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(termios.h HAVE_TERMIOS_H) 71check_include_file(unistd.h HAVE_UNISTD_H) 72check_include_file(utime.h HAVE_UTIME_H) 73check_include_file(valgrind/valgrind.h HAVE_VALGRIND_VALGRIND_H) 74check_include_file(zlib.h HAVE_ZLIB_H) 75check_include_file(fenv.h HAVE_FENV_H) 76check_symbol_exists(FE_ALL_EXCEPT "fenv.h" HAVE_DECL_FE_ALL_EXCEPT) 77check_symbol_exists(FE_INEXACT "fenv.h" HAVE_DECL_FE_INEXACT) 78 79check_include_file(mach/mach.h HAVE_MACH_MACH_H) 80check_include_file(mach-o/dyld.h HAVE_MACH_O_DYLD_H) 81check_include_file(histedit.h HAVE_HISTEDIT_H) 82 83# size_t must be defined before including cxxabi.h on FreeBSD 10.0. 84check_cxx_source_compiles(" 85#include <stddef.h> 86#include <cxxabi.h> 87int main() { return 0; } 88" HAVE_CXXABI_H) 89 90# library checks 91if( NOT PURE_WINDOWS ) 92 check_library_exists(pthread pthread_create "" HAVE_LIBPTHREAD) 93 if (HAVE_LIBPTHREAD) 94 check_library_exists(pthread pthread_getspecific "" HAVE_PTHREAD_GETSPECIFIC) 95 check_library_exists(pthread pthread_rwlock_init "" HAVE_PTHREAD_RWLOCK_INIT) 96 check_library_exists(pthread pthread_mutex_lock "" HAVE_PTHREAD_MUTEX_LOCK) 97 else() 98 # this could be Android 99 check_library_exists(c pthread_create "" PTHREAD_IN_LIBC) 100 if (PTHREAD_IN_LIBC) 101 check_library_exists(c pthread_getspecific "" HAVE_PTHREAD_GETSPECIFIC) 102 check_library_exists(c pthread_rwlock_init "" HAVE_PTHREAD_RWLOCK_INIT) 103 check_library_exists(c pthread_mutex_lock "" HAVE_PTHREAD_MUTEX_LOCK) 104 endif() 105 endif() 106 check_library_exists(dl dlopen "" HAVE_LIBDL) 107 check_library_exists(rt clock_gettime "" HAVE_LIBRT) 108endif() 109 110# Don't look for these libraries on Windows. Also don't look for them if we're 111# using MSan, since uninstrmented third party code may call MSan interceptors 112# like strlen, leading to false positives. 113if( NOT PURE_WINDOWS AND NOT LLVM_USE_SANITIZER MATCHES "Memory.*") 114 if (LLVM_ENABLE_ZLIB) 115 check_library_exists(z compress2 "" HAVE_LIBZ) 116 else() 117 set(HAVE_LIBZ 0) 118 endif() 119 if (HAVE_HISTEDIT_H) 120 check_library_exists(edit el_init "" HAVE_LIBEDIT) 121 endif() 122 if(LLVM_ENABLE_TERMINFO) 123 set(HAVE_TERMINFO 0) 124 foreach(library tinfo terminfo curses ncurses ncursesw) 125 string(TOUPPER ${library} library_suffix) 126 check_library_exists(${library} setupterm "" HAVE_TERMINFO_${library_suffix}) 127 if(HAVE_TERMINFO_${library_suffix}) 128 set(HAVE_TERMINFO 1) 129 set(TERMINFO_LIBS "${library}") 130 break() 131 endif() 132 endforeach() 133 else() 134 set(HAVE_TERMINFO 0) 135 endif() 136endif() 137 138# function checks 139check_symbol_exists(arc4random "stdlib.h" HAVE_DECL_ARC4RANDOM) 140check_symbol_exists(backtrace "execinfo.h" HAVE_BACKTRACE) 141check_symbol_exists(getpagesize unistd.h HAVE_GETPAGESIZE) 142check_symbol_exists(getrusage sys/resource.h HAVE_GETRUSAGE) 143check_symbol_exists(setrlimit sys/resource.h HAVE_SETRLIMIT) 144check_symbol_exists(isatty unistd.h HAVE_ISATTY) 145check_symbol_exists(futimens sys/stat.h HAVE_FUTIMENS) 146check_symbol_exists(futimes sys/time.h HAVE_FUTIMES) 147if( HAVE_SETJMP_H ) 148 check_symbol_exists(longjmp setjmp.h HAVE_LONGJMP) 149 check_symbol_exists(setjmp setjmp.h HAVE_SETJMP) 150 check_symbol_exists(siglongjmp setjmp.h HAVE_SIGLONGJMP) 151 check_symbol_exists(sigsetjmp setjmp.h HAVE_SIGSETJMP) 152endif() 153if( HAVE_SYS_UIO_H ) 154 check_symbol_exists(writev sys/uio.h HAVE_WRITEV) 155endif() 156check_symbol_exists(mallctl malloc_np.h HAVE_MALLCTL) 157check_symbol_exists(mallinfo malloc.h HAVE_MALLINFO) 158check_symbol_exists(malloc_zone_statistics malloc/malloc.h 159 HAVE_MALLOC_ZONE_STATISTICS) 160check_symbol_exists(mkdtemp "stdlib.h;unistd.h" HAVE_MKDTEMP) 161check_symbol_exists(mkstemp "stdlib.h;unistd.h" HAVE_MKSTEMP) 162check_symbol_exists(mktemp "stdlib.h;unistd.h" HAVE_MKTEMP) 163check_symbol_exists(closedir "sys/types.h;dirent.h" HAVE_CLOSEDIR) 164check_symbol_exists(opendir "sys/types.h;dirent.h" HAVE_OPENDIR) 165check_symbol_exists(readdir "sys/types.h;dirent.h" HAVE_READDIR) 166check_symbol_exists(getcwd unistd.h HAVE_GETCWD) 167check_symbol_exists(gettimeofday sys/time.h HAVE_GETTIMEOFDAY) 168check_symbol_exists(getrlimit "sys/types.h;sys/time.h;sys/resource.h" HAVE_GETRLIMIT) 169check_symbol_exists(posix_spawn spawn.h HAVE_POSIX_SPAWN) 170check_symbol_exists(pread unistd.h HAVE_PREAD) 171check_symbol_exists(realpath stdlib.h HAVE_REALPATH) 172check_symbol_exists(sbrk unistd.h HAVE_SBRK) 173check_symbol_exists(srand48 stdlib.h HAVE_RAND48_SRAND48) 174if( HAVE_RAND48_SRAND48 ) 175 check_symbol_exists(lrand48 stdlib.h HAVE_RAND48_LRAND48) 176 if( HAVE_RAND48_LRAND48 ) 177 check_symbol_exists(drand48 stdlib.h HAVE_RAND48_DRAND48) 178 if( HAVE_RAND48_DRAND48 ) 179 set(HAVE_RAND48 1 CACHE INTERNAL "are srand48/lrand48/drand48 available?") 180 endif() 181 endif() 182endif() 183check_symbol_exists(strtoll stdlib.h HAVE_STRTOLL) 184check_symbol_exists(strtoq stdlib.h HAVE_STRTOQ) 185check_symbol_exists(strerror string.h HAVE_STRERROR) 186check_symbol_exists(strerror_r string.h HAVE_STRERROR_R) 187check_symbol_exists(strerror_s string.h HAVE_DECL_STRERROR_S) 188check_symbol_exists(setenv stdlib.h HAVE_SETENV) 189if( PURE_WINDOWS ) 190 check_symbol_exists(_chsize_s io.h HAVE__CHSIZE_S) 191 192 check_function_exists(_alloca HAVE__ALLOCA) 193 check_function_exists(__alloca HAVE___ALLOCA) 194 check_function_exists(__chkstk HAVE___CHKSTK) 195 check_function_exists(__chkstk_ms HAVE___CHKSTK_MS) 196 check_function_exists(___chkstk HAVE____CHKSTK) 197 check_function_exists(___chkstk_ms HAVE____CHKSTK_MS) 198 199 check_function_exists(__ashldi3 HAVE___ASHLDI3) 200 check_function_exists(__ashrdi3 HAVE___ASHRDI3) 201 check_function_exists(__divdi3 HAVE___DIVDI3) 202 check_function_exists(__fixdfdi HAVE___FIXDFDI) 203 check_function_exists(__fixsfdi HAVE___FIXSFDI) 204 check_function_exists(__floatdidf HAVE___FLOATDIDF) 205 check_function_exists(__lshrdi3 HAVE___LSHRDI3) 206 check_function_exists(__moddi3 HAVE___MODDI3) 207 check_function_exists(__udivdi3 HAVE___UDIVDI3) 208 check_function_exists(__umoddi3 HAVE___UMODDI3) 209 210 check_function_exists(__main HAVE___MAIN) 211 check_function_exists(__cmpdi2 HAVE___CMPDI2) 212endif() 213if( HAVE_DLFCN_H ) 214 if( HAVE_LIBDL ) 215 list(APPEND CMAKE_REQUIRED_LIBRARIES dl) 216 endif() 217 check_symbol_exists(dlerror dlfcn.h HAVE_DLERROR) 218 check_symbol_exists(dlopen dlfcn.h HAVE_DLOPEN) 219 if( HAVE_LIBDL ) 220 list(REMOVE_ITEM CMAKE_REQUIRED_LIBRARIES dl) 221 endif() 222endif() 223 224check_symbol_exists(__GLIBC__ stdio.h LLVM_USING_GLIBC) 225if( LLVM_USING_GLIBC ) 226 add_llvm_definitions( -D_GNU_SOURCE ) 227endif() 228 229set(headers "sys/types.h") 230 231if (HAVE_INTTYPES_H) 232 set(headers ${headers} "inttypes.h") 233endif() 234 235if (HAVE_STDINT_H) 236 set(headers ${headers} "stdint.h") 237endif() 238 239check_type_exists(int64_t "${headers}" HAVE_INT64_T) 240check_type_exists(uint64_t "${headers}" HAVE_UINT64_T) 241check_type_exists(u_int64_t "${headers}" HAVE_U_INT64_T) 242 243# available programs checks 244function(llvm_find_program name) 245 string(TOUPPER ${name} NAME) 246 string(REGEX REPLACE "\\." "_" NAME ${NAME}) 247 248 find_program(LLVM_PATH_${NAME} NAMES ${ARGV}) 249 mark_as_advanced(LLVM_PATH_${NAME}) 250 if(LLVM_PATH_${NAME}) 251 set(HAVE_${NAME} 1 CACHE INTERNAL "Is ${name} available ?") 252 mark_as_advanced(HAVE_${NAME}) 253 else(LLVM_PATH_${NAME}) 254 set(HAVE_${NAME} "" CACHE INTERNAL "Is ${name} available ?") 255 endif(LLVM_PATH_${NAME}) 256endfunction() 257 258if (LLVM_ENABLE_DOXYGEN) 259 llvm_find_program(dot) 260endif () 261 262if( LLVM_ENABLE_FFI ) 263 find_path(FFI_INCLUDE_PATH ffi.h PATHS ${FFI_INCLUDE_DIR}) 264 if( EXISTS "${FFI_INCLUDE_PATH}/ffi.h" ) 265 set(FFI_HEADER ffi.h CACHE INTERNAL "") 266 set(HAVE_FFI_H 1 CACHE INTERNAL "") 267 else() 268 find_path(FFI_INCLUDE_PATH ffi/ffi.h PATHS ${FFI_INCLUDE_DIR}) 269 if( EXISTS "${FFI_INCLUDE_PATH}/ffi/ffi.h" ) 270 set(FFI_HEADER ffi/ffi.h CACHE INTERNAL "") 271 set(HAVE_FFI_FFI_H 1 CACHE INTERNAL "") 272 endif() 273 endif() 274 275 if( NOT FFI_HEADER ) 276 message(FATAL_ERROR "libffi includes are not found.") 277 endif() 278 279 find_library(FFI_LIBRARY_PATH ffi PATHS ${FFI_LIBRARY_DIR}) 280 if( NOT FFI_LIBRARY_PATH ) 281 message(FATAL_ERROR "libffi is not found.") 282 endif() 283 284 list(APPEND CMAKE_REQUIRED_LIBRARIES ${FFI_LIBRARY_PATH}) 285 list(APPEND CMAKE_REQUIRED_INCLUDES ${FFI_INCLUDE_PATH}) 286 check_symbol_exists(ffi_call ${FFI_HEADER} HAVE_FFI_CALL) 287 list(REMOVE_ITEM CMAKE_REQUIRED_INCLUDES ${FFI_INCLUDE_PATH}) 288 list(REMOVE_ITEM CMAKE_REQUIRED_LIBRARIES ${FFI_LIBRARY_PATH}) 289else() 290 unset(HAVE_FFI_FFI_H CACHE) 291 unset(HAVE_FFI_H CACHE) 292 unset(HAVE_FFI_CALL CACHE) 293endif( LLVM_ENABLE_FFI ) 294 295# Define LLVM_HAS_ATOMICS if gcc or MSVC atomic builtins are supported. 296include(CheckAtomic) 297 298if( LLVM_ENABLE_PIC ) 299 set(ENABLE_PIC 1) 300else() 301 set(ENABLE_PIC 0) 302 check_cxx_compiler_flag("-fno-pie" SUPPORTS_NO_PIE_FLAG) 303 if(SUPPORTS_NO_PIE_FLAG) 304 set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -fno-pie") 305 endif() 306endif() 307 308check_cxx_compiler_flag("-Wno-variadic-macros" SUPPORTS_NO_VARIADIC_MACROS_FLAG) 309 310set(USE_NO_MAYBE_UNINITIALIZED 0) 311set(USE_NO_UNINITIALIZED 0) 312 313# Disable gcc's potentially uninitialized use analysis as it presents lots of 314# false positives. 315if (CMAKE_COMPILER_IS_GNUCXX) 316 check_cxx_compiler_flag("-Wmaybe-uninitialized" HAS_MAYBE_UNINITIALIZED) 317 if (HAS_MAYBE_UNINITIALIZED) 318 set(USE_NO_MAYBE_UNINITIALIZED 1) 319 else() 320 # Only recent versions of gcc make the distinction between -Wuninitialized 321 # and -Wmaybe-uninitialized. If -Wmaybe-uninitialized isn't supported, just 322 # turn off all uninitialized use warnings. 323 check_cxx_compiler_flag("-Wuninitialized" HAS_UNINITIALIZED) 324 set(USE_NO_UNINITIALIZED ${HAS_UNINITIALIZED}) 325 endif() 326endif() 327 328# By default, we target the host, but this can be overridden at CMake 329# invocation time. 330include(GetHostTriple) 331get_host_triple(LLVM_INFERRED_HOST_TRIPLE) 332 333set(LLVM_HOST_TRIPLE "${LLVM_INFERRED_HOST_TRIPLE}" CACHE STRING 334 "Host on which LLVM binaries will run") 335 336# Determine the native architecture. 337string(TOLOWER "${LLVM_TARGET_ARCH}" LLVM_NATIVE_ARCH) 338if( LLVM_NATIVE_ARCH STREQUAL "host" ) 339 string(REGEX MATCH "^[^-]*" LLVM_NATIVE_ARCH ${LLVM_HOST_TRIPLE}) 340endif () 341 342if (LLVM_NATIVE_ARCH MATCHES "i[2-6]86") 343 set(LLVM_NATIVE_ARCH X86) 344elseif (LLVM_NATIVE_ARCH STREQUAL "x86") 345 set(LLVM_NATIVE_ARCH X86) 346elseif (LLVM_NATIVE_ARCH STREQUAL "amd64") 347 set(LLVM_NATIVE_ARCH X86) 348elseif (LLVM_NATIVE_ARCH STREQUAL "x86_64") 349 set(LLVM_NATIVE_ARCH X86) 350elseif (LLVM_NATIVE_ARCH MATCHES "sparc") 351 set(LLVM_NATIVE_ARCH Sparc) 352elseif (LLVM_NATIVE_ARCH MATCHES "powerpc") 353 set(LLVM_NATIVE_ARCH PowerPC) 354elseif (LLVM_NATIVE_ARCH MATCHES "aarch64") 355 set(LLVM_NATIVE_ARCH AArch64) 356elseif (LLVM_NATIVE_ARCH MATCHES "arm64") 357 set(LLVM_NATIVE_ARCH AArch64) 358elseif (LLVM_NATIVE_ARCH MATCHES "arm") 359 set(LLVM_NATIVE_ARCH ARM) 360elseif (LLVM_NATIVE_ARCH MATCHES "mips") 361 set(LLVM_NATIVE_ARCH Mips) 362elseif (LLVM_NATIVE_ARCH MATCHES "xcore") 363 set(LLVM_NATIVE_ARCH XCore) 364elseif (LLVM_NATIVE_ARCH MATCHES "msp430") 365 set(LLVM_NATIVE_ARCH MSP430) 366elseif (LLVM_NATIVE_ARCH MATCHES "hexagon") 367 set(LLVM_NATIVE_ARCH Hexagon) 368elseif (LLVM_NATIVE_ARCH MATCHES "s390x") 369 set(LLVM_NATIVE_ARCH SystemZ) 370elseif (LLVM_NATIVE_ARCH MATCHES "wasm32") 371 set(LLVM_NATIVE_ARCH WebAssembly) 372elseif (LLVM_NATIVE_ARCH MATCHES "wasm64") 373 set(LLVM_NATIVE_ARCH WebAssembly) 374else () 375 message(FATAL_ERROR "Unknown architecture ${LLVM_NATIVE_ARCH}") 376endif () 377 378# If build targets includes "host", then replace with native architecture. 379list(FIND LLVM_TARGETS_TO_BUILD "host" idx) 380if( NOT idx LESS 0 ) 381 list(REMOVE_AT LLVM_TARGETS_TO_BUILD ${idx}) 382 list(APPEND LLVM_TARGETS_TO_BUILD ${LLVM_NATIVE_ARCH}) 383 list(REMOVE_DUPLICATES LLVM_TARGETS_TO_BUILD) 384endif() 385 386list(FIND LLVM_TARGETS_TO_BUILD ${LLVM_NATIVE_ARCH} NATIVE_ARCH_IDX) 387if (NATIVE_ARCH_IDX EQUAL -1) 388 message(STATUS 389 "Native target ${LLVM_NATIVE_ARCH} is not selected; lli will not JIT code") 390else () 391 message(STATUS "Native target architecture is ${LLVM_NATIVE_ARCH}") 392 set(LLVM_NATIVE_TARGET LLVMInitialize${LLVM_NATIVE_ARCH}Target) 393 set(LLVM_NATIVE_TARGETINFO LLVMInitialize${LLVM_NATIVE_ARCH}TargetInfo) 394 set(LLVM_NATIVE_TARGETMC LLVMInitialize${LLVM_NATIVE_ARCH}TargetMC) 395 set(LLVM_NATIVE_ASMPRINTER LLVMInitialize${LLVM_NATIVE_ARCH}AsmPrinter) 396 397 # We don't have an ASM parser for all architectures yet. 398 if (EXISTS ${CMAKE_SOURCE_DIR}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/CMakeLists.txt) 399 set(LLVM_NATIVE_ASMPARSER LLVMInitialize${LLVM_NATIVE_ARCH}AsmParser) 400 endif () 401 402 # We don't have an disassembler for all architectures yet. 403 if (EXISTS ${CMAKE_SOURCE_DIR}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/CMakeLists.txt) 404 set(LLVM_NATIVE_DISASSEMBLER LLVMInitialize${LLVM_NATIVE_ARCH}Disassembler) 405 endif () 406endif () 407 408if( MINGW ) 409 set(HAVE_LIBPSAPI 1) 410 set(HAVE_LIBSHELL32 1) 411 # TODO: Check existence of libraries. 412 # include(CheckLibraryExists) 413endif( MINGW ) 414 415if (NOT HAVE_STRTOLL) 416 # Use _strtoi64 if strtoll is not available. 417 check_symbol_exists(_strtoi64 stdlib.h have_strtoi64) 418 if (have_strtoi64) 419 set(HAVE_STRTOLL 1) 420 set(strtoll "_strtoi64") 421 set(strtoull "_strtoui64") 422 endif () 423endif () 424 425if( MSVC ) 426 set(SHLIBEXT ".lib") 427 set(stricmp "_stricmp") 428 set(strdup "_strdup") 429 430 # See if the DIA SDK is available and usable. 431 set(MSVC_DIA_SDK_DIR "$ENV{VSINSTALLDIR}DIA SDK") 432 433 # Due to a bug in MSVC 2013's installation software, it is possible 434 # for MSVC 2013 to write the DIA SDK into the Visual Studio 2012 435 # install directory. If this happens, the installation is corrupt 436 # and there's nothing we can do. It happens with enough frequency 437 # though that we should handle it. We do so by simply checking that 438 # the DIA SDK folder exists. Should this happen you will need to 439 # uninstall VS 2012 and then re-install VS 2013. 440 if (IS_DIRECTORY ${MSVC_DIA_SDK_DIR}) 441 set(HAVE_DIA_SDK 1) 442 else() 443 set(HAVE_DIA_SDK 0) 444 endif() 445else() 446 set(HAVE_DIA_SDK 0) 447endif( MSVC ) 448 449if( PURE_WINDOWS ) 450 CHECK_CXX_SOURCE_COMPILES(" 451 #include <windows.h> 452 #include <imagehlp.h> 453 extern \"C\" void foo(PENUMLOADED_MODULES_CALLBACK); 454 extern \"C\" void foo(BOOL(CALLBACK*)(PCSTR,ULONG_PTR,ULONG,PVOID)); 455 int main(){return 0;}" 456 HAVE_ELMCB_PCSTR) 457 if( HAVE_ELMCB_PCSTR ) 458 set(WIN32_ELMCB_PCSTR "PCSTR") 459 else() 460 set(WIN32_ELMCB_PCSTR "PSTR") 461 endif() 462endif( PURE_WINDOWS ) 463 464# FIXME: Signal handler return type, currently hardcoded to 'void' 465set(RETSIGTYPE void) 466 467if( LLVM_ENABLE_THREADS ) 468 # Check if threading primitives aren't supported on this platform 469 if( NOT HAVE_PTHREAD_H AND NOT WIN32 ) 470 set(LLVM_ENABLE_THREADS 0) 471 endif() 472endif() 473 474if( LLVM_ENABLE_THREADS ) 475 message(STATUS "Threads enabled.") 476else( LLVM_ENABLE_THREADS ) 477 message(STATUS "Threads disabled.") 478endif() 479 480if (LLVM_ENABLE_ZLIB ) 481 # Check if zlib is available in the system. 482 if ( NOT HAVE_ZLIB_H OR NOT HAVE_LIBZ ) 483 set(LLVM_ENABLE_ZLIB 0) 484 endif() 485endif() 486 487set(LLVM_PREFIX ${CMAKE_INSTALL_PREFIX}) 488 489if (LLVM_ENABLE_DOXYGEN) 490 message(STATUS "Doxygen enabled.") 491 find_package(Doxygen REQUIRED) 492 493 if (DOXYGEN_FOUND) 494 # If we find doxygen and we want to enable doxygen by default create a 495 # global aggregate doxygen target for generating llvm and any/all 496 # subprojects doxygen documentation. 497 if (LLVM_BUILD_DOCS) 498 add_custom_target(doxygen ALL) 499 endif() 500 501 option(LLVM_DOXYGEN_EXTERNAL_SEARCH "Enable doxygen external search." OFF) 502 if (LLVM_DOXYGEN_EXTERNAL_SEARCH) 503 set(LLVM_DOXYGEN_SEARCHENGINE_URL "" CACHE STRING "URL to use for external search.") 504 set(LLVM_DOXYGEN_SEARCH_MAPPINGS "" CACHE STRING "Doxygen Search Mappings") 505 endif() 506 endif() 507else() 508 message(STATUS "Doxygen disabled.") 509endif() 510 511if (LLVM_ENABLE_SPHINX) 512 message(STATUS "Sphinx enabled.") 513 find_package(Sphinx REQUIRED) 514 if (LLVM_BUILD_DOCS) 515 add_custom_target(sphinx ALL) 516 endif() 517else() 518 message(STATUS "Sphinx disabled.") 519endif() 520 521set(LLVM_BINDINGS "") 522if(WIN32) 523 message(STATUS "Go bindings disabled.") 524else() 525 find_program(GO_EXECUTABLE NAMES go DOC "go executable") 526 if(GO_EXECUTABLE STREQUAL "GO_EXECUTABLE-NOTFOUND") 527 message(STATUS "Go bindings disabled.") 528 else() 529 execute_process(COMMAND ${GO_EXECUTABLE} run ${CMAKE_SOURCE_DIR}/bindings/go/conftest.go 530 RESULT_VARIABLE GO_CONFTEST) 531 if(GO_CONFTEST STREQUAL "0") 532 set(LLVM_BINDINGS "${LLVM_BINDINGS} go") 533 message(STATUS "Go bindings enabled.") 534 else() 535 message(STATUS "Go bindings disabled, need at least Go 1.2.") 536 endif() 537 endif() 538endif() 539 540find_program(GOLD_EXECUTABLE NAMES ${LLVM_DEFAULT_TARGET_TRIPLE}-ld.gold ld.gold ${LLVM_DEFAULT_TARGET_TRIPLE}-ld ld DOC "The gold linker") 541set(LLVM_BINUTILS_INCDIR "" CACHE PATH 542 "PATH to binutils/include containing plugin-api.h for gold plugin.") 543 544if(APPLE) 545 find_program(LD64_EXECUTABLE NAMES ld DOC "The ld64 linker") 546endif() 547 548include(FindOCaml) 549include(AddOCaml) 550if(WIN32) 551 message(STATUS "OCaml bindings disabled.") 552else() 553 find_package(OCaml) 554 if( NOT OCAML_FOUND ) 555 message(STATUS "OCaml bindings disabled.") 556 else() 557 if( OCAML_VERSION VERSION_LESS "4.00.0" ) 558 message(STATUS "OCaml bindings disabled, need OCaml >=4.00.0.") 559 else() 560 find_ocamlfind_package(ctypes VERSION 0.4 OPTIONAL) 561 if( HAVE_OCAML_CTYPES ) 562 message(STATUS "OCaml bindings enabled.") 563 find_ocamlfind_package(oUnit VERSION 2 OPTIONAL) 564 set(LLVM_BINDINGS "${LLVM_BINDINGS} ocaml") 565 else() 566 message(STATUS "OCaml bindings disabled, need ctypes >=0.4.") 567 endif() 568 endif() 569 endif() 570endif() 571 572string(REPLACE " " ";" LLVM_BINDINGS_LIST "${LLVM_BINDINGS}") 573