61 lines
2.1 KiB
Plaintext
61 lines
2.1 KiB
Plaintext
# Description: WASI libc++ implementation for WebAssembly
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# URL: https://libcxx.llvm.org/
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# Maintainer: John McQuah, jmcquah at disroot dot org
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# Depends on: wasi-compiler-rt
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name=wasi-libc++
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version=18.1.4
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release=1
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source=(https://github.com/llvm/llvm-project/releases/download/llvmorg-$version/llvm-project-$version.src.tar.xz
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wasi-sdk.cmake)
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build() {
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cd llvm-project-$version.src
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mkdir -p build cmake/Platform
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cp "$SRC"/wasi-sdk.cmake build
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echo "set(WASI 1)" > cmake/Platform/WASI.cmake
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cmake -G Ninja -S runtimes -B build \
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-D CMAKE_BUILD_TYPE=Release \
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-D CMAKE_C_FLAGS="-O3 -pipe -DNDEBUG -fno-exceptions --sysroot=/usr/share/wasi-sysroot" \
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-D CMAKE_CXX_FLAGS="-O3 -pipe -DNDEBUG -fno-exceptions --sysroot=/usr/share/wasi-sysroot" \
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-D CMAKE_TOOLCHAIN_FILE=wasi-sdk.cmake \
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-D CMAKE_CXX_COMPILER_WORKS=ON \
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-D CMAKE_C_COMPILER_WORKS=ON \
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-D CMAKE_INSTALL_PREFIX=/usr/share/wasi-sysroot \
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-D LLVM_ENABLE_RUNTIMES="libcxx;libcxxabi" \
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-D LLVM_DEFAULT_TARGET_TRIPLE=wasm32-wasi \
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-D LIBCXX_ABI_VERSION=2 \
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-D LIBCXX_ENABLE_EXCEPTIONS=OFF \
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-D LIBCXX_ENABLE_FILESYSTEM=OFF \
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-D LIBCXX_ENABLE_SHARED=OFF \
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-D LIBCXX_ENABLE_THREADS=OFF \
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-D LIBCXX_HAS_EXTERNAL_THREAD_API=OFF \
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-D LIBCXX_HAS_PTHREAD_API=OFF \
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-D LIBCXX_HAS_WIN32_THREAD_API=OFF \
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-D LIBCXX_INCLUDE_TESTS=OFF \
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-D LIBCXX_LIBDIR_SUFFIX=/wasm32-wasi \
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-D LIBCXXABI_ENABLE_EXCEPTIONS=OFF \
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-D LIBCXXABI_ENABLE_SHARED=OFF \
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-D LIBCXXABI_ENABLE_THREADS=OFF \
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-D LIBCXXABI_HAS_EXTERNAL_THREAD_API=OFF \
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-D LIBCXXABI_HAS_PTHREAD_API=OFF \
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-D LIBCXXABI_HAS_WIN32_THREAD_API=OFF \
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-D LIBCXXABI_INCLUDE_TESTS=OFF \
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-D LIBCXXABI_LIBDIR_SUFFIX=/wasm32-wasi \
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-D LIBCXXABI_SILENT_TERMINATE:BOOL=ON \
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-D LIBCXXABI_USE_LLVM_UNWINDER=OFF \
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-D UNIX=ON \
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-D WASI_SDK_PREFIX=/usr
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ninja -C build -j ${JOBS:-1} cxx cxxabi
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DESTDIR="$PKG" ninja -C build install-cxx install-cxxabi
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cd "$PKG"/usr/share/wasi-sysroot/lib/wasm32-wasi
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for f in *.a; do
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/usr/bin/llvm-ranlib $f
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/usr/bin/llvm-strip --strip-debug $f
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done
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}
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