Author: phosek Date: Wed Feb 15 00:41:57 2017 New Revision: 295153 URL: http://llvm.org/viewvc/llvm-project?rev=295153&view=rev Log: [libunwind][CMake] Use libc++ headers when available
libunwind depends on C++ library headers. When building libunwind as part of LLVM and libc++ is available, use its headers. Differential Revision: https://reviews.llvm.org/D29800 Modified: libunwind/trunk/CMakeLists.txt Modified: libunwind/trunk/CMakeLists.txt URL: http://llvm.org/viewvc/llvm-project/libunwind/trunk/CMakeLists.txt?rev=295153&r1=295152&r2=295153&view=diff ============================================================================== --- libunwind/trunk/CMakeLists.txt (original) +++ libunwind/trunk/CMakeLists.txt Wed Feb 15 00:41:57 2017 @@ -282,4 +282,24 @@ endif() include_directories(include) +find_path( + LIBUNWIND_LIBCXX_INCLUDES_INTERNAL + __libcpp_version + PATHS ${LLVM_MAIN_SRC_DIR}/projects/libcxx/include + ${LLVM_MAIN_SRC_DIR}/runtimes/libcxx/include + NO_DEFAULT_PATH +) +if ((NOT LIBUNWIND_STANDALONE_BUILD OR HAVE_LIBCXX) AND + IS_DIRECTORY "${LIBUNWIND_LIBCXX_INCLUDES_INTERNAL}") + set(LIBUNWIND_CXX_INCLUDE_PATHS_DEFAULT "${LIBUNWIND_LIBCXX_INCLUDES_INTERNAL}") +endif() + +set(LIBUNWIND_CXX_INCLUDE_PATHS "${LIBUNWIND_CXX_INCLUDE_PATHS_DEFAULT}" CACHE PATH + "Paths to C++ header directories separated by ';'.") + +if (NOT LIBUNWIND_CXX_INCLUDE_PATHS STREQUAL "") + set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -nostdinc++") + include_directories("${LIBUNWIND_CXX_INCLUDE_PATHS}") +endif() + add_subdirectory(src) _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
