${./cc-main.c}
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${CC} ${staticLibc} -static-pie -o cc-static-pie ${./cc-main.c}
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${emulator} ./cc-static-pie
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''}
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''}
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@ -84,47 +87,47 @@ in stdenv.mkDerivation {
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# Make sure `--` is not parsed as a "non flag arg"; we should get an
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# input file error here and *not* a linker error.
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{ ! $CC --; } |& grep -q "no input files"
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{ ! ${CC} --; } |& grep -q "no input files"
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# And that positional file args _must_ be files (this is just testing
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# that we remembered to put the `--` back in the args to the compiler):
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{ ! $CC -c -- -o foo ${./foo.c}; } \
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{ ! ${CC} -c -- -o foo ${./foo.c}; } \
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|& grep -q "no such file or directory: '-o'"
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# Now check that we accept single and multiple positional file args:
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$CC -c -DVALUE=42 -o positional/foo.o -- ${./foo.c}
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$CC -o positional/main -- positional/foo.o ${./ldflags-main.c}
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${CC} -c -DVALUE=42 -o positional/foo.o -- ${./foo.c}
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${CC} -o positional/main -- positional/foo.o ${./ldflags-main.c}
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${emulator} ./positional/main
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''}
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echo "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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NIX_CFLAGS_COMPILE="-Ifoo/include -DVALUE=42" ${CC} -o cflags-check ${./cflags-main.c}
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${emulator} ./cflags-check
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echo "checking whether compiler uses NIX_LDFLAGS... " >&2
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mkdir -p foo/lib
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$CC -shared \
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${CC} -shared \
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${lib.optionalString stdenv.hostPlatform.isDarwin "-Wl,-install_name,@rpath/libfoo.dylib"} \
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-DVALUE=42 \
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-o foo/lib/libfoo${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 ${./ldflags-main.c}
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NIX_LDFLAGS="-L$NIX_BUILD_TOP/foo/lib -rpath $NIX_BUILD_TOP/foo/lib" ${CC} -lfoo -o ldflags-check ${./ldflags-main.c}
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${emulator} ./ldflags-check
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echo "Check whether -nostdinc and -nostdinc++ is handled correctly" >&2
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mkdir -p std-include
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cp ${./stdio.h} std-include/stdio.h
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NIX_DEBUG=1 $CC -I std-include -nostdinc -o nostdinc-main ${./nostdinc-main.c}
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NIX_DEBUG=1 ${CC} -I std-include -nostdinc -o nostdinc-main ${./nostdinc-main.c}
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${emulator} ./nostdinc-main
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$CXX -I std-include -nostdinc++ -o nostdinc-main++ ${./nostdinc-main.c}
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${CXX} -I std-include -nostdinc++ -o nostdinc-main++ ${./nostdinc-main.c}
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${emulator} ./nostdinc-main++
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${lib.optionalString sanitizersWorking ''
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echo "checking whether sanitizers are fully functional... ">&2
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$CC -o sanitizers -fsanitize=address,undefined ${./sanitizers.c}
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${CC} -o sanitizers -fsanitize=address,undefined ${./sanitizers.c}
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ASAN_OPTIONS=use_sigaltstack=0 ${emulator} ./sanitizers
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''}
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