1if( WIN32 AND NOT CYGWIN ) 2 # We consider Cygwin as another Unix 3 set(PURE_WINDOWS 1) 4endif() 5 6include(CheckIncludeFile) 7include(CheckLibraryExists) 8include(CheckSymbolExists) 9include(CheckFunctionExists) 10include(CheckCXXSourceCompiles) 11include(TestBigEndian) 12 13if( UNIX AND NOT BEOS ) 14 # Used by check_symbol_exists: 15 set(CMAKE_REQUIRED_LIBRARIES m) 16endif() 17 18# Helper macros and functions 19macro(add_cxx_include result files) 20 set(${result} "") 21 foreach (file_name ${files}) 22 set(${result} "${${result}}#include<${file_name}>\n") 23 endforeach() 24endmacro(add_cxx_include files result) 25 26function(check_type_exists type files variable) 27 add_cxx_include(includes "${files}") 28 CHECK_CXX_SOURCE_COMPILES(" 29 ${includes} ${type} typeVar; 30 int main() { 31 return 0; 32 } 33 " ${variable}) 34endfunction() 35 36# include checks 37check_include_file(argz.h HAVE_ARGZ_H) 38check_include_file(assert.h HAVE_ASSERT_H) 39check_include_file(ctype.h HAVE_CTYPE_H) 40check_include_file(dirent.h HAVE_DIRENT_H) 41check_include_file(dl.h HAVE_DL_H) 42check_include_file(dld.h HAVE_DLD_H) 43check_include_file(dlfcn.h HAVE_DLFCN_H) 44check_include_file(errno.h HAVE_ERRNO_H) 45check_include_file(execinfo.h HAVE_EXECINFO_H) 46check_include_file(fcntl.h HAVE_FCNTL_H) 47check_include_file(inttypes.h HAVE_INTTYPES_H) 48check_include_file(limits.h HAVE_LIMITS_H) 49check_include_file(link.h HAVE_LINK_H) 50check_include_file(malloc.h HAVE_MALLOC_H) 51check_include_file(malloc/malloc.h HAVE_MALLOC_MALLOC_H) 52check_include_file(memory.h HAVE_MEMORY_H) 53check_include_file(ndir.h HAVE_NDIR_H) 54if( NOT PURE_WINDOWS ) 55 check_include_file(pthread.h HAVE_PTHREAD_H) 56endif() 57check_include_file(setjmp.h HAVE_SETJMP_H) 58check_include_file(signal.h HAVE_SIGNAL_H) 59check_include_file(stdint.h HAVE_STDINT_H) 60check_include_file(stdio.h HAVE_STDIO_H) 61check_include_file(stdlib.h HAVE_STDLIB_H) 62check_include_file(string.h HAVE_STRING_H) 63check_include_file(strings.h HAVE_STRINGS_H) 64check_include_file(sys/dir.h HAVE_SYS_DIR_H) 65check_include_file(sys/dl.h HAVE_SYS_DL_H) 66check_include_file(sys/ioctl.h HAVE_SYS_IOCTL_H) 67check_include_file(sys/mman.h HAVE_SYS_MMAN_H) 68check_include_file(sys/ndir.h HAVE_SYS_NDIR_H) 69check_include_file(sys/param.h HAVE_SYS_PARAM_H) 70check_include_file(sys/resource.h HAVE_SYS_RESOURCE_H) 71check_include_file(sys/stat.h HAVE_SYS_STAT_H) 72check_include_file(sys/time.h HAVE_SYS_TIME_H) 73check_include_file(sys/types.h HAVE_SYS_TYPES_H) 74check_include_file(sys/uio.h HAVE_SYS_UIO_H) 75check_include_file(sys/wait.h HAVE_SYS_WAIT_H) 76check_include_file(termios.h HAVE_TERMIOS_H) 77check_include_file(unistd.h HAVE_UNISTD_H) 78check_include_file(utime.h HAVE_UTIME_H) 79check_include_file(valgrind/valgrind.h HAVE_VALGRIND_VALGRIND_H) 80check_include_file(windows.h HAVE_WINDOWS_H) 81check_include_file(fenv.h HAVE_FENV_H) 82check_include_file(mach/mach.h HAVE_MACH_MACH_H) 83check_include_file(mach-o/dyld.h HAVE_MACH_O_DYLD_H) 84 85# library checks 86if( NOT PURE_WINDOWS ) 87 check_library_exists(pthread pthread_create "" HAVE_LIBPTHREAD) 88 check_library_exists(pthread pthread_getspecific "" HAVE_PTHREAD_GETSPECIFIC) 89 check_library_exists(pthread pthread_rwlock_init "" HAVE_PTHREAD_RWLOCK_INIT) 90 check_library_exists(dl dlopen "" HAVE_LIBDL) 91endif() 92 93# function checks 94check_symbol_exists(getpagesize unistd.h HAVE_GETPAGESIZE) 95check_symbol_exists(getrusage sys/resource.h HAVE_GETRUSAGE) 96check_symbol_exists(setrlimit sys/resource.h HAVE_SETRLIMIT) 97check_function_exists(isatty HAVE_ISATTY) 98check_symbol_exists(index strings.h HAVE_INDEX) 99check_symbol_exists(isinf cmath HAVE_ISINF_IN_CMATH) 100check_symbol_exists(isinf math.h HAVE_ISINF_IN_MATH_H) 101check_symbol_exists(finite ieeefp.h HAVE_FINITE_IN_IEEEFP_H) 102check_symbol_exists(isnan cmath HAVE_ISNAN_IN_CMATH) 103check_symbol_exists(isnan math.h HAVE_ISNAN_IN_MATH_H) 104check_symbol_exists(ceilf math.h HAVE_CEILF) 105check_symbol_exists(floorf math.h HAVE_FLOORF) 106check_symbol_exists(fmodf math.h HAVE_FMODF) 107if( HAVE_SETJMP_H ) 108 check_symbol_exists(longjmp setjmp.h HAVE_LONGJMP) 109 check_symbol_exists(setjmp setjmp.h HAVE_SETJMP) 110 check_symbol_exists(siglongjmp setjmp.h HAVE_SIGLONGJMP) 111 check_symbol_exists(sigsetjmp setjmp.h HAVE_SIGSETJMP) 112endif() 113if( HAVE_SYS_UIO_H ) 114 check_symbol_exists(writev sys/uio.h HAVE_WRITEV) 115endif() 116check_symbol_exists(nearbyintf math.h HAVE_NEARBYINTF) 117check_symbol_exists(mallinfo malloc.h HAVE_MALLINFO) 118check_symbol_exists(malloc_zone_statistics malloc/malloc.h 119 HAVE_MALLOC_ZONE_STATISTICS) 120check_symbol_exists(mkdtemp "stdlib.h;unistd.h" HAVE_MKDTEMP) 121check_symbol_exists(mkstemp "stdlib.h;unistd.h" HAVE_MKSTEMP) 122check_symbol_exists(mktemp "stdlib.h;unistd.h" HAVE_MKTEMP) 123check_symbol_exists(closedir "sys/types.h;dirent.h" HAVE_CLOSEDIR) 124check_symbol_exists(opendir "sys/types.h;dirent.h" HAVE_OPENDIR) 125check_symbol_exists(readdir "sys/types.h;dirent.h" HAVE_READDIR) 126check_symbol_exists(getcwd unistd.h HAVE_GETCWD) 127check_symbol_exists(gettimeofday sys/time.h HAVE_GETTIMEOFDAY) 128check_symbol_exists(getrlimit "sys/types.h;sys/time.h;sys/resource.h" HAVE_GETRLIMIT) 129check_symbol_exists(rindex strings.h HAVE_RINDEX) 130check_symbol_exists(strchr string.h HAVE_STRCHR) 131check_symbol_exists(strcmp string.h HAVE_STRCMP) 132check_symbol_exists(strdup string.h HAVE_STRDUP) 133check_symbol_exists(strrchr string.h HAVE_STRRCHR) 134if( NOT PURE_WINDOWS ) 135 check_symbol_exists(pthread_mutex_lock pthread.h HAVE_PTHREAD_MUTEX_LOCK) 136endif() 137check_symbol_exists(sbrk unistd.h HAVE_SBRK) 138check_symbol_exists(srand48 stdlib.h HAVE_RAND48_SRAND48) 139if( HAVE_RAND48_SRAND48 ) 140 check_symbol_exists(lrand48 stdlib.h HAVE_RAND48_LRAND48) 141 if( HAVE_RAND48_LRAND48 ) 142 check_symbol_exists(drand48 stdlib.h HAVE_RAND48_DRAND48) 143 if( HAVE_RAND48_DRAND48 ) 144 set(HAVE_RAND48 1 CACHE INTERNAL "are srand48/lrand48/drand48 available?") 145 endif() 146 endif() 147endif() 148check_symbol_exists(strtoll stdlib.h HAVE_STRTOLL) 149check_symbol_exists(strtoq stdlib.h HAVE_STRTOQ) 150check_symbol_exists(strerror string.h HAVE_STRERROR) 151check_symbol_exists(strerror_r string.h HAVE_STRERROR_R) 152check_symbol_exists(strerror_s string.h HAVE_DECL_STRERROR_S) 153check_symbol_exists(memcpy string.h HAVE_MEMCPY) 154check_symbol_exists(memmove string.h HAVE_MEMMOVE) 155check_symbol_exists(setenv stdlib.h HAVE_SETENV) 156if( PURE_WINDOWS ) 157 check_symbol_exists(_chsize_s io.h HAVE__CHSIZE_S) 158 159 check_function_exists(_alloca HAVE__ALLOCA) 160 check_function_exists(__alloca HAVE___ALLOCA) 161 check_function_exists(__chkstk HAVE___CHKSTK) 162 check_function_exists(___chkstk HAVE____CHKSTK) 163 164 check_function_exists(__ashldi3 HAVE___ASHLDI3) 165 check_function_exists(__ashrdi3 HAVE___ASHRDI3) 166 check_function_exists(__divdi3 HAVE___DIVDI3) 167 check_function_exists(__fixdfdi HAVE___FIXDFDI) 168 check_function_exists(__fixsfdi HAVE___FIXSFDI) 169 check_function_exists(__floatdidf HAVE___FLOATDIDF) 170 check_function_exists(__lshrdi3 HAVE___LSHRDI3) 171 check_function_exists(__moddi3 HAVE___MODDI3) 172 check_function_exists(__udivdi3 HAVE___UDIVDI3) 173 check_function_exists(__umoddi3 HAVE___UMODDI3) 174 175 check_function_exists(__main HAVE___MAIN) 176 check_function_exists(__cmpdi2 HAVE___CMPDI2) 177endif() 178if( HAVE_ARGZ_H ) 179 check_symbol_exists(argz_append argz.h HAVE_ARGZ_APPEND) 180 check_symbol_exists(argz_create_sep argz.h HAVE_ARGZ_CREATE_SEP) 181 check_symbol_exists(argz_insert argz.h HAVE_ARGZ_INSERT) 182 check_symbol_exists(argz_next argz.h HAVE_ARGZ_NEXT) 183 check_symbol_exists(argz_stringify argz.h HAVE_ARGZ_STRINGIFY) 184endif() 185if( HAVE_DLFCN_H ) 186 if( HAVE_LIBDL ) 187 list(APPEND CMAKE_REQUIRED_LIBRARIES dl) 188 endif() 189 check_symbol_exists(dlerror dlfcn.h HAVE_DLERROR) 190 check_symbol_exists(dlopen dlfcn.h HAVE_DLOPEN) 191 if( HAVE_LIBDL ) 192 list(REMOVE_ITEM CMAKE_REQUIRED_LIBRARIES dl) 193 endif() 194endif() 195 196check_symbol_exists(__GLIBC__ stdio.h LLVM_USING_GLIBC) 197if( LLVM_USING_GLIBC ) 198 add_llvm_definitions( -D_GNU_SOURCE ) 199endif() 200 201set(headers "") 202if (HAVE_SYS_TYPES_H) 203 set(headers ${headers} "sys/types.h") 204endif() 205 206if (HAVE_INTTYPES_H) 207 set(headers ${headers} "inttypes.h") 208endif() 209 210if (HAVE_STDINT_H) 211 set(headers ${headers} "stdint.h") 212endif() 213 214check_type_exists(int64_t "${headers}" HAVE_INT64_T) 215check_type_exists(uint64_t "${headers}" HAVE_UINT64_T) 216check_type_exists(u_int64_t "${headers}" HAVE_U_INT64_T) 217check_type_exists(error_t errno.h HAVE_ERROR_T) 218 219# available programs checks 220function(llvm_find_program name) 221 string(TOUPPER ${name} NAME) 222 string(REGEX REPLACE "\\." "_" NAME ${NAME}) 223 find_program(LLVM_PATH_${NAME} ${name}) 224 mark_as_advanced(LLVM_PATH_${NAME}) 225 if(LLVM_PATH_${NAME}) 226 set(HAVE_${NAME} 1 CACHE INTERNAL "Is ${name} available ?") 227 mark_as_advanced(HAVE_${NAME}) 228 else(LLVM_PATH_${NAME}) 229 set(HAVE_${NAME} "" CACHE INTERNAL "Is ${name} available ?") 230 endif(LLVM_PATH_${NAME}) 231endfunction() 232 233llvm_find_program(gv) 234llvm_find_program(circo) 235llvm_find_program(twopi) 236llvm_find_program(neato) 237llvm_find_program(fdp) 238llvm_find_program(dot) 239llvm_find_program(dotty) 240llvm_find_program(xdot.py) 241 242if( LLVM_ENABLE_FFI ) 243 find_path(FFI_INCLUDE_PATH ffi.h PATHS ${FFI_INCLUDE_DIR}) 244 if( FFI_INCLUDE_PATH ) 245 set(FFI_HEADER ffi.h CACHE INTERNAL "") 246 set(HAVE_FFI_H 1 CACHE INTERNAL "") 247 else() 248 find_path(FFI_INCLUDE_PATH ffi/ffi.h PATHS ${FFI_INCLUDE_DIR}) 249 if( FFI_INCLUDE_PATH ) 250 set(FFI_HEADER ffi/ffi.h CACHE INTERNAL "") 251 set(HAVE_FFI_FFI_H 1 CACHE INTERNAL "") 252 endif() 253 endif() 254 255 if( NOT FFI_HEADER ) 256 message(FATAL_ERROR "libffi includes are not found.") 257 endif() 258 259 find_library(FFI_LIBRARY_PATH ffi PATHS ${FFI_LIBRARY_DIR}) 260 if( NOT FFI_LIBRARY_PATH ) 261 message(FATAL_ERROR "libffi is not found.") 262 endif() 263 264 list(APPEND CMAKE_REQUIRED_LIBRARIES ${FFI_LIBRARY_PATH}) 265 list(APPEND CMAKE_REQUIRED_INCLUDES ${FFI_INCLUDE_PATH}) 266 check_symbol_exists(ffi_call ${FFI_HEADER} HAVE_FFI_CALL) 267 list(REMOVE_ITEM CMAKE_REQUIRED_INCLUDES ${FFI_INCLUDE_PATH}) 268 list(REMOVE_ITEM CMAKE_REQUIRED_LIBRARIES ${FFI_LIBRARY_PATH}) 269else() 270 unset(HAVE_FFI_FFI_H CACHE) 271 unset(HAVE_FFI_H CACHE) 272 unset(HAVE_FFI_CALL CACHE) 273endif( LLVM_ENABLE_FFI ) 274 275# Define LLVM_HAS_ATOMICS if gcc or MSVC atomic builtins are supported. 276include(CheckAtomic) 277 278if( LLVM_ENABLE_PIC ) 279 set(ENABLE_PIC 1) 280else() 281 set(ENABLE_PIC 0) 282endif() 283 284include(CheckCXXCompilerFlag) 285 286check_cxx_compiler_flag("-Wno-variadic-macros" SUPPORTS_NO_VARIADIC_MACROS_FLAG) 287 288include(GetTargetTriple) 289get_target_triple(LLVM_HOSTTRIPLE) 290 291# FIXME: We don't distinguish the target and the host. :( 292set(TARGET_TRIPLE "${LLVM_HOSTTRIPLE}") 293 294# Determine the native architecture. 295string(TOLOWER "${LLVM_TARGET_ARCH}" LLVM_NATIVE_ARCH) 296if( LLVM_NATIVE_ARCH STREQUAL "host" ) 297 string(REGEX MATCH "^[^-]*" LLVM_NATIVE_ARCH ${LLVM_HOSTTRIPLE}) 298endif () 299 300if (LLVM_NATIVE_ARCH MATCHES "i[2-6]86") 301 set(LLVM_NATIVE_ARCH X86) 302elseif (LLVM_NATIVE_ARCH STREQUAL "x86") 303 set(LLVM_NATIVE_ARCH X86) 304elseif (LLVM_NATIVE_ARCH STREQUAL "amd64") 305 set(LLVM_NATIVE_ARCH X86) 306elseif (LLVM_NATIVE_ARCH STREQUAL "x86_64") 307 set(LLVM_NATIVE_ARCH X86) 308elseif (LLVM_NATIVE_ARCH MATCHES "sparc") 309 set(LLVM_NATIVE_ARCH Sparc) 310elseif (LLVM_NATIVE_ARCH MATCHES "powerpc") 311 set(LLVM_NATIVE_ARCH PowerPC) 312elseif (LLVM_NATIVE_ARCH MATCHES "alpha") 313 set(LLVM_NATIVE_ARCH Alpha) 314elseif (LLVM_NATIVE_ARCH MATCHES "arm") 315 set(LLVM_NATIVE_ARCH ARM) 316elseif (LLVM_NATIVE_ARCH MATCHES "mips") 317 set(LLVM_NATIVE_ARCH Mips) 318elseif (LLVM_NATIVE_ARCH MATCHES "xcore") 319 set(LLVM_NATIVE_ARCH XCore) 320elseif (LLVM_NATIVE_ARCH MATCHES "msp430") 321 set(LLVM_NATIVE_ARCH MSP430) 322else () 323 message(FATAL_ERROR "Unknown architecture ${LLVM_NATIVE_ARCH}") 324endif () 325 326list(FIND LLVM_TARGETS_TO_BUILD ${LLVM_NATIVE_ARCH} NATIVE_ARCH_IDX) 327if (NATIVE_ARCH_IDX EQUAL -1) 328 message(STATUS 329 "Native target ${LLVM_NATIVE_ARCH} is not selected; lli will not JIT code") 330else () 331 message(STATUS "Native target architecture is ${LLVM_NATIVE_ARCH}") 332 set(LLVM_NATIVE_TARGET LLVMInitialize${LLVM_NATIVE_ARCH}Target) 333 set(LLVM_NATIVE_TARGETINFO LLVMInitialize${LLVM_NATIVE_ARCH}TargetInfo) 334 set(LLVM_NATIVE_TARGETMC LLVMInitialize${LLVM_NATIVE_ARCH}TargetMC) 335 set(LLVM_NATIVE_ASMPRINTER LLVMInitialize${LLVM_NATIVE_ARCH}AsmPrinter) 336endif () 337 338if( MINGW ) 339 set(HAVE_LIBIMAGEHLP 1) 340 set(HAVE_LIBPSAPI 1) 341 # TODO: Check existence of libraries. 342 # include(CheckLibraryExists) 343 # CHECK_LIBRARY_EXISTS(imagehlp ??? . HAVE_LIBIMAGEHLP) 344endif( MINGW ) 345 346if( MSVC ) 347 set(error_t int) 348 set(LTDL_SHLIBPATH_VAR "PATH") 349 set(LTDL_SYSSEARCHPATH "") 350 set(LTDL_DLOPEN_DEPLIBS 1) 351 set(SHLIBEXT ".lib") 352 set(LTDL_OBJDIR "_libs") 353 set(HAVE_STRTOLL 1) 354 set(strtoll "_strtoi64") 355 set(strtoull "_strtoui64") 356 set(stricmp "_stricmp") 357 set(strdup "_strdup") 358else( MSVC ) 359 set(LTDL_SHLIBPATH_VAR "LD_LIBRARY_PATH") 360 set(LTDL_SYSSEARCHPATH "") # TODO 361 set(LTDL_DLOPEN_DEPLIBS 0) # TODO 362endif( MSVC ) 363 364if( PURE_WINDOWS ) 365 CHECK_CXX_SOURCE_COMPILES(" 366 #include <windows.h> 367 #include <imagehlp.h> 368 extern \"C\" void foo(PENUMLOADED_MODULES_CALLBACK); 369 extern \"C\" void foo(BOOL(CALLBACK*)(PCSTR,ULONG_PTR,ULONG,PVOID)); 370 int main(){return 0;}" 371 HAVE_ELMCB_PCSTR) 372 if( HAVE_ELMCB_PCSTR ) 373 set(WIN32_ELMCB_PCSTR "PCSTR") 374 else() 375 set(WIN32_ELMCB_PCSTR "PSTR") 376 endif() 377endif( PURE_WINDOWS ) 378 379# FIXME: Signal handler return type, currently hardcoded to 'void' 380set(RETSIGTYPE void) 381 382if( LLVM_ENABLE_THREADS ) 383 if( HAVE_PTHREAD_H OR WIN32 ) 384 set(ENABLE_THREADS 1) 385 endif() 386endif() 387 388if( ENABLE_THREADS ) 389 message(STATUS "Threads enabled.") 390else( ENABLE_THREADS ) 391 message(STATUS "Threads disabled.") 392endif() 393 394set(LLVM_PREFIX ${CMAKE_INSTALL_PREFIX}) 395