| 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(CheckCSourceCompiles) |
| 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 ${CMAKE_SYSTEM_NAME} MATCHES "SunOS") |
| list(APPEND CMAKE_REQUIRED_DEFINITIONS "-D_FILE_OFFSET_BITS=64") |
| endif() |
| |
| # include checks |
| check_include_file(dlfcn.h HAVE_DLFCN_H) |
| check_include_file(errno.h HAVE_ERRNO_H) |
| check_include_file(fcntl.h HAVE_FCNTL_H) |
| check_include_file(link.h HAVE_LINK_H) |
| check_include_file(malloc/malloc.h HAVE_MALLOC_MALLOC_H) |
| if( NOT PURE_WINDOWS ) |
| check_include_file(pthread.h HAVE_PTHREAD_H) |
| endif() |
| check_include_file(signal.h HAVE_SIGNAL_H) |
| check_include_file(sys/ioctl.h HAVE_SYS_IOCTL_H) |
| check_include_file(sys/mman.h HAVE_SYS_MMAN_H) |
| check_include_file(sys/param.h HAVE_SYS_PARAM_H) |
| check_include_file(sys/resource.h HAVE_SYS_RESOURCE_H) |
| check_include_file(sys/stat.h HAVE_SYS_STAT_H) |
| check_include_file(sys/time.h HAVE_SYS_TIME_H) |
| check_include_file(sys/types.h HAVE_SYS_TYPES_H) |
| check_include_file(sysexits.h HAVE_SYSEXITS_H) |
| check_include_file(termios.h HAVE_TERMIOS_H) |
| check_include_file(unistd.h HAVE_UNISTD_H) |
| check_include_file(valgrind/valgrind.h HAVE_VALGRIND_VALGRIND_H) |
| check_include_file(fenv.h HAVE_FENV_H) |
| check_symbol_exists(FE_ALL_EXCEPT "fenv.h" HAVE_DECL_FE_ALL_EXCEPT) |
| check_symbol_exists(FE_INEXACT "fenv.h" HAVE_DECL_FE_INEXACT) |
| check_c_source_compiles(" |
| #if __has_attribute(used) |
| #define LLVM_ATTRIBUTE_USED __attribute__((__used__)) |
| #else |
| #define LLVM_ATTRIBUTE_USED |
| #endif |
| LLVM_ATTRIBUTE_USED void *foo() { |
| return __builtin_thread_pointer(); |
| } |
| int main(void) { return 0; }" |
| HAVE_BUILTIN_THREAD_POINTER) |
| |
| check_include_file(mach/mach.h HAVE_MACH_MACH_H) |
| check_include_file(CrashReporterClient.h HAVE_CRASHREPORTERCLIENT_H) |
| if(APPLE) |
| check_c_source_compiles(" |
| static const char *__crashreporter_info__ = 0; |
| asm(\".desc ___crashreporter_info__, 0x10\"); |
| int main(void) { return 0; }" |
| HAVE_CRASHREPORTER_INFO) |
| endif() |
| |
| if(${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.*") |
| if(LLVM_ENABLE_LIBEDIT STREQUAL FORCE_ON) |
| find_package(LibEdit REQUIRED) |
| else() |
| find_package(LibEdit) |
| endif() |
| 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(HAVE_LIBEDIT 0) |
| set(LLVM_ENABLE_TERMINFO 0) |
| endif() |
| else() |
| set(HAVE_LIBEDIT 0) |
| set(LLVM_ENABLE_TERMINFO 0) |
| 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() |
| 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_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() |
| |
| 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_compile_definitions(_GNU_SOURCE) |
| list(APPEND CMAKE_REQUIRED_DEFINITIONS "-D_GNU_SOURCE") |
| # enable 64bit off_t on 32bit systems using glibc |
| if (CMAKE_SIZEOF_VOID_P EQUAL 4) |
| add_compile_definitions(_FILE_OFFSET_BITS=64) |
| list(APPEND CMAKE_REQUIRED_DEFINITIONS "-D_FILE_OFFSET_BITS=64") |
| endif() |
| 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() |
| |
| # This check requires _GNU_SOURCE. |
| 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() |
| |
| # 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 "${FFI_FOUND}") |
| else() |
| unset(HAVE_FFI_FFI_H CACHE) |
| unset(HAVE_FFI_H CACHE) |
| unset(HAVE_FFI_CALL CACHE) |
| endif() |
| |
| check_symbol_exists(proc_pid_rusage "libproc.h" HAVE_PROC_PID_RUSAGE) |
| |
| # Define LLVM_HAS_ATOMICS if gcc or MSVC atomic builtins are supported. |
| include(CheckAtomic) |
| |
| if( LLVM_ENABLE_PIC ) |
| set(ENABLE_PIC 1) |
| else() |
| set(ENABLE_PIC 0) |
| check_cxx_compiler_flag("-fno-pie" SUPPORTS_NO_PIE_FLAG) |
| if(SUPPORTS_NO_PIE_FLAG) |
| set(CMAKE_EXE_LINKER_FLAGS "${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) |
| # Disable all -Wuninitialized warning for old GCC versions. |
| if (CMAKE_CXX_COMPILER_VERSION VERSION_LESS 12.0) |
| check_cxx_compiler_flag("-Wuninitialized" HAS_UNINITIALIZED) |
| set(USE_NO_UNINITIALIZED ${HAS_UNINITIALIZED}) |
| else() |
| check_cxx_compiler_flag("-Wmaybe-uninitialized" HAS_MAYBE_UNINITIALIZED) |
| set(USE_NO_MAYBE_UNINITIALIZED ${HAS_MAYBE_UNINITIALIZED}) |
| endif() |
| endif() |
| |
| if(LLVM_INCLUDE_TESTS) |
| include(GetErrcMessages) |
| get_errc_messages(LLVM_LIT_ERRC_MESSAGES) |
| endif() |
| |
| # By default, we target the host, but this can be overridden at CMake |
| # invocation time. |
| include(GetHostTriple) |
| get_host_triple(LLVM_INFERRED_HOST_TRIPLE) |
| |
| set(LLVM_HOST_TRIPLE "${LLVM_INFERRED_HOST_TRIPLE}" CACHE STRING |
| "Host on which LLVM binaries will run") |
| message(STATUS "LLVM host triple: ${LLVM_HOST_TRIPLE}") |
| |
| # Determine the native architecture. |
| string(TOLOWER "${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) |
| elseif (LLVM_NATIVE_ARCH MATCHES "loongarch") |
| set(LLVM_NATIVE_ARCH LoongArch) |
| 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() |
| |
| if (NOT ${LLVM_NATIVE_ARCH} IN_LIST LLVM_TARGETS_TO_BUILD) |
| 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() |
| |
| 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 LD64_EXECUTABLE) |
| if(NOT CMAKE_XCRUN) |
| find_program(CMAKE_XCRUN NAMES xcrun) |
| endif() |
| |
| # First, check if there's ld-classic, which is ld64 in newer SDKs. |
| if(CMAKE_XCRUN) |
| execute_process(COMMAND ${CMAKE_XCRUN} -find ld-classic |
| OUTPUT_VARIABLE LD64_EXECUTABLE |
| OUTPUT_STRIP_TRAILING_WHITESPACE) |
| else() |
| find_program(LD64_EXECUTABLE NAMES ld-classic DOC "The ld64 linker") |
| endif() |
| |
| # Otherwise look for ld directly. |
| if(NOT LD64_EXECUTABLE) |
| 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() |
| endif() |
| endif() |
| |
| if(LD64_EXECUTABLE) |
| set(LD64_EXECUTABLE ${LD64_EXECUTABLE} CACHE PATH "ld64 executable") |
| message(STATUS "Found ld64 - ${LD64_EXECUTABLE}") |
| endif() |
| endif() |
| |
| # Keep the version requirements in sync with bindings/ocaml/README.txt. |
| set(LLVM_BINDINGS "") |
| include(FindOCaml) |
| include(AddOCaml) |
| if(WIN32 OR NOT LLVM_ENABLE_BINDINGS) |
| message(STATUS "OCaml bindings disabled.") |
| else() |
| find_package(OCaml) |
| if( NOT OCAML_FOUND ) |
| message(STATUS "OCaml bindings disabled.") |
| else() |
| if( OCAML_VERSION VERSION_LESS "4.00.0" ) |
| message(STATUS "OCaml bindings disabled, need OCaml >=4.00.0.") |
| else() |
| find_ocamlfind_package(ctypes VERSION 0.4 OPTIONAL) |
| if( HAVE_OCAML_CTYPES ) |
| message(STATUS "OCaml bindings enabled.") |
| set(LLVM_BINDINGS "${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() |
