1 if( WIN32 AND NOT CYGWIN ) 2 # We consider Cygwin as another Unix 3 set(PURE_WINDOWS 1) 4 endif() 5 6 include(CheckIncludeFile) 7 include(CheckIncludeFileCXX) 8 include(CheckLibraryExists) 9 include(CheckSymbolExists) 10 include(CheckFunctionExists) 11 include(CheckCXXSourceCompiles) 12 include(TestBigEndian) 13 14 include(CheckCompilerVersion) 15 include(HandleLLVMStdlib) 16 17 if( UNIX AND NOT (BEOS OR HAIKU) ) 18 # Used by check_symbol_exists: 19 set(CMAKE_REQUIRED_LIBRARIES m) 20 endif() 21 # x86_64 FreeBSD 9.2 requires libcxxrt to be specified explicitly. 22 if( CMAKE_SYSTEM MATCHES "FreeBSD-9.2-RELEASE" AND 23 CMAKE_SIZEOF_VOID_P EQUAL 8 ) 24 list(APPEND CMAKE_REQUIRED_LIBRARIES "cxxrt") 25 endif() 26 27 # Helper macros and functions 28 macro(add_cxx_include result files) 29 set(${result} "") 30 foreach (file_name ${files}) 31 set(${result} "${${result}}#include<${file_name}>\n") 32 endforeach() 33 endmacro(add_cxx_include files result) 34 35 function(check_type_exists type files variable) 36 add_cxx_include(includes "${files}") 37 CHECK_CXX_SOURCE_COMPILES(" 38 ${includes} ${type} typeVar; 39 int main() { 40 return 0; 41 } 42 " ${variable}) 43 endfunction() 44 45 # include checks 46 check_include_file(dirent.h HAVE_DIRENT_H) 47 check_include_file(dlfcn.h HAVE_DLFCN_H) 48 check_include_file(errno.h HAVE_ERRNO_H) 49 check_include_file(execinfo.h HAVE_EXECINFO_H) 50 check_include_file(fcntl.h HAVE_FCNTL_H) 51 check_include_file(inttypes.h HAVE_INTTYPES_H) 52 check_include_file(limits.h HAVE_LIMITS_H) 53 check_include_file(link.h HAVE_LINK_H) 54 check_include_file(malloc.h HAVE_MALLOC_H) 55 check_include_file(malloc/malloc.h HAVE_MALLOC_MALLOC_H) 56 check_include_file(ndir.h HAVE_NDIR_H) 57 if( NOT PURE_WINDOWS ) 58 check_include_file(pthread.h HAVE_PTHREAD_H) 59 endif() 60 check_include_file(signal.h HAVE_SIGNAL_H) 61 check_include_file(stdint.h HAVE_STDINT_H) 62 check_include_file(sys/dir.h HAVE_SYS_DIR_H) 63 check_include_file(sys/ioctl.h HAVE_SYS_IOCTL_H) 64 check_include_file(sys/mman.h HAVE_SYS_MMAN_H) 65 check_include_file(sys/ndir.h HAVE_SYS_NDIR_H) 66 check_include_file(sys/param.h HAVE_SYS_PARAM_H) 67 check_include_file(sys/resource.h HAVE_SYS_RESOURCE_H) 68 check_include_file(sys/stat.h HAVE_SYS_STAT_H) 69 check_include_file(sys/time.h HAVE_SYS_TIME_H) 70 check_include_file(sys/types.h HAVE_SYS_TYPES_H) 71 check_include_file(sys/uio.h HAVE_SYS_UIO_H) 72 check_include_file(termios.h HAVE_TERMIOS_H) 73 check_include_file(unistd.h HAVE_UNISTD_H) 74 check_include_file(utime.h HAVE_UTIME_H) 75 check_include_file(valgrind/valgrind.h HAVE_VALGRIND_VALGRIND_H) 76 check_include_file(zlib.h HAVE_ZLIB_H) 77 check_include_file(fenv.h HAVE_FENV_H) 78 check_symbol_exists(FE_ALL_EXCEPT "fenv.h" HAVE_DECL_FE_ALL_EXCEPT) 79 check_symbol_exists(FE_INEXACT "fenv.h" HAVE_DECL_FE_INEXACT) 80 81 check_include_file(mach/mach.h HAVE_MACH_MACH_H) 82 check_include_file(mach-o/dyld.h HAVE_MACH_O_DYLD_H) 83 check_include_file(histedit.h HAVE_HISTEDIT_H) 84 85 # size_t must be defined before including cxxabi.h on FreeBSD 10.0. 86 check_cxx_source_compiles(" 87 #include <stddef.h> 88 #include <cxxabi.h> 89 int main() { return 0; } 90 " HAVE_CXXABI_H) 91 92 # library checks 93 if( NOT PURE_WINDOWS ) 94 check_library_exists(pthread pthread_create "" HAVE_LIBPTHREAD) 95 if (HAVE_LIBPTHREAD) 96 check_library_exists(pthread pthread_getspecific "" HAVE_PTHREAD_GETSPECIFIC) 97 check_library_exists(pthread pthread_rwlock_init "" HAVE_PTHREAD_RWLOCK_INIT) 98 check_library_exists(pthread pthread_mutex_lock "" HAVE_PTHREAD_MUTEX_LOCK) 99 else() 100 # this could be Android 101 check_library_exists(c pthread_create "" PTHREAD_IN_LIBC) 102 if (PTHREAD_IN_LIBC) 103 check_library_exists(c pthread_getspecific "" HAVE_PTHREAD_GETSPECIFIC) 104 check_library_exists(c pthread_rwlock_init "" HAVE_PTHREAD_RWLOCK_INIT) 105 check_library_exists(c pthread_mutex_lock "" HAVE_PTHREAD_MUTEX_LOCK) 106 endif() 107 endif() 108 check_library_exists(dl dlopen "" HAVE_LIBDL) 109 check_library_exists(rt clock_gettime "" HAVE_LIBRT) 110 endif() 111 112 if(HAVE_LIBPTHREAD) 113 # We want to find pthreads library and at the moment we do want to 114 # have it reported as '-l<lib>' instead of '-pthread'. 115 # TODO: switch to -pthread once the rest of the build system can deal with it. 116 set(CMAKE_THREAD_PREFER_PTHREAD TRUE) 117 set(THREADS_HAVE_PTHREAD_ARG Off) 118 find_package(Threads REQUIRED) 119 set(PTHREAD_LIB ${CMAKE_THREAD_LIBS_INIT}) 120 endif() 121 122 # Don't look for these libraries on Windows. Also don't look for them if we're 123 # using MSan, since uninstrmented third party code may call MSan interceptors 124 # like strlen, leading to false positives. 125 if( NOT PURE_WINDOWS AND NOT LLVM_USE_SANITIZER MATCHES "Memory.*") 126 if (LLVM_ENABLE_ZLIB) 127 check_library_exists(z compress2 "" HAVE_LIBZ) 128 else() 129 set(HAVE_LIBZ 0) 130 endif() 131 if (HAVE_HISTEDIT_H) 132 check_library_exists(edit el_init "" HAVE_LIBEDIT) 133 endif() 134 if(LLVM_ENABLE_TERMINFO) 135 set(HAVE_TERMINFO 0) 136 foreach(library tinfo terminfo curses ncurses ncursesw) 137 string(TOUPPER ${library} library_suffix) 138 check_library_exists(${library} setupterm "" HAVE_TERMINFO_${library_suffix}) 139 if(HAVE_TERMINFO_${library_suffix}) 140 set(HAVE_TERMINFO 1) 141 set(TERMINFO_LIBS "${library}") 142 break() 143 endif() 144 endforeach() 145 else() 146 set(HAVE_TERMINFO 0) 147 endif() 148 endif() 149 150 check_library_exists(xar xar_open "" HAVE_LIBXAR) 151 if(HAVE_LIBXAR) 152 set(XAR_LIB xar) 153 endif() 154 155 # function checks 156 check_symbol_exists(arc4random "stdlib.h" HAVE_DECL_ARC4RANDOM) 157 check_symbol_exists(backtrace "execinfo.h" HAVE_BACKTRACE) 158 check_symbol_exists(_Unwind_Backtrace "unwind.h" HAVE_UNWIND_BACKTRACE) 159 check_symbol_exists(getpagesize unistd.h HAVE_GETPAGESIZE) 160 check_symbol_exists(getrusage sys/resource.h HAVE_GETRUSAGE) 161 check_symbol_exists(setrlimit sys/resource.h HAVE_SETRLIMIT) 162 check_symbol_exists(isatty unistd.h HAVE_ISATTY) 163 check_symbol_exists(futimens sys/stat.h HAVE_FUTIMENS) 164 check_symbol_exists(futimes sys/time.h HAVE_FUTIMES) 165 if( HAVE_SETJMP_H ) 166 check_symbol_exists(longjmp setjmp.h HAVE_LONGJMP) 167 check_symbol_exists(setjmp setjmp.h HAVE_SETJMP) 168 check_symbol_exists(siglongjmp setjmp.h HAVE_SIGLONGJMP) 169 check_symbol_exists(sigsetjmp setjmp.h HAVE_SIGSETJMP) 170 endif() 171 if( HAVE_SIGNAL_H ) 172 check_symbol_exists(sigaltstack signal.h HAVE_SIGALTSTACK) 173 endif() 174 if( HAVE_SYS_UIO_H ) 175 check_symbol_exists(writev sys/uio.h HAVE_WRITEV) 176 endif() 177 check_symbol_exists(mallctl malloc_np.h HAVE_MALLCTL) 178 check_symbol_exists(mallinfo malloc.h HAVE_MALLINFO) 179 check_symbol_exists(malloc_zone_statistics malloc/malloc.h 180 HAVE_MALLOC_ZONE_STATISTICS) 181 check_symbol_exists(mkdtemp "stdlib.h;unistd.h" HAVE_MKDTEMP) 182 check_symbol_exists(mkstemp "stdlib.h;unistd.h" HAVE_MKSTEMP) 183 check_symbol_exists(mktemp "stdlib.h;unistd.h" HAVE_MKTEMP) 184 check_symbol_exists(closedir "sys/types.h;dirent.h" HAVE_CLOSEDIR) 185 check_symbol_exists(opendir "sys/types.h;dirent.h" HAVE_OPENDIR) 186 check_symbol_exists(readdir "sys/types.h;dirent.h" HAVE_READDIR) 187 check_symbol_exists(getcwd unistd.h HAVE_GETCWD) 188 check_symbol_exists(gettimeofday sys/time.h HAVE_GETTIMEOFDAY) 189 check_symbol_exists(getrlimit "sys/types.h;sys/time.h;sys/resource.h" HAVE_GETRLIMIT) 190 check_symbol_exists(posix_spawn spawn.h HAVE_POSIX_SPAWN) 191 check_symbol_exists(pread unistd.h HAVE_PREAD) 192 check_symbol_exists(realpath stdlib.h HAVE_REALPATH) 193 check_symbol_exists(sbrk unistd.h HAVE_SBRK) 194 check_symbol_exists(srand48 stdlib.h HAVE_RAND48_SRAND48) 195 if( HAVE_RAND48_SRAND48 ) 196 check_symbol_exists(lrand48 stdlib.h HAVE_RAND48_LRAND48) 197 if( HAVE_RAND48_LRAND48 ) 198 check_symbol_exists(drand48 stdlib.h HAVE_RAND48_DRAND48) 199 if( HAVE_RAND48_DRAND48 ) 200 set(HAVE_RAND48 1 CACHE INTERNAL "are srand48/lrand48/drand48 available?") 201 endif() 202 endif() 203 endif() 204 check_symbol_exists(strtoll stdlib.h HAVE_STRTOLL) 205 check_symbol_exists(strtoq stdlib.h HAVE_STRTOQ) 206 check_symbol_exists(strerror string.h HAVE_STRERROR) 207 check_symbol_exists(strerror_r string.h HAVE_STRERROR_R) 208 check_symbol_exists(strerror_s string.h HAVE_DECL_STRERROR_S) 209 check_symbol_exists(setenv stdlib.h HAVE_SETENV) 210 if( PURE_WINDOWS ) 211 check_symbol_exists(_chsize_s io.h HAVE__CHSIZE_S) 212 213 check_function_exists(_alloca HAVE__ALLOCA) 214 check_function_exists(__alloca HAVE___ALLOCA) 215 check_function_exists(__chkstk HAVE___CHKSTK) 216 check_function_exists(__chkstk_ms HAVE___CHKSTK_MS) 217 check_function_exists(___chkstk HAVE____CHKSTK) 218 check_function_exists(___chkstk_ms HAVE____CHKSTK_MS) 219 220 check_function_exists(__ashldi3 HAVE___ASHLDI3) 221 check_function_exists(__ashrdi3 HAVE___ASHRDI3) 222 check_function_exists(__divdi3 HAVE___DIVDI3) 223 check_function_exists(__fixdfdi HAVE___FIXDFDI) 224 check_function_exists(__fixsfdi HAVE___FIXSFDI) 225 check_function_exists(__floatdidf HAVE___FLOATDIDF) 226 check_function_exists(__lshrdi3 HAVE___LSHRDI3) 227 check_function_exists(__moddi3 HAVE___MODDI3) 228 check_function_exists(__udivdi3 HAVE___UDIVDI3) 229 check_function_exists(__umoddi3 HAVE___UMODDI3) 230 231 check_function_exists(__main HAVE___MAIN) 232 check_function_exists(__cmpdi2 HAVE___CMPDI2) 233 endif() 234 if( HAVE_DLFCN_H ) 235 if( HAVE_LIBDL ) 236 list(APPEND CMAKE_REQUIRED_LIBRARIES dl) 237 endif() 238 check_symbol_exists(dlerror dlfcn.h HAVE_DLERROR) 239 check_symbol_exists(dlopen dlfcn.h HAVE_DLOPEN) 240 if( HAVE_LIBDL ) 241 list(REMOVE_ITEM CMAKE_REQUIRED_LIBRARIES dl) 242 endif() 243 endif() 244 245 check_symbol_exists(__GLIBC__ stdio.h LLVM_USING_GLIBC) 246 if( LLVM_USING_GLIBC ) 247 add_llvm_definitions( -D_GNU_SOURCE ) 248 endif() 249 250 set(headers "sys/types.h") 251 252 if (HAVE_INTTYPES_H) 253 set(headers ${headers} "inttypes.h") 254 endif() 255 256 if (HAVE_STDINT_H) 257 set(headers ${headers} "stdint.h") 258 endif() 259 260 check_type_exists(int64_t "${headers}" HAVE_INT64_T) 261 check_type_exists(uint64_t "${headers}" HAVE_UINT64_T) 262 check_type_exists(u_int64_t "${headers}" HAVE_U_INT64_T) 263 264 # available programs checks 265 function(llvm_find_program name) 266 string(TOUPPER ${name} NAME) 267 string(REGEX REPLACE "\\." "_" NAME ${NAME}) 268 269 find_program(LLVM_PATH_${NAME} NAMES ${ARGV}) 270 mark_as_advanced(LLVM_PATH_${NAME}) 271 if(LLVM_PATH_${NAME}) 272 set(HAVE_${NAME} 1 CACHE INTERNAL "Is ${name} available ?") 273 mark_as_advanced(HAVE_${NAME}) 274 else(LLVM_PATH_${NAME}) 275 set(HAVE_${NAME} "" CACHE INTERNAL "Is ${name} available ?") 276 endif(LLVM_PATH_${NAME}) 277 endfunction() 278 279 if (LLVM_ENABLE_DOXYGEN) 280 llvm_find_program(dot) 281 endif () 282 283 if( LLVM_ENABLE_FFI ) 284 find_path(FFI_INCLUDE_PATH ffi.h PATHS ${FFI_INCLUDE_DIR}) 285 if( EXISTS "${FFI_INCLUDE_PATH}/ffi.h" ) 286 set(FFI_HEADER ffi.h CACHE INTERNAL "") 287 set(HAVE_FFI_H 1 CACHE INTERNAL "") 288 else() 289 find_path(FFI_INCLUDE_PATH ffi/ffi.h PATHS ${FFI_INCLUDE_DIR}) 290 if( EXISTS "${FFI_INCLUDE_PATH}/ffi/ffi.h" ) 291 set(FFI_HEADER ffi/ffi.h CACHE INTERNAL "") 292 set(HAVE_FFI_FFI_H 1 CACHE INTERNAL "") 293 endif() 294 endif() 295 296 if( NOT FFI_HEADER ) 297 message(FATAL_ERROR "libffi includes are not found.") 298 endif() 299 300 find_library(FFI_LIBRARY_PATH ffi PATHS ${FFI_LIBRARY_DIR}) 301 if( NOT FFI_LIBRARY_PATH ) 302 message(FATAL_ERROR "libffi is not found.") 303 endif() 304 305 list(APPEND CMAKE_REQUIRED_LIBRARIES ${FFI_LIBRARY_PATH}) 306 list(APPEND CMAKE_REQUIRED_INCLUDES ${FFI_INCLUDE_PATH}) 307 check_symbol_exists(ffi_call ${FFI_HEADER} HAVE_FFI_CALL) 308 list(REMOVE_ITEM CMAKE_REQUIRED_INCLUDES ${FFI_INCLUDE_PATH}) 309 list(REMOVE_ITEM CMAKE_REQUIRED_LIBRARIES ${FFI_LIBRARY_PATH}) 310 else() 311 unset(HAVE_FFI_FFI_H CACHE) 312 unset(HAVE_FFI_H CACHE) 313 unset(HAVE_FFI_CALL CACHE) 314 endif( LLVM_ENABLE_FFI ) 315 316 # Define LLVM_HAS_ATOMICS if gcc or MSVC atomic builtins are supported. 317 include(CheckAtomic) 318 319 if( LLVM_ENABLE_PIC ) 320 set(ENABLE_PIC 1) 321 else() 322 set(ENABLE_PIC 0) 323 check_cxx_compiler_flag("-fno-pie" SUPPORTS_NO_PIE_FLAG) 324 if(SUPPORTS_NO_PIE_FLAG) 325 set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -fno-pie") 326 endif() 327 endif() 328 329 check_cxx_compiler_flag("-Wno-variadic-macros" SUPPORTS_NO_VARIADIC_MACROS_FLAG) 330 331 set(USE_NO_MAYBE_UNINITIALIZED 0) 332 set(USE_NO_UNINITIALIZED 0) 333 334 # Disable gcc's potentially uninitialized use analysis as it presents lots of 335 # false positives. 336 if (CMAKE_COMPILER_IS_GNUCXX) 337 check_cxx_compiler_flag("-Wmaybe-uninitialized" HAS_MAYBE_UNINITIALIZED) 338 if (HAS_MAYBE_UNINITIALIZED) 339 set(USE_NO_MAYBE_UNINITIALIZED 1) 340 else() 341 # Only recent versions of gcc make the distinction between -Wuninitialized 342 # and -Wmaybe-uninitialized. If -Wmaybe-uninitialized isn't supported, just 343 # turn off all uninitialized use warnings. 344 check_cxx_compiler_flag("-Wuninitialized" HAS_UNINITIALIZED) 345 set(USE_NO_UNINITIALIZED ${HAS_UNINITIALIZED}) 346 endif() 347 endif() 348 349 # By default, we target the host, but this can be overridden at CMake 350 # invocation time. 351 include(GetHostTriple) 352 get_host_triple(LLVM_INFERRED_HOST_TRIPLE) 353 354 set(LLVM_HOST_TRIPLE "${LLVM_INFERRED_HOST_TRIPLE}" CACHE STRING 355 "Host on which LLVM binaries will run") 356 357 # Determine the native architecture. 358 string(TOLOWER "${LLVM_TARGET_ARCH}" LLVM_NATIVE_ARCH) 359 if( LLVM_NATIVE_ARCH STREQUAL "host" ) 360 string(REGEX MATCH "^[^-]*" LLVM_NATIVE_ARCH ${LLVM_HOST_TRIPLE}) 361 endif () 362 363 if (LLVM_NATIVE_ARCH MATCHES "i[2-6]86") 364 set(LLVM_NATIVE_ARCH X86) 365 elseif (LLVM_NATIVE_ARCH STREQUAL "x86") 366 set(LLVM_NATIVE_ARCH X86) 367 elseif (LLVM_NATIVE_ARCH STREQUAL "amd64") 368 set(LLVM_NATIVE_ARCH X86) 369 elseif (LLVM_NATIVE_ARCH STREQUAL "x86_64") 370 set(LLVM_NATIVE_ARCH X86) 371 elseif (LLVM_NATIVE_ARCH MATCHES "sparc") 372 set(LLVM_NATIVE_ARCH Sparc) 373 elseif (LLVM_NATIVE_ARCH MATCHES "powerpc") 374 set(LLVM_NATIVE_ARCH PowerPC) 375 elseif (LLVM_NATIVE_ARCH MATCHES "aarch64") 376 set(LLVM_NATIVE_ARCH AArch64) 377 elseif (LLVM_NATIVE_ARCH MATCHES "arm64") 378 set(LLVM_NATIVE_ARCH AArch64) 379 elseif (LLVM_NATIVE_ARCH MATCHES "arm") 380 set(LLVM_NATIVE_ARCH ARM) 381 elseif (LLVM_NATIVE_ARCH MATCHES "mips") 382 set(LLVM_NATIVE_ARCH Mips) 383 elseif (LLVM_NATIVE_ARCH MATCHES "xcore") 384 set(LLVM_NATIVE_ARCH XCore) 385 elseif (LLVM_NATIVE_ARCH MATCHES "msp430") 386 set(LLVM_NATIVE_ARCH MSP430) 387 elseif (LLVM_NATIVE_ARCH MATCHES "hexagon") 388 set(LLVM_NATIVE_ARCH Hexagon) 389 elseif (LLVM_NATIVE_ARCH MATCHES "s390x") 390 set(LLVM_NATIVE_ARCH SystemZ) 391 elseif (LLVM_NATIVE_ARCH MATCHES "wasm32") 392 set(LLVM_NATIVE_ARCH WebAssembly) 393 elseif (LLVM_NATIVE_ARCH MATCHES "wasm64") 394 set(LLVM_NATIVE_ARCH WebAssembly) 395 else () 396 message(FATAL_ERROR "Unknown architecture ${LLVM_NATIVE_ARCH}") 397 endif () 398 399 # If build targets includes "host", then replace with native architecture. 400 list(FIND LLVM_TARGETS_TO_BUILD "host" idx) 401 if( NOT idx LESS 0 ) 402 list(REMOVE_AT LLVM_TARGETS_TO_BUILD ${idx}) 403 list(APPEND LLVM_TARGETS_TO_BUILD ${LLVM_NATIVE_ARCH}) 404 list(REMOVE_DUPLICATES LLVM_TARGETS_TO_BUILD) 405 endif() 406 407 list(FIND LLVM_TARGETS_TO_BUILD ${LLVM_NATIVE_ARCH} NATIVE_ARCH_IDX) 408 if (NATIVE_ARCH_IDX EQUAL -1) 409 message(STATUS 410 "Native target ${LLVM_NATIVE_ARCH} is not selected; lli will not JIT code") 411 else () 412 message(STATUS "Native target architecture is ${LLVM_NATIVE_ARCH}") 413 set(LLVM_NATIVE_TARGET LLVMInitialize${LLVM_NATIVE_ARCH}Target) 414 set(LLVM_NATIVE_TARGETINFO LLVMInitialize${LLVM_NATIVE_ARCH}TargetInfo) 415 set(LLVM_NATIVE_TARGETMC LLVMInitialize${LLVM_NATIVE_ARCH}TargetMC) 416 set(LLVM_NATIVE_ASMPRINTER LLVMInitialize${LLVM_NATIVE_ARCH}AsmPrinter) 417 418 # We don't have an ASM parser for all architectures yet. 419 if (EXISTS ${PROJECT_SOURCE_DIR}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/CMakeLists.txt) 420 set(LLVM_NATIVE_ASMPARSER LLVMInitialize${LLVM_NATIVE_ARCH}AsmParser) 421 endif () 422 423 # We don't have an disassembler for all architectures yet. 424 if (EXISTS ${PROJECT_SOURCE_DIR}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/CMakeLists.txt) 425 set(LLVM_NATIVE_DISASSEMBLER LLVMInitialize${LLVM_NATIVE_ARCH}Disassembler) 426 endif () 427 endif () 428 429 if( MINGW ) 430 set(HAVE_LIBPSAPI 1) 431 set(HAVE_LIBSHELL32 1) 432 # TODO: Check existence of libraries. 433 # include(CheckLibraryExists) 434 endif( MINGW ) 435 436 if (NOT HAVE_STRTOLL) 437 # Use _strtoi64 if strtoll is not available. 438 check_symbol_exists(_strtoi64 stdlib.h have_strtoi64) 439 if (have_strtoi64) 440 set(HAVE_STRTOLL 1) 441 set(strtoll "_strtoi64") 442 set(strtoull "_strtoui64") 443 endif () 444 endif () 445 446 if( MSVC ) 447 set(SHLIBEXT ".lib") 448 set(stricmp "_stricmp") 449 set(strdup "_strdup") 450 451 # See if the DIA SDK is available and usable. 452 set(MSVC_DIA_SDK_DIR "$ENV{VSINSTALLDIR}DIA SDK") 453 454 # Due to a bug in MSVC 2013's installation software, it is possible 455 # for MSVC 2013 to write the DIA SDK into the Visual Studio 2012 456 # install directory. If this happens, the installation is corrupt 457 # and there's nothing we can do. It happens with enough frequency 458 # though that we should handle it. We do so by simply checking that 459 # the DIA SDK folder exists. Should this happen you will need to 460 # uninstall VS 2012 and then re-install VS 2013. 461 if (IS_DIRECTORY ${MSVC_DIA_SDK_DIR}) 462 set(HAVE_DIA_SDK 1) 463 else() 464 set(HAVE_DIA_SDK 0) 465 endif() 466 else() 467 set(HAVE_DIA_SDK 0) 468 endif( MSVC ) 469 470 # FIXME: Signal handler return type, currently hardcoded to 'void' 471 set(RETSIGTYPE void) 472 473 if( LLVM_ENABLE_THREADS ) 474 # Check if threading primitives aren't supported on this platform 475 if( NOT HAVE_PTHREAD_H AND NOT WIN32 ) 476 set(LLVM_ENABLE_THREADS 0) 477 endif() 478 endif() 479 480 if( LLVM_ENABLE_THREADS ) 481 message(STATUS "Threads enabled.") 482 else( LLVM_ENABLE_THREADS ) 483 message(STATUS "Threads disabled.") 484 endif() 485 486 if (LLVM_ENABLE_ZLIB ) 487 # Check if zlib is available in the system. 488 if ( NOT HAVE_ZLIB_H OR NOT HAVE_LIBZ ) 489 set(LLVM_ENABLE_ZLIB 0) 490 endif() 491 endif() 492 493 set(LLVM_PREFIX ${CMAKE_INSTALL_PREFIX}) 494 495 if (LLVM_ENABLE_DOXYGEN) 496 message(STATUS "Doxygen enabled.") 497 find_package(Doxygen REQUIRED) 498 499 if (DOXYGEN_FOUND) 500 # If we find doxygen and we want to enable doxygen by default create a 501 # global aggregate doxygen target for generating llvm and any/all 502 # subprojects doxygen documentation. 503 if (LLVM_BUILD_DOCS) 504 add_custom_target(doxygen ALL) 505 endif() 506 507 option(LLVM_DOXYGEN_EXTERNAL_SEARCH "Enable doxygen external search." OFF) 508 if (LLVM_DOXYGEN_EXTERNAL_SEARCH) 509 set(LLVM_DOXYGEN_SEARCHENGINE_URL "" CACHE STRING "URL to use for external search.") 510 set(LLVM_DOXYGEN_SEARCH_MAPPINGS "" CACHE STRING "Doxygen Search Mappings") 511 endif() 512 endif() 513 else() 514 message(STATUS "Doxygen disabled.") 515 endif() 516 517 if (LLVM_ENABLE_SPHINX) 518 message(STATUS "Sphinx enabled.") 519 find_package(Sphinx REQUIRED) 520 if (LLVM_BUILD_DOCS) 521 add_custom_target(sphinx ALL) 522 endif() 523 else() 524 message(STATUS "Sphinx disabled.") 525 endif() 526 527 set(LLVM_BINDINGS "") 528 if(WIN32) 529 message(STATUS "Go bindings disabled.") 530 else() 531 find_program(GO_EXECUTABLE NAMES go DOC "go executable") 532 if(GO_EXECUTABLE STREQUAL "GO_EXECUTABLE-NOTFOUND") 533 message(STATUS "Go bindings disabled.") 534 else() 535 execute_process(COMMAND ${GO_EXECUTABLE} run ${PROJECT_SOURCE_DIR}/bindings/go/conftest.go 536 RESULT_VARIABLE GO_CONFTEST) 537 if(GO_CONFTEST STREQUAL "0") 538 set(LLVM_BINDINGS "${LLVM_BINDINGS} go") 539 message(STATUS "Go bindings enabled.") 540 else() 541 message(STATUS "Go bindings disabled, need at least Go 1.2.") 542 endif() 543 endif() 544 endif() 545 546 find_program(GOLD_EXECUTABLE NAMES ${LLVM_DEFAULT_TARGET_TRIPLE}-ld.gold ld.gold ${LLVM_DEFAULT_TARGET_TRIPLE}-ld ld DOC "The gold linker") 547 set(LLVM_BINUTILS_INCDIR "" CACHE PATH 548 "PATH to binutils/include containing plugin-api.h for gold plugin.") 549 550 if(APPLE) 551 find_program(LD64_EXECUTABLE NAMES ld DOC "The ld64 linker") 552 endif() 553 554 include(FindOCaml) 555 include(AddOCaml) 556 if(WIN32) 557 message(STATUS "OCaml bindings disabled.") 558 else() 559 find_package(OCaml) 560 if( NOT OCAML_FOUND ) 561 message(STATUS "OCaml bindings disabled.") 562 else() 563 if( OCAML_VERSION VERSION_LESS "4.00.0" ) 564 message(STATUS "OCaml bindings disabled, need OCaml >=4.00.0.") 565 else() 566 find_ocamlfind_package(ctypes VERSION 0.4 OPTIONAL) 567 if( HAVE_OCAML_CTYPES ) 568 message(STATUS "OCaml bindings enabled.") 569 find_ocamlfind_package(oUnit VERSION 2 OPTIONAL) 570 set(LLVM_BINDINGS "${LLVM_BINDINGS} ocaml") 571 else() 572 message(STATUS "OCaml bindings disabled, need ctypes >=0.4.") 573 endif() 574 endif() 575 endif() 576 endif() 577 578 string(REPLACE " " ";" LLVM_BINDINGS_LIST "${LLVM_BINDINGS}") 579
