Index: CMakeLists.txt =================================================================== --- CMakeLists.txt +++ CMakeLists.txt @@ -6,50 +6,42 @@ set(CMAKE_INCLUDE_CURRENT_DIR ON) set(LLD_BUILT_STANDALONE TRUE) - find_program(LLVM_CONFIG_PATH "llvm-config" DOC "Path to llvm-config binary") - if(NOT LLVM_CONFIG_PATH) - message(FATAL_ERROR "llvm-config not found: specify LLVM_CONFIG_PATH") - endif() - - execute_process(COMMAND "${LLVM_CONFIG_PATH}" - "--obj-root" - "--includedir" - "--cmakedir" - "--src-root" - RESULT_VARIABLE HAD_ERROR - OUTPUT_VARIABLE LLVM_CONFIG_OUTPUT - OUTPUT_STRIP_TRAILING_WHITESPACE) - if(HAD_ERROR) - message(FATAL_ERROR "llvm-config failed with status ${HAD_ERROR}") - endif() - - string(REGEX REPLACE "[ \t]*[\r\n]+[ \t]*" ";" LLVM_CONFIG_OUTPUT "${LLVM_CONFIG_OUTPUT}") - - list(GET LLVM_CONFIG_OUTPUT 0 OBJ_ROOT) - list(GET LLVM_CONFIG_OUTPUT 1 MAIN_INCLUDE_DIR) - list(GET LLVM_CONFIG_OUTPUT 2 LLVM_CMAKE_PATH) - list(GET LLVM_CONFIG_OUTPUT 3 MAIN_SRC_DIR) - - set(LLVM_OBJ_ROOT ${OBJ_ROOT} CACHE PATH "path to LLVM build tree") - set(LLVM_MAIN_INCLUDE_DIR ${MAIN_INCLUDE_DIR} CACHE PATH "path to llvm/include") - set(LLVM_MAIN_SRC_DIR ${MAIN_SRC_DIR} CACHE PATH "Path to LLVM source tree") - - file(TO_CMAKE_PATH ${LLVM_OBJ_ROOT} LLVM_BINARY_DIR) - - if(NOT EXISTS "${LLVM_CMAKE_PATH}/LLVMConfig.cmake") - message(FATAL_ERROR "LLVMConfig.cmake not found") - endif() - include("${LLVM_CMAKE_PATH}/LLVMConfig.cmake") - + find_package(LLVM REQUIRED CONFIG NO_CMAKE_FIND_ROOT_PATH) list(APPEND CMAKE_MODULE_PATH "${LLVM_CMAKE_PATH}") + set(LLVM_MAIN_SRC_DIR ${LLVM_BUILD_MAIN_SRC_DIR} CACHE PATH "Path to LLVM source tree") set(PACKAGE_VERSION "${LLVM_PACKAGE_VERSION}") - include_directories("${LLVM_BINARY_DIR}/include" ${LLVM_INCLUDE_DIRS}) + include_directories(${LLVM_INCLUDE_DIRS}) link_directories(${LLVM_LIBRARY_DIRS}) set(LLVM_LIBRARY_OUTPUT_INTDIR ${CMAKE_BINARY_DIR}/${CMAKE_CFG_INTDIR}/lib${LLVM_LIBDIR_SUFFIX}) set(LLVM_RUNTIME_OUTPUT_INTDIR ${CMAKE_BINARY_DIR}/${CMAKE_CFG_INTDIR}/bin) - find_program(LLVM_TABLEGEN_EXE "llvm-tblgen" ${LLVM_TOOLS_BINARY_DIR} NO_DEFAULT_PATH) + + if(CMAKE_CROSSCOMPILING) + set(LLVM_NATIVE_BUILD "${LLVM_BINARY_DIR}/NATIVE") + if(NOT EXISTS "${LLVM_NATIVE_BUILD}") + message(FATAL_ERROR + "Attempting to cross-compiling lld standalone but no native LLVM build + found. Please cross-compile LLVM as well.") + endif() + + if(CMAKE_HOST_SYSTEM_NAME MATCHES Windows) + set(HOST_EXECUTABLE_SUFFIX ".exe") + endif() + + if(NOT CMAKE_CONFIGURATION_TYPES) + find_program(LLVM_TABLEGEN_EXE + "${LLVM_NATIVE_BUILD_DIR}/bin/llvm-tblgen${HOST_EXECUTABLE_SUFFIX}") + else() + # NOTE: LLVM NATIVE build is always built Release, as is specified in + # CrossCompile.cmake + find_program(LLVM_TABLEGEN_EXE + "${LLVM_NATIVE_BUILD_DIR}/Release/bin/llvm-tblgen${HOST_EXECUTABLE_SUFFIX}") + endif() + else() + find_program(LLVM_TABLEGEN_EXE "llvm-tblgen" ${LLVM_TOOLS_BINARY_DIR} + NO_DEFAULT_PATH) + endif() include(AddLLVM) include(TableGen)