diff options
Diffstat (limited to 'libcxx/CMakeLists.txt')
| -rw-r--r-- | libcxx/CMakeLists.txt | 23 |
1 files changed, 19 insertions, 4 deletions
diff --git a/libcxx/CMakeLists.txt b/libcxx/CMakeLists.txt index 9e27ba41e99..c6b05b61f6a 100644 --- a/libcxx/CMakeLists.txt +++ b/libcxx/CMakeLists.txt @@ -224,6 +224,7 @@ option(LIBCXXABI_ENABLE_STATIC_UNWINDER "Statically link the LLVM unwinder." OFF # Target options -------------------------------------------------------------- option(LIBCXX_BUILD_32_BITS "Build 32 bit libc++." ${LLVM_BUILD_32_BITS}) +set(LIBCXX_TARGET_TRIPLE "" CACHE STRING "Use alternate target triple.") set(LIBCXX_SYSROOT "" CACHE STRING "Use alternate sysroot.") set(LIBCXX_GCC_TOOLCHAIN "" CACHE STRING "Use alternate GCC toolchain.") @@ -460,10 +461,24 @@ include(HandleLibcxxFlags) # 'config-ix' use them during feature checks. It also adds them to both # 'LIBCXX_COMPILE_FLAGS' and 'LIBCXX_LINK_FLAGS' add_target_flags_if(LIBCXX_BUILD_32_BITS "-m32") -add_target_flags_if(LIBCXX_TARGET_TRIPLE "--target=${LIBCXX_TARGET_TRIPLE}") -add_target_flags_if(LIBCXX_SYSROOT "--sysroot=${LIBCXX_SYSROOT}") -add_target_flags_if(LIBCXX_GCC_TOOLCHAIN "--gcc-toolchain=${LIBCXX_GCC_TOOLCHAIN}") -if (LIBCXX_TARGET_TRIPLE) + +if(LIBCXX_TARGET_TRIPLE) + add_target_flags("--target=${LIBCXX_TARGET_TRIPLE}") +elseif(CMAKE_CXX_COMPILER_TARGET) + set(LIBCXX_TARGET_TRIPLE "${CMAKE_CXX_COMPILER_TARGET}") +endif() +if(LIBCXX_SYSROOT) + add_target_flags("--sysroot=${LIBCXX_SYSROOT}") +elseif(CMAKE_SYSROOT) + set(LIBCXX_SYSROOT "${CMAKE_SYSROOT}") +endif() +if(LIBCXX_GCC_TOOLCHAIN) + add_target_flags("--gcc-toolchain=${LIBCXX_GCC_TOOLCHAIN}") +elseif(CMAKE_CXX_COMPILER_EXTERNAL_TOOLCHAIN) + set(LIBCXX_GCC_TOOLCHAIN "${CMAKE_CXX_COMPILER_EXTERNAL_TOOLCHAIN}") +endif() + +if(LIBCXX_TARGET_TRIPLE) set(TARGET_TRIPLE "${LIBCXX_TARGET_TRIPLE}") endif() |
