Index: CMakeLists.txt =================================================================== --- CMakeLists.txt +++ CMakeLists.txt @@ -370,9 +370,9 @@ # 'config-ix' use them during feature checks. It also adds them to both # 'LIBCXX_COMPILE_FLAGS' and 'LIBCXX_LINK_FLAGS' add_target_flags_if(LIBCXX_BUILD_32_BITS "-m32") -add_target_flags_if(LIBCXX_TARGET_TRIPLE "-target ${LIBCXX_TARGET_TRIPLE}") +add_target_flags_if(LIBCXX_TARGET_TRIPLE "--target=${LIBCXX_TARGET_TRIPLE}") add_target_flags_if(LIBCXX_SYSROOT "--sysroot=${LIBCXX_SYSROOT}") -add_target_flags_if(LIBCXX_GCC_TOOLCHAIN "-gcc-toolchain ${LIBCXX_GCC_TOOLCHAIN}") +add_target_flags_if(LIBCXX_GCC_TOOLCHAIN "--gcc-toolchain=${LIBCXX_GCC_TOOLCHAIN}") if (LIBCXX_TARGET_TRIPLE) set(TARGET_TRIPLE "${LIBCXX_TARGET_TRIPLE}") endif() Index: cmake/Modules/HandleCompilerRT.cmake =================================================================== --- cmake/Modules/HandleCompilerRT.cmake +++ cmake/Modules/HandleCompilerRT.cmake @@ -3,7 +3,7 @@ message(FATAL_ERROR "LIBCXX_COMPILE_FLAGS must be defined when using this function") endif() set(dest "" PARENT_SCOPE) - set(CLANG_COMMAND ${CMAKE_CXX_COMPILER} ${TARGET_TRIPLE} ${LIBCXX_COMPILE_FLAGS} + set(CLANG_COMMAND ${CMAKE_CXX_COMPILER} ${LIBCXX_COMPILE_FLAGS} "--rtlib=compiler-rt" "--print-libgcc-file-name") if (CMAKE_CXX_COMPILER_ID MATCHES Clang AND CMAKE_CXX_COMPILER_TARGET) list(APPEND CLANG_COMMAND "--target=${CMAKE_CXX_COMPILER_TARGET}")