|  | if( WIN32 AND NOT CYGWIN ) | 
|  | # We consider Cygwin as another Unix | 
|  | set(PURE_WINDOWS 1) | 
|  | endif() | 
|  |  | 
|  | include(CheckIncludeFile) | 
|  | include(CheckLibraryExists) | 
|  | include(CheckSymbolExists) | 
|  | include(CheckFunctionExists) | 
|  | include(CheckCCompilerFlag) | 
|  |  | 
|  | include(CheckCompilerVersion) | 
|  | include(HandleLLVMStdlib) | 
|  |  | 
|  | if( UNIX AND NOT (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() | 
|  |  | 
|  | # 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.h HAVE_MALLOC_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(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(zlib.h HAVE_ZLIB_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(histedit.h HAVE_HISTEDIT_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() { 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_getspecific "" HAVE_PTHREAD_GETSPECIFIC) | 
|  | 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_getspecific "" HAVE_PTHREAD_GETSPECIFIC) | 
|  | 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() | 
|  |  | 
|  | # 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.*") | 
|  | set(HAVE_LIBZ 0) | 
|  | if(LLVM_ENABLE_ZLIB) | 
|  | foreach(library z zlib_static zlib) | 
|  | string(TOUPPER ${library} library_suffix) | 
|  | check_library_exists(${library} compress2 "" HAVE_LIBZ_${library_suffix}) | 
|  | if(HAVE_LIBZ_${library_suffix}) | 
|  | set(HAVE_LIBZ 1) | 
|  | set(ZLIB_LIBRARIES "${library}") | 
|  | break() | 
|  | endif() | 
|  | endforeach() | 
|  | endif() | 
|  |  | 
|  | # 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 HAVE_HISTEDIT_H AND NOT LLVM_USE_SANITIZER MATCHES ".*Address.*") | 
|  | check_library_exists(edit el_init "" HAVE_LIBEDIT) | 
|  | else() | 
|  | set(HAVE_LIBEDIT 0) | 
|  | endif() | 
|  | if(LLVM_ENABLE_TERMINFO) | 
|  | set(HAVE_TERMINFO 0) | 
|  | foreach(library tinfo terminfo curses ncurses ncursesw) | 
|  | string(TOUPPER ${library} library_suffix) | 
|  | check_library_exists(${library} setupterm "" HAVE_TERMINFO_${library_suffix}) | 
|  | if(HAVE_TERMINFO_${library_suffix}) | 
|  | set(HAVE_TERMINFO 1) | 
|  | set(TERMINFO_LIBS "${library}") | 
|  | break() | 
|  | endif() | 
|  | endforeach() | 
|  | else() | 
|  | set(HAVE_TERMINFO 0) | 
|  | endif() | 
|  |  | 
|  | find_library(ICONV_LIBRARY_PATH NAMES iconv libiconv libiconv-2 c) | 
|  | set(LLVM_LIBXML2_ENABLED 0) | 
|  | set(LIBXML2_FOUND 0) | 
|  | if((LLVM_ENABLE_LIBXML2) AND ((CMAKE_SYSTEM_NAME MATCHES "Linux") AND (ICONV_LIBRARY_PATH) OR APPLE)) | 
|  | find_package(LibXml2) | 
|  | if (LIBXML2_FOUND) | 
|  | set(LLVM_LIBXML2_ENABLED 1) | 
|  | if ((CMAKE_OSX_SYSROOT) AND (EXISTS ${CMAKE_OSX_SYSROOT}/${LIBXML2_INCLUDE_DIR})) | 
|  | include_directories(${CMAKE_OSX_SYSROOT}/${LIBXML2_INCLUDE_DIR}) | 
|  | else() | 
|  | include_directories(${LIBXML2_INCLUDE_DIR}) | 
|  | endif() | 
|  | set(LIBXML2_LIBS "xml2") | 
|  | endif() | 
|  | endif() | 
|  | endif() | 
|  | endif() | 
|  |  | 
|  | if (LLVM_ENABLE_LIBXML2 STREQUAL "FORCE_ON" AND NOT LLVM_LIBXML2_ENABLED) | 
|  | message(FATAL_ERROR "Failed to congifure libxml2") | 
|  | endif() | 
|  |  | 
|  | check_library_exists(xar xar_open "" HAVE_LIBXAR) | 
|  | if(HAVE_LIBXAR) | 
|  | set(XAR_LIB xar) | 
|  | 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() | 
|  |  | 
|  | 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) | 
|  | check_symbol_exists(posix_fallocate fcntl.h HAVE_POSIX_FALLOCATE) | 
|  | # 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(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(realpath stdlib.h HAVE_REALPATH) | 
|  | 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_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 | 
|  | check_symbol_exists(sched_getaffinity sched.h HAVE_SCHED_GETAFFINITY) | 
|  | check_symbol_exists(CPU_COUNT sched.h HAVE_CPU_COUNT) | 
|  | 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 ) | 
|  | find_path(FFI_INCLUDE_PATH ffi.h PATHS ${FFI_INCLUDE_DIR}) | 
|  | if( EXISTS "${FFI_INCLUDE_PATH}/ffi.h" ) | 
|  | set(FFI_HEADER ffi.h CACHE INTERNAL "") | 
|  | set(HAVE_FFI_H 1 CACHE INTERNAL "") | 
|  | else() | 
|  | find_path(FFI_INCLUDE_PATH ffi/ffi.h PATHS ${FFI_INCLUDE_DIR}) | 
|  | if( EXISTS "${FFI_INCLUDE_PATH}/ffi/ffi.h" ) | 
|  | set(FFI_HEADER ffi/ffi.h CACHE INTERNAL "") | 
|  | set(HAVE_FFI_FFI_H 1 CACHE INTERNAL "") | 
|  | endif() | 
|  | endif() | 
|  |  | 
|  | if( NOT FFI_HEADER ) | 
|  | message(FATAL_ERROR "libffi includes are not found.") | 
|  | endif() | 
|  |  | 
|  | find_library(FFI_LIBRARY_PATH ffi PATHS ${FFI_LIBRARY_DIR}) | 
|  | if( NOT FFI_LIBRARY_PATH ) | 
|  | message(FATAL_ERROR "libffi is not found.") | 
|  | endif() | 
|  |  | 
|  | list(APPEND CMAKE_REQUIRED_LIBRARIES ${FFI_LIBRARY_PATH}) | 
|  | list(APPEND CMAKE_REQUIRED_INCLUDES ${FFI_INCLUDE_PATH}) | 
|  | check_symbol_exists(ffi_call ${FFI_HEADER} HAVE_FFI_CALL) | 
|  | list(REMOVE_ITEM CMAKE_REQUIRED_INCLUDES ${FFI_INCLUDE_PATH}) | 
|  | list(REMOVE_ITEM CMAKE_REQUIRED_LIBRARIES ${FFI_LIBRARY_PATH}) | 
|  | else() | 
|  | unset(HAVE_FFI_FFI_H CACHE) | 
|  | unset(HAVE_FFI_H CACHE) | 
|  | unset(HAVE_FFI_CALL CACHE) | 
|  | endif( LLVM_ENABLE_FFI ) | 
|  |  | 
|  | # Define LLVM_HAS_ATOMICS if gcc or MSVC atomic builtins are supported. | 
|  | include(CheckAtomic) | 
|  |  | 
|  | if( LLVM_ENABLE_PIC ) | 
|  | set(ENABLE_PIC 1) | 
|  | else() | 
|  | set(ENABLE_PIC 0) | 
|  | check_cxx_compiler_flag("-fno-pie" SUPPORTS_NO_PIE_FLAG) | 
|  | if(SUPPORTS_NO_PIE_FLAG) | 
|  | set(CMAKE_EXE_LINKER_FLAGS "${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 "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 "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) | 
|  | else () | 
|  | message(FATAL_ERROR "Unknown architecture ${LLVM_NATIVE_ARCH}") | 
|  | endif () | 
|  |  | 
|  | # If build targets includes "host", then replace with native architecture. | 
|  | list(FIND LLVM_TARGETS_TO_BUILD "host" 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() | 
|  |  | 
|  | 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${LLVM_NATIVE_ARCH}Disassembler) | 
|  | endif () | 
|  | endif () | 
|  |  | 
|  | if( MSVC ) | 
|  | set(SHLIBEXT ".lib") | 
|  | set(stricmp "_stricmp") | 
|  | set(strdup "_strdup") | 
|  |  | 
|  | # See if the DIA SDK is available and usable. | 
|  | set(MSVC_DIA_SDK_DIR "$ENV{VSINSTALLDIR}DIA SDK") | 
|  |  | 
|  | # 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 ) | 
|  |  | 
|  | # FIXME: Signal handler return type, currently hardcoded to 'void' | 
|  | set(RETSIGTYPE void) | 
|  |  | 
|  | 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_ZLIB ) | 
|  | # Check if zlib is available in the system. | 
|  | if ( NOT HAVE_ZLIB_H OR NOT HAVE_LIBZ ) | 
|  | set(LLVM_ENABLE_ZLIB 0) | 
|  | endif() | 
|  | 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_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 - ${LD64_EXECUTABLE}") | 
|  | endif() | 
|  | endif() | 
|  |  | 
|  | # Keep the version requirements in sync with bindings/ocaml/README.txt. | 
|  | include(FindOCaml) | 
|  | include(AddOCaml) | 
|  | if(WIN32 OR NOT LLVM_ENABLE_BINDINGS) | 
|  | message(STATUS "OCaml bindings disabled.") | 
|  | else() | 
|  | find_package(OCaml) | 
|  | if( NOT OCAML_FOUND ) | 
|  | message(STATUS "OCaml bindings disabled.") | 
|  | else() | 
|  | if( OCAML_VERSION VERSION_LESS "4.00.0" ) | 
|  | message(STATUS "OCaml bindings disabled, need OCaml >=4.00.0.") | 
|  | else() | 
|  | find_ocamlfind_package(ctypes VERSION 0.4 OPTIONAL) | 
|  | if( HAVE_OCAML_CTYPES ) | 
|  | message(STATUS "OCaml bindings enabled.") | 
|  | find_ocamlfind_package(oUnit VERSION 2 OPTIONAL) | 
|  | set(LLVM_BINDINGS "${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) | 
|  |  | 
|  | execute_process(COMMAND "${PYTHON_EXECUTABLE}" "-c" "import ${module}" | 
|  | RESULT_VARIABLE status | 
|  | ERROR_QUIET) | 
|  |  | 
|  | if(status) | 
|  | set(${FOUND_VAR} 0 PARENT_SCOPE) | 
|  | message(STATUS "Could NOT find Python module ${module}") | 
|  | else() | 
|  | set(${FOUND_VAR} 1 PARENT_SCOPE) | 
|  | 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() |