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llvmPackages_git: apply #211230 to llvmPackages_git

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Port of 4fabcf4945 ("llvmPackages_15:
apply #211230 to llvmPackages_15").

See the comments here for context: https://github.com/NixOS/nixpkgs/pull/194634#discussion_r1089389188

Co-authored-by: Weijia Wang <9713184+wegank@users.noreply.github.com>
This commit is contained in:
Rahul Butani 2023-01-27 12:23:54 -08:00 committed by Raito Bezarius
parent 2e453ee51b
commit 5fbf2cd1a0
1 changed files with 9 additions and 3 deletions
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12
pkgs/development/compilers/llvm/git/libcxx/default.nix
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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";
@ -64,10 +64,16 @@ 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=${if headersOnly then "none" else libcxx_cxx_abi_opt}"
] ++ lib.optional (!headersOnly && cxxabi.pname == "libcxxabi") "-DLIBCXX_CXX_ABI_INCLUDE_PATHS=${cxxabi.dev}/include/c++/v1"
] ++ 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 [