1if( WIN32 AND NOT CYGWIN ) 2 # We consider Cygwin as another Unix 3 set(PURE_WINDOWS 1) 4endif() 5 6include(CheckIncludeFile) 7include(CheckIncludeFileCXX) 8include(CheckLibraryExists) 9include(CheckSymbolExists) 10include(CheckFunctionExists) 11include(CheckCXXSourceCompiles) 12include(TestBigEndian) 13 14include(HandleLLVMStdlib) 15 16if( UNIX AND NOT BEOS ) 17 # Used by check_symbol_exists: 18 set(CMAKE_REQUIRED_LIBRARIES m) 19endif() 20# x86_64 FreeBSD 9.2 requires libcxxrt to be specified explicitly. 21if( CMAKE_SYSTEM MATCHES "FreeBSD-9.2-RELEASE" AND 22 CMAKE_SIZEOF_VOID_P EQUAL 8 ) 23 list(APPEND CMAKE_REQUIRED_LIBRARIES "cxxrt") 24endif() 25 26# Helper macros and functions 27macro(add_cxx_include result files) 28 set(${result} "") 29 foreach (file_name ${files}) 30 set(${result} "${${result}}#include<${file_name}>\n") 31 endforeach() 32endmacro(add_cxx_include files result) 33 34function(check_type_exists type files variable) 35 add_cxx_include(includes "${files}") 36 CHECK_CXX_SOURCE_COMPILES(" 37 ${includes} ${type} typeVar; 38 int main() { 39 return 0; 40 } 41 " ${variable}) 42endfunction() 43 44# include checks 45check_include_file(dirent.h HAVE_DIRENT_H) 46check_include_file(dlfcn.h HAVE_DLFCN_H) 47check_include_file(errno.h HAVE_ERRNO_H) 48check_include_file(execinfo.h HAVE_EXECINFO_H) 49check_include_file(fcntl.h HAVE_FCNTL_H) 50check_include_file(inttypes.h HAVE_INTTYPES_H) 51check_include_file(limits.h HAVE_LIMITS_H) 52check_include_file(link.h HAVE_LINK_H) 53check_include_file(malloc.h HAVE_MALLOC_H) 54check_include_file(malloc/malloc.h HAVE_MALLOC_MALLOC_H) 55check_include_file(ndir.h HAVE_NDIR_H) 56if( NOT PURE_WINDOWS ) 57 check_include_file(pthread.h HAVE_PTHREAD_H) 58endif() 59check_include_file(signal.h HAVE_SIGNAL_H) 60check_include_file(stdint.h HAVE_STDINT_H) 61check_include_file(sys/dir.h HAVE_SYS_DIR_H) 62check_include_file(sys/ioctl.h HAVE_SYS_IOCTL_H) 63check_include_file(sys/mman.h HAVE_SYS_MMAN_H) 64check_include_file(sys/ndir.h HAVE_SYS_NDIR_H) 65check_include_file(sys/param.h HAVE_SYS_PARAM_H) 66check_include_file(sys/resource.h HAVE_SYS_RESOURCE_H) 67check_include_file(sys/stat.h HAVE_SYS_STAT_H) 68check_include_file(sys/time.h HAVE_SYS_TIME_H) 69check_include_file(sys/uio.h HAVE_SYS_UIO_H) 70check_include_file(sys/wait.h HAVE_SYS_WAIT_H) 71check_include_file(termios.h HAVE_TERMIOS_H) 72check_include_file(unistd.h HAVE_UNISTD_H) 73check_include_file(utime.h HAVE_UTIME_H) 74check_include_file(valgrind/valgrind.h HAVE_VALGRIND_VALGRIND_H) 75check_include_file(zlib.h HAVE_ZLIB_H) 76check_include_file(fenv.h HAVE_FENV_H) 77check_symbol_exists(FE_ALL_EXCEPT "fenv.h" HAVE_DECL_FE_ALL_EXCEPT) 78check_symbol_exists(FE_INEXACT "fenv.h" HAVE_DECL_FE_INEXACT) 79 80check_include_file(mach/mach.h HAVE_MACH_MACH_H) 81check_include_file(mach-o/dyld.h HAVE_MACH_O_DYLD_H) 82check_include_file(histedit.h HAVE_HISTEDIT_H) 83 84# size_t must be defined before including cxxabi.h on FreeBSD 10.0. 85check_cxx_source_compiles(" 86#include <stddef.h> 87#include <cxxabi.h> 88int main() { return 0; } 89" HAVE_CXXABI_H) 90 91# library checks 92if( NOT PURE_WINDOWS ) 93 check_library_exists(pthread pthread_create "" HAVE_LIBPTHREAD) 94 if (HAVE_LIBPTHREAD) 95 check_library_exists(pthread pthread_getspecific "" HAVE_PTHREAD_GETSPECIFIC) 96 check_library_exists(pthread pthread_rwlock_init "" HAVE_PTHREAD_RWLOCK_INIT) 97 check_library_exists(pthread pthread_mutex_lock "" HAVE_PTHREAD_MUTEX_LOCK) 98 else() 99 # this could be Android 100 check_library_exists(c pthread_create "" PTHREAD_IN_LIBC) 101 if (PTHREAD_IN_LIBC) 102 check_library_exists(c pthread_getspecific "" HAVE_PTHREAD_GETSPECIFIC) 103 check_library_exists(c pthread_rwlock_init "" HAVE_PTHREAD_RWLOCK_INIT) 104 check_library_exists(c pthread_mutex_lock "" HAVE_PTHREAD_MUTEX_LOCK) 105 endif() 106 endif() 107 check_library_exists(dl dlopen "" HAVE_LIBDL) 108 check_library_exists(rt clock_gettime "" HAVE_LIBRT) 109 if (LLVM_ENABLE_ZLIB) 110 check_library_exists(z compress2 "" HAVE_LIBZ) 111 else() 112 set(HAVE_LIBZ 0) 113 endif() 114 if (HAVE_HISTEDIT_H) 115 check_library_exists(edit el_init "" HAVE_LIBEDIT) 116 endif() 117 if(LLVM_ENABLE_TERMINFO) 118 set(HAVE_TERMINFO 0) 119 foreach(library tinfo terminfo curses ncurses ncursesw) 120 string(TOUPPER ${library} library_suffix) 121 check_library_exists(${library} setupterm "" HAVE_TERMINFO_${library_suffix}) 122 if(HAVE_TERMINFO_${library_suffix}) 123 set(HAVE_TERMINFO 1) 124 set(TERMINFO_LIBS "${library}") 125 break() 126 endif() 127 endforeach() 128 else() 129 set(HAVE_TERMINFO 0) 130 endif() 131endif() 132 133# function checks 134check_symbol_exists(arc4random "stdlib.h" HAVE_DECL_ARC4RANDOM) 135check_symbol_exists(backtrace "execinfo.h" HAVE_BACKTRACE) 136check_symbol_exists(getpagesize unistd.h HAVE_GETPAGESIZE) 137check_symbol_exists(getrusage sys/resource.h HAVE_GETRUSAGE) 138check_symbol_exists(setrlimit sys/resource.h HAVE_SETRLIMIT) 139check_symbol_exists(isatty unistd.h HAVE_ISATTY) 140check_symbol_exists(futimens sys/stat.h HAVE_FUTIMENS) 141check_symbol_exists(futimes sys/time.h HAVE_FUTIMES) 142if( HAVE_SETJMP_H ) 143 check_symbol_exists(longjmp setjmp.h HAVE_LONGJMP) 144 check_symbol_exists(setjmp setjmp.h HAVE_SETJMP) 145 check_symbol_exists(siglongjmp setjmp.h HAVE_SIGLONGJMP) 146 check_symbol_exists(sigsetjmp setjmp.h HAVE_SIGSETJMP) 147endif() 148if( HAVE_SYS_UIO_H ) 149 check_symbol_exists(writev sys/uio.h HAVE_WRITEV) 150endif() 151check_symbol_exists(mallctl malloc_np.h HAVE_MALLCTL) 152check_symbol_exists(mallinfo malloc.h HAVE_MALLINFO) 153check_symbol_exists(malloc_zone_statistics malloc/malloc.h 154 HAVE_MALLOC_ZONE_STATISTICS) 155check_symbol_exists(mkdtemp "stdlib.h;unistd.h" HAVE_MKDTEMP) 156check_symbol_exists(mkstemp "stdlib.h;unistd.h" HAVE_MKSTEMP) 157check_symbol_exists(mktemp "stdlib.h;unistd.h" HAVE_MKTEMP) 158check_symbol_exists(closedir "sys/types.h;dirent.h" HAVE_CLOSEDIR) 159check_symbol_exists(opendir "sys/types.h;dirent.h" HAVE_OPENDIR) 160check_symbol_exists(readdir "sys/types.h;dirent.h" HAVE_READDIR) 161check_symbol_exists(getcwd unistd.h HAVE_GETCWD) 162check_symbol_exists(gettimeofday sys/time.h HAVE_GETTIMEOFDAY) 163check_symbol_exists(getrlimit "sys/types.h;sys/time.h;sys/resource.h" HAVE_GETRLIMIT) 164check_symbol_exists(posix_spawn spawn.h HAVE_POSIX_SPAWN) 165check_symbol_exists(pread unistd.h HAVE_PREAD) 166check_symbol_exists(realpath stdlib.h HAVE_REALPATH) 167check_symbol_exists(sbrk unistd.h HAVE_SBRK) 168check_symbol_exists(srand48 stdlib.h HAVE_RAND48_SRAND48) 169if( HAVE_RAND48_SRAND48 ) 170 check_symbol_exists(lrand48 stdlib.h HAVE_RAND48_LRAND48) 171 if( HAVE_RAND48_LRAND48 ) 172 check_symbol_exists(drand48 stdlib.h HAVE_RAND48_DRAND48) 173 if( HAVE_RAND48_DRAND48 ) 174 set(HAVE_RAND48 1 CACHE INTERNAL "are srand48/lrand48/drand48 available?") 175 endif() 176 endif() 177endif() 178check_symbol_exists(strtoll stdlib.h HAVE_STRTOLL) 179check_symbol_exists(strtoq stdlib.h HAVE_STRTOQ) 180check_symbol_exists(strerror string.h HAVE_STRERROR) 181check_symbol_exists(strerror_r string.h HAVE_STRERROR_R) 182check_symbol_exists(strerror_s string.h HAVE_DECL_STRERROR_S) 183check_symbol_exists(setenv stdlib.h HAVE_SETENV) 184if( PURE_WINDOWS ) 185 check_symbol_exists(_chsize_s io.h HAVE__CHSIZE_S) 186 187 check_function_exists(_alloca HAVE__ALLOCA) 188 check_function_exists(__alloca HAVE___ALLOCA) 189 check_function_exists(__chkstk HAVE___CHKSTK) 190 check_function_exists(__chkstk_ms HAVE___CHKSTK_MS) 191 check_function_exists(___chkstk HAVE____CHKSTK) 192 check_function_exists(___chkstk_ms HAVE____CHKSTK_MS) 193 194 check_function_exists(__ashldi3 HAVE___ASHLDI3) 195 check_function_exists(__ashrdi3 HAVE___ASHRDI3) 196 check_function_exists(__divdi3 HAVE___DIVDI3) 197 check_function_exists(__fixdfdi HAVE___FIXDFDI) 198 check_function_exists(__fixsfdi HAVE___FIXSFDI) 199 check_function_exists(__floatdidf HAVE___FLOATDIDF) 200 check_function_exists(__lshrdi3 HAVE___LSHRDI3) 201 check_function_exists(__moddi3 HAVE___MODDI3) 202 check_function_exists(__udivdi3 HAVE___UDIVDI3) 203 check_function_exists(__umoddi3 HAVE___UMODDI3) 204 205 check_function_exists(__main HAVE___MAIN) 206 check_function_exists(__cmpdi2 HAVE___CMPDI2) 207endif() 208if( HAVE_DLFCN_H ) 209 if( HAVE_LIBDL ) 210 list(APPEND CMAKE_REQUIRED_LIBRARIES dl) 211 endif() 212 check_symbol_exists(dlerror dlfcn.h HAVE_DLERROR) 213 check_symbol_exists(dlopen dlfcn.h HAVE_DLOPEN) 214 if( HAVE_LIBDL ) 215 list(REMOVE_ITEM CMAKE_REQUIRED_LIBRARIES dl) 216 endif() 217endif() 218 219check_symbol_exists(__GLIBC__ stdio.h LLVM_USING_GLIBC) 220if( LLVM_USING_GLIBC ) 221 add_llvm_definitions( -D_GNU_SOURCE ) 222endif() 223 224set(headers "sys/types.h") 225 226if (HAVE_INTTYPES_H) 227 set(headers ${headers} "inttypes.h") 228endif() 229 230if (HAVE_STDINT_H) 231 set(headers ${headers} "stdint.h") 232endif() 233 234check_type_exists(int64_t "${headers}" HAVE_INT64_T) 235check_type_exists(uint64_t "${headers}" HAVE_UINT64_T) 236check_type_exists(u_int64_t "${headers}" HAVE_U_INT64_T) 237 238# available programs checks 239function(llvm_find_program name) 240 string(TOUPPER ${name} NAME) 241 string(REGEX REPLACE "\\." "_" NAME ${NAME}) 242 243 find_program(LLVM_PATH_${NAME} NAMES ${ARGV}) 244 mark_as_advanced(LLVM_PATH_${NAME}) 245 if(LLVM_PATH_${NAME}) 246 set(HAVE_${NAME} 1 CACHE INTERNAL "Is ${name} available ?") 247 mark_as_advanced(HAVE_${NAME}) 248 else(LLVM_PATH_${NAME}) 249 set(HAVE_${NAME} "" CACHE INTERNAL "Is ${name} available ?") 250 endif(LLVM_PATH_${NAME}) 251endfunction() 252 253if (LLVM_ENABLE_DOXYGEN) 254 llvm_find_program(dot) 255endif () 256 257if( LLVM_ENABLE_FFI ) 258 find_path(FFI_INCLUDE_PATH ffi.h PATHS ${FFI_INCLUDE_DIR}) 259 if( EXISTS "${FFI_INCLUDE_PATH}/ffi.h" ) 260 set(FFI_HEADER ffi.h CACHE INTERNAL "") 261 set(HAVE_FFI_H 1 CACHE INTERNAL "") 262 else() 263 find_path(FFI_INCLUDE_PATH ffi/ffi.h PATHS ${FFI_INCLUDE_DIR}) 264 if( EXISTS "${FFI_INCLUDE_PATH}/ffi/ffi.h" ) 265 set(FFI_HEADER ffi/ffi.h CACHE INTERNAL "") 266 set(HAVE_FFI_FFI_H 1 CACHE INTERNAL "") 267 endif() 268 endif() 269 270 if( NOT FFI_HEADER ) 271 message(FATAL_ERROR "libffi includes are not found.") 272 endif() 273 274 find_library(FFI_LIBRARY_PATH ffi PATHS ${FFI_LIBRARY_DIR}) 275 if( NOT FFI_LIBRARY_PATH ) 276 message(FATAL_ERROR "libffi is not found.") 277 endif() 278 279 list(APPEND CMAKE_REQUIRED_LIBRARIES ${FFI_LIBRARY_PATH}) 280 list(APPEND CMAKE_REQUIRED_INCLUDES ${FFI_INCLUDE_PATH}) 281 check_symbol_exists(ffi_call ${FFI_HEADER} HAVE_FFI_CALL) 282 list(REMOVE_ITEM CMAKE_REQUIRED_INCLUDES ${FFI_INCLUDE_PATH}) 283 list(REMOVE_ITEM CMAKE_REQUIRED_LIBRARIES ${FFI_LIBRARY_PATH}) 284else() 285 unset(HAVE_FFI_FFI_H CACHE) 286 unset(HAVE_FFI_H CACHE) 287 unset(HAVE_FFI_CALL CACHE) 288endif( LLVM_ENABLE_FFI ) 289 290# Define LLVM_HAS_ATOMICS if gcc or MSVC atomic builtins are supported. 291include(CheckAtomic) 292 293if( LLVM_ENABLE_PIC ) 294 set(ENABLE_PIC 1) 295else() 296 set(ENABLE_PIC 0) 297endif() 298 299check_cxx_compiler_flag("-Wno-variadic-macros" SUPPORTS_NO_VARIADIC_MACROS_FLAG) 300 301set(USE_NO_MAYBE_UNINITIALIZED 0) 302set(USE_NO_UNINITIALIZED 0) 303 304# Disable gcc's potentially uninitialized use analysis as it presents lots of 305# false positives. 306if (CMAKE_COMPILER_IS_GNUCXX) 307 check_cxx_compiler_flag("-Wmaybe-uninitialized" HAS_MAYBE_UNINITIALIZED) 308 if (HAS_MAYBE_UNINITIALIZED) 309 set(USE_NO_MAYBE_UNINITIALIZED 1) 310 else() 311 # Only recent versions of gcc make the distinction between -Wuninitialized 312 # and -Wmaybe-uninitialized. If -Wmaybe-uninitialized isn't supported, just 313 # turn off all uninitialized use warnings. 314 check_cxx_compiler_flag("-Wuninitialized" HAS_UNINITIALIZED) 315 set(USE_NO_UNINITIALIZED ${HAS_UNINITIALIZED}) 316 endif() 317endif() 318 319# By default, we target the host, but this can be overridden at CMake 320# invocation time. 321include(GetHostTriple) 322get_host_triple(LLVM_INFERRED_HOST_TRIPLE) 323 324set(LLVM_HOST_TRIPLE "${LLVM_INFERRED_HOST_TRIPLE}" CACHE STRING 325 "Host on which LLVM binaries will run") 326 327# Determine the native architecture. 328string(TOLOWER "${LLVM_TARGET_ARCH}" LLVM_NATIVE_ARCH) 329if( LLVM_NATIVE_ARCH STREQUAL "host" ) 330 string(REGEX MATCH "^[^-]*" LLVM_NATIVE_ARCH ${LLVM_HOST_TRIPLE}) 331endif () 332 333if (LLVM_NATIVE_ARCH MATCHES "i[2-6]86") 334 set(LLVM_NATIVE_ARCH X86) 335elseif (LLVM_NATIVE_ARCH STREQUAL "x86") 336 set(LLVM_NATIVE_ARCH X86) 337elseif (LLVM_NATIVE_ARCH STREQUAL "amd64") 338 set(LLVM_NATIVE_ARCH X86) 339elseif (LLVM_NATIVE_ARCH STREQUAL "x86_64") 340 set(LLVM_NATIVE_ARCH X86) 341elseif (LLVM_NATIVE_ARCH MATCHES "sparc") 342 set(LLVM_NATIVE_ARCH Sparc) 343elseif (LLVM_NATIVE_ARCH MATCHES "powerpc") 344 set(LLVM_NATIVE_ARCH PowerPC) 345elseif (LLVM_NATIVE_ARCH MATCHES "aarch64") 346 set(LLVM_NATIVE_ARCH AArch64) 347elseif (LLVM_NATIVE_ARCH MATCHES "arm64") 348 set(LLVM_NATIVE_ARCH AArch64) 349elseif (LLVM_NATIVE_ARCH MATCHES "arm") 350 set(LLVM_NATIVE_ARCH ARM) 351elseif (LLVM_NATIVE_ARCH MATCHES "mips") 352 set(LLVM_NATIVE_ARCH Mips) 353elseif (LLVM_NATIVE_ARCH MATCHES "xcore") 354 set(LLVM_NATIVE_ARCH XCore) 355elseif (LLVM_NATIVE_ARCH MATCHES "msp430") 356 set(LLVM_NATIVE_ARCH MSP430) 357elseif (LLVM_NATIVE_ARCH MATCHES "hexagon") 358 set(LLVM_NATIVE_ARCH Hexagon) 359elseif (LLVM_NATIVE_ARCH MATCHES "s390x") 360 set(LLVM_NATIVE_ARCH SystemZ) 361else () 362 message(FATAL_ERROR "Unknown architecture ${LLVM_NATIVE_ARCH}") 363endif () 364 365# If build targets includes "host", then replace with native architecture. 366list(FIND LLVM_TARGETS_TO_BUILD "host" idx) 367if( NOT idx LESS 0 ) 368 list(REMOVE_AT LLVM_TARGETS_TO_BUILD ${idx}) 369 list(APPEND LLVM_TARGETS_TO_BUILD ${LLVM_NATIVE_ARCH}) 370 list(REMOVE_DUPLICATES LLVM_TARGETS_TO_BUILD) 371endif() 372 373list(FIND LLVM_TARGETS_TO_BUILD ${LLVM_NATIVE_ARCH} NATIVE_ARCH_IDX) 374if (NATIVE_ARCH_IDX EQUAL -1) 375 message(STATUS 376 "Native target ${LLVM_NATIVE_ARCH} is not selected; lli will not JIT code") 377else () 378 message(STATUS "Native target architecture is ${LLVM_NATIVE_ARCH}") 379 set(LLVM_NATIVE_TARGET LLVMInitialize${LLVM_NATIVE_ARCH}Target) 380 set(LLVM_NATIVE_TARGETINFO LLVMInitialize${LLVM_NATIVE_ARCH}TargetInfo) 381 set(LLVM_NATIVE_TARGETMC LLVMInitialize${LLVM_NATIVE_ARCH}TargetMC) 382 set(LLVM_NATIVE_ASMPRINTER LLVMInitialize${LLVM_NATIVE_ARCH}AsmPrinter) 383 384 # We don't have an ASM parser for all architectures yet. 385 if (EXISTS ${CMAKE_SOURCE_DIR}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/CMakeLists.txt) 386 set(LLVM_NATIVE_ASMPARSER LLVMInitialize${LLVM_NATIVE_ARCH}AsmParser) 387 endif () 388 389 # We don't have an disassembler for all architectures yet. 390 if (EXISTS ${CMAKE_SOURCE_DIR}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/CMakeLists.txt) 391 set(LLVM_NATIVE_DISASSEMBLER LLVMInitialize${LLVM_NATIVE_ARCH}Disassembler) 392 endif () 393endif () 394 395if( MINGW ) 396 set(HAVE_LIBIMAGEHLP 1) 397 set(HAVE_LIBPSAPI 1) 398 set(HAVE_LIBSHELL32 1) 399 # TODO: Check existence of libraries. 400 # include(CheckLibraryExists) 401 # CHECK_LIBRARY_EXISTS(imagehlp ??? . HAVE_LIBIMAGEHLP) 402endif( MINGW ) 403 404if (NOT HAVE_STRTOLL) 405 # Use _strtoi64 if strtoll is not available. 406 check_symbol_exists(_strtoi64 stdlib.h have_strtoi64) 407 if (have_strtoi64) 408 set(HAVE_STRTOLL 1) 409 set(strtoll "_strtoi64") 410 set(strtoull "_strtoui64") 411 endif () 412endif () 413 414if( MSVC ) 415 set(SHLIBEXT ".lib") 416 set(stricmp "_stricmp") 417 set(strdup "_strdup") 418 419 # See if the DIA SDK is available and usable. 420 set(MSVC_DIA_SDK_DIR "$ENV{VSINSTALLDIR}DIA SDK") 421 422 # Due to a bug in MSVC 2013's installation software, it is possible 423 # for MSVC 2013 to write the DIA SDK into the Visual Studio 2012 424 # install directory. If this happens, the installation is corrupt 425 # and there's nothing we can do. It happens with enough frequency 426 # though that we should handle it. We do so by simply checking that 427 # the DIA SDK folder exists. Should this happen you will need to 428 # uninstall VS 2012 and then re-install VS 2013. 429 if (IS_DIRECTORY ${MSVC_DIA_SDK_DIR}) 430 set(HAVE_DIA_SDK 1) 431 else() 432 set(HAVE_DIA_SDK 0) 433 endif() 434else() 435 set(HAVE_DIA_SDK 0) 436endif( MSVC ) 437 438if( PURE_WINDOWS ) 439 CHECK_CXX_SOURCE_COMPILES(" 440 #include <windows.h> 441 #include <imagehlp.h> 442 extern \"C\" void foo(PENUMLOADED_MODULES_CALLBACK); 443 extern \"C\" void foo(BOOL(CALLBACK*)(PCSTR,ULONG_PTR,ULONG,PVOID)); 444 int main(){return 0;}" 445 HAVE_ELMCB_PCSTR) 446 if( HAVE_ELMCB_PCSTR ) 447 set(WIN32_ELMCB_PCSTR "PCSTR") 448 else() 449 set(WIN32_ELMCB_PCSTR "PSTR") 450 endif() 451endif( PURE_WINDOWS ) 452 453# FIXME: Signal handler return type, currently hardcoded to 'void' 454set(RETSIGTYPE void) 455 456if( LLVM_ENABLE_THREADS ) 457 # Check if threading primitives aren't supported on this platform 458 if( NOT HAVE_PTHREAD_H AND NOT WIN32 ) 459 set(LLVM_ENABLE_THREADS 0) 460 endif() 461endif() 462 463if( LLVM_ENABLE_THREADS ) 464 message(STATUS "Threads enabled.") 465else( LLVM_ENABLE_THREADS ) 466 message(STATUS "Threads disabled.") 467endif() 468 469if (LLVM_ENABLE_ZLIB ) 470 # Check if zlib is available in the system. 471 if ( NOT HAVE_ZLIB_H OR NOT HAVE_LIBZ ) 472 set(LLVM_ENABLE_ZLIB 0) 473 endif() 474endif() 475 476set(LLVM_PREFIX ${CMAKE_INSTALL_PREFIX}) 477 478if (LLVM_ENABLE_DOXYGEN) 479 message(STATUS "Doxygen enabled.") 480 find_package(Doxygen REQUIRED) 481 482 if (DOXYGEN_FOUND) 483 # If we find doxygen and we want to enable doxygen by default create a 484 # global aggregate doxygen target for generating llvm and any/all 485 # subprojects doxygen documentation. 486 if (LLVM_BUILD_DOCS) 487 add_custom_target(doxygen ALL) 488 endif() 489 490 option(LLVM_DOXYGEN_EXTERNAL_SEARCH "Enable doxygen external search." OFF) 491 if (LLVM_DOXYGEN_EXTERNAL_SEARCH) 492 set(LLVM_DOXYGEN_SEARCHENGINE_URL "" CACHE STRING "URL to use for external searhc.") 493 set(LLVM_DOXYGEN_SEARCH_MAPPINGS "" CACHE STRING "Doxygen Search Mappings") 494 endif() 495 endif() 496else() 497 message(STATUS "Doxygen disabled.") 498endif() 499 500if (LLVM_ENABLE_SPHINX) 501 message(STATUS "Sphinx enabled.") 502 find_package(Sphinx REQUIRED) 503 if (LLVM_BUILD_DOCS) 504 add_custom_target(sphinx ALL) 505 endif() 506else() 507 message(STATUS "Sphinx disabled.") 508endif() 509 510set(LLVM_BINDINGS "") 511if(WIN32) 512 message(STATUS "Go bindings disabled.") 513else() 514 find_program(GO_EXECUTABLE NAMES go DOC "go executable") 515 if(GO_EXECUTABLE STREQUAL "GO_EXECUTABLE-NOTFOUND") 516 message(STATUS "Go bindings disabled.") 517 else() 518 execute_process(COMMAND ${GO_EXECUTABLE} run ${CMAKE_SOURCE_DIR}/bindings/go/conftest.go 519 RESULT_VARIABLE GO_CONFTEST) 520 if(GO_CONFTEST STREQUAL "0") 521 set(LLVM_BINDINGS "${LLVM_BINDINGS} go") 522 message(STATUS "Go bindings enabled.") 523 else() 524 message(STATUS "Go bindings disabled, need at least Go 1.2.") 525 endif() 526 endif() 527endif() 528 529find_program(GOLD_EXECUTABLE NAMES ld.gold ld DOC "The gold linker") 530if(GOLD_EXECUTABLE) 531 set(LLVM_BINUTILS_INCDIR "" CACHE PATH 532 "PATH to binutils/include containing plugin-api.h for gold plugin.") 533endif() 534 535if(APPLE) 536 find_program(LD64_EXECUTABLE NAMES ld DOC "The ld64 linker") 537endif() 538 539include(FindOCaml) 540include(AddOCaml) 541if(WIN32) 542 message(STATUS "OCaml bindings disabled.") 543else() 544 find_package(OCaml) 545 if( NOT OCAML_FOUND ) 546 message(STATUS "OCaml bindings disabled.") 547 else() 548 if( OCAML_VERSION VERSION_LESS "4.00.0" ) 549 message(STATUS "OCaml bindings disabled, need OCaml >=4.00.0.") 550 else() 551 find_ocamlfind_package(ctypes VERSION 0.3 OPTIONAL) 552 if( HAVE_OCAML_CTYPES ) 553 message(STATUS "OCaml bindings enabled.") 554 find_ocamlfind_package(oUnit VERSION 2 OPTIONAL) 555 set(LLVM_BINDINGS "${LLVM_BINDINGS} ocaml") 556 else() 557 message(STATUS "OCaml bindings disabled, need ctypes >=0.3.") 558 endif() 559 endif() 560 endif() 561endif() 562 563string(REPLACE " " ";" LLVM_BINDINGS_LIST "${LLVM_BINDINGS}") 564