130 lines
4.0 KiB
Nix
130 lines
4.0 KiB
Nix
# Serene Programming Language
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#
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# Copyright (c) 2019-2023 Sameer Rahmani <lxsameer@gnu.org>
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, version 2.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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{
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lib,
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stdenv,
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cmake,
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ninja,
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python3,
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runCommand,
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fetchpatch,
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cxx-headers,
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llvm_libunwind,
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utils,
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llvm_source,
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}:
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stdenv.mkDerivation rec {
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pname = "llvm_libcxxabi";
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inherit (llvm_source) version;
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src = runCommand "${pname}-src-${version}" {} ''
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mkdir -p "$out"
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cp -r ${llvm_source}/cmake "$out"
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cp -r ${llvm_source}/libcxxabi "$out"
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mkdir -p "$out/libcxx/src"
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cp -r ${llvm_source}/libcxx/cmake "$out/libcxx"
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cp -r ${llvm_source}/libcxx/include "$out/libcxx"
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cp -r ${llvm_source}/libcxx/src/include "$out/libcxx/src"
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mkdir -p "$out/llvm"
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cp -r ${llvm_source}/llvm/cmake "$out/llvm"
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cp -r ${llvm_source}/llvm/utils "$out/llvm"
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cp -r ${llvm_source}/runtimes "$out"
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'';
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sourceRoot = "${src.name}/runtimes";
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outputs = [ "out" "dev" ];
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postUnpack = lib.optionalString stdenv.isDarwin ''
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export TRIPLE=x86_64-apple-darwin
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'';
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prePatch = ''
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cd ../libcxxabi
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chmod -R u+w .
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'';
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patches = [
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./gnu-install-dirs.patch
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# Patch to allow libcxxabi standalone installation
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# `LIBCXXABI_LIBCXX_INCLUDES` is not doing anything in the
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# vanilla source from the llvm-project, and it will be removed
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# in the future.
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./standalone.patch
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#./test.patch
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];
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postPatch = ''
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cd ../runtimes
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'';
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nativeBuildInputs = [ cmake ninja python3 ];
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buildInputs = [ llvm_libunwind ];
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ninjaFlags = [ "-v" ];
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cmakeFlags = [
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"-DLLVM_ENABLE_RUNTIMES=libcxxabi"
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"-DLIBCXXABI_LIBCXX_INCLUDES=${cxx-headers}/include/c++/v1"
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# `libcxxabi`'s build does not need a toolchain with a c++ stdlib attached
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# (we specify the headers it should use explicitly above).
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#
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# CMake however checks for this anyways; this flag tells it not to. See:
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# https://github.com/llvm/llvm-project/blob/4bd3f3759259548e159aeba5c76efb9a0864e6fa/llvm/runtimes/CMakeLists.txt#L243
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"-DCMAKE_CXX_COMPILER_WORKS=ON"
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] ++ lib.optionals (!stdenv.hostPlatform.isWasm) [
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"-DLLVM_ENABLE_LIBCXX=ON"
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"-DLIBCXXABI_USE_LLVM_UNWINDER=ON"
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# libcxxabi's CMake looks as though it treats -nostdlib++ as implying -nostdlib,
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# but that does not appear to be the case for example when building
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# pkgsLLVM.libcxxabi (which uses clangNoCompilerRtWithLibc).
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"-DCMAKE_EXE_LINKER_FLAGS=-nostdlib"
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"-DCMAKE_SHARED_LINKER_FLAGS=-nostdlib"
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"-DLIBCXXABI_USE_COMPILER_RT=ON"
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] ++ lib.optionals stdenv.hostPlatform.isWasm [
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"-DCMAKE_C_COMPILER_WORKS=ON"
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"-DCMAKE_CXX_COMPILER_WORKS=ON"
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"-DLIBCXXABI_ENABLE_THREADS=OFF"
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"-DLIBCXXABI_ENABLE_EXCEPTIONS=OFF"
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"-DUNIX=ON" # Required otherwise libc++ fails to detect the correct linker
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# We care only about the static libcxxabi
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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 ../../libcxxabi/include/${if stdenv.isDarwin then "*" else "cxxabi.h"} "$dev/include"
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'';
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passthru = {
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libName = "c++abi";
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};
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inherit (utils) meta;
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}
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