| cmake_minimum_required(VERSION 3.4.3) | 
 | project(custom-libcxx C CXX) | 
 |  | 
 | # Build static libcxxabi. | 
 | set(LIBCXXABI_STANDALONE_BUILD 1) | 
 | set(LIBCXXABI_ENABLE_SHARED OFF CACHE BOOL "") | 
 | set(LIBCXXABI_ENABLE_EXCEPTIONS ON CACHE BOOL "") | 
 | set(LIBCXXABI_HERMETIC_STATIC_LIBRARY ON CACHE STRING "") | 
 | set(LIBCXXABI_LIBCXX_PATH ${COMPILER_RT_LIBCXX_PATH} CACHE PATH "") | 
 | set(LIBCXXABI_INCLUDE_TESTS OFF CACHE BOOL "") | 
 | add_subdirectory(${COMPILER_RT_LIBCXXABI_PATH} ${CMAKE_CURRENT_BINARY_DIR}/cxxabi) | 
 |  | 
 | # Build static libcxx without exceptions. | 
 | set(LIBCXX_STANDALONE_BUILD 1) | 
 | set(LIBCXX_ENABLE_EXPERIMENTAL_LIBRARY OFF CACHE BOOL "") | 
 | set(LIBCXX_ENABLE_SHARED OFF CACHE BOOL "") | 
 | set(LIBCXX_ENABLE_EXCEPTIONS OFF CACHE BOOL "") | 
 | set(LIBCXX_HERMETIC_STATIC_LIBRARY ON CACHE BOOL "") | 
 |  | 
 | # Use above libcxxabi. | 
 | set(LIBCXX_CXX_ABI "libcxxabi" CACHE STRING "") | 
 | set(LIBCXX_CXX_ABI_INTREE 1) | 
 | set(LIBCXX_ENABLE_STATIC_ABI_LIBRARY ON CACHE BOOL "") | 
 | set(LIBCXX_CXX_ABI_INCLUDE_PATHS ${COMPILER_RT_LIBCXXABI_PATH}/include CACHE PATH "") | 
 |  | 
 | add_subdirectory(${COMPILER_RT_LIBCXX_PATH} ${CMAKE_CURRENT_BINARY_DIR}/cxx) |