e408142ca5
Update the build_sysroot to build an LLVM 11 sysroot, dealing with LLVM's change in structure. Also re-add peru.yaml for getting a pre-built sysroot via peru. See: https://github.com/buildinspace/peru
127 lines
3.3 KiB
Bash
Executable File
127 lines
3.3 KiB
Bash
Executable File
#!/bin/bash
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set -o errexit
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set -o errtrace
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set -o pipefail
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set -o nounset
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function errmsg () {
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echo "Error: $(caller)"
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echo "Working directory not cleaned up!"
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}
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trap errmsg ERR
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LLVM_VERSION=11
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J6_TOOLCHAINS="${J6_TOOLCHAINS:-$(realpath ~/.local/lib/jsix)}"
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CHAIN_NAME="llvm-${LLVM_VERSION}"
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LLVM_BRANCH="release/${LLVM_VERSION}.x"
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SYSROOT="${J6_TOOLCHAINS}/sysroots/${CHAIN_NAME}"
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ROOT=$(realpath ${1:-$(mktemp -d "sysroot_build.XXX")})
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OUT="${ROOT}/sysroot"
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echo "Working in ${ROOT}"
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if [ ! -d "${ROOT}/llvm-project" ]; then
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echo "* Downloading LLVM ${LLVM_VERSION}"
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git clone -q --depth 1 \
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--branch "${LLVM_BRANCH}" \
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"https://github.com/llvm/llvm-project" \
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"${ROOT}/llvm-project"
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fi
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if [ -d "${OUT}" ]; then
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rm -rf "${OUT}"
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fi
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mkdir -p "${OUT}"
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## Stage1: build an LLVM toolchain that doesn't rely on the host libraries,
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## compiler, runtime, etc.
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echo "* Configuring stage1"
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mkdir -p "${ROOT}/stage1"
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cmake -G Ninja \
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-S "${ROOT}/llvm-project/llvm" \
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-B "${ROOT}/stage1" \
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-DCLANG_DEFAULT_RTLIB=compiler-rt \
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-DCMAKE_BUILD_TYPE=Release \
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-DCMAKE_C_COMPILER="clang" \
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-DCMAKE_C_COMPILER_LAUNCHER=ccache \
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-DCMAKE_CXX_COMPILER="clang++" \
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-DCMAKE_CXX_COMPILER_LAUNCHER=ccache \
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-DCMAKE_SHARED_LINKER_FLAGS="-fuse-ld=lld" \
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-DLIBCXXABI_USE_COMPILER_RT=ON \
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-DLIBCXXABI_USE_LLVM_UNWINDER=ON \
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-DLIBCXX_CXX_ABI=libcxxabi \
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-DLIBUNWIND_USE_COMPILER_RT=ON \
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-DLLVM_BUILD_TOOLS=OFF \
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-DLLVM_ENABLE_BINDINGS=OFF \
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-DLLVM_ENABLE_PROJECTS="clang;lld;libcxx;libcxxabi;libunwind;compiler-rt" \
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-DLLVM_INCLUDE_BENCHMARKS=OFF \
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-DLLVM_INCLUDE_EXAMPLES=OFF \
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-DLLVM_INCLUDE_TESTS=OFF \
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-DLLVM_INCLUDE_UTILS=OFF \
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-DLLVM_TARGETS_TO_BUILD="X86" \
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-DLLVM_USE_LINKER="lld" \
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2>&1 > "${ROOT}/configure_stage1.log"
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echo "* Building stage1"
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ninja -C "${ROOT}/stage1" -v > "${ROOT}/build_stage1.log"
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STAGE1="${ROOT}/stage1/bin"
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## Stage2: build the sysroot libraries with the stage1 toolchain
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echo "* Configuring stage2"
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mkdir -p "${ROOT}/stage2"
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cmake -G Ninja \
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-S "${ROOT}/llvm-project/llvm" \
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-B "${ROOT}/stage2" \
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-DCMAKE_BUILD_TYPE=Release \
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-DCMAKE_C_COMPILER="${STAGE1}/clang" \
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-DCMAKE_C_COMPILER_LAUNCHER=ccache \
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-DCMAKE_CXX_COMPILER="${STAGE1}/clang++" \
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-DCMAKE_CXX_COMPILER_LAUNCHER=ccache \
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-DCMAKE_INSTALL_PREFIX="${OUT}" \
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-DCMAKE_SHARED_LINKER_FLAGS="-fuse-ld=${STAGE1}/ld.lld" \
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-DLIBCXXABI_ENABLE_STATIC_UNWINDER=ON \
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-DLIBCXXABI_USE_COMPILER_RT=ON \
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-DLIBCXXABI_USE_LLVM_UNWINDER=ON \
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-DLIBCXX_CXX_ABI=libcxxabi \
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-DLIBCXX_INCLUDE_BENCHMARKS=OFF \
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-DLIBUNWIND_USE_COMPILER_RT=ON \
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-DLLVM_DEFAULT_TARGET_TRIPLE="x86_64-unknown-elf" \
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-DLLVM_ENABLE_BINDINGS=OFF \
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-DLLVM_ENABLE_LIBCXX=ON \
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-DLLVM_ENABLE_PROJECTS="libcxx;libcxxabi;libunwind" \
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-DLLVM_INCLUDE_BENCHMARKS=OFF \
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-DLLVM_INCLUDE_EXAMPLES=OFF \
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-DLLVM_INCLUDE_TESTS=OFF \
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-DLLVM_INCLUDE_TOOLS=OFF \
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-DLLVM_INCLUDE_UTILS=OFF \
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-DLLVM_TARGETS_TO_BUILD="X86" \
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-DLLVM_USE_LINKER="${STAGE1}/ld.lld" \
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2>&1 > "${ROOT}/configure_stage2.log"
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echo "* Building stage2"
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ninja -C "${ROOT}/stage2" -v > "${ROOT}/build_stage2.log"
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echo "* Installing stage2"
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ninja -C "${ROOT}/stage2" -v install/strip > "${ROOT}/install_stage2.log"
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echo "* Installing new sysroot"
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rm -rf "${SYSROOT}"
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mv "${OUT}" "${SYSROOT}"
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echo "* Cleaning up"
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trap - ERR
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rm -rf "${ROOT}"
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echo "Done"
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