# Copyright (c) 2014 Andrew Kelley # This file is MIT licensed. # See http://opensource.org/licenses/MIT # LLVM_FOUND # LLVM_INCLUDE_DIRS # LLVM_LIBRARIES # LLVM_LIBDIRS # LLVM_LINK_MODE if(ZIG_USE_LLVM_CONFIG) set(LLVM_CONFIG_ERROR_MESSAGES "") while(1) unset(LLVM_CONFIG_EXE CACHE) find_program(LLVM_CONFIG_EXE NAMES llvm-config-16 llvm-config-16.0 llvm-config160 llvm-config16 llvm-config NAMES_PER_DIR PATHS "/mingw64/bin" "/c/msys64/mingw64/bin" "c:/msys64/mingw64/bin" "C:/Libraries/llvm-16.0.0/bin") if ("${LLVM_CONFIG_EXE}" STREQUAL "LLVM_CONFIG_EXE-NOTFOUND") if (NOT LLVM_CONFIG_ERROR_MESSAGES STREQUAL "") list(JOIN LLVM_CONFIG_ERROR_MESSAGES "\n" LLVM_CONFIG_ERROR_MESSAGE) message(FATAL_ERROR ${LLVM_CONFIG_ERROR_MESSAGE}) else() message(FATAL_ERROR "unable to find llvm-config") endif() endif() # Check that this LLVM is the right version execute_process( COMMAND ${LLVM_CONFIG_EXE} --version OUTPUT_VARIABLE LLVM_CONFIG_VERSION OUTPUT_STRIP_TRAILING_WHITESPACE) get_filename_component(LLVM_CONFIG_DIR "${LLVM_CONFIG_EXE}" DIRECTORY) if("${LLVM_CONFIG_VERSION}" VERSION_LESS 16 OR "${LLVM_CONFIG_VERSION}" VERSION_EQUAL 17 OR "${LLVM_CONFIG_VERSION}" VERSION_GREATER 17) # Save the error message, in case this is the last llvm-config we find list(APPEND LLVM_CONFIG_ERROR_MESSAGES "expected LLVM 16.x but found ${LLVM_CONFIG_VERSION} using ${LLVM_CONFIG_EXE}") # Ignore this directory and try the search again list(APPEND CMAKE_IGNORE_PATH "${LLVM_CONFIG_DIR}") continue() endif() # Check that this LLVM supports linking as a shared/static library, if requested if (ZIG_SHARED_LLVM OR ZIG_STATIC_LLVM) if (ZIG_SHARED_LLVM) set(STATIC_OR_SHARED_LINK "--link-shared") elseif (ZIG_STATIC_LLVM) set(STATIC_OR_SHARED_LINK "--link-static") endif() execute_process( COMMAND ${LLVM_CONFIG_EXE} --libs ${STATIC_OR_SHARED_LINK} OUTPUT_QUIET ERROR_VARIABLE LLVM_CONFIG_ERROR ERROR_STRIP_TRAILING_WHITESPACE) if (LLVM_CONFIG_ERROR) # Save the error message, in case this is the last llvm-config we find if (ZIG_SHARED_LLVM) list(APPEND LLVM_CONFIG_ERROR_MESSAGES "LLVM 16.x found at ${LLVM_CONFIG_EXE} does not support linking as a shared library") else() list(APPEND LLVM_CONFIG_ERROR_MESSAGES "LLVM 16.x found at ${LLVM_CONFIG_EXE} does not support linking as a static library") endif() # Ignore this directory and try the search again list(APPEND CMAKE_IGNORE_PATH "${LLVM_CONFIG_DIR}") continue() endif() endif() execute_process( COMMAND ${LLVM_CONFIG_EXE} --targets-built OUTPUT_VARIABLE LLVM_TARGETS_BUILT_SPACES OUTPUT_STRIP_TRAILING_WHITESPACE) string(REPLACE " " ";" LLVM_TARGETS_BUILT "${LLVM_TARGETS_BUILT_SPACES}") set(ZIG_LLVM_REQUIRED_TARGETS "AArch64;AMDGPU;ARM;AVR;BPF;Hexagon;Lanai;Mips;MSP430;NVPTX;PowerPC;RISCV;Sparc;SystemZ;VE;WebAssembly;X86;XCore") set(ZIG_LLVM_REQUIRED_TARGETS_ENABLED TRUE) foreach(TARGET_NAME IN LISTS ZIG_LLVM_REQUIRED_TARGETS) list (FIND LLVM_TARGETS_BUILT "${TARGET_NAME}" _index) if (${_index} EQUAL -1) # Save the error message, in case this is the last llvm-config we find list(APPEND LLVM_CONFIG_ERROR_MESSAGES "LLVM (according to ${LLVM_CONFIG_EXE}) is missing target ${TARGET_NAME}. Zig requires LLVM to be built with all default targets enabled.") # Ignore this directory and try the search again list(APPEND CMAKE_IGNORE_PATH "${LLVM_CONFIG_DIR}") set(ZIG_LLVM_REQUIRED_TARGETS_ENABLED FALSE) break() endif() endforeach() if (NOT ZIG_LLVM_REQUIRED_TARGETS_ENABLED) continue() endif() # Got it! break() endwhile() if(ZIG_SHARED_LLVM OR ZIG_STATIC_LLVM) execute_process( COMMAND ${LLVM_CONFIG_EXE} --libfiles ${STATIC_OR_SHARED_LINK} OUTPUT_VARIABLE LLVM_LIBRARIES_SPACES OUTPUT_STRIP_TRAILING_WHITESPACE) string(REPLACE " " ";" LLVM_LIBRARIES "${LLVM_LIBRARIES_SPACES}") execute_process( COMMAND ${LLVM_CONFIG_EXE} --libdir ${STATIC_OR_SHARED_LINK} OUTPUT_VARIABLE LLVM_LIBDIRS_SPACES OUTPUT_STRIP_TRAILING_WHITESPACE) string(REPLACE " " ";" LLVM_LIBDIRS "${LLVM_LIBDIRS_SPACES}") execute_process( COMMAND ${LLVM_CONFIG_EXE} --system-libs ${STATIC_OR_SHARED_LINK} OUTPUT_VARIABLE LLVM_SYSTEM_LIBS_SPACES OUTPUT_STRIP_TRAILING_WHITESPACE) string(REPLACE " " ";" LLVM_SYSTEM_LIBS "${LLVM_SYSTEM_LIBS_SPACES}") execute_process( COMMAND ${LLVM_CONFIG_EXE} --shared-mode ${STATIC_OR_SHARED_LINK} OUTPUT_VARIABLE LLVM_LINK_MODE OUTPUT_STRIP_TRAILING_WHITESPACE) else() execute_process( COMMAND ${LLVM_CONFIG_EXE} --libs OUTPUT_VARIABLE LLVM_LIBRARIES_SPACES OUTPUT_STRIP_TRAILING_WHITESPACE) string(REPLACE " " ";" LLVM_LIBRARIES "${LLVM_LIBRARIES_SPACES}") execute_process( COMMAND ${LLVM_CONFIG_EXE} --libdir OUTPUT_VARIABLE LLVM_LIBDIRS_SPACES OUTPUT_STRIP_TRAILING_WHITESPACE) string(REPLACE " " ";" LLVM_LIBDIRS "${LLVM_LIBDIRS_SPACES}") execute_process( COMMAND ${LLVM_CONFIG_EXE} --system-libs OUTPUT_VARIABLE LLVM_SYSTEM_LIBS_SPACES OUTPUT_STRIP_TRAILING_WHITESPACE) string(REPLACE " " ";" LLVM_SYSTEM_LIBS "${LLVM_SYSTEM_LIBS_SPACES}") execute_process( COMMAND ${LLVM_CONFIG_EXE} --shared-mode OUTPUT_VARIABLE LLVM_LINK_MODE OUTPUT_STRIP_TRAILING_WHITESPACE) endif() if (${LLVM_LINK_MODE} STREQUAL "shared") # We always ask for the system libs corresponding to static linking, # since on some distros LLD is only available as a static library # and we need these libraries to link it successfully execute_process( COMMAND ${LLVM_CONFIG_EXE} --system-libs --link-static OUTPUT_VARIABLE LLVM_STATIC_SYSTEM_LIBS_SPACES ERROR_QUIET # Some installations have no static libs, we just ignore the failure OUTPUT_STRIP_TRAILING_WHITESPACE) string(REPLACE " " ";" LLVM_STATIC_SYSTEM_LIBS "${LLVM_STATIC_SYSTEM_LIBS_SPACES}") set(LLVM_LIBRARIES ${LLVM_LIBRARIES} ${LLVM_SYSTEM_LIBS} ${LLVM_STATIC_SYSTEM_LIBS}) else() set(LLVM_LIBRARIES ${LLVM_LIBRARIES} ${LLVM_SYSTEM_LIBS}) endif() execute_process( COMMAND ${LLVM_CONFIG_EXE} --includedir OUTPUT_VARIABLE LLVM_INCLUDE_DIRS_SPACES OUTPUT_STRIP_TRAILING_WHITESPACE) string(REPLACE " " ";" LLVM_INCLUDE_DIRS "${LLVM_INCLUDE_DIRS_SPACES}") link_directories("${CMAKE_PREFIX_PATH}/lib") link_directories("${LLVM_LIBDIRS}") else() # Here we assume that we're cross compiling with Zig, of course. No reason # to support more complicated setups. macro(FIND_AND_ADD_LLVM_LIB _libname_) string(TOUPPER ${_libname_} _prettylibname_) find_library(LLVM_${_prettylibname_}_LIB NAMES ${_libname_} NAMES_PER_DIR) set(LLVM_LIBRARIES ${LLVM_LIBRARIES} ${LLVM_${_prettylibname_}_LIB}) endmacro(FIND_AND_ADD_LLVM_LIB) set(LLVM_LINK_MODE "static") # This list can be re-generated with `llvm-config --libfiles` and then # reformatting using your favorite text editor. Note we do not execute # `llvm-config` here because we are cross compiling. FIND_AND_ADD_LLVM_LIB(LLVMWindowsManifest) FIND_AND_ADD_LLVM_LIB(LLVMWindowsDriver) FIND_AND_ADD_LLVM_LIB(LLVMXRay) FIND_AND_ADD_LLVM_LIB(LLVMLibDriver) FIND_AND_ADD_LLVM_LIB(LLVMDlltoolDriver) FIND_AND_ADD_LLVM_LIB(LLVMCoverage) FIND_AND_ADD_LLVM_LIB(LLVMLineEditor) FIND_AND_ADD_LLVM_LIB(LLVMXCoreDisassembler) FIND_AND_ADD_LLVM_LIB(LLVMXCoreCodeGen) FIND_AND_ADD_LLVM_LIB(LLVMXCoreDesc) FIND_AND_ADD_LLVM_LIB(LLVMXCoreInfo) FIND_AND_ADD_LLVM_LIB(LLVMX86TargetMCA) FIND_AND_ADD_LLVM_LIB(LLVMX86Disassembler) FIND_AND_ADD_LLVM_LIB(LLVMX86AsmParser) FIND_AND_ADD_LLVM_LIB(LLVMX86CodeGen) FIND_AND_ADD_LLVM_LIB(LLVMX86Desc) FIND_AND_ADD_LLVM_LIB(LLVMX86Info) FIND_AND_ADD_LLVM_LIB(LLVMWebAssemblyDisassembler) FIND_AND_ADD_LLVM_LIB(LLVMWebAssemblyAsmParser) FIND_AND_ADD_LLVM_LIB(LLVMWebAssemblyCodeGen) FIND_AND_ADD_LLVM_LIB(LLVMWebAssemblyDesc) FIND_AND_ADD_LLVM_LIB(LLVMWebAssemblyUtils) FIND_AND_ADD_LLVM_LIB(LLVMWebAssemblyInfo) FIND_AND_ADD_LLVM_LIB(LLVMVEDisassembler) FIND_AND_ADD_LLVM_LIB(LLVMVEAsmParser) FIND_AND_ADD_LLVM_LIB(LLVMVECodeGen) FIND_AND_ADD_LLVM_LIB(LLVMVEDesc) FIND_AND_ADD_LLVM_LIB(LLVMVEInfo) FIND_AND_ADD_LLVM_LIB(LLVMSystemZDisassembler) FIND_AND_ADD_LLVM_LIB(LLVMSystemZAsmParser) FIND_AND_ADD_LLVM_LIB(LLVMSystemZCodeGen) FIND_AND_ADD_LLVM_LIB(LLVMSystemZDesc) FIND_AND_ADD_LLVM_LIB(LLVMSystemZInfo) FIND_AND_ADD_LLVM_LIB(LLVMSparcDisassembler) FIND_AND_ADD_LLVM_LIB(LLVMSparcAsmParser) FIND_AND_ADD_LLVM_LIB(LLVMSparcCodeGen) FIND_AND_ADD_LLVM_LIB(LLVMSparcDesc) FIND_AND_ADD_LLVM_LIB(LLVMSparcInfo) FIND_AND_ADD_LLVM_LIB(LLVMRISCVDisassembler) FIND_AND_ADD_LLVM_LIB(LLVMRISCVAsmParser) FIND_AND_ADD_LLVM_LIB(LLVMRISCVCodeGen) FIND_AND_ADD_LLVM_LIB(LLVMRISCVDesc) FIND_AND_ADD_LLVM_LIB(LLVMRISCVInfo) FIND_AND_ADD_LLVM_LIB(LLVMPowerPCDisassembler) FIND_AND_ADD_LLVM_LIB(LLVMPowerPCAsmParser) FIND_AND_ADD_LLVM_LIB(LLVMPowerPCCodeGen) FIND_AND_ADD_LLVM_LIB(LLVMPowerPCDesc) FIND_AND_ADD_LLVM_LIB(LLVMPowerPCInfo) FIND_AND_ADD_LLVM_LIB(LLVMNVPTXCodeGen) FIND_AND_ADD_LLVM_LIB(LLVMNVPTXDesc) FIND_AND_ADD_LLVM_LIB(LLVMNVPTXInfo) FIND_AND_ADD_LLVM_LIB(LLVMMSP430Disassembler) FIND_AND_ADD_LLVM_LIB(LLVMMSP430AsmParser) FIND_AND_ADD_LLVM_LIB(LLVMMSP430CodeGen) FIND_AND_ADD_LLVM_LIB(LLVMMSP430Desc) FIND_AND_ADD_LLVM_LIB(LLVMMSP430Info) FIND_AND_ADD_LLVM_LIB(LLVMMipsDisassembler) FIND_AND_ADD_LLVM_LIB(LLVMMipsAsmParser) FIND_AND_ADD_LLVM_LIB(LLVMMipsCodeGen) FIND_AND_ADD_LLVM_LIB(LLVMMipsDesc) FIND_AND_ADD_LLVM_LIB(LLVMMipsInfo) FIND_AND_ADD_LLVM_LIB(LLVMLanaiDisassembler) FIND_AND_ADD_LLVM_LIB(LLVMLanaiCodeGen) FIND_AND_ADD_LLVM_LIB(LLVMLanaiAsmParser) FIND_AND_ADD_LLVM_LIB(LLVMLanaiDesc) FIND_AND_ADD_LLVM_LIB(LLVMLanaiInfo) FIND_AND_ADD_LLVM_LIB(LLVMHexagonDisassembler) FIND_AND_ADD_LLVM_LIB(LLVMHexagonCodeGen) FIND_AND_ADD_LLVM_LIB(LLVMHexagonAsmParser) FIND_AND_ADD_LLVM_LIB(LLVMHexagonDesc) FIND_AND_ADD_LLVM_LIB(LLVMHexagonInfo) FIND_AND_ADD_LLVM_LIB(LLVMBPFDisassembler) FIND_AND_ADD_LLVM_LIB(LLVMBPFAsmParser) FIND_AND_ADD_LLVM_LIB(LLVMBPFCodeGen) FIND_AND_ADD_LLVM_LIB(LLVMBPFDesc) FIND_AND_ADD_LLVM_LIB(LLVMBPFInfo) FIND_AND_ADD_LLVM_LIB(LLVMAVRDisassembler) FIND_AND_ADD_LLVM_LIB(LLVMAVRAsmParser) FIND_AND_ADD_LLVM_LIB(LLVMAVRCodeGen) FIND_AND_ADD_LLVM_LIB(LLVMAVRDesc) FIND_AND_ADD_LLVM_LIB(LLVMAVRInfo) FIND_AND_ADD_LLVM_LIB(LLVMARMDisassembler) FIND_AND_ADD_LLVM_LIB(LLVMARMAsmParser) FIND_AND_ADD_LLVM_LIB(LLVMARMCodeGen) FIND_AND_ADD_LLVM_LIB(LLVMARMDesc) FIND_AND_ADD_LLVM_LIB(LLVMARMUtils) FIND_AND_ADD_LLVM_LIB(LLVMARMInfo) FIND_AND_ADD_LLVM_LIB(LLVMAMDGPUTargetMCA) FIND_AND_ADD_LLVM_LIB(LLVMAMDGPUDisassembler) FIND_AND_ADD_LLVM_LIB(LLVMAMDGPUAsmParser) FIND_AND_ADD_LLVM_LIB(LLVMAMDGPUCodeGen) FIND_AND_ADD_LLVM_LIB(LLVMAMDGPUDesc) FIND_AND_ADD_LLVM_LIB(LLVMAMDGPUUtils) FIND_AND_ADD_LLVM_LIB(LLVMAMDGPUInfo) FIND_AND_ADD_LLVM_LIB(LLVMAArch64Disassembler) FIND_AND_ADD_LLVM_LIB(LLVMAArch64AsmParser) FIND_AND_ADD_LLVM_LIB(LLVMAArch64CodeGen) FIND_AND_ADD_LLVM_LIB(LLVMAArch64Desc) FIND_AND_ADD_LLVM_LIB(LLVMAArch64Utils) FIND_AND_ADD_LLVM_LIB(LLVMAArch64Info) FIND_AND_ADD_LLVM_LIB(LLVMOrcJIT) FIND_AND_ADD_LLVM_LIB(LLVMMCJIT) FIND_AND_ADD_LLVM_LIB(LLVMJITLink) FIND_AND_ADD_LLVM_LIB(LLVMInterpreter) FIND_AND_ADD_LLVM_LIB(LLVMExecutionEngine) FIND_AND_ADD_LLVM_LIB(LLVMRuntimeDyld) FIND_AND_ADD_LLVM_LIB(LLVMOrcTargetProcess) FIND_AND_ADD_LLVM_LIB(LLVMOrcShared) FIND_AND_ADD_LLVM_LIB(LLVMDWP) FIND_AND_ADD_LLVM_LIB(LLVMDebugInfoGSYM) FIND_AND_ADD_LLVM_LIB(LLVMOption) FIND_AND_ADD_LLVM_LIB(LLVMObjectYAML) FIND_AND_ADD_LLVM_LIB(LLVMObjCopy) FIND_AND_ADD_LLVM_LIB(LLVMMCA) FIND_AND_ADD_LLVM_LIB(LLVMMCDisassembler) FIND_AND_ADD_LLVM_LIB(LLVMLTO) FIND_AND_ADD_LLVM_LIB(LLVMPasses) FIND_AND_ADD_LLVM_LIB(LLVMCFGuard) FIND_AND_ADD_LLVM_LIB(LLVMCoroutines) FIND_AND_ADD_LLVM_LIB(LLVMObjCARCOpts) FIND_AND_ADD_LLVM_LIB(LLVMipo) FIND_AND_ADD_LLVM_LIB(LLVMVectorize) FIND_AND_ADD_LLVM_LIB(LLVMLinker) FIND_AND_ADD_LLVM_LIB(LLVMInstrumentation) FIND_AND_ADD_LLVM_LIB(LLVMFrontendOpenMP) FIND_AND_ADD_LLVM_LIB(LLVMFrontendOpenACC) FIND_AND_ADD_LLVM_LIB(LLVMExtensions) FIND_AND_ADD_LLVM_LIB(LLVMDWARFLinker) FIND_AND_ADD_LLVM_LIB(LLVMGlobalISel) FIND_AND_ADD_LLVM_LIB(LLVMMIRParser) FIND_AND_ADD_LLVM_LIB(LLVMAsmPrinter) FIND_AND_ADD_LLVM_LIB(LLVMSelectionDAG) FIND_AND_ADD_LLVM_LIB(LLVMCodeGen) FIND_AND_ADD_LLVM_LIB(LLVMIRReader) FIND_AND_ADD_LLVM_LIB(LLVMAsmParser) FIND_AND_ADD_LLVM_LIB(LLVMInterfaceStub) FIND_AND_ADD_LLVM_LIB(LLVMFileCheck) FIND_AND_ADD_LLVM_LIB(LLVMFuzzMutate) FIND_AND_ADD_LLVM_LIB(LLVMTarget) FIND_AND_ADD_LLVM_LIB(LLVMScalarOpts) FIND_AND_ADD_LLVM_LIB(LLVMInstCombine) FIND_AND_ADD_LLVM_LIB(LLVMAggressiveInstCombine) FIND_AND_ADD_LLVM_LIB(LLVMTransformUtils) FIND_AND_ADD_LLVM_LIB(LLVMBitWriter) FIND_AND_ADD_LLVM_LIB(LLVMAnalysis) FIND_AND_ADD_LLVM_LIB(LLVMProfileData) FIND_AND_ADD_LLVM_LIB(LLVMSymbolize) FIND_AND_ADD_LLVM_LIB(LLVMDebugInfoPDB) FIND_AND_ADD_LLVM_LIB(LLVMDebugInfoMSF) FIND_AND_ADD_LLVM_LIB(LLVMDebugInfoDWARF) FIND_AND_ADD_LLVM_LIB(LLVMObject) FIND_AND_ADD_LLVM_LIB(LLVMTextAPI) FIND_AND_ADD_LLVM_LIB(LLVMMCParser) FIND_AND_ADD_LLVM_LIB(LLVMMC) FIND_AND_ADD_LLVM_LIB(LLVMDebugInfoCodeView) FIND_AND_ADD_LLVM_LIB(LLVMBitReader) FIND_AND_ADD_LLVM_LIB(LLVMFuzzerCLI) FIND_AND_ADD_LLVM_LIB(LLVMCore) FIND_AND_ADD_LLVM_LIB(LLVMRemarks) FIND_AND_ADD_LLVM_LIB(LLVMBitstreamReader) FIND_AND_ADD_LLVM_LIB(LLVMBinaryFormat) FIND_AND_ADD_LLVM_LIB(LLVMSupport) FIND_AND_ADD_LLVM_LIB(LLVMDemangle) get_filename_component(LLVM_LIBDIRS "${LLVM_LLVMCORE_LIB}" DIRECTORY) find_path(LLVM_INCLUDE_DIRS NAMES llvm/IR/IRBuilder.h) endif() include(FindPackageHandleStandardArgs) find_package_handle_standard_args(llvm DEFAULT_MSG LLVM_LIBRARIES LLVM_INCLUDE_DIRS) mark_as_advanced(LLVM_INCLUDE_DIRS LLVM_LIBRARIES LLVM_LIBDIRS)