Commit ee5911d7 authored by jan.koester's avatar jan.koester
Browse files

teset

parent dca15740

packaging/build-nspawn.sh

+60 −5
Original line number Diff line number Diff line
@@ -139,6 +139,63 @@ setup_toolchain() { 
        make -j\$(nproc)

        make install



        # Build libc++, libc++abi and libunwind against musl from LLVM source

        cd /tmp

        LLVM_TAG=llvmorg-${LLVM_VERSION}.1.8

        wget -q https://github.com/llvm/llvm-project/archive/refs/tags/\${LLVM_TAG}.tar.gz -O llvm-project.tar.gz

        tar xf llvm-project.tar.gz

        LLVM_SRC=/tmp/llvm-project-\${LLVM_TAG}



        # Build libunwind (no C++ deps)

        mkdir -p /tmp/build-libunwind && cd /tmp/build-libunwind

        cmake \${LLVM_SRC}/libunwind -G Ninja \

            -DCMAKE_C_COMPILER=clang-${LLVM_VERSION} \

            -DCMAKE_CXX_COMPILER=clang++-${LLVM_VERSION} \

            -DCMAKE_C_FLAGS=\"--target=x86_64-linux-musl --sysroot=/usr/local/musl -fPIC\" \

            -DCMAKE_CXX_FLAGS=\"--target=x86_64-linux-musl --sysroot=/usr/local/musl -fPIC -nostdinc++\" \

            -DCMAKE_EXE_LINKER_FLAGS=\"-fuse-ld=lld --target=x86_64-linux-musl -L/usr/local/musl/lib -rtlib=compiler-rt\" \

            -DCMAKE_INSTALL_PREFIX=/usr/local/musl \

            -DLIBUNWIND_ENABLE_SHARED=OFF \

            -DLIBUNWIND_USE_COMPILER_RT=ON \

            -DLLVM_PATH=\${LLVM_SRC}/llvm

        ninja

        ninja install



        # Build libc++abi (depends on libunwind)

        mkdir -p /tmp/build-libcxxabi && cd /tmp/build-libcxxabi

        cmake \${LLVM_SRC}/libcxxabi -G Ninja \

            -DCMAKE_C_COMPILER=clang-${LLVM_VERSION} \

            -DCMAKE_CXX_COMPILER=clang++-${LLVM_VERSION} \

            -DCMAKE_C_FLAGS=\"--target=x86_64-linux-musl --sysroot=/usr/local/musl -fPIC\" \

            -DCMAKE_CXX_FLAGS=\"--target=x86_64-linux-musl --sysroot=/usr/local/musl -fPIC -nostdinc++ -I\${LLVM_SRC}/libcxx/include\" \

            -DCMAKE_EXE_LINKER_FLAGS=\"-fuse-ld=lld --target=x86_64-linux-musl -L/usr/local/musl/lib -rtlib=compiler-rt -lunwind\" \

            -DCMAKE_INSTALL_PREFIX=/usr/local/musl \

            -DLIBCXXABI_ENABLE_SHARED=OFF \

            -DLIBCXXABI_USE_COMPILER_RT=ON \

            -DLIBCXXABI_USE_LLVM_UNWINDER=ON \

            -DLIBCXXABI_LIBUNWIND_PATH=\${LLVM_SRC}/libunwind \

            -DLLVM_PATH=\${LLVM_SRC}/llvm

        ninja

        ninja install



        # Build libc++ (depends on libc++abi)

        mkdir -p /tmp/build-libcxx && cd /tmp/build-libcxx

        cmake \${LLVM_SRC}/libcxx -G Ninja \

            -DCMAKE_C_COMPILER=clang-${LLVM_VERSION} \

            -DCMAKE_CXX_COMPILER=clang++-${LLVM_VERSION} \

            -DCMAKE_C_FLAGS=\"--target=x86_64-linux-musl --sysroot=/usr/local/musl -fPIC\" \

            -DCMAKE_CXX_FLAGS=\"--target=x86_64-linux-musl --sysroot=/usr/local/musl -fPIC -nostdinc++ -I\${LLVM_SRC}/libcxx/include\" \

            -DCMAKE_EXE_LINKER_FLAGS=\"-fuse-ld=lld --target=x86_64-linux-musl -L/usr/local/musl/lib -rtlib=compiler-rt -lunwind -lc++abi\" \

            -DCMAKE_INSTALL_PREFIX=/usr/local/musl \

            -DLIBCXX_ENABLE_SHARED=OFF \

            -DLIBCXX_USE_COMPILER_RT=ON \

            -DLIBCXX_CXX_ABI=libcxxabi \

            -DLIBCXX_CXX_ABI_INCLUDE_PATHS=\${LLVM_SRC}/libcxxabi/include \

            -DLIBCXX_HAS_MUSL_LIBC=ON \

            -DLLVM_PATH=\${LLVM_SRC}/llvm

        ninja

        ninja install



        # Create musl-clang wrapper that uses libc++ and compiler-rt

        cat > /usr/local/musl/bin/musl-clang++ << 'WRAPPER'

#!/bin/sh
@@ -179,8 +236,6 @@ WRAPPER 


        # Find compiler-rt lib path

        RT_PATH=\$(dirname \$(find /usr/lib/llvm-${LLVM_VERSION} -name 'libclang_rt.builtins-x86_64.a' | head -1))

        LLVM_LIB=/usr/lib/llvm-${LLVM_VERSION}/lib

        SYSTEM_LIB=/usr/lib/x86_64-linux-gnu



        cat > /usr/local/musl/share/musl-llvm-toolchain.cmake << CMAKE

set(CMAKE_SYSTEM_NAME Linux)
@@ -191,10 +246,10 @@ set(CMAKE_CXX_COMPILER clang++-${LLVM_VERSION}) 
set(CMAKE_LINKER lld-${LLVM_VERSION})



set(CMAKE_C_FLAGS_INIT \"--target=x86_64-linux-musl --sysroot=/usr/local/musl -isystem /usr/local/musl/include -fPIC\")

set(CMAKE_CXX_FLAGS_INIT \"--target=x86_64-linux-musl --sysroot=/usr/local/musl -isystem /usr/local/musl/include -nostdinc++ -isystem /usr/include/c++/v1 -fPIC\")

set(CMAKE_CXX_FLAGS_INIT \"--target=x86_64-linux-musl --sysroot=/usr/local/musl -isystem /usr/local/musl/include -nostdinc++ -isystem /usr/local/musl/include/c++/v1 -fPIC\")



set(CMAKE_EXE_LINKER_FLAGS_INIT \"-fuse-ld=lld -L/usr/local/musl/lib -L\${LLVM_LIB} -L\${SYSTEM_LIB} -L\${RT_PATH} -rtlib=compiler-rt --target=x86_64-linux-musl\")

set(CMAKE_SHARED_LINKER_FLAGS_INIT \"-fuse-ld=lld -L/usr/local/musl/lib -L\${LLVM_LIB} -L\${SYSTEM_LIB} -L\${RT_PATH} -rtlib=compiler-rt --target=x86_64-linux-musl\")

set(CMAKE_EXE_LINKER_FLAGS_INIT \"-fuse-ld=lld -L/usr/local/musl/lib -L\${RT_PATH} -rtlib=compiler-rt --target=x86_64-linux-musl\")

set(CMAKE_SHARED_LINKER_FLAGS_INIT \"-fuse-ld=lld -L/usr/local/musl/lib -L\${RT_PATH} -rtlib=compiler-rt --target=x86_64-linux-musl\")



set(CMAKE_CXX_STANDARD_LIBRARIES \"-lc++ -lc++abi -lunwind\")