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dbc5a792a2
I can't think of any good reason it was the way it was before. I think CMake can be made to install the headers too, but this is a fine first step.
69 lines
2.4 KiB
Nix
69 lines
2.4 KiB
Nix
{ lib, stdenv, llvm_meta, cmake, fetch, libcxx, libunwind, llvm, version
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, enableShared ? !stdenv.hostPlatform.isStatic
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}:
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stdenv.mkDerivation {
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pname = "libcxxabi";
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inherit version;
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src = fetch "libcxxabi" "0yqs722y76cwvmfsq0lb917r9m3fci7bf5z3yzl71yz9n88ghzm9";
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outputs = [ "out" "dev" ];
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postUnpack = ''
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unpackFile ${libcxx.src}
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unpackFile ${llvm.src}
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cmakeFlags+=" -DLLVM_PATH=$PWD/$(ls -d llvm-*) -DLIBCXXABI_LIBCXX_PATH=$PWD/$(ls -d libcxx-*)"
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'' + lib.optionalString stdenv.isDarwin ''
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export TRIPLE=x86_64-apple-darwin
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'' + lib.optionalString stdenv.hostPlatform.isMusl ''
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patch -p1 -d $(ls -d libcxx-*) -i ${../../libcxx-0001-musl-hacks.patch}
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'' + lib.optionalString stdenv.hostPlatform.isWasm ''
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patch -p1 -d $(ls -d llvm-*) -i ${./wasm.patch}
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'';
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patches = [
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./no-threads.patch
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./gnu-install-dirs.patch
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];
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nativeBuildInputs = [ cmake ];
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buildInputs = lib.optional (!stdenv.isDarwin && !stdenv.isFreeBSD && !stdenv.hostPlatform.isWasm) libunwind;
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cmakeFlags = lib.optionals (stdenv.hostPlatform.useLLVM or false) [
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"-DLLVM_ENABLE_LIBCXX=ON"
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"-DLIBCXXABI_USE_LLVM_UNWINDER=ON"
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] ++ lib.optionals stdenv.hostPlatform.isWasm [
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"-DLIBCXXABI_ENABLE_THREADS=OFF"
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"-DLIBCXXABI_ENABLE_EXCEPTIONS=OFF"
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] ++ lib.optionals (!enableShared) [
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"-DLIBCXXABI_ENABLE_SHARED=OFF"
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];
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preInstall = lib.optionalString stdenv.isDarwin ''
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for file in lib/*.dylib; do
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# this should be done in CMake, but having trouble figuring out
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# the magic combination of necessary CMake variables
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# if you fancy a try, take a look at
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# https://gitlab.kitware.com/cmake/community/-/wikis/doc/cmake/RPATH-handling
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install_name_tool -id $out/$file $file
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done
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'';
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postInstall = ''
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mkdir -p "$dev/include"
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install -m 644 ../include/${if stdenv.isDarwin then "*" else "cxxabi.h"} "$dev/include"
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'';
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meta = llvm_meta // {
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homepage = "https://libcxxabi.llvm.org/";
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description = "Provides C++ standard library support";
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longDescription = ''
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libc++abi is a new implementation of low level support for a standard C++ library.
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'';
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# "All of the code in libc++abi is dual licensed under the MIT license and
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# the UIUC License (a BSD-like license)":
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license = with lib.licenses; [ mit ncsa ];
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maintainers = llvm_meta.maintainers ++ [ lib.maintainers.vlstill ];
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};
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}
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