search for: dlibcxxabi_use_compiler_rt

...g -DCMAKE_CXX_COMPILER=clang++ -DCMAKE_LINKER=lld -DCMAKE_LINK_EXECUTABLE="/usr/bin/ld.lld" -DCMAKE_AR="/usr/bin/llvm-ar" -DCMAKE_AS="/usr/bin/llvm-as" -DCLANG_DEFAULT_LINKER=lld -DCLANG_DEFAULT_RTLIB=compiler-rt -DCLANG_ENABLE_BOOTSTRAP=ON -DLIBCXX_USE_COMPILER_RT=ON -DLIBCXXABI_USE_COMPILER_RT=ON -DLLVM_ENABLE_LLD=ON -DLLVM_ENABLE_LIBCXX=ON However, the build fails with (many of those error messages): [1274/2712] Linking CXX shared library lib/libc++abi.so.1.0 FAILED: lib/libc++abi.so.1. /usr/bin/ld.lld: error: undefined symbol: _Unwind_Resume >>> referenced by ld-temp.o >&...

You also need -DLIBUNWIND_USE_COMPILER_RT=ON -DLIBCXXABI_USE_LLVM_UNWINDER=ON. This is because you set -DLIBCXXABI_USE_COMPILER_RT=ON so libc++abi.so is no longer being linked agains libgcc_s.so which is where the unwinder otherwise comes from. On Sun, May 6, 2018 at 4:05 AM via llvm-dev <llvm-dev at lists.llvm.org> wrote: > I try to compile LLVM, clang, lld and libcxx together in one source > directory following...

...=Release \ -DLLVM_ENABLE_RTTI=ON \ -DLLVM_TARGETS_TO_BUILD="host" \ -DBUILD_SHARED_LIBS=ON \ -DLLVM_ENABLE_PROJECTS="clang;libcxx;libcxxabi;compiler-rt;lld;libunwind" \ -DLIBCXX_CXX_ABI=libcxxabi \ -DLIBCXX_USE_COMPILER_RT=On \ -DLIBCXXABI_USE_LLVM_UNWINDER=On \ -DLIBCXXABI_USE_COMPILER_RT=On \ -DLIBCXX_HAS_GCC_S_LIB=Off \ -DLIBUNWIND_USE_COMPILER_RT=On \ -DCLANG_DEFAULT_CXX_STDLIB=libc++ \ -DCLANG_DEFAULT_RTLIB=compiler-rt \ -DCLANG_DEFAULT_LINKER=lld \ ../llvm-project/llvm # configure3.txt === snap === I'm getting this error: === snip === [ 40%] Building CXX object...

Hi folks! I'm trying to get rid of any dependency on libgcc*, but without success so far. The following commands were executed on a freshliy installed and updated Ubuntu 16.04 LTS: === snip === sudo apt-get install build-essential libffi-dev cmake # see aptget.txt for packages installed sudo mv /usr/local /usr/local.orig git clone https://github.com/llvm/llvm-project.git cd llvm-project; git