cffb7cfbf7
https://lists.llvm.org/pipermail/release-testers/2020-October/001377.html https://lists.llvm.org/pipermail/llvm-announce/2020-October/000089.html Fixes: - builds on Darwin - builds `libcxx` on Linux
51 lines
1.5 KiB
Nix
51 lines
1.5 KiB
Nix
{ lib, stdenv, fetch, cmake, python3, libcxxabi, llvm, fixDarwinDylibNames, version
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, enableShared ? true }:
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stdenv.mkDerivation {
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pname = "libc++";
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inherit version;
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src = fetch "libcxx" "0ylbkcd38zrrz9xmkq9na3d9s8d96hc286dwfwd73wi205lyc7kc";
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postUnpack = ''
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unpackFile ${libcxxabi.src}
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mv libcxxabi-* libcxxabi
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unpackFile ${llvm.src}
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mv llvm-* llvm
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'';
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patches = stdenv.lib.optional stdenv.hostPlatform.isMusl ../../libcxx-0001-musl-hacks.patch;
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preConfigure = lib.optionalString stdenv.hostPlatform.isMusl ''
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patchShebangs utils/cat_files.py
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'';
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nativeBuildInputs = [ cmake python3 ]
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++ lib.optional stdenv.isDarwin fixDarwinDylibNames;
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buildInputs = [ libcxxabi ];
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cmakeFlags = [
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"-DLIBCXX_CXX_ABI=libcxxabi"
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] ++ stdenv.lib.optional (stdenv.hostPlatform.isMusl || stdenv.hostPlatform.isWasi) "-DLIBCXX_HAS_MUSL_LIBC=1"
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++ stdenv.lib.optional (stdenv.hostPlatform.useLLVM or false) "-DLIBCXX_USE_COMPILER_RT=ON"
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++ stdenv.lib.optional stdenv.hostPlatform.isWasm [
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"-DLIBCXX_ENABLE_THREADS=OFF"
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"-DLIBCXX_ENABLE_FILESYSTEM=OFF"
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"-DLIBCXX_ENABLE_EXCEPTIONS=OFF"
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] ++ stdenv.lib.optional (!enableShared) "-DLIBCXX_ENABLE_SHARED=OFF";
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enableParallelBuilding = true;
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passthru = {
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isLLVM = true;
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};
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meta = {
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homepage = "https://libcxx.llvm.org/";
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description = "A new implementation of the C++ standard library, targeting C++11";
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license = with stdenv.lib.licenses; [ ncsa mit ];
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platforms = stdenv.lib.platforms.all;
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};
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}
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