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_symbol_exists(isatty unistd.h 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(posix_spawn spawn.h HAVE_POSIX_SPAWN) 130check_symbol_exists(pread unistd.h HAVE_PREAD) 131check_symbol_exists(rindex strings.h HAVE_RINDEX) 132check_symbol_exists(strchr string.h HAVE_STRCHR) 133check_symbol_exists(strcmp string.h HAVE_STRCMP) 134check_symbol_exists(strdup string.h HAVE_STRDUP) 135check_symbol_exists(strrchr string.h HAVE_STRRCHR) 136if( NOT PURE_WINDOWS ) 137 check_symbol_exists(pthread_mutex_lock pthread.h HAVE_PTHREAD_MUTEX_LOCK) 138endif() 139check_symbol_exists(sbrk unistd.h HAVE_SBRK) 140check_symbol_exists(srand48 stdlib.h HAVE_RAND48_SRAND48) 141if( HAVE_RAND48_SRAND48 ) 142 check_symbol_exists(lrand48 stdlib.h HAVE_RAND48_LRAND48) 143 if( HAVE_RAND48_LRAND48 ) 144 check_symbol_exists(drand48 stdlib.h HAVE_RAND48_DRAND48) 145 if( HAVE_RAND48_DRAND48 ) 146 set(HAVE_RAND48 1 CACHE INTERNAL "are srand48/lrand48/drand48 available?") 147 endif() 148 endif() 149endif() 150check_symbol_exists(strtoll stdlib.h HAVE_STRTOLL) 151check_symbol_exists(strtoq stdlib.h HAVE_STRTOQ) 152check_symbol_exists(strerror string.h HAVE_STRERROR) 153check_symbol_exists(strerror_r string.h HAVE_STRERROR_R) 154check_symbol_exists(strerror_s string.h HAVE_DECL_STRERROR_S) 155check_symbol_exists(memcpy string.h HAVE_MEMCPY) 156check_symbol_exists(memmove string.h HAVE_MEMMOVE) 157check_symbol_exists(setenv stdlib.h HAVE_SETENV) 158if( PURE_WINDOWS ) 159 check_symbol_exists(_chsize_s io.h HAVE__CHSIZE_S) 160 161 check_function_exists(_alloca HAVE__ALLOCA) 162 check_function_exists(__alloca HAVE___ALLOCA) 163 check_function_exists(__chkstk HAVE___CHKSTK) 164 check_function_exists(___chkstk HAVE____CHKSTK) 165 166 check_function_exists(__ashldi3 HAVE___ASHLDI3) 167 check_function_exists(__ashrdi3 HAVE___ASHRDI3) 168 check_function_exists(__divdi3 HAVE___DIVDI3) 169 check_function_exists(__fixdfdi HAVE___FIXDFDI) 170 check_function_exists(__fixsfdi HAVE___FIXSFDI) 171 check_function_exists(__floatdidf HAVE___FLOATDIDF) 172 check_function_exists(__lshrdi3 HAVE___LSHRDI3) 173 check_function_exists(__moddi3 HAVE___MODDI3) 174 check_function_exists(__udivdi3 HAVE___UDIVDI3) 175 check_function_exists(__umoddi3 HAVE___UMODDI3) 176 177 check_function_exists(__main HAVE___MAIN) 178 check_function_exists(__cmpdi2 HAVE___CMPDI2) 179endif() 180if( HAVE_ARGZ_H ) 181 check_symbol_exists(argz_append argz.h HAVE_ARGZ_APPEND) 182 check_symbol_exists(argz_create_sep argz.h HAVE_ARGZ_CREATE_SEP) 183 check_symbol_exists(argz_insert argz.h HAVE_ARGZ_INSERT) 184 check_symbol_exists(argz_next argz.h HAVE_ARGZ_NEXT) 185 check_symbol_exists(argz_stringify argz.h HAVE_ARGZ_STRINGIFY) 186endif() 187if( HAVE_DLFCN_H ) 188 if( HAVE_LIBDL ) 189 list(APPEND CMAKE_REQUIRED_LIBRARIES dl) 190 endif() 191 check_symbol_exists(dlerror dlfcn.h HAVE_DLERROR) 192 check_symbol_exists(dlopen dlfcn.h HAVE_DLOPEN) 193 if( HAVE_LIBDL ) 194 list(REMOVE_ITEM CMAKE_REQUIRED_LIBRARIES dl) 195 endif() 196endif() 197 198check_symbol_exists(__GLIBC__ stdio.h LLVM_USING_GLIBC) 199if( LLVM_USING_GLIBC ) 200 add_llvm_definitions( -D_GNU_SOURCE ) 201endif() 202 203set(headers "") 204if (HAVE_SYS_TYPES_H) 205 set(headers ${headers} "sys/types.h") 206endif() 207 208if (HAVE_INTTYPES_H) 209 set(headers ${headers} "inttypes.h") 210endif() 211 212if (HAVE_STDINT_H) 213 set(headers ${headers} "stdint.h") 214endif() 215 216check_type_exists(int64_t "${headers}" HAVE_INT64_T) 217check_type_exists(uint64_t "${headers}" HAVE_UINT64_T) 218check_type_exists(u_int64_t "${headers}" HAVE_U_INT64_T) 219check_type_exists(error_t errno.h HAVE_ERROR_T) 220 221# available programs checks 222function(llvm_find_program name) 223 string(TOUPPER ${name} NAME) 224 string(REGEX REPLACE "\\." "_" NAME ${NAME}) 225 find_program(LLVM_PATH_${NAME} ${name}) 226 mark_as_advanced(LLVM_PATH_${NAME}) 227 if(LLVM_PATH_${NAME}) 228 set(HAVE_${NAME} 1 CACHE INTERNAL "Is ${name} available ?") 229 mark_as_advanced(HAVE_${NAME}) 230 else(LLVM_PATH_${NAME}) 231 set(HAVE_${NAME} "" CACHE INTERNAL "Is ${name} available ?") 232 endif(LLVM_PATH_${NAME}) 233endfunction() 234 235llvm_find_program(gv) 236llvm_find_program(circo) 237llvm_find_program(twopi) 238llvm_find_program(neato) 239llvm_find_program(fdp) 240llvm_find_program(dot) 241llvm_find_program(dotty) 242llvm_find_program(xdot.py) 243 244if( LLVM_ENABLE_FFI ) 245 find_path(FFI_INCLUDE_PATH ffi.h PATHS ${FFI_INCLUDE_DIR}) 246 if( FFI_INCLUDE_PATH ) 247 set(FFI_HEADER ffi.h CACHE INTERNAL "") 248 set(HAVE_FFI_H 1 CACHE INTERNAL "") 249 else() 250 find_path(FFI_INCLUDE_PATH ffi/ffi.h PATHS ${FFI_INCLUDE_DIR}) 251 if( FFI_INCLUDE_PATH ) 252 set(FFI_HEADER ffi/ffi.h CACHE INTERNAL "") 253 set(HAVE_FFI_FFI_H 1 CACHE INTERNAL "") 254 endif() 255 endif() 256 257 if( NOT FFI_HEADER ) 258 message(FATAL_ERROR "libffi includes are not found.") 259 endif() 260 261 find_library(FFI_LIBRARY_PATH ffi PATHS ${FFI_LIBRARY_DIR}) 262 if( NOT FFI_LIBRARY_PATH ) 263 message(FATAL_ERROR "libffi is not found.") 264 endif() 265 266 list(APPEND CMAKE_REQUIRED_LIBRARIES ${FFI_LIBRARY_PATH}) 267 list(APPEND CMAKE_REQUIRED_INCLUDES ${FFI_INCLUDE_PATH}) 268 check_symbol_exists(ffi_call ${FFI_HEADER} HAVE_FFI_CALL) 269 list(REMOVE_ITEM CMAKE_REQUIRED_INCLUDES ${FFI_INCLUDE_PATH}) 270 list(REMOVE_ITEM CMAKE_REQUIRED_LIBRARIES ${FFI_LIBRARY_PATH}) 271else() 272 unset(HAVE_FFI_FFI_H CACHE) 273 unset(HAVE_FFI_H CACHE) 274 unset(HAVE_FFI_CALL CACHE) 275endif( LLVM_ENABLE_FFI ) 276 277# Define LLVM_HAS_ATOMICS if gcc or MSVC atomic builtins are supported. 278include(CheckAtomic) 279 280if( LLVM_ENABLE_PIC ) 281 set(ENABLE_PIC 1) 282else() 283 set(ENABLE_PIC 0) 284endif() 285 286include(CheckCXXCompilerFlag) 287 288check_cxx_compiler_flag("-Wno-variadic-macros" SUPPORTS_NO_VARIADIC_MACROS_FLAG) 289 290include(GetHostTriple) 291get_host_triple(LLVM_HOST_TRIPLE) 292 293# By default, we target the host, but this can be overridden at CMake 294# invocation time. 295set(LLVM_DEFAULT_TARGET_TRIPLE "${LLVM_HOST_TRIPLE}") 296set(TARGET_TRIPLE "${LLVM_DEFAULT_TARGET_TRIPLE}") 297 298# Determine the native architecture. 299string(TOLOWER "${LLVM_TARGET_ARCH}" LLVM_NATIVE_ARCH) 300if( LLVM_NATIVE_ARCH STREQUAL "host" ) 301 string(REGEX MATCH "^[^-]*" LLVM_NATIVE_ARCH ${LLVM_HOST_TRIPLE}) 302endif () 303 304if (LLVM_NATIVE_ARCH MATCHES "i[2-6]86") 305 set(LLVM_NATIVE_ARCH X86) 306elseif (LLVM_NATIVE_ARCH STREQUAL "x86") 307 set(LLVM_NATIVE_ARCH X86) 308elseif (LLVM_NATIVE_ARCH STREQUAL "amd64") 309 set(LLVM_NATIVE_ARCH X86) 310elseif (LLVM_NATIVE_ARCH STREQUAL "x86_64") 311 set(LLVM_NATIVE_ARCH X86) 312elseif (LLVM_NATIVE_ARCH MATCHES "sparc") 313 set(LLVM_NATIVE_ARCH Sparc) 314elseif (LLVM_NATIVE_ARCH MATCHES "powerpc") 315 set(LLVM_NATIVE_ARCH PowerPC) 316elseif (LLVM_NATIVE_ARCH MATCHES "arm") 317 set(LLVM_NATIVE_ARCH ARM) 318elseif (LLVM_NATIVE_ARCH MATCHES "mips") 319 set(LLVM_NATIVE_ARCH Mips) 320elseif (LLVM_NATIVE_ARCH MATCHES "xcore") 321 set(LLVM_NATIVE_ARCH XCore) 322elseif (LLVM_NATIVE_ARCH MATCHES "msp430") 323 set(LLVM_NATIVE_ARCH MSP430) 324else () 325 message(FATAL_ERROR "Unknown architecture ${LLVM_NATIVE_ARCH}") 326endif () 327 328list(FIND LLVM_TARGETS_TO_BUILD ${LLVM_NATIVE_ARCH} NATIVE_ARCH_IDX) 329if (NATIVE_ARCH_IDX EQUAL -1) 330 message(STATUS 331 "Native target ${LLVM_NATIVE_ARCH} is not selected; lli will not JIT code") 332else () 333 message(STATUS "Native target architecture is ${LLVM_NATIVE_ARCH}") 334 set(LLVM_NATIVE_TARGET LLVMInitialize${LLVM_NATIVE_ARCH}Target) 335 set(LLVM_NATIVE_TARGETINFO LLVMInitialize${LLVM_NATIVE_ARCH}TargetInfo) 336 set(LLVM_NATIVE_TARGETMC LLVMInitialize${LLVM_NATIVE_ARCH}TargetMC) 337 set(LLVM_NATIVE_ASMPRINTER LLVMInitialize${LLVM_NATIVE_ARCH}AsmPrinter) 338 339 # We don't have an ASM parser for all architectures yet. 340 if (EXISTS ${CMAKE_SOURCE_DIR}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/CMakeLists.txt) 341 set(LLVM_NATIVE_ASMPARSER LLVMInitialize${LLVM_NATIVE_ARCH}AsmParser) 342 endif () 343 344 # We don't have an disassembler for all architectures yet. 345 if (EXISTS ${CMAKE_SOURCE_DIR}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/CMakeLists.txt) 346 set(LLVM_NATIVE_DISASSEMBLER LLVMInitialize${LLVM_NATIVE_ARCH}Disassembler) 347 endif () 348endif () 349 350if( MINGW ) 351 set(HAVE_LIBIMAGEHLP 1) 352 set(HAVE_LIBPSAPI 1) 353 # TODO: Check existence of libraries. 354 # include(CheckLibraryExists) 355 # CHECK_LIBRARY_EXISTS(imagehlp ??? . HAVE_LIBIMAGEHLP) 356endif( MINGW ) 357 358if( MSVC ) 359 set(error_t int) 360 set(LTDL_SHLIBPATH_VAR "PATH") 361 set(LTDL_SYSSEARCHPATH "") 362 set(LTDL_DLOPEN_DEPLIBS 1) 363 set(SHLIBEXT ".lib") 364 set(LTDL_OBJDIR "_libs") 365 set(HAVE_STRTOLL 1) 366 set(strtoll "_strtoi64") 367 set(strtoull "_strtoui64") 368 set(stricmp "_stricmp") 369 set(strdup "_strdup") 370else( MSVC ) 371 set(LTDL_SHLIBPATH_VAR "LD_LIBRARY_PATH") 372 set(LTDL_SYSSEARCHPATH "") # TODO 373 set(LTDL_DLOPEN_DEPLIBS 0) # TODO 374endif( MSVC ) 375 376if( PURE_WINDOWS ) 377 CHECK_CXX_SOURCE_COMPILES(" 378 #include <windows.h> 379 #include <imagehlp.h> 380 extern \"C\" void foo(PENUMLOADED_MODULES_CALLBACK); 381 extern \"C\" void foo(BOOL(CALLBACK*)(PCSTR,ULONG_PTR,ULONG,PVOID)); 382 int main(){return 0;}" 383 HAVE_ELMCB_PCSTR) 384 if( HAVE_ELMCB_PCSTR ) 385 set(WIN32_ELMCB_PCSTR "PCSTR") 386 else() 387 set(WIN32_ELMCB_PCSTR "PSTR") 388 endif() 389endif( PURE_WINDOWS ) 390 391# FIXME: Signal handler return type, currently hardcoded to 'void' 392set(RETSIGTYPE void) 393 394if( LLVM_ENABLE_THREADS ) 395 # Check if threading primitives aren't supported on this platform 396 if( NOT HAVE_PTHREAD_H AND NOT WIN32 ) 397 set(LLVM_ENABLE_THREADS 0) 398 endif() 399endif() 400 401if( LLVM_ENABLE_THREADS ) 402 message(STATUS "Threads enabled.") 403else( LLVM_ENABLE_THREADS ) 404 message(STATUS "Threads disabled.") 405endif() 406 407set(LLVM_PREFIX ${CMAKE_INSTALL_PREFIX}) 408