Initial commit

wasm-libcxx.nix

@@ -0,0 +1,69 @@
+{ pkgs }:
+with pkgs;
+stdenv.mkDerivation rec {
+  name = "wasm-libcxx";
+  version = "17.0.6";
+  src = fetchzip {
+    url = "https://github.com/llvm/llvm-project/archive/refs/tags/llvmorg-17.0.6.tar.gz";
+    hash = "sha256-8MEDLLhocshmxoEBRSKlJ/GzJ8nfuzQ8qn0X/vLA+ag=";
+  };
+
+  wasm-llvm = import ./wasm-llvm.nix { inherit pkgs; };
+
+  wasi-libc = import ./wasi-libc.nix { inherit pkgs; };
+
+  dontFixup = true;
+
+  nativeBuildInputs = [
+    cmake
+    ninja
+    python3
+  ];
+
+  configurePhase = ''
+    cmake -G Ninja \
+    -DCMAKE_C_COMPILER_WORKS=ON \
+    -DCMAKE_CXX_COMPILER_WORKS=ON \
+    -DCMAKE_AR=${wasm-llvm}/bin/ar \
+    -DCMAKE_MODULE_PATH=${wasm-llvm.dev}/cmake \
+    -DCMAKE_TOOLCHAIN_FILE=/${wasm-llvm.dev}/cmake/toolchain.cmake \
+    -DCMAKE_STAGING_PREFIX=$out \
+    -DCMAKE_POSITION_INDEPENDENT_CODE=OFF \
+    -DLIBCXX_ENABLE_THREADS:BOOL=OFF \
+    -DLIBCXX_HAS_PTHREAD_API:BOOL=OFF \
+    -DLIBCXX_HAS_EXTERNAL_THREAD_API:BOOL=OFF \
+    -DLIBCXX_HAS_WIN32_THREAD_API:BOOL=OFF \
+    -DLLVM_COMPILER_CHECKED=ON \
+    -DCMAKE_BUILD_TYPE=Release \
+    -DLIBCXX_ENABLE_SHARED:BOOL=OFF \
+    -DLIBCXX_ENABLE_EXCEPTIONS:BOOL=OFF \
+    -DLIBCXX_ENABLE_FILESYSTEM:BOOL=OFF \
+    -DLIBCXX_ENABLE_ABI_LINKER_SCRIPT:BOOL=OFF \
+    -DLIBCXX_CXX_ABI=libcxxabi \
+    -DLIBCXX_HAS_MUSL_LIBC:BOOL=ON \
+    -DLIBCXX_ABI_VERSION=2 \
+    -DLIBCXXABI_ENABLE_EXCEPTIONS:BOOL=OFF \
+    -DLIBCXXABI_ENABLE_SHARED:BOOL=OFF \
+    -DLIBCXXABI_SILENT_TERMINATE:BOOL=ON \
+    -DLIBCXXABI_ENABLE_THREADS:BOOL=OFF \
+    -DLIBCXXABI_HAS_PTHREAD_API:BOOL=OFF \
+    -DLIBCXXABI_HAS_EXTERNAL_THREAD_API:BOOL=OFF \
+    -DLIBCXXABI_HAS_WIN32_THREAD_API:BOOL=OFF \
+    -DLIBCXXABI_USE_LLVM_UNWINDER:BOOL=OFF \
+    -DUNIX:BOOL=ON \
+    --debug-trycompile \
+    -DCMAKE_SYSROOT_COMPILE=${wasi-libc.dev} \
+    -DCMAKE_SYSROOT_LINK=${wasi-libc} \
+    -DCMAKE_CXX_FLAGS="-fno-exceptions" \
+    -DLLVM_ENABLE_RUNTIMES="libcxx;libcxxabi" \
+    ${src}/runtimes
+  '';
+
+  buildPhase = ''
+    ninja -v
+  '';
+
+  installPhase = ''
+    ninja -v install
+  '';
+}