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 if (HAVE_LIBPTHREAD) 89 check_library_exists(pthread pthread_getspecific "" HAVE_PTHREAD_GETSPECIFIC) 90 check_library_exists(pthread pthread_rwlock_init "" HAVE_PTHREAD_RWLOCK_INIT) 91 check_library_exists(pthread pthread_mutex_lock "" HAVE_PTHREAD_MUTEX_LOCK) 92 else() 93 # this could be Android 94 check_library_exists(c pthread_create "" PTHREAD_IN_LIBC) 95 if (PTHREAD_IN_LIBC) 96 check_library_exists(c pthread_getspecific "" HAVE_PTHREAD_GETSPECIFIC) 97 check_library_exists(c pthread_rwlock_init "" HAVE_PTHREAD_RWLOCK_INIT) 98 check_library_exists(c pthread_mutex_lock "" HAVE_PTHREAD_MUTEX_LOCK) 99 endif() 100 endif() 101 check_library_exists(dl dlopen "" HAVE_LIBDL) 102endif() 103 104# function checks 105check_symbol_exists(arc4random "stdlib.h" HAVE_ARC4RANDOM) 106check_symbol_exists(backtrace "execinfo.h" HAVE_BACKTRACE) 107check_symbol_exists(getpagesize unistd.h HAVE_GETPAGESIZE) 108check_symbol_exists(getrusage sys/resource.h HAVE_GETRUSAGE) 109check_symbol_exists(setrlimit sys/resource.h HAVE_SETRLIMIT) 110check_symbol_exists(isatty unistd.h HAVE_ISATTY) 111check_symbol_exists(index strings.h HAVE_INDEX) 112check_symbol_exists(isinf cmath HAVE_ISINF_IN_CMATH) 113check_symbol_exists(isinf math.h HAVE_ISINF_IN_MATH_H) 114check_symbol_exists(finite ieeefp.h HAVE_FINITE_IN_IEEEFP_H) 115check_symbol_exists(isnan cmath HAVE_ISNAN_IN_CMATH) 116check_symbol_exists(isnan math.h HAVE_ISNAN_IN_MATH_H) 117check_symbol_exists(ceilf math.h HAVE_CEILF) 118check_symbol_exists(floorf math.h HAVE_FLOORF) 119check_symbol_exists(fmodf math.h HAVE_FMODF) 120if( HAVE_SETJMP_H ) 121 check_symbol_exists(longjmp setjmp.h HAVE_LONGJMP) 122 check_symbol_exists(setjmp setjmp.h HAVE_SETJMP) 123 check_symbol_exists(siglongjmp setjmp.h HAVE_SIGLONGJMP) 124 check_symbol_exists(sigsetjmp setjmp.h HAVE_SIGSETJMP) 125endif() 126if( HAVE_SYS_UIO_H ) 127 check_symbol_exists(writev sys/uio.h HAVE_WRITEV) 128endif() 129check_symbol_exists(nearbyintf math.h HAVE_NEARBYINTF) 130check_symbol_exists(mallinfo malloc.h HAVE_MALLINFO) 131check_symbol_exists(malloc_zone_statistics malloc/malloc.h 132 HAVE_MALLOC_ZONE_STATISTICS) 133check_symbol_exists(mkdtemp "stdlib.h;unistd.h" HAVE_MKDTEMP) 134check_symbol_exists(mkstemp "stdlib.h;unistd.h" HAVE_MKSTEMP) 135check_symbol_exists(mktemp "stdlib.h;unistd.h" HAVE_MKTEMP) 136check_symbol_exists(closedir "sys/types.h;dirent.h" HAVE_CLOSEDIR) 137check_symbol_exists(opendir "sys/types.h;dirent.h" HAVE_OPENDIR) 138check_symbol_exists(readdir "sys/types.h;dirent.h" HAVE_READDIR) 139check_symbol_exists(getcwd unistd.h HAVE_GETCWD) 140check_symbol_exists(gettimeofday sys/time.h HAVE_GETTIMEOFDAY) 141check_symbol_exists(getrlimit "sys/types.h;sys/time.h;sys/resource.h" HAVE_GETRLIMIT) 142check_symbol_exists(posix_spawn spawn.h HAVE_POSIX_SPAWN) 143check_symbol_exists(pread unistd.h HAVE_PREAD) 144check_symbol_exists(rindex strings.h HAVE_RINDEX) 145check_symbol_exists(strchr string.h HAVE_STRCHR) 146check_symbol_exists(strcmp string.h HAVE_STRCMP) 147check_symbol_exists(strdup string.h HAVE_STRDUP) 148check_symbol_exists(strrchr string.h HAVE_STRRCHR) 149check_symbol_exists(sbrk unistd.h HAVE_SBRK) 150check_symbol_exists(srand48 stdlib.h HAVE_RAND48_SRAND48) 151if( HAVE_RAND48_SRAND48 ) 152 check_symbol_exists(lrand48 stdlib.h HAVE_RAND48_LRAND48) 153 if( HAVE_RAND48_LRAND48 ) 154 check_symbol_exists(drand48 stdlib.h HAVE_RAND48_DRAND48) 155 if( HAVE_RAND48_DRAND48 ) 156 set(HAVE_RAND48 1 CACHE INTERNAL "are srand48/lrand48/drand48 available?") 157 endif() 158 endif() 159endif() 160check_symbol_exists(strtoll stdlib.h HAVE_STRTOLL) 161check_symbol_exists(strtoq stdlib.h HAVE_STRTOQ) 162check_symbol_exists(strerror string.h HAVE_STRERROR) 163check_symbol_exists(strerror_r string.h HAVE_STRERROR_R) 164check_symbol_exists(strerror_s string.h HAVE_DECL_STRERROR_S) 165check_symbol_exists(memcpy string.h HAVE_MEMCPY) 166check_symbol_exists(memmove string.h HAVE_MEMMOVE) 167check_symbol_exists(setenv stdlib.h HAVE_SETENV) 168if( PURE_WINDOWS ) 169 check_symbol_exists(_chsize_s io.h HAVE__CHSIZE_S) 170 171 check_function_exists(_alloca HAVE__ALLOCA) 172 check_function_exists(__alloca HAVE___ALLOCA) 173 check_function_exists(__chkstk HAVE___CHKSTK) 174 check_function_exists(___chkstk HAVE____CHKSTK) 175 176 check_function_exists(__ashldi3 HAVE___ASHLDI3) 177 check_function_exists(__ashrdi3 HAVE___ASHRDI3) 178 check_function_exists(__divdi3 HAVE___DIVDI3) 179 check_function_exists(__fixdfdi HAVE___FIXDFDI) 180 check_function_exists(__fixsfdi HAVE___FIXSFDI) 181 check_function_exists(__floatdidf HAVE___FLOATDIDF) 182 check_function_exists(__lshrdi3 HAVE___LSHRDI3) 183 check_function_exists(__moddi3 HAVE___MODDI3) 184 check_function_exists(__udivdi3 HAVE___UDIVDI3) 185 check_function_exists(__umoddi3 HAVE___UMODDI3) 186 187 check_function_exists(__main HAVE___MAIN) 188 check_function_exists(__cmpdi2 HAVE___CMPDI2) 189endif() 190if( HAVE_ARGZ_H ) 191 check_symbol_exists(argz_append argz.h HAVE_ARGZ_APPEND) 192 check_symbol_exists(argz_create_sep argz.h HAVE_ARGZ_CREATE_SEP) 193 check_symbol_exists(argz_insert argz.h HAVE_ARGZ_INSERT) 194 check_symbol_exists(argz_next argz.h HAVE_ARGZ_NEXT) 195 check_symbol_exists(argz_stringify argz.h HAVE_ARGZ_STRINGIFY) 196endif() 197if( HAVE_DLFCN_H ) 198 if( HAVE_LIBDL ) 199 list(APPEND CMAKE_REQUIRED_LIBRARIES dl) 200 endif() 201 check_symbol_exists(dlerror dlfcn.h HAVE_DLERROR) 202 check_symbol_exists(dlopen dlfcn.h HAVE_DLOPEN) 203 if( HAVE_LIBDL ) 204 list(REMOVE_ITEM CMAKE_REQUIRED_LIBRARIES dl) 205 endif() 206endif() 207 208check_symbol_exists(__GLIBC__ stdio.h LLVM_USING_GLIBC) 209if( LLVM_USING_GLIBC ) 210 add_llvm_definitions( -D_GNU_SOURCE ) 211endif() 212 213set(headers "") 214if (HAVE_SYS_TYPES_H) 215 set(headers ${headers} "sys/types.h") 216endif() 217 218if (HAVE_INTTYPES_H) 219 set(headers ${headers} "inttypes.h") 220endif() 221 222if (HAVE_STDINT_H) 223 set(headers ${headers} "stdint.h") 224endif() 225 226check_type_exists(int64_t "${headers}" HAVE_INT64_T) 227check_type_exists(uint64_t "${headers}" HAVE_UINT64_T) 228check_type_exists(u_int64_t "${headers}" HAVE_U_INT64_T) 229check_type_exists(error_t errno.h HAVE_ERROR_T) 230 231# available programs checks 232function(llvm_find_program name) 233 string(TOUPPER ${name} NAME) 234 string(REGEX REPLACE "\\." "_" NAME ${NAME}) 235 find_program(LLVM_PATH_${NAME} ${name}) 236 mark_as_advanced(LLVM_PATH_${NAME}) 237 if(LLVM_PATH_${NAME}) 238 set(HAVE_${NAME} 1 CACHE INTERNAL "Is ${name} available ?") 239 mark_as_advanced(HAVE_${NAME}) 240 else(LLVM_PATH_${NAME}) 241 set(HAVE_${NAME} "" CACHE INTERNAL "Is ${name} available ?") 242 endif(LLVM_PATH_${NAME}) 243endfunction() 244 245llvm_find_program(gv) 246llvm_find_program(circo) 247llvm_find_program(twopi) 248llvm_find_program(neato) 249llvm_find_program(fdp) 250llvm_find_program(dot) 251llvm_find_program(dotty) 252llvm_find_program(xdot.py) 253llvm_find_program(Graphviz) 254 255if( LLVM_ENABLE_FFI ) 256 find_path(FFI_INCLUDE_PATH ffi.h PATHS ${FFI_INCLUDE_DIR}) 257 if( FFI_INCLUDE_PATH ) 258 set(FFI_HEADER ffi.h CACHE INTERNAL "") 259 set(HAVE_FFI_H 1 CACHE INTERNAL "") 260 else() 261 find_path(FFI_INCLUDE_PATH ffi/ffi.h PATHS ${FFI_INCLUDE_DIR}) 262 if( FFI_INCLUDE_PATH ) 263 set(FFI_HEADER ffi/ffi.h CACHE INTERNAL "") 264 set(HAVE_FFI_FFI_H 1 CACHE INTERNAL "") 265 endif() 266 endif() 267 268 if( NOT FFI_HEADER ) 269 message(FATAL_ERROR "libffi includes are not found.") 270 endif() 271 272 find_library(FFI_LIBRARY_PATH ffi PATHS ${FFI_LIBRARY_DIR}) 273 if( NOT FFI_LIBRARY_PATH ) 274 message(FATAL_ERROR "libffi is not found.") 275 endif() 276 277 list(APPEND CMAKE_REQUIRED_LIBRARIES ${FFI_LIBRARY_PATH}) 278 list(APPEND CMAKE_REQUIRED_INCLUDES ${FFI_INCLUDE_PATH}) 279 check_symbol_exists(ffi_call ${FFI_HEADER} HAVE_FFI_CALL) 280 list(REMOVE_ITEM CMAKE_REQUIRED_INCLUDES ${FFI_INCLUDE_PATH}) 281 list(REMOVE_ITEM CMAKE_REQUIRED_LIBRARIES ${FFI_LIBRARY_PATH}) 282else() 283 unset(HAVE_FFI_FFI_H CACHE) 284 unset(HAVE_FFI_H CACHE) 285 unset(HAVE_FFI_CALL CACHE) 286endif( LLVM_ENABLE_FFI ) 287 288# Define LLVM_HAS_ATOMICS if gcc or MSVC atomic builtins are supported. 289include(CheckAtomic) 290 291if( LLVM_ENABLE_PIC ) 292 set(ENABLE_PIC 1) 293else() 294 set(ENABLE_PIC 0) 295endif() 296 297include(CheckCXXCompilerFlag) 298 299check_cxx_compiler_flag("-Wno-variadic-macros" SUPPORTS_NO_VARIADIC_MACROS_FLAG) 300 301include(GetHostTriple) 302get_host_triple(LLVM_HOST_TRIPLE) 303 304# By default, we target the host, but this can be overridden at CMake 305# invocation time. 306set(LLVM_HOSTTRIPLE "${LLVM_HOST_TRIPLE}") 307 308# Determine the native architecture. 309string(TOLOWER "${LLVM_TARGET_ARCH}" LLVM_NATIVE_ARCH) 310if( LLVM_NATIVE_ARCH STREQUAL "host" ) 311 string(REGEX MATCH "^[^-]*" LLVM_NATIVE_ARCH ${LLVM_HOST_TRIPLE}) 312endif () 313 314if (LLVM_NATIVE_ARCH MATCHES "i[2-6]86") 315 set(LLVM_NATIVE_ARCH X86) 316elseif (LLVM_NATIVE_ARCH STREQUAL "x86") 317 set(LLVM_NATIVE_ARCH X86) 318elseif (LLVM_NATIVE_ARCH STREQUAL "amd64") 319 set(LLVM_NATIVE_ARCH X86) 320elseif (LLVM_NATIVE_ARCH STREQUAL "x86_64") 321 set(LLVM_NATIVE_ARCH X86) 322elseif (LLVM_NATIVE_ARCH MATCHES "sparc") 323 set(LLVM_NATIVE_ARCH Sparc) 324elseif (LLVM_NATIVE_ARCH MATCHES "powerpc") 325 set(LLVM_NATIVE_ARCH PowerPC) 326elseif (LLVM_NATIVE_ARCH MATCHES "arm") 327 set(LLVM_NATIVE_ARCH ARM) 328elseif (LLVM_NATIVE_ARCH MATCHES "mips") 329 set(LLVM_NATIVE_ARCH Mips) 330elseif (LLVM_NATIVE_ARCH MATCHES "xcore") 331 set(LLVM_NATIVE_ARCH XCore) 332elseif (LLVM_NATIVE_ARCH MATCHES "msp430") 333 set(LLVM_NATIVE_ARCH MSP430) 334elseif (LLVM_NATIVE_ARCH MATCHES "hexagon") 335 set(LLVM_NATIVE_ARCH Hexagon) 336else () 337 message(FATAL_ERROR "Unknown architecture ${LLVM_NATIVE_ARCH}") 338endif () 339 340list(FIND LLVM_TARGETS_TO_BUILD ${LLVM_NATIVE_ARCH} NATIVE_ARCH_IDX) 341if (NATIVE_ARCH_IDX EQUAL -1) 342 message(STATUS 343 "Native target ${LLVM_NATIVE_ARCH} is not selected; lli will not JIT code") 344else () 345 message(STATUS "Native target architecture is ${LLVM_NATIVE_ARCH}") 346 set(LLVM_NATIVE_TARGET LLVMInitialize${LLVM_NATIVE_ARCH}Target) 347 set(LLVM_NATIVE_TARGETINFO LLVMInitialize${LLVM_NATIVE_ARCH}TargetInfo) 348 set(LLVM_NATIVE_TARGETMC LLVMInitialize${LLVM_NATIVE_ARCH}TargetMC) 349 set(LLVM_NATIVE_ASMPRINTER LLVMInitialize${LLVM_NATIVE_ARCH}AsmPrinter) 350 351 # We don't have an ASM parser for all architectures yet. 352 if (EXISTS ${CMAKE_SOURCE_DIR}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/CMakeLists.txt) 353 set(LLVM_NATIVE_ASMPARSER LLVMInitialize${LLVM_NATIVE_ARCH}AsmParser) 354 endif () 355 356 # We don't have an disassembler for all architectures yet. 357 if (EXISTS ${CMAKE_SOURCE_DIR}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/CMakeLists.txt) 358 set(LLVM_NATIVE_DISASSEMBLER LLVMInitialize${LLVM_NATIVE_ARCH}Disassembler) 359 endif () 360endif () 361 362if( MINGW ) 363 set(HAVE_LIBIMAGEHLP 1) 364 set(HAVE_LIBPSAPI 1) 365 # TODO: Check existence of libraries. 366 # include(CheckLibraryExists) 367 # CHECK_LIBRARY_EXISTS(imagehlp ??? . HAVE_LIBIMAGEHLP) 368endif( MINGW ) 369 370if( MSVC ) 371 set(error_t int) 372 set(LTDL_SHLIBPATH_VAR "PATH") 373 set(LTDL_SYSSEARCHPATH "") 374 set(LTDL_DLOPEN_DEPLIBS 1) 375 set(SHLIBEXT ".lib") 376 set(LTDL_OBJDIR "_libs") 377 set(HAVE_STRTOLL 1) 378 set(strtoll "_strtoi64") 379 set(strtoull "_strtoui64") 380 set(stricmp "_stricmp") 381 set(strdup "_strdup") 382else( MSVC ) 383 set(LTDL_SHLIBPATH_VAR "LD_LIBRARY_PATH") 384 set(LTDL_SYSSEARCHPATH "") # TODO 385 set(LTDL_DLOPEN_DEPLIBS 0) # TODO 386endif( MSVC ) 387 388if( PURE_WINDOWS ) 389 CHECK_CXX_SOURCE_COMPILES(" 390 #include <windows.h> 391 #include <imagehlp.h> 392 extern \"C\" void foo(PENUMLOADED_MODULES_CALLBACK); 393 extern \"C\" void foo(BOOL(CALLBACK*)(PCSTR,ULONG_PTR,ULONG,PVOID)); 394 int main(){return 0;}" 395 HAVE_ELMCB_PCSTR) 396 if( HAVE_ELMCB_PCSTR ) 397 set(WIN32_ELMCB_PCSTR "PCSTR") 398 else() 399 set(WIN32_ELMCB_PCSTR "PSTR") 400 endif() 401endif( PURE_WINDOWS ) 402 403# FIXME: Signal handler return type, currently hardcoded to 'void' 404set(RETSIGTYPE void) 405 406if( LLVM_ENABLE_THREADS ) 407 # Check if threading primitives aren't supported on this platform 408 if( NOT HAVE_PTHREAD_H AND NOT WIN32 ) 409 set(LLVM_ENABLE_THREADS 0) 410 endif() 411endif() 412 413if( LLVM_ENABLE_THREADS ) 414 message(STATUS "Threads enabled.") 415else( LLVM_ENABLE_THREADS ) 416 message(STATUS "Threads disabled.") 417endif() 418 419set(LLVM_PREFIX ${CMAKE_INSTALL_PREFIX}) 420