Merge pull request #223255 from NixOS/llvmPackages_git.libcxx-tests

llvmPackages_git.libcxx: LLVM15 changes and libcxxrt on FreeBSD
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Ryan Lahfa 2023-04-20 00:43:28 +02:00 committed by GitHub
commit 89e48962e3
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@ -17,7 +17,7 @@ let
basename = "libcxx";
in
assert stdenv.isDarwin -> cxxabi.pname == "libcxxabi";
assert stdenv.isDarwin -> cxxabi.libName == "c++abi";
stdenv.mkDerivation rec {
pname = basename + lib.optionalString headersOnly "-headers";
@ -64,35 +64,33 @@ stdenv.mkDerivation rec {
buildInputs = lib.optionals (!headersOnly) [ cxxabi ];
cmakeFlags = [
cmakeFlags = let
# See: https://libcxx.llvm.org/BuildingLibcxx.html#cmdoption-arg-libcxx-cxx-abi-string
libcxx_cxx_abi_opt = {
"c++abi" = "system-libcxxabi";
"cxxrt" = "libcxxrt";
}.${cxxabi.libName} or (throw "unknown cxxabi: ${cxxabi.libName} (${cxxabi.pname})");
in [
"-DLLVM_ENABLE_RUNTIMES=libcxx"
"-DLIBCXX_CXX_ABI=${lib.optionalString (!headersOnly) "system-"}${cxxabi.pname}"
] ++ lib.optional (!headersOnly && cxxabi.pname == "libcxxabi") "-DLIBCXX_CXX_ABI_INCLUDE_PATHS=${cxxabi.dev}/include/c++/v1"
"-DLIBCXX_CXX_ABI=${if headersOnly then "none" else libcxx_cxx_abi_opt}"
] ++ lib.optional (!headersOnly && cxxabi.libName == "c++abi") "-DLIBCXX_CXX_ABI_INCLUDE_PATHS=${cxxabi.dev}/include/c++/v1"
++ lib.optional (stdenv.hostPlatform.isMusl || stdenv.hostPlatform.isWasi) "-DLIBCXX_HAS_MUSL_LIBC=1"
++ lib.optional (stdenv.hostPlatform.useLLVM or false) "-DLIBCXX_USE_COMPILER_RT=ON"
++ lib.optionals stdenv.hostPlatform.isWasm [
"-DLIBCXX_ENABLE_THREADS=OFF"
"-DLIBCXX_ENABLE_FILESYSTEM=OFF"
"-DLIBCXX_ENABLE_EXCEPTIONS=OFF"
] ++ lib.optional (!enableShared) "-DLIBCXX_ENABLE_SHARED=OFF";
] ++ lib.optional (!enableShared) "-DLIBCXX_ENABLE_SHARED=OFF"
# If we're only building the headers we don't actually *need* a functioning
# C/C++ compiler:
++ lib.optionals (headersOnly) [
"-DCMAKE_C_COMPILER_WORKS=ON"
"-DCMAKE_CXX_COMPILER_WORKS=ON"
];
ninjaFlags = lib.optional headersOnly "generate-cxx-headers";
installTargets = lib.optional headersOnly "install-cxx-headers";
preInstall = lib.optionalString (stdenv.isDarwin && !headersOnly) ''
for file in lib/*.dylib; do
if [ -L "$file" ]; then continue; fi
baseName=$(basename $(${stdenv.cc.targetPrefix}otool -D $file | tail -n 1))
installName="$out/lib/$baseName"
abiName=$(echo "$baseName" | sed -e 's/libc++/libc++abi/')
for other in $(${stdenv.cc.targetPrefix}otool -L $file | awk '$1 ~ "/libc\\+\\+abi" { print $1 }'); do
${stdenv.cc.targetPrefix}install_name_tool -change $other ${cxxabi}/lib/$abiName $file
done
done
'';
passthru = {
isLLVM = true;
inherit cxxabi;