if( WIN32 AND NOT CYGWIN ) # We consider Cygwin as another Unix set(PURE_WINDOWS 1) endif() include(CheckIncludeFile) include(CheckLibraryExists) include(CheckSymbolExists) include(CheckCXXSymbolExists) include(CheckFunctionExists) include(CheckStructHasMember) include(CheckCCompilerFlag) include(CMakePushCheckState) include(CheckCompilerVersion) include(CheckProblematicConfigurations) include(HandleLLVMStdlib) if( UNIX AND NOT (APPLE OR BEOS OR HAIKU) ) # Used by check_symbol_exists: list(APPEND CMAKE_REQUIRED_LIBRARIES "m") endif() # x86_64 FreeBSD 9.2 requires libcxxrt to be specified explicitly. if( CMAKE_SYSTEM MATCHES "FreeBSD-9.2-RELEASE" AND CMAKE_SIZEOF_VOID_P EQUAL 8 ) list(APPEND CMAKE_REQUIRED_LIBRARIES "cxxrt") endif() # Do checks with _XOPEN_SOURCE and large-file API on AIX, because we will build # with those too. if (UNIX AND ${CMAKE_SYSTEM_NAME} MATCHES "AIX") list(APPEND CMAKE_REQUIRED_DEFINITIONS "-D_XOPEN_SOURCE=700") list(APPEND CMAKE_REQUIRED_DEFINITIONS "-D_LARGE_FILE_API") endif() # Do checks with _FILE_OFFSET_BITS=64 on Solaris, because we will build # with those too. if (UNIX AND ${CMAKE_SYSTEM_NAME} MATCHES "SunOS") list(APPEND CMAKE_REQUIRED_DEFINITIONS "-D_FILE_OFFSET_BITS=64") endif() # include checks check_include_file(dlfcn.h HAVE_DLFCN_H) check_include_file(errno.h HAVE_ERRNO_H) check_include_file(fcntl.h HAVE_FCNTL_H) check_include_file(link.h HAVE_LINK_H) check_include_file(malloc/malloc.h HAVE_MALLOC_MALLOC_H) if( NOT PURE_WINDOWS ) check_include_file(pthread.h HAVE_PTHREAD_H) endif() check_include_file(signal.h HAVE_SIGNAL_H) check_include_file(sys/ioctl.h HAVE_SYS_IOCTL_H) check_include_file(sys/mman.h HAVE_SYS_MMAN_H) check_include_file(sys/param.h HAVE_SYS_PARAM_H) check_include_file(sys/resource.h HAVE_SYS_RESOURCE_H) check_include_file(sys/stat.h HAVE_SYS_STAT_H) check_include_file(sys/time.h HAVE_SYS_TIME_H) check_include_file(sys/types.h HAVE_SYS_TYPES_H) check_include_file(sysexits.h HAVE_SYSEXITS_H) check_include_file(termios.h HAVE_TERMIOS_H) check_include_file(unistd.h HAVE_UNISTD_H) check_include_file(valgrind/valgrind.h HAVE_VALGRIND_VALGRIND_H) check_include_file(fenv.h HAVE_FENV_H) check_symbol_exists(FE_ALL_EXCEPT "fenv.h" HAVE_DECL_FE_ALL_EXCEPT) check_symbol_exists(FE_INEXACT "fenv.h" HAVE_DECL_FE_INEXACT) check_include_file(mach/mach.h HAVE_MACH_MACH_H) check_include_file(CrashReporterClient.h HAVE_CRASHREPORTERCLIENT_H) if(APPLE) include(CheckCSourceCompiles) CHECK_C_SOURCE_COMPILES(" static const char *__crashreporter_info__ = 0; asm(\".desc ___crashreporter_info__, 0x10\"); int main(void) { return 0; }" HAVE_CRASHREPORTER_INFO) endif() if(${CMAKE_SYSTEM_NAME} STREQUAL "Linux") check_include_file(linux/magic.h HAVE_LINUX_MAGIC_H) if(NOT HAVE_LINUX_MAGIC_H) # older kernels use split files check_include_file(linux/nfs_fs.h HAVE_LINUX_NFS_FS_H) check_include_file(linux/smb.h HAVE_LINUX_SMB_H) endif() endif() # library checks if( NOT PURE_WINDOWS ) check_library_exists(pthread pthread_create "" HAVE_LIBPTHREAD) if (HAVE_LIBPTHREAD) check_library_exists(pthread pthread_rwlock_init "" HAVE_PTHREAD_RWLOCK_INIT) check_library_exists(pthread pthread_mutex_lock "" HAVE_PTHREAD_MUTEX_LOCK) else() # this could be Android check_library_exists(c pthread_create "" PTHREAD_IN_LIBC) if (PTHREAD_IN_LIBC) check_library_exists(c pthread_rwlock_init "" HAVE_PTHREAD_RWLOCK_INIT) check_library_exists(c pthread_mutex_lock "" HAVE_PTHREAD_MUTEX_LOCK) endif() endif() check_library_exists(dl dlopen "" HAVE_LIBDL) check_library_exists(rt clock_gettime "" HAVE_LIBRT) endif() # Check for libpfm. include(FindLibpfm) if(HAVE_LIBPTHREAD) # We want to find pthreads library and at the moment we do want to # have it reported as '-l<lib>' instead of '-pthread'. # TODO: switch to -pthread once the rest of the build system can deal with it. set(CMAKE_THREAD_PREFER_PTHREAD TRUE) set(THREADS_HAVE_PTHREAD_ARG Off) find_package(Threads REQUIRED) set(LLVM_PTHREAD_LIB ${CMAKE_THREAD_LIBS_INIT}) endif() if(LLVM_ENABLE_ZLIB) if(LLVM_ENABLE_ZLIB STREQUAL FORCE_ON) find_package(ZLIB REQUIRED) elseif(NOT LLVM_USE_SANITIZER MATCHES "Memory.*") find_package(ZLIB) endif() if(ZLIB_FOUND) # Check if zlib we found is usable; for example, we may have found a 32-bit # library on a 64-bit system which would result in a link-time failure. cmake_push_check_state() list(APPEND CMAKE_REQUIRED_INCLUDES ${ZLIB_INCLUDE_DIRS}) list(APPEND CMAKE_REQUIRED_LIBRARIES ${ZLIB_LIBRARY}) check_symbol_exists(compress2 zlib.h HAVE_ZLIB) cmake_pop_check_state() if(LLVM_ENABLE_ZLIB STREQUAL FORCE_ON AND NOT HAVE_ZLIB) message(FATAL_ERROR "Failed to configure zlib") endif() endif() set(LLVM_ENABLE_ZLIB "${HAVE_ZLIB}") else() set(LLVM_ENABLE_ZLIB 0) endif() set(zstd_FOUND 0) if(LLVM_ENABLE_ZSTD) if(LLVM_ENABLE_ZSTD STREQUAL FORCE_ON) find_package(zstd REQUIRED) if(NOT zstd_FOUND) message(FATAL_ERROR "Failed to configure zstd, but LLVM_ENABLE_ZSTD is FORCE_ON") endif() elseif(NOT LLVM_USE_SANITIZER MATCHES "Memory.*") find_package(zstd QUIET) endif() endif() set(LLVM_ENABLE_ZSTD ${zstd_FOUND}) if(LLVM_ENABLE_LIBXML2) if(LLVM_ENABLE_LIBXML2 STREQUAL FORCE_ON) find_package(LibXml2 REQUIRED) elseif(NOT LLVM_USE_SANITIZER MATCHES "Memory.*") find_package(LibXml2) endif() if(LibXml2_FOUND) # Check if libxml2 we found is usable; for example, we may have found a 32-bit # library on a 64-bit system which would result in a link-time failure. cmake_push_check_state() list(APPEND CMAKE_REQUIRED_INCLUDES ${LIBXML2_INCLUDE_DIRS}) list(APPEND CMAKE_REQUIRED_LIBRARIES ${LIBXML2_LIBRARIES}) list(APPEND CMAKE_REQUIRED_DEFINITIONS ${LIBXML2_DEFINITIONS}) check_symbol_exists(xmlReadMemory libxml/xmlreader.h HAVE_LIBXML2) cmake_pop_check_state() if(LLVM_ENABLE_LIBXML2 STREQUAL FORCE_ON AND NOT HAVE_LIBXML2) message(FATAL_ERROR "Failed to configure libxml2") endif() endif() set(LLVM_ENABLE_LIBXML2 "${HAVE_LIBXML2}") endif() if(LLVM_ENABLE_CURL) if(LLVM_ENABLE_CURL STREQUAL FORCE_ON) find_package(CURL REQUIRED) else() find_package(CURL) endif() if(CURL_FOUND) # Check if curl we found is usable; for example, we may have found a 32-bit # library on a 64-bit system which would result in a link-time failure. cmake_push_check_state() list(APPEND CMAKE_REQUIRED_LIBRARIES CURL::libcurl) check_symbol_exists(curl_easy_init curl/curl.h HAVE_CURL) cmake_pop_check_state() if(LLVM_ENABLE_CURL STREQUAL FORCE_ON AND NOT HAVE_CURL) message(FATAL_ERROR "Failed to configure curl") endif() endif() set(LLVM_ENABLE_CURL "${HAVE_CURL}") endif() if(LLVM_ENABLE_HTTPLIB) if(LLVM_ENABLE_HTTPLIB STREQUAL FORCE_ON) find_package(httplib REQUIRED) else() find_package(httplib) endif() if(HTTPLIB_FOUND) # Check if the "httplib" we found is usable; for example there may be another # library with the same name. cmake_push_check_state() list(APPEND CMAKE_REQUIRED_LIBRARIES ${HTTPLIB_LIBRARY}) check_cxx_symbol_exists(CPPHTTPLIB_HTTPLIB_H ${HTTPLIB_HEADER_PATH} HAVE_HTTPLIB) cmake_pop_check_state() if(LLVM_ENABLE_HTTPLIB STREQUAL FORCE_ON AND NOT HAVE_HTTPLIB) message(FATAL_ERROR "Failed to configure cpp-httplib") endif() endif() set(LLVM_ENABLE_HTTPLIB "${HAVE_HTTPLIB}") endif() # Don't look for these libraries if we're using MSan, since uninstrumented third # party code may call MSan interceptors like strlen, leading to false positives. if(NOT LLVM_USE_SANITIZER MATCHES "Memory.*") # Don't look for these libraries on Windows. if (NOT PURE_WINDOWS) # Skip libedit if using ASan as it contains memory leaks. if (LLVM_ENABLE_LIBEDIT AND NOT LLVM_USE_SANITIZER MATCHES ".*Address.*") find_package(LibEdit) set(HAVE_LIBEDIT ${LibEdit_FOUND}) else() set(HAVE_LIBEDIT 0) endif() if(LLVM_ENABLE_TERMINFO) if(LLVM_ENABLE_TERMINFO STREQUAL FORCE_ON) find_package(Terminfo REQUIRED) else() find_package(Terminfo) endif() set(LLVM_ENABLE_TERMINFO "${Terminfo_FOUND}") endif() else() set(LLVM_ENABLE_TERMINFO 0) endif() else() set(LLVM_ENABLE_TERMINFO 0) endif() check_library_exists(xar xar_open "" LLVM_HAVE_LIBXAR) if(LLVM_HAVE_LIBXAR) message(STATUS "The xar file format has been deprecated: LLVM_HAVE_LIBXAR might be removed in the future.") # The xar file format has been deprecated since macOS 12.0. if (CMAKE_OSX_DEPLOYMENT_TARGET VERSION_GREATER_EQUAL 12) set(LLVM_HAVE_LIBXAR 0) else() set(XAR_LIB xar) endif() endif() # function checks check_symbol_exists(arc4random "stdlib.h" HAVE_DECL_ARC4RANDOM) find_package(Backtrace) set(HAVE_BACKTRACE ${Backtrace_FOUND}) set(BACKTRACE_HEADER ${Backtrace_HEADER}) # Prevent check_symbol_exists from using API that is not supported for a given # deployment target. check_c_compiler_flag("-Werror=unguarded-availability-new" "C_SUPPORTS_WERROR_UNGUARDED_AVAILABILITY_NEW") if(C_SUPPORTS_WERROR_UNGUARDED_AVAILABILITY_NEW) set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -Werror=unguarded-availability-new") endif() # Determine whether we can register EH tables. check_symbol_exists(__register_frame "${CMAKE_CURRENT_LIST_DIR}/unwind.h" HAVE_REGISTER_FRAME) check_symbol_exists(__deregister_frame "${CMAKE_CURRENT_LIST_DIR}/unwind.h" HAVE_DEREGISTER_FRAME) check_symbol_exists(__unw_add_dynamic_fde "${CMAKE_CURRENT_LIST_DIR}/unwind.h" HAVE_UNW_ADD_DYNAMIC_FDE) check_symbol_exists(_Unwind_Backtrace "unwind.h" HAVE__UNWIND_BACKTRACE) check_symbol_exists(getpagesize unistd.h HAVE_GETPAGESIZE) check_symbol_exists(sysconf unistd.h HAVE_SYSCONF) check_symbol_exists(getrusage sys/resource.h HAVE_GETRUSAGE) check_symbol_exists(setrlimit sys/resource.h HAVE_SETRLIMIT) check_symbol_exists(isatty unistd.h HAVE_ISATTY) check_symbol_exists(futimens sys/stat.h HAVE_FUTIMENS) check_symbol_exists(futimes sys/time.h HAVE_FUTIMES) # AddressSanitizer conflicts with lib/Support/Unix/Signals.inc # Avoid sigaltstack on Apple platforms, where backtrace() cannot handle it # (rdar://7089625) and _Unwind_Backtrace is unusable because it cannot unwind # past the signal handler after an assertion failure (rdar://29866587). if( HAVE_SIGNAL_H AND NOT LLVM_USE_SANITIZER MATCHES ".*Address.*" AND NOT APPLE ) check_symbol_exists(sigaltstack signal.h HAVE_SIGALTSTACK) endif() set(CMAKE_REQUIRED_DEFINITIONS "-D_LARGEFILE64_SOURCE") check_symbol_exists(lseek64 "sys/types.h;unistd.h" HAVE_LSEEK64) set(CMAKE_REQUIRED_DEFINITIONS "") check_symbol_exists(mallctl malloc_np.h HAVE_MALLCTL) check_symbol_exists(mallinfo malloc.h HAVE_MALLINFO) check_symbol_exists(mallinfo2 malloc.h HAVE_MALLINFO2) check_symbol_exists(malloc_zone_statistics malloc/malloc.h HAVE_MALLOC_ZONE_STATISTICS) check_symbol_exists(getrlimit "sys/types.h;sys/time.h;sys/resource.h" HAVE_GETRLIMIT) check_symbol_exists(posix_spawn spawn.h HAVE_POSIX_SPAWN) check_symbol_exists(pread unistd.h HAVE_PREAD) check_symbol_exists(sbrk unistd.h HAVE_SBRK) check_symbol_exists(strerror string.h HAVE_STRERROR) check_symbol_exists(strerror_r string.h HAVE_STRERROR_R) check_symbol_exists(strerror_s string.h HAVE_DECL_STRERROR_S) check_symbol_exists(setenv stdlib.h HAVE_SETENV) if( PURE_WINDOWS ) check_symbol_exists(_chsize_s io.h HAVE__CHSIZE_S) check_function_exists(_alloca HAVE__ALLOCA) check_function_exists(__alloca HAVE___ALLOCA) check_function_exists(__chkstk HAVE___CHKSTK) check_function_exists(__chkstk_ms HAVE___CHKSTK_MS) check_function_exists(___chkstk HAVE____CHKSTK) check_function_exists(___chkstk_ms HAVE____CHKSTK_MS) check_function_exists(__ashldi3 HAVE___ASHLDI3) check_function_exists(__ashrdi3 HAVE___ASHRDI3) check_function_exists(__divdi3 HAVE___DIVDI3) check_function_exists(__fixdfdi HAVE___FIXDFDI) check_function_exists(__fixsfdi HAVE___FIXSFDI) check_function_exists(__floatdidf HAVE___FLOATDIDF) check_function_exists(__lshrdi3 HAVE___LSHRDI3) check_function_exists(__moddi3 HAVE___MODDI3) check_function_exists(__udivdi3 HAVE___UDIVDI3) check_function_exists(__umoddi3 HAVE___UMODDI3) check_function_exists(__main HAVE___MAIN) check_function_exists(__cmpdi2 HAVE___CMPDI2) endif() if( HAVE_DLFCN_H ) if( HAVE_LIBDL ) list(APPEND CMAKE_REQUIRED_LIBRARIES dl) endif() check_symbol_exists(dlopen dlfcn.h HAVE_DLOPEN) check_symbol_exists(dladdr dlfcn.h HAVE_DLADDR) if( HAVE_LIBDL ) list(REMOVE_ITEM CMAKE_REQUIRED_LIBRARIES dl) endif() endif() CHECK_STRUCT_HAS_MEMBER("struct stat" st_mtimespec.tv_nsec "sys/types.h;sys/stat.h" HAVE_STRUCT_STAT_ST_MTIMESPEC_TV_NSEC) if (UNIX AND ${CMAKE_SYSTEM_NAME} MATCHES "AIX") # The st_mtim.tv_nsec member of a `stat` structure is not reliable on some AIX # environments. set(HAVE_STRUCT_STAT_ST_MTIM_TV_NSEC 0) else() CHECK_STRUCT_HAS_MEMBER("struct stat" st_mtim.tv_nsec "sys/types.h;sys/stat.h" HAVE_STRUCT_STAT_ST_MTIM_TV_NSEC) endif() check_symbol_exists(__GLIBC__ stdio.h LLVM_USING_GLIBC) if( LLVM_USING_GLIBC ) add_definitions( -D_GNU_SOURCE ) list(APPEND CMAKE_REQUIRED_DEFINITIONS "-D_GNU_SOURCE") endif() # This check requires _GNU_SOURCE if (NOT PURE_WINDOWS) if (LLVM_PTHREAD_LIB) list(APPEND CMAKE_REQUIRED_LIBRARIES ${LLVM_PTHREAD_LIB}) endif() check_symbol_exists(pthread_getname_np pthread.h HAVE_PTHREAD_GETNAME_NP) check_symbol_exists(pthread_setname_np pthread.h HAVE_PTHREAD_SETNAME_NP) if (LLVM_PTHREAD_LIB) list(REMOVE_ITEM CMAKE_REQUIRED_LIBRARIES ${LLVM_PTHREAD_LIB}) endif() endif() # available programs checks function(llvm_find_program name) string(TOUPPER ${name} NAME) string(REGEX REPLACE "\\." "_" NAME ${NAME}) find_program(LLVM_PATH_${NAME} NAMES ${ARGV}) mark_as_advanced(LLVM_PATH_${NAME}) if(LLVM_PATH_${NAME}) set(HAVE_${NAME} 1 CACHE INTERNAL "Is ${name} available ?") mark_as_advanced(HAVE_${NAME}) else(LLVM_PATH_${NAME}) set(HAVE_${NAME} "" CACHE INTERNAL "Is ${name} available ?") endif(LLVM_PATH_${NAME}) endfunction() if (LLVM_ENABLE_DOXYGEN) llvm_find_program(dot) endif () if(LLVM_ENABLE_FFI) set(FFI_REQUIRE_INCLUDE On) if(LLVM_ENABLE_FFI STREQUAL FORCE_ON) find_package(FFI REQUIRED) else() find_package(FFI) endif() set(LLVM_ENABLE_FFI "${FFI_FOUND}") else() unset(HAVE_FFI_FFI_H CACHE) unset(HAVE_FFI_H CACHE) unset(HAVE_FFI_CALL CACHE) endif() check_symbol_exists(proc_pid_rusage "libproc.h" HAVE_PROC_PID_RUSAGE) # Whether we can use std::is_trivially_copyable to verify llvm::is_trivially_copyable. CHECK_CXX_SOURCE_COMPILES(" #include <type_traits> struct T { int val; }; static_assert(std::is_trivially_copyable<T>::value, \"ok\"); int main() { return 0;} " HAVE_STD_IS_TRIVIALLY_COPYABLE) # Define LLVM_HAS_ATOMICS if gcc or MSVC atomic builtins are supported. include(CheckAtomic) if( LLVM_ENABLE_PIC ) set(ENABLE_PIC 1) else() set(ENABLE_PIC 0) check_cxx_compiler_flag("-fno-pie" SUPPORTS_NO_PIE_FLAG) if(SUPPORTS_NO_PIE_FLAG) set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -fno-pie") endif() endif() check_cxx_compiler_flag("-Wvariadic-macros" SUPPORTS_VARIADIC_MACROS_FLAG) check_cxx_compiler_flag("-Wgnu-zero-variadic-macro-arguments" SUPPORTS_GNU_ZERO_VARIADIC_MACRO_ARGUMENTS_FLAG) set(USE_NO_MAYBE_UNINITIALIZED 0) set(USE_NO_UNINITIALIZED 0) # Disable gcc's potentially uninitialized use analysis as it presents lots of # false positives. if (CMAKE_COMPILER_IS_GNUCXX) check_cxx_compiler_flag("-Wmaybe-uninitialized" HAS_MAYBE_UNINITIALIZED) if (HAS_MAYBE_UNINITIALIZED) set(USE_NO_MAYBE_UNINITIALIZED 1) else() # Only recent versions of gcc make the distinction between -Wuninitialized # and -Wmaybe-uninitialized. If -Wmaybe-uninitialized isn't supported, just # turn off all uninitialized use warnings. check_cxx_compiler_flag("-Wuninitialized" HAS_UNINITIALIZED) set(USE_NO_UNINITIALIZED ${HAS_UNINITIALIZED}) endif() endif() # By default, we target the host, but this can be overridden at CMake # invocation time. include(GetHostTriple) get_host_triple(LLVM_INFERRED_HOST_TRIPLE) set(LLVM_HOST_TRIPLE "${LLVM_INFERRED_HOST_TRIPLE}" CACHE STRING "Host on which LLVM binaries will run") # Determine the native architecture. string(TOLOWER "${LLVM_TARGET_ARCH}" LLVM_NATIVE_ARCH) if( LLVM_NATIVE_ARCH STREQUAL "host" ) string(REGEX MATCH "^[^-]*" LLVM_NATIVE_ARCH ${LLVM_HOST_TRIPLE}) endif () if (LLVM_NATIVE_ARCH MATCHES "i[2-6]86") set(LLVM_NATIVE_ARCH X86) elseif (LLVM_NATIVE_ARCH STREQUAL "x86") set(LLVM_NATIVE_ARCH X86) elseif (LLVM_NATIVE_ARCH STREQUAL "amd64") set(LLVM_NATIVE_ARCH X86) elseif (LLVM_NATIVE_ARCH STREQUAL "x86_64") set(LLVM_NATIVE_ARCH X86) elseif (LLVM_NATIVE_ARCH MATCHES "sparc") set(LLVM_NATIVE_ARCH Sparc) elseif (LLVM_NATIVE_ARCH MATCHES "powerpc") set(LLVM_NATIVE_ARCH PowerPC) elseif (LLVM_NATIVE_ARCH MATCHES "ppc64le") set(LLVM_NATIVE_ARCH PowerPC) elseif (LLVM_NATIVE_ARCH MATCHES "aarch64") set(LLVM_NATIVE_ARCH AArch64) elseif (LLVM_NATIVE_ARCH MATCHES "arm64") set(LLVM_NATIVE_ARCH AArch64) elseif (LLVM_NATIVE_ARCH MATCHES "arm") set(LLVM_NATIVE_ARCH ARM) elseif (LLVM_NATIVE_ARCH MATCHES "avr") set(LLVM_NATIVE_ARCH AVR) elseif (LLVM_NATIVE_ARCH MATCHES "mips") set(LLVM_NATIVE_ARCH Mips) elseif (LLVM_NATIVE_ARCH MATCHES "xcore") set(LLVM_NATIVE_ARCH XCore) elseif (LLVM_NATIVE_ARCH MATCHES "msp430") set(LLVM_NATIVE_ARCH MSP430) elseif (LLVM_NATIVE_ARCH MATCHES "hexagon") set(LLVM_NATIVE_ARCH Hexagon) elseif (LLVM_NATIVE_ARCH MATCHES "s390x") set(LLVM_NATIVE_ARCH SystemZ) elseif (LLVM_NATIVE_ARCH MATCHES "wasm32") set(LLVM_NATIVE_ARCH WebAssembly) elseif (LLVM_NATIVE_ARCH MATCHES "wasm64") set(LLVM_NATIVE_ARCH WebAssembly) elseif (LLVM_NATIVE_ARCH MATCHES "riscv32") set(LLVM_NATIVE_ARCH RISCV) elseif (LLVM_NATIVE_ARCH MATCHES "riscv64") set(LLVM_NATIVE_ARCH RISCV) elseif (LLVM_NATIVE_ARCH STREQUAL "m68k") set(LLVM_NATIVE_ARCH M68k) else () message(FATAL_ERROR "Unknown architecture ${LLVM_NATIVE_ARCH}") endif () # If build targets includes "host" or "Native", then replace with native architecture. foreach (NATIVE_KEYWORD host Native) list(FIND LLVM_TARGETS_TO_BUILD ${NATIVE_KEYWORD} idx) if( NOT idx LESS 0 ) list(REMOVE_AT LLVM_TARGETS_TO_BUILD ${idx}) list(APPEND LLVM_TARGETS_TO_BUILD ${LLVM_NATIVE_ARCH}) list(REMOVE_DUPLICATES LLVM_TARGETS_TO_BUILD) endif() endforeach() list(FIND LLVM_TARGETS_TO_BUILD ${LLVM_NATIVE_ARCH} NATIVE_ARCH_IDX) if (NATIVE_ARCH_IDX EQUAL -1) message(STATUS "Native target ${LLVM_NATIVE_ARCH} is not selected; lli will not JIT code") else () message(STATUS "Native target architecture is ${LLVM_NATIVE_ARCH}") set(LLVM_NATIVE_TARGET LLVMInitialize${LLVM_NATIVE_ARCH}Target) set(LLVM_NATIVE_TARGETINFO LLVMInitialize${LLVM_NATIVE_ARCH}TargetInfo) set(LLVM_NATIVE_TARGETMC LLVMInitialize${LLVM_NATIVE_ARCH}TargetMC) set(LLVM_NATIVE_ASMPRINTER LLVMInitialize${LLVM_NATIVE_ARCH}AsmPrinter) # We don't have an ASM parser for all architectures yet. if (EXISTS ${PROJECT_SOURCE_DIR}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/CMakeLists.txt) set(LLVM_NATIVE_ASMPARSER LLVMInitialize${LLVM_NATIVE_ARCH}AsmParser) endif () # We don't have an disassembler for all architectures yet. if (EXISTS ${PROJECT_SOURCE_DIR}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/CMakeLists.txt) set(LLVM_NATIVE_DISASSEMBLER LLVMInitialize${LLVM_NATIVE_ARCH}Disassembler) endif () endif () if( MSVC ) set(SHLIBEXT ".lib") set(stricmp "_stricmp") set(strdup "_strdup") # Allow setting clang-cl's /winsysroot flag. set(LLVM_WINSYSROOT "" CACHE STRING "If set, argument to clang-cl's /winsysroot") if (LLVM_WINSYSROOT) set(MSVC_DIA_SDK_DIR "${LLVM_WINSYSROOT}/DIA SDK" CACHE PATH "Path to the DIA SDK") else() set(MSVC_DIA_SDK_DIR "$ENV{VSINSTALLDIR}DIA SDK" CACHE PATH "Path to the DIA SDK") endif() # See if the DIA SDK is available and usable. # Due to a bug in MSVC 2013's installation software, it is possible # for MSVC 2013 to write the DIA SDK into the Visual Studio 2012 # install directory. If this happens, the installation is corrupt # and there's nothing we can do. It happens with enough frequency # though that we should handle it. We do so by simply checking that # the DIA SDK folder exists. Should this happen you will need to # uninstall VS 2012 and then re-install VS 2013. if (IS_DIRECTORY "${MSVC_DIA_SDK_DIR}") set(HAVE_DIA_SDK 1) else() set(HAVE_DIA_SDK 0) endif() option(LLVM_ENABLE_DIA_SDK "Use MSVC DIA SDK for debugging if available." ${HAVE_DIA_SDK}) if(LLVM_ENABLE_DIA_SDK AND NOT HAVE_DIA_SDK) message(FATAL_ERROR "DIA SDK not found. If you have both VS 2012 and 2013 installed, you may need to uninstall the former and re-install the latter afterwards.") endif() else() set(LLVM_ENABLE_DIA_SDK 0) endif( MSVC ) if( LLVM_ENABLE_THREADS ) # Check if threading primitives aren't supported on this platform if( NOT HAVE_PTHREAD_H AND NOT WIN32 ) set(LLVM_ENABLE_THREADS 0) endif() endif() if( LLVM_ENABLE_THREADS ) message(STATUS "Threads enabled.") else( LLVM_ENABLE_THREADS ) message(STATUS "Threads disabled.") endif() if (LLVM_ENABLE_DOXYGEN) message(STATUS "Doxygen enabled.") find_package(Doxygen REQUIRED) if (DOXYGEN_FOUND) # If we find doxygen and we want to enable doxygen by default create a # global aggregate doxygen target for generating llvm and any/all # subprojects doxygen documentation. if (LLVM_BUILD_DOCS) add_custom_target(doxygen ALL) endif() option(LLVM_DOXYGEN_EXTERNAL_SEARCH "Enable doxygen external search." OFF) if (LLVM_DOXYGEN_EXTERNAL_SEARCH) set(LLVM_DOXYGEN_SEARCHENGINE_URL "" CACHE STRING "URL to use for external search.") set(LLVM_DOXYGEN_SEARCH_MAPPINGS "" CACHE STRING "Doxygen Search Mappings") endif() endif() else() message(STATUS "Doxygen disabled.") endif() set(LLVM_BINDINGS "") find_program(GO_EXECUTABLE NAMES go DOC "go executable") if(WIN32 OR NOT LLVM_ENABLE_BINDINGS) message(STATUS "Go bindings disabled.") else() if(GO_EXECUTABLE STREQUAL "GO_EXECUTABLE-NOTFOUND") message(STATUS "Go bindings disabled.") else() execute_process(COMMAND ${GO_EXECUTABLE} run ${PROJECT_SOURCE_DIR}/bindings/go/conftest.go RESULT_VARIABLE GO_CONFTEST) if(GO_CONFTEST STREQUAL "0") set(LLVM_BINDINGS "${LLVM_BINDINGS} go") message(STATUS "Go bindings enabled.") else() message(STATUS "Go bindings disabled, need at least Go 1.2.") endif() endif() endif() find_program(GOLD_EXECUTABLE NAMES ${LLVM_DEFAULT_TARGET_TRIPLE}-ld.gold ld.gold ${LLVM_DEFAULT_TARGET_TRIPLE}-ld ld DOC "The gold linker") set(LLVM_BINUTILS_INCDIR "" CACHE PATH "PATH to binutils/include containing plugin-api.h for gold plugin.") if(CMAKE_GENERATOR MATCHES "Ninja") execute_process(COMMAND ${CMAKE_MAKE_PROGRAM} --version OUTPUT_VARIABLE NINJA_VERSION OUTPUT_STRIP_TRAILING_WHITESPACE) set(NINJA_VERSION ${NINJA_VERSION} CACHE STRING "Ninja version number" FORCE) message(STATUS "Ninja version: ${NINJA_VERSION}") endif() if(CMAKE_GENERATOR MATCHES "Ninja" AND NOT "${NINJA_VERSION}" VERSION_LESS "1.9.0" AND CMAKE_HOST_APPLE AND CMAKE_HOST_SYSTEM_VERSION VERSION_GREATER "15.6.0") set(LLVM_TOUCH_STATIC_LIBRARIES ON) endif() if(CMAKE_HOST_APPLE AND APPLE) if(NOT CMAKE_XCRUN) find_program(CMAKE_XCRUN NAMES xcrun) endif() if(CMAKE_XCRUN) execute_process(COMMAND ${CMAKE_XCRUN} -find ld OUTPUT_VARIABLE LD64_EXECUTABLE OUTPUT_STRIP_TRAILING_WHITESPACE) else() find_program(LD64_EXECUTABLE NAMES ld DOC "The ld64 linker") endif() if(LD64_EXECUTABLE) set(LD64_EXECUTABLE ${LD64_EXECUTABLE} CACHE PATH "ld64 executable") message(STATUS "Found ld64 - ${LD64_EXECUTABLE}") endif() endif() # Keep the version requirements in sync with bindings/ocaml/README.txt. include(FindOCaml) include(AddOCaml) if(WIN32 OR NOT LLVM_ENABLE_BINDINGS) message(STATUS "OCaml bindings disabled.") else() find_package(OCaml) if( NOT OCAML_FOUND ) message(STATUS "OCaml bindings disabled.") else() if( OCAML_VERSION VERSION_LESS "4.00.0" ) message(STATUS "OCaml bindings disabled, need OCaml >=4.00.0.") else() find_ocamlfind_package(ctypes VERSION 0.4 OPTIONAL) if( HAVE_OCAML_CTYPES ) message(STATUS "OCaml bindings enabled.") set(LLVM_BINDINGS "${LLVM_BINDINGS} ocaml") set(LLVM_OCAML_INSTALL_PATH "${OCAML_STDLIB_PATH}" CACHE STRING "Install directory for LLVM OCaml packages") else() message(STATUS "OCaml bindings disabled, need ctypes >=0.4.") endif() endif() endif() endif() string(REPLACE " " ";" LLVM_BINDINGS_LIST "${LLVM_BINDINGS}") function(find_python_module module) string(REPLACE "." "_" module_name ${module}) string(TOUPPER ${module_name} module_upper) set(FOUND_VAR PY_${module_upper}_FOUND) if (DEFINED ${FOUND_VAR}) return() endif() execute_process(COMMAND "${Python3_EXECUTABLE}" "-c" "import ${module}" RESULT_VARIABLE status ERROR_QUIET) if(status) set(${FOUND_VAR} OFF CACHE BOOL "Failed to find python module '${module}'") message(STATUS "Could NOT find Python module ${module}") else() set(${FOUND_VAR} ON CACHE BOOL "Found python module '${module}'") message(STATUS "Found Python module ${module}") endif() endfunction() set (PYTHON_MODULES pygments # Some systems still don't have pygments.lexers.c_cpp which was introduced in # version 2.0 in 2014... pygments.lexers.c_cpp yaml ) foreach(module ${PYTHON_MODULES}) find_python_module(${module}) endforeach() if(PY_PYGMENTS_FOUND AND PY_PYGMENTS_LEXERS_C_CPP_FOUND AND PY_YAML_FOUND) set (LLVM_HAVE_OPT_VIEWER_MODULES 1) else() set (LLVM_HAVE_OPT_VIEWER_MODULES 0) endif() function(llvm_get_host_prefixes_and_suffixes) # Not all platform files will set these variables (relying on them being # implicitly empty if they're unset), so unset the variables before including # the platform file, to prevent any values from the target system leaking. unset(CMAKE_STATIC_LIBRARY_PREFIX) unset(CMAKE_STATIC_LIBRARY_SUFFIX) unset(CMAKE_SHARED_LIBRARY_PREFIX) unset(CMAKE_SHARED_LIBRARY_SUFFIX) unset(CMAKE_IMPORT_LIBRARY_PREFIX) unset(CMAKE_IMPORT_LIBRARY_SUFFIX) unset(CMAKE_EXECUTABLE_SUFFIX) unset(CMAKE_LINK_LIBRARY_SUFFIX) include(Platform/${CMAKE_HOST_SYSTEM_NAME} OPTIONAL RESULT_VARIABLE _includedFile) if (_includedFile) set(LLVM_HOST_STATIC_LIBRARY_PREFIX ${CMAKE_STATIC_LIBRARY_PREFIX} PARENT_SCOPE) set(LLVM_HOST_STATIC_LIBRARY_SUFFIX ${CMAKE_STATIC_LIBRARY_SUFFIX} PARENT_SCOPE) set(LLVM_HOST_SHARED_LIBRARY_PREFIX ${CMAKE_SHARED_LIBRARY_PREFIX} PARENT_SCOPE) set(LLVM_HOST_SHARED_LIBRARY_SUFFIX ${CMAKE_SHARED_LIBRARY_SUFFIX} PARENT_SCOPE) set(LLVM_HOST_IMPORT_LIBRARY_PREFIX ${CMAKE_IMPORT_LIBRARY_PREFIX} PARENT_SCOPE) set(LLVM_HOST_IMPORT_LIBRARY_SUFFIX ${CMAKE_IMPORT_LIBRARY_SUFFIX} PARENT_SCOPE) set(LLVM_HOST_EXECUTABLE_SUFFIX ${CMAKE_EXECUTABLE_SUFFIX} PARENT_SCOPE) set(LLVM_HOST_LINK_LIBRARY_SUFFIX ${CMAKE_LINK_LIBRARY_SUFFIX} PARENT_SCOPE) endif() endfunction() llvm_get_host_prefixes_and_suffixes()