1 if( WIN32 AND NOT CYGWIN )
2 # We consider Cygwin as another Unix
6 include(CheckIncludeFile)
7 include(CheckIncludeFileCXX)
8 include(CheckLibraryExists)
9 include(CheckSymbolExists)
10 include(CheckFunctionExists)
11 include(CheckCXXSourceCompiles)
12 include(TestBigEndian)
14 if( UNIX AND NOT BEOS )
15 # Used by check_symbol_exists:
16 set(CMAKE_REQUIRED_LIBRARIES m)
19 # Helper macros and functions
20 macro(add_cxx_include result files)
22 foreach (file_name ${files})
23 set(${result} "${${result}}#include<${file_name}>\n")
25 endmacro(add_cxx_include files result)
27 function(check_type_exists type files variable)
28 add_cxx_include(includes "${files}")
29 CHECK_CXX_SOURCE_COMPILES("
30 ${includes} ${type} typeVar;
38 check_include_file(argz.h HAVE_ARGZ_H)
39 check_include_file(assert.h HAVE_ASSERT_H)
40 check_include_file(ctype.h HAVE_CTYPE_H)
41 check_include_file_cxx(cxxabi.h HAVE_CXXABI_H)
42 check_include_file(dirent.h HAVE_DIRENT_H)
43 check_include_file(dl.h HAVE_DL_H)
44 check_include_file(dld.h HAVE_DLD_H)
45 check_include_file(dlfcn.h HAVE_DLFCN_H)
46 check_include_file(errno.h HAVE_ERRNO_H)
47 check_include_file(execinfo.h HAVE_EXECINFO_H)
48 check_include_file(fcntl.h HAVE_FCNTL_H)
49 check_include_file(inttypes.h HAVE_INTTYPES_H)
50 check_include_file(limits.h HAVE_LIMITS_H)
51 check_include_file(link.h HAVE_LINK_H)
52 check_include_file(malloc.h HAVE_MALLOC_H)
53 check_include_file(malloc/malloc.h HAVE_MALLOC_MALLOC_H)
54 check_include_file(memory.h HAVE_MEMORY_H)
55 check_include_file(ndir.h HAVE_NDIR_H)
56 if( NOT PURE_WINDOWS )
57 check_include_file(pthread.h HAVE_PTHREAD_H)
59 check_include_file(sanitizer/msan_interface.h HAVE_SANITIZER_MSAN_INTERFACE_H)
60 check_include_file(setjmp.h HAVE_SETJMP_H)
61 check_include_file(signal.h HAVE_SIGNAL_H)
62 check_include_file(stdint.h HAVE_STDINT_H)
63 check_include_file(stdio.h HAVE_STDIO_H)
64 check_include_file(stdlib.h HAVE_STDLIB_H)
65 check_include_file(string.h HAVE_STRING_H)
66 check_include_file(strings.h HAVE_STRINGS_H)
67 check_include_file(sys/dir.h HAVE_SYS_DIR_H)
68 check_include_file(sys/dl.h HAVE_SYS_DL_H)
69 check_include_file(sys/ioctl.h HAVE_SYS_IOCTL_H)
70 check_include_file(sys/mman.h HAVE_SYS_MMAN_H)
71 check_include_file(sys/ndir.h HAVE_SYS_NDIR_H)
72 check_include_file(sys/param.h HAVE_SYS_PARAM_H)
73 check_include_file(sys/resource.h HAVE_SYS_RESOURCE_H)
74 check_include_file(sys/stat.h HAVE_SYS_STAT_H)
75 check_include_file(sys/time.h HAVE_SYS_TIME_H)
76 check_include_file(sys/types.h HAVE_SYS_TYPES_H)
77 check_include_file(sys/uio.h HAVE_SYS_UIO_H)
78 check_include_file(sys/wait.h HAVE_SYS_WAIT_H)
79 check_include_file(termios.h HAVE_TERMIOS_H)
80 check_include_file(unistd.h HAVE_UNISTD_H)
81 check_include_file(utime.h HAVE_UTIME_H)
82 check_include_file(valgrind/valgrind.h HAVE_VALGRIND_VALGRIND_H)
83 check_include_file(windows.h HAVE_WINDOWS_H)
84 check_include_file(zlib.h HAVE_ZLIB_H)
85 check_include_file(fenv.h HAVE_FENV_H)
86 check_symbol_exists(FE_ALL_EXCEPT "fenv.h" HAVE_DECL_FE_ALL_EXCEPT)
87 check_symbol_exists(FE_INEXACT "fenv.h" HAVE_DECL_FE_INEXACT)
89 check_include_file(mach/mach.h HAVE_MACH_MACH_H)
90 check_include_file(mach-o/dyld.h HAVE_MACH_O_DYLD_H)
93 if( NOT PURE_WINDOWS )
94 check_library_exists(pthread pthread_create "" HAVE_LIBPTHREAD)
96 check_library_exists(pthread pthread_getspecific "" HAVE_PTHREAD_GETSPECIFIC)
97 check_library_exists(pthread pthread_rwlock_init "" HAVE_PTHREAD_RWLOCK_INIT)
98 check_library_exists(pthread pthread_mutex_lock "" HAVE_PTHREAD_MUTEX_LOCK)
100 # this could be Android
101 check_library_exists(c pthread_create "" PTHREAD_IN_LIBC)
103 check_library_exists(c pthread_getspecific "" HAVE_PTHREAD_GETSPECIFIC)
104 check_library_exists(c pthread_rwlock_init "" HAVE_PTHREAD_RWLOCK_INIT)
105 check_library_exists(c pthread_mutex_lock "" HAVE_PTHREAD_MUTEX_LOCK)
108 check_library_exists(dl dlopen "" HAVE_LIBDL)
109 check_library_exists(rt clock_gettime "" HAVE_LIBRT)
110 if (LLVM_ENABLE_ZLIB)
111 check_library_exists(z compress2 "" HAVE_LIBZ)
118 check_symbol_exists(arc4random "stdlib.h" HAVE_ARC4RANDOM)
119 check_symbol_exists(backtrace "execinfo.h" HAVE_BACKTRACE)
120 check_symbol_exists(getpagesize unistd.h HAVE_GETPAGESIZE)
121 check_symbol_exists(getrusage sys/resource.h HAVE_GETRUSAGE)
122 check_symbol_exists(setrlimit sys/resource.h HAVE_SETRLIMIT)
123 check_symbol_exists(isatty unistd.h HAVE_ISATTY)
124 check_symbol_exists(index strings.h HAVE_INDEX)
125 check_symbol_exists(isinf cmath HAVE_ISINF_IN_CMATH)
126 check_symbol_exists(isinf math.h HAVE_ISINF_IN_MATH_H)
127 check_symbol_exists(finite ieeefp.h HAVE_FINITE_IN_IEEEFP_H)
128 check_symbol_exists(isnan cmath HAVE_ISNAN_IN_CMATH)
129 check_symbol_exists(isnan math.h HAVE_ISNAN_IN_MATH_H)
130 check_symbol_exists(ceilf math.h HAVE_CEILF)
131 check_symbol_exists(floorf math.h HAVE_FLOORF)
132 check_symbol_exists(fmodf math.h HAVE_FMODF)
133 check_symbol_exists(log math.h HAVE_LOG)
134 check_symbol_exists(log2 math.h HAVE_LOG2)
135 check_symbol_exists(log10 math.h HAVE_LOG10)
136 check_symbol_exists(exp math.h HAVE_EXP)
137 check_symbol_exists(exp2 math.h HAVE_EXP2)
138 check_symbol_exists(exp10 math.h HAVE_EXP10)
139 check_symbol_exists(futimens sys/stat.h HAVE_FUTIMENS)
140 check_symbol_exists(futimes sys/time.h HAVE_FUTIMES)
142 check_symbol_exists(longjmp setjmp.h HAVE_LONGJMP)
143 check_symbol_exists(setjmp setjmp.h HAVE_SETJMP)
144 check_symbol_exists(siglongjmp setjmp.h HAVE_SIGLONGJMP)
145 check_symbol_exists(sigsetjmp setjmp.h HAVE_SIGSETJMP)
148 check_symbol_exists(writev sys/uio.h HAVE_WRITEV)
150 check_symbol_exists(nearbyintf math.h HAVE_NEARBYINTF)
151 check_symbol_exists(mallinfo malloc.h HAVE_MALLINFO)
152 check_symbol_exists(malloc_zone_statistics malloc/malloc.h
153 HAVE_MALLOC_ZONE_STATISTICS)
154 check_symbol_exists(mkdtemp "stdlib.h;unistd.h" HAVE_MKDTEMP)
155 check_symbol_exists(mkstemp "stdlib.h;unistd.h" HAVE_MKSTEMP)
156 check_symbol_exists(mktemp "stdlib.h;unistd.h" HAVE_MKTEMP)
157 check_symbol_exists(closedir "sys/types.h;dirent.h" HAVE_CLOSEDIR)
158 check_symbol_exists(opendir "sys/types.h;dirent.h" HAVE_OPENDIR)
159 check_symbol_exists(readdir "sys/types.h;dirent.h" HAVE_READDIR)
160 check_symbol_exists(getcwd unistd.h HAVE_GETCWD)
161 check_symbol_exists(gettimeofday sys/time.h HAVE_GETTIMEOFDAY)
162 check_symbol_exists(getrlimit "sys/types.h;sys/time.h;sys/resource.h" HAVE_GETRLIMIT)
163 check_symbol_exists(posix_spawn spawn.h HAVE_POSIX_SPAWN)
164 check_symbol_exists(pread unistd.h HAVE_PREAD)
165 check_symbol_exists(rindex strings.h HAVE_RINDEX)
166 check_symbol_exists(strchr string.h HAVE_STRCHR)
167 check_symbol_exists(strcmp string.h HAVE_STRCMP)
168 check_symbol_exists(strdup string.h HAVE_STRDUP)
169 check_symbol_exists(strrchr string.h HAVE_STRRCHR)
170 check_symbol_exists(sbrk unistd.h HAVE_SBRK)
171 check_symbol_exists(srand48 stdlib.h HAVE_RAND48_SRAND48)
172 if( HAVE_RAND48_SRAND48 )
173 check_symbol_exists(lrand48 stdlib.h HAVE_RAND48_LRAND48)
174 if( HAVE_RAND48_LRAND48 )
175 check_symbol_exists(drand48 stdlib.h HAVE_RAND48_DRAND48)
176 if( HAVE_RAND48_DRAND48 )
177 set(HAVE_RAND48 1 CACHE INTERNAL "are srand48/lrand48/drand48 available?")
181 check_symbol_exists(strtoll stdlib.h HAVE_STRTOLL)
182 check_symbol_exists(strtoq stdlib.h HAVE_STRTOQ)
183 check_symbol_exists(strerror string.h HAVE_STRERROR)
184 check_symbol_exists(strerror_r string.h HAVE_STRERROR_R)
185 check_symbol_exists(strerror_s string.h HAVE_DECL_STRERROR_S)
186 check_symbol_exists(memcpy string.h HAVE_MEMCPY)
187 check_symbol_exists(memmove string.h HAVE_MEMMOVE)
188 check_symbol_exists(setenv stdlib.h HAVE_SETENV)
190 check_symbol_exists(_chsize_s io.h HAVE__CHSIZE_S)
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 HAVE____CHKSTK)
197 check_function_exists(__ashldi3 HAVE___ASHLDI3)
198 check_function_exists(__ashrdi3 HAVE___ASHRDI3)
199 check_function_exists(__divdi3 HAVE___DIVDI3)
200 check_function_exists(__fixdfdi HAVE___FIXDFDI)
201 check_function_exists(__fixsfdi HAVE___FIXSFDI)
202 check_function_exists(__floatdidf HAVE___FLOATDIDF)
203 check_function_exists(__lshrdi3 HAVE___LSHRDI3)
204 check_function_exists(__moddi3 HAVE___MODDI3)
205 check_function_exists(__udivdi3 HAVE___UDIVDI3)
206 check_function_exists(__umoddi3 HAVE___UMODDI3)
208 check_function_exists(__main HAVE___MAIN)
209 check_function_exists(__cmpdi2 HAVE___CMPDI2)
212 check_symbol_exists(argz_append argz.h HAVE_ARGZ_APPEND)
213 check_symbol_exists(argz_create_sep argz.h HAVE_ARGZ_CREATE_SEP)
214 check_symbol_exists(argz_insert argz.h HAVE_ARGZ_INSERT)
215 check_symbol_exists(argz_next argz.h HAVE_ARGZ_NEXT)
216 check_symbol_exists(argz_stringify argz.h HAVE_ARGZ_STRINGIFY)
220 list(APPEND CMAKE_REQUIRED_LIBRARIES dl)
222 check_symbol_exists(dlerror dlfcn.h HAVE_DLERROR)
223 check_symbol_exists(dlopen dlfcn.h HAVE_DLOPEN)
225 list(REMOVE_ITEM CMAKE_REQUIRED_LIBRARIES dl)
229 check_symbol_exists(__GLIBC__ stdio.h LLVM_USING_GLIBC)
230 if( LLVM_USING_GLIBC )
231 add_llvm_definitions( -D_GNU_SOURCE )
235 if (HAVE_SYS_TYPES_H)
236 set(headers ${headers} "sys/types.h")
240 set(headers ${headers} "inttypes.h")
244 set(headers ${headers} "stdint.h")
247 check_type_exists(int64_t "${headers}" HAVE_INT64_T)
248 check_type_exists(uint64_t "${headers}" HAVE_UINT64_T)
249 check_type_exists(u_int64_t "${headers}" HAVE_U_INT64_T)
250 check_type_exists(error_t errno.h HAVE_ERROR_T)
252 # available programs checks
253 function(llvm_find_program name)
254 string(TOUPPER ${name} NAME)
255 string(REGEX REPLACE "\\." "_" NAME ${NAME})
257 find_program(LLVM_PATH_${NAME} NAMES ${ARGV})
258 mark_as_advanced(LLVM_PATH_${NAME})
259 if(LLVM_PATH_${NAME})
260 set(HAVE_${NAME} 1 CACHE INTERNAL "Is ${name} available ?")
261 mark_as_advanced(HAVE_${NAME})
262 else(LLVM_PATH_${NAME})
263 set(HAVE_${NAME} "" CACHE INTERNAL "Is ${name} available ?")
264 endif(LLVM_PATH_${NAME})
267 llvm_find_program(gv)
268 llvm_find_program(circo)
269 llvm_find_program(twopi)
270 llvm_find_program(neato)
271 llvm_find_program(fdp)
272 llvm_find_program(dot)
273 llvm_find_program(dotty)
274 llvm_find_program(xdot xdot.py)
275 llvm_find_program(Graphviz)
277 if( LLVM_ENABLE_FFI )
278 find_path(FFI_INCLUDE_PATH ffi.h PATHS ${FFI_INCLUDE_DIR})
279 if( FFI_INCLUDE_PATH )
280 set(FFI_HEADER ffi.h CACHE INTERNAL "")
281 set(HAVE_FFI_H 1 CACHE INTERNAL "")
283 find_path(FFI_INCLUDE_PATH ffi/ffi.h PATHS ${FFI_INCLUDE_DIR})
284 if( FFI_INCLUDE_PATH )
285 set(FFI_HEADER ffi/ffi.h CACHE INTERNAL "")
286 set(HAVE_FFI_FFI_H 1 CACHE INTERNAL "")
291 message(FATAL_ERROR "libffi includes are not found.")
294 find_library(FFI_LIBRARY_PATH ffi PATHS ${FFI_LIBRARY_DIR})
295 if( NOT FFI_LIBRARY_PATH )
296 message(FATAL_ERROR "libffi is not found.")
299 list(APPEND CMAKE_REQUIRED_LIBRARIES ${FFI_LIBRARY_PATH})
300 list(APPEND CMAKE_REQUIRED_INCLUDES ${FFI_INCLUDE_PATH})
301 check_symbol_exists(ffi_call ${FFI_HEADER} HAVE_FFI_CALL)
302 list(REMOVE_ITEM CMAKE_REQUIRED_INCLUDES ${FFI_INCLUDE_PATH})
303 list(REMOVE_ITEM CMAKE_REQUIRED_LIBRARIES ${FFI_LIBRARY_PATH})
305 unset(HAVE_FFI_FFI_H CACHE)
306 unset(HAVE_FFI_H CACHE)
307 unset(HAVE_FFI_CALL CACHE)
308 endif( LLVM_ENABLE_FFI )
310 # Define LLVM_HAS_ATOMICS if gcc or MSVC atomic builtins are supported.
313 if( LLVM_ENABLE_PIC )
319 find_package(LibXml2)
321 set(CLANG_HAVE_LIBXML 1)
324 include(CheckCXXCompilerFlag)
326 check_cxx_compiler_flag("-Wno-variadic-macros" SUPPORTS_NO_VARIADIC_MACROS_FLAG)
328 set(USE_NO_MAYBE_UNINITIALIZED 0)
329 set(USE_NO_UNINITIALIZED 0)
331 # Disable gcc's potentially uninitialized use analysis as it presents lots of
333 if (CMAKE_COMPILER_IS_GNUCXX)
334 check_cxx_compiler_flag("-Wmaybe-uninitialized" HAS_MAYBE_UNINITIALIZED)
335 if (HAS_MAYBE_UNINITIALIZED)
336 set(USE_NO_MAYBE_UNINITIALIZED 1)
338 # Only recent versions of gcc make the distinction between -Wuninitialized
339 # and -Wmaybe-uninitialized. If -Wmaybe-uninitialized isn't supported, just
340 # turn off all uninitialized use warnings.
341 check_cxx_compiler_flag("-Wuninitialized" HAS_UNINITIALIZED)
342 set(USE_NO_UNINITIALIZED ${HAS_UNINITIALIZED})
346 # By default, we target the host, but this can be overridden at CMake
348 include(GetHostTriple)
349 get_host_triple(LLVM_INFERRED_HOST_TRIPLE)
351 set(LLVM_HOST_TRIPLE "${LLVM_INFERRED_HOST_TRIPLE}" CACHE STRING
352 "Host on which LLVM binaries will run")
354 # Determine the native architecture.
355 string(TOLOWER "${LLVM_TARGET_ARCH}" LLVM_NATIVE_ARCH)
356 if( LLVM_NATIVE_ARCH STREQUAL "host" )
357 string(REGEX MATCH "^[^-]*" LLVM_NATIVE_ARCH ${LLVM_HOST_TRIPLE})
360 if (LLVM_NATIVE_ARCH MATCHES "i[2-6]86")
361 set(LLVM_NATIVE_ARCH X86)
362 elseif (LLVM_NATIVE_ARCH STREQUAL "x86")
363 set(LLVM_NATIVE_ARCH X86)
364 elseif (LLVM_NATIVE_ARCH STREQUAL "amd64")
365 set(LLVM_NATIVE_ARCH X86)
366 elseif (LLVM_NATIVE_ARCH STREQUAL "x86_64")
367 set(LLVM_NATIVE_ARCH X86)
368 elseif (LLVM_NATIVE_ARCH MATCHES "sparc")
369 set(LLVM_NATIVE_ARCH Sparc)
370 elseif (LLVM_NATIVE_ARCH MATCHES "powerpc")
371 set(LLVM_NATIVE_ARCH PowerPC)
372 elseif (LLVM_NATIVE_ARCH MATCHES "aarch64")
373 set(LLVM_NATIVE_ARCH AArch64)
374 elseif (LLVM_NATIVE_ARCH MATCHES "arm")
375 set(LLVM_NATIVE_ARCH ARM)
376 elseif (LLVM_NATIVE_ARCH MATCHES "mips")
377 set(LLVM_NATIVE_ARCH Mips)
378 elseif (LLVM_NATIVE_ARCH MATCHES "xcore")
379 set(LLVM_NATIVE_ARCH XCore)
380 elseif (LLVM_NATIVE_ARCH MATCHES "msp430")
381 set(LLVM_NATIVE_ARCH MSP430)
382 elseif (LLVM_NATIVE_ARCH MATCHES "hexagon")
383 set(LLVM_NATIVE_ARCH Hexagon)
384 elseif (LLVM_NATIVE_ARCH MATCHES "s390x")
385 set(LLVM_NATIVE_ARCH SystemZ)
387 message(FATAL_ERROR "Unknown architecture ${LLVM_NATIVE_ARCH}")
390 # If build targets includes "host", then replace with native architecture.
391 list(FIND LLVM_TARGETS_TO_BUILD "host" idx)
393 list(REMOVE_AT LLVM_TARGETS_TO_BUILD ${idx})
394 list(APPEND LLVM_TARGETS_TO_BUILD ${LLVM_NATIVE_ARCH})
395 list(REMOVE_DUPLICATES LLVM_TARGETS_TO_BUILD)
398 list(FIND LLVM_TARGETS_TO_BUILD ${LLVM_NATIVE_ARCH} NATIVE_ARCH_IDX)
399 if (NATIVE_ARCH_IDX EQUAL -1)
401 "Native target ${LLVM_NATIVE_ARCH} is not selected; lli will not JIT code")
403 message(STATUS "Native target architecture is ${LLVM_NATIVE_ARCH}")
404 set(LLVM_NATIVE_TARGET LLVMInitialize${LLVM_NATIVE_ARCH}Target)
405 set(LLVM_NATIVE_TARGETINFO LLVMInitialize${LLVM_NATIVE_ARCH}TargetInfo)
406 set(LLVM_NATIVE_TARGETMC LLVMInitialize${LLVM_NATIVE_ARCH}TargetMC)
407 set(LLVM_NATIVE_ASMPRINTER LLVMInitialize${LLVM_NATIVE_ARCH}AsmPrinter)
409 # We don't have an ASM parser for all architectures yet.
410 if (EXISTS ${CMAKE_SOURCE_DIR}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/CMakeLists.txt)
411 set(LLVM_NATIVE_ASMPARSER LLVMInitialize${LLVM_NATIVE_ARCH}AsmParser)
414 # We don't have an disassembler for all architectures yet.
415 if (EXISTS ${CMAKE_SOURCE_DIR}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/CMakeLists.txt)
416 set(LLVM_NATIVE_DISASSEMBLER LLVMInitialize${LLVM_NATIVE_ARCH}Disassembler)
421 set(HAVE_LIBIMAGEHLP 1)
423 # TODO: Check existence of libraries.
424 # include(CheckLibraryExists)
425 # CHECK_LIBRARY_EXISTS(imagehlp ??? . HAVE_LIBIMAGEHLP)
430 set(LTDL_SYSSEARCHPATH "")
431 set(LTDL_DLOPEN_DEPLIBS 1)
433 set(LTDL_OBJDIR "_libs")
435 set(strtoll "_strtoi64")
436 set(strtoull "_strtoui64")
437 set(stricmp "_stricmp")
438 set(strdup "_strdup")
440 set(LTDL_SYSSEARCHPATH "") # TODO
441 set(LTDL_DLOPEN_DEPLIBS 0) # TODO
445 CHECK_CXX_SOURCE_COMPILES("
447 #include <imagehlp.h>
448 extern \"C\" void foo(PENUMLOADED_MODULES_CALLBACK);
449 extern \"C\" void foo(BOOL(CALLBACK*)(PCSTR,ULONG_PTR,ULONG,PVOID));
450 int main(){return 0;}"
452 if( HAVE_ELMCB_PCSTR )
453 set(WIN32_ELMCB_PCSTR "PCSTR")
455 set(WIN32_ELMCB_PCSTR "PSTR")
457 endif( PURE_WINDOWS )
459 # FIXME: Signal handler return type, currently hardcoded to 'void'
462 if( LLVM_ENABLE_THREADS )
463 # Check if threading primitives aren't supported on this platform
464 if( NOT HAVE_PTHREAD_H AND NOT WIN32 )
465 set(LLVM_ENABLE_THREADS 0)
469 if( LLVM_ENABLE_THREADS )
470 message(STATUS "Threads enabled.")
471 else( LLVM_ENABLE_THREADS )
472 message(STATUS "Threads disabled.")
475 if (LLVM_ENABLE_ZLIB )
476 # Check if zlib is available in the system.
477 if ( NOT HAVE_ZLIB_H OR NOT HAVE_LIBZ )
478 set(LLVM_ENABLE_ZLIB 0)
482 set(LLVM_PREFIX ${CMAKE_INSTALL_PREFIX})