40 lines
1.5 KiB
Plaintext
40 lines
1.5 KiB
Plaintext
# Description: WASI LLVM compiler runtime
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# URL: https://compiler-rt.llvm.org/
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# Maintainer: John McQuah, jmcquah at disroot dot org
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# Depends on: wasi-libc
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name=wasi-compiler-rt
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version=18.1.7
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release=1
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source=(https://github.com/llvm/llvm-project/releases/download/llvmorg-$version/compiler-rt-$version.src.tar.xz
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https://github.com/llvm/llvm-project/releases/download/llvmorg-$version/llvm-$version.src.tar.xz
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https://github.com/llvm/llvm-project/releases/download/llvmorg-$version/cmake-$version.src.tar.xz
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wasi-toolchain.cmake)
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build() {
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# Platform files have been copied from https://github.com/WebAssembly/wasi-sdk
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mv llvm-$version.src llvm
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mv cmake-$version.src cmake
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mkdir cmake/Platform
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echo "set(WASI 1)" > cmake/Platform/WASI.cmake
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cmake -S compiler-rt-$version.src/lib/builtins -B build -G Ninja \
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-D CMAKE_INSTALL_PREFIX="/usr/lib/clang/${version%%.*}" \
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-D COMPILER_RT_INSTALL_PATH="/usr/lib/clang/${version%%.*}" \
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-D CMAKE_BUILD_TYPE=Release \
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-D CMAKE_C_FLAGS='-O3 -DNDEBUG -fno-exceptions --sysroot=/usr/share/wasi-sysroot' \
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-D CMAKE_MODULE_PATH="$SRC/cmake" \
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-D CMAKE_TOOLCHAIN_FILE="$SRC/wasi-toolchain.cmake" \
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-D COMPILER_RT_BAREMETAL_BUILD=ON \
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-D COMPILER_RT_INCLUDE_TESTS=OFF \
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-D COMPILER_RT_HAS_FPIC_FLAG=OFF \
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-D COMPILER_RT_DEFAULT_TARGET_ONLY=ON \
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-D COMPILER_RT_OS_DIR=wasi \
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-D WASI_SDK_PREFIX=/usr
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cmake --build build
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DESTDIR=$PKG cmake --install build
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/usr/bin/llvm-strip --strip-debug $PKG/usr/lib/clang/${version%%.*}/lib/wasi/libclang_rt.builtins-wasm32.a
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}
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