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1 # Description: WASI LLVM compiler runtime
2 # URL: https://compiler-rt.llvm.org/
3 # Maintainer: Danny Rawlins, crux at romster dot me
4 # Depends on: wasi-libc
5
6 name=wasi-compiler-rt
7 version=15.0.3
8 release=1
9 source=(https://github.com/llvm/llvm-project/releases/download/llvmorg-$version/compiler-rt-$version.src.tar.xz
10 https://github.com/llvm/llvm-project/releases/download/llvmorg-$version/llvm-$version.src.tar.xz
11 https://github.com/llvm/llvm-project/releases/download/llvmorg-$version/cmake-$version.src.tar.xz
12 WASI.cmake wasi-toolchain.cmake)
13
14 build() {
15 # Platform files have been copied from https://github.com/WebAssembly/wasi-sdk
16 mv llvm-$version.src llvm
17 mv cmake-$version.src cmake
18 install -D WASI.cmake cmake/Platform/WASI.cmake
19
20 cmake -S compiler-rt-$version.src/lib/builtins -B build -G Ninja \
21 -D CMAKE_INSTALL_PREFIX="/usr/lib/clang/$version" \
22 -D COMPILER_RT_INSTALL_PATH="/usr/lib/clang/$version" \
23 -D CMAKE_BUILD_TYPE=Release \
24 -D CMAKE_C_FLAGS_RELEASE='-O3 -DNDEBUG -fno-exceptions --sysroot=/usr/share/wasi-sysroot' \
25 -D CMAKE_MODULE_PATH="$SRC/cmake" \
26 -D CMAKE_TOOLCHAIN_FILE="$SRC/wasi-toolchain.cmake" \
27 -D COMPILER_RT_BAREMETAL_BUILD=ON \
28 -D COMPILER_RT_INCLUDE_TESTS=OFF \
29 -D COMPILER_RT_HAS_FPIC_FLAG=OFF \
30 -D COMPILER_RT_DEFAULT_TARGET_ONLY=ON \
31 -D COMPILER_RT_OS_DIR=wasi \
32 -D WASI_SDK_PREFIX=/usr
33
34 cmake --build build
35 DESTDIR=$PKG cmake --install build
36
37 /usr/bin/llvm-strip --strip-debug $PKG/usr/lib/clang/$version/lib/wasi/libclang_rt.builtins-wasm32.a
38 }
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