4a87a23aed180138dee995b2146abb16d11f689c
[oota-llvm.git] / cmake / config-ix.cmake
1 include(CheckIncludeFile)
2 include(CheckLibraryExists)
3 include(CheckSymbolExists)
4 include(CheckFunctionExists)
5 include(CheckCXXSourceCompiles)
6 include(TestBigEndian)
7
8 if( UNIX AND NOT BEOS )
9   # Used by check_symbol_exists:
10   set(CMAKE_REQUIRED_LIBRARIES m)
11 endif()
12
13 # Helper macros and functions
14 macro(add_cxx_include result files)
15   set(${result} "")
16   foreach (file_name ${files})
17      set(${result} "${${result}}#include<${file_name}>\n")
18   endforeach()
19 endmacro(add_cxx_include files result)
20
21 function(check_type_exists type files variable)
22   add_cxx_include(includes "${files}")
23   CHECK_CXX_SOURCE_COMPILES("
24     ${includes} ${type} typeVar;
25     int main() {
26         return 0;
27     }
28     " ${variable})
29 endfunction()
30
31 # include checks
32 check_include_file(argz.h HAVE_ARGZ_H)
33 check_include_file(assert.h HAVE_ASSERT_H)
34 check_include_file(ctype.h HAVE_CTYPE_H)
35 check_include_file(dirent.h HAVE_DIRENT_H)
36 check_include_file(dl.h HAVE_DL_H)
37 check_include_file(dld.h HAVE_DLD_H)
38 check_include_file(dlfcn.h HAVE_DLFCN_H)
39 check_include_file(errno.h HAVE_ERRNO_H)
40 check_include_file(execinfo.h HAVE_EXECINFO_H)
41 check_include_file(fcntl.h HAVE_FCNTL_H)
42 check_include_file(inttypes.h HAVE_INTTYPES_H)
43 check_include_file(limits.h HAVE_LIMITS_H)
44 check_include_file(link.h HAVE_LINK_H)
45 check_include_file(malloc.h HAVE_MALLOC_H)
46 check_include_file(malloc/malloc.h HAVE_MALLOC_MALLOC_H)
47 check_include_file(memory.h HAVE_MEMORY_H)
48 check_include_file(ndir.h HAVE_NDIR_H)
49 if( NOT LLVM_ON_WIN32 )
50   check_include_file(pthread.h HAVE_PTHREAD_H)
51 endif()
52 check_include_file(setjmp.h HAVE_SETJMP_H)
53 check_include_file(signal.h HAVE_SIGNAL_H)
54 check_include_file(stdint.h HAVE_STDINT_H)
55 check_include_file(stdio.h HAVE_STDIO_H)
56 check_include_file(stdlib.h HAVE_STDLIB_H)
57 check_include_file(string.h HAVE_STRING_H)
58 check_include_file(strings.h HAVE_STRINGS_H)
59 check_include_file(sys/dir.h HAVE_SYS_DIR_H)
60 check_include_file(sys/dl.h HAVE_SYS_DL_H)
61 check_include_file(sys/ioctl.h HAVE_SYS_IOCTL_H)
62 check_include_file(sys/mman.h HAVE_SYS_MMAN_H)
63 check_include_file(sys/ndir.h HAVE_SYS_NDIR_H)
64 check_include_file(sys/param.h HAVE_SYS_PARAM_H)
65 check_include_file(sys/resource.h HAVE_SYS_RESOURCE_H)
66 check_include_file(sys/stat.h HAVE_SYS_STAT_H)
67 check_include_file(sys/time.h HAVE_SYS_TIME_H)
68 check_include_file(sys/types.h HAVE_SYS_TYPES_H)
69 check_include_file(sys/wait.h HAVE_SYS_WAIT_H)
70 check_include_file(termios.h HAVE_TERMIOS_H)
71 check_include_file(unistd.h HAVE_UNISTD_H)
72 check_include_file(utime.h HAVE_UTIME_H)
73 check_include_file(valgrind/valgrind.h HAVE_VALGRIND_VALGRIND_H)
74 check_include_file(windows.h HAVE_WINDOWS_H)
75 check_include_file(fenv.h HAVE_FENV_H)
76 check_include_file(mach/mach.h HAVE_MACH_MACH_H)
77 check_include_file(mach-o/dyld.h HAVE_MACH_O_DYLD_H)
78
79 # library checks
80 if( NOT LLVM_ON_WIN32 )
81   check_library_exists(pthread pthread_create "" HAVE_LIBPTHREAD)
82   check_library_exists(pthread pthread_getspecific "" HAVE_PTHREAD_GETSPECIFIC)
83   check_library_exists(pthread pthread_rwlock_init "" HAVE_PTHREAD_RWLOCK_INIT)
84   check_library_exists(dl dlopen "" HAVE_LIBDL)
85 endif()
86
87 # function checks
88 check_symbol_exists(getpagesize unistd.h HAVE_GETPAGESIZE)
89 check_symbol_exists(getrusage sys/resource.h HAVE_GETRUSAGE)
90 check_symbol_exists(setrlimit sys/resource.h HAVE_SETRLIMIT)
91 check_function_exists(isatty HAVE_ISATTY)
92 check_symbol_exists(isinf cmath HAVE_ISINF_IN_CMATH)
93 check_symbol_exists(isinf math.h HAVE_ISINF_IN_MATH_H)
94 check_symbol_exists(finite ieeefp.h HAVE_FINITE_IN_IEEEFP_H)
95 check_symbol_exists(isnan cmath HAVE_ISNAN_IN_CMATH)
96 check_symbol_exists(isnan math.h HAVE_ISNAN_IN_MATH_H)
97 check_symbol_exists(ceilf math.h HAVE_CEILF)
98 check_symbol_exists(floorf math.h HAVE_FLOORF)
99 check_symbol_exists(fmodf math.h HAVE_FMODF)
100 check_symbol_exists(nearbyintf math.h HAVE_NEARBYINTF)
101 check_symbol_exists(mallinfo malloc.h HAVE_MALLINFO)
102 check_symbol_exists(malloc_zone_statistics malloc/malloc.h
103                     HAVE_MALLOC_ZONE_STATISTICS)
104 check_symbol_exists(mkdtemp "stdlib.h;unistd.h" HAVE_MKDTEMP)
105 check_symbol_exists(mkstemp "stdlib.h;unistd.h" HAVE_MKSTEMP)
106 check_symbol_exists(mktemp "stdlib.h;unistd.h" HAVE_MKTEMP)
107 check_symbol_exists(closedir "sys/types.h;dirent.h" HAVE_CLOSEDIR)
108 check_symbol_exists(opendir "sys/types.h;dirent.h" HAVE_OPENDIR)
109 check_symbol_exists(getcwd unistd.h HAVE_GETCWD)
110 check_symbol_exists(gettimeofday sys/time.h HAVE_GETTIMEOFDAY)
111 check_symbol_exists(getrlimit "sys/types.h;sys/time.h;sys/resource.h" HAVE_GETRLIMIT)
112 check_symbol_exists(strchr string.h HAVE_STRCHR)
113 check_symbol_exists(strcmp string.h HAVE_STRCMP)
114 check_symbol_exists(strdup string.h HAVE_STRDUP)
115 check_symbol_exists(strrchr string.h HAVE_STRRCHR)
116 if( NOT LLVM_ON_WIN32 )
117   check_symbol_exists(pthread_mutex_lock pthread.h HAVE_PTHREAD_MUTEX_LOCK)
118 endif()
119 check_symbol_exists(sbrk unistd.h HAVE_SBRK)
120 check_symbol_exists(strtoll stdlib.h HAVE_STRTOLL)
121 check_symbol_exists(strerror string.h HAVE_STRERROR)
122 check_symbol_exists(strerror_r string.h HAVE_STRERROR_R)
123 check_symbol_exists(strerror_s string.h HAVE_STRERROR_S)
124 check_symbol_exists(memcpy string.h HAVE_MEMCPY)
125 check_symbol_exists(memmove string.h HAVE_MEMMOVE)
126 check_symbol_exists(setenv stdlib.h HAVE_SETENV)
127 if ( LLVM_ON_WIN32 )
128   check_symbol_exists(_chsize_s io.h HAVE__CHSIZE_S)
129 endif()
130 if( HAVE_ARGZ_H )
131   check_symbol_exists(argz_append argz.h HAVE_ARGZ_APPEND)
132   check_symbol_exists(argz_create_sep argz.h HAVE_ARGZ_CREATE_SEP)
133   check_symbol_exists(argz_insert argz.h HAVE_ARGZ_INSERT)
134   check_symbol_exists(argz_next argz.h HAVE_ARGZ_NEXT)
135   check_symbol_exists(argz_stringify argz.h HAVE_ARGZ_STRINGIFY)
136 endif()
137 if( HAVE_DLFCN_H AND HAVE_LIBDL )
138   list(APPEND CMAKE_REQUIRED_LIBRARIES dl)
139   check_symbol_exists(dlerror dlfcn.h HAVE_DLERROR)
140   check_symbol_exists(dlopen dlfcn.h HAVE_DLOPEN)
141   list(REMOVE_ITEM CMAKE_REQUIRED_LIBRARIES dl)
142 endif()
143
144 check_symbol_exists(__GLIBC__ stdio.h LLVM_USING_GLIBC)
145 if( LLVM_USING_GLIBC )
146   add_llvm_definitions( -D_GNU_SOURCE )
147 endif()
148
149 # Type checks
150 check_type_exists(std::bidirectional_iterator<int,int> "iterator;iostream" HAVE_BI_ITERATOR)
151 check_type_exists(std::iterator<int,int,int> iterator HAVE_STD_ITERATOR)
152 check_type_exists(std::forward_iterator<int,int> iterator HAVE_FWD_ITERATOR)
153
154 set(headers "")
155 if (HAVE_SYS_TYPES_H)
156   set(headers ${headers} "sys/types.h")
157 endif()
158
159 if (HAVE_INTTYPES_H)
160   set(headers ${headers} "inttypes.h")
161 endif()
162
163 if (HAVE_STDINT_H)
164   set(headers ${headers} "stdint.h")
165 endif()
166
167 check_type_exists(int64_t "${headers}" HAVE_INT64_T)
168 check_type_exists(uint64_t "${headers}" HAVE_UINT64_T)
169 check_type_exists(u_int64_t "${headers}" HAVE_U_INT64_T)
170 check_type_exists(error_t errno.h HAVE_ERROR_T)
171
172 # available programs checks
173 function(llvm_find_program name)
174   string(TOUPPER ${name} NAME)
175   find_program(LLVM_PATH_${NAME} ${name})
176   mark_as_advanced(LLVM_PATH_${NAME})
177   if(LLVM_PATH_${NAME})
178     set(HAVE_${NAME} 1 CACHE INTERNAL "Is ${name} available ?")
179     mark_as_advanced(HAVE_${NAME})
180   else(LLVM_PATH_${NAME})
181     set(HAVE_${NAME} "" CACHE INTERNAL "Is ${name} available ?")
182   endif(LLVM_PATH_${NAME})
183 endfunction()
184
185 llvm_find_program(gv)
186 llvm_find_program(circo)
187 llvm_find_program(twopi)
188 llvm_find_program(neato)
189 llvm_find_program(fdp)
190 llvm_find_program(dot)
191 llvm_find_program(dotty)
192
193 if( LLVM_ENABLE_FFI )
194   find_path(FFI_INCLUDE_PATH ffi.h PATHS ${FFI_INCLUDE_DIR})
195   if( FFI_INCLUDE_PATH )
196     set(FFI_HEADER ffi.h CACHE INTERNAL "")
197     set(HAVE_FFI_H 1 CACHE INTERNAL "")
198   else()
199     find_path(FFI_INCLUDE_PATH ffi/ffi.h PATHS ${FFI_INCLUDE_DIR})
200     if( FFI_INCLUDE_PATH )
201       set(FFI_HEADER ffi/ffi.h CACHE INTERNAL "")
202       set(HAVE_FFI_FFI_H 1 CACHE INTERNAL "")
203     endif()
204   endif()
205
206   if( NOT FFI_HEADER )
207     message(FATAL_ERROR "libffi includes are not found.")
208   endif()
209
210   find_library(FFI_LIBRARY_PATH ffi PATHS ${FFI_LIBRARY_DIR})
211   if( NOT FFI_LIBRARY_PATH )
212     message(FATAL_ERROR "libffi is not found.")
213   endif()
214
215   list(APPEND CMAKE_REQUIRED_LIBRARIES ${FFI_LIBRARY_PATH})
216   list(APPEND CMAKE_REQUIRED_INCLUDES ${FFI_INCLUDE_PATH})
217   check_symbol_exists(ffi_call ${FFI_HEADER} HAVE_FFI_CALL)
218   list(REMOVE_ITEM CMAKE_REQUIRED_INCLUDES ${FFI_INCLUDE_PATH})
219   list(REMOVE_ITEM CMAKE_REQUIRED_LIBRARIES ${FFI_LIBRARY_PATH})
220 endif( LLVM_ENABLE_FFI )
221
222 # Define LLVM_MULTITHREADED if gcc atomic builtins exists.
223 include(CheckAtomic)
224
225 if( LLVM_ENABLE_PIC )
226   set(ENABLE_PIC 1)
227 else()
228   set(ENABLE_PIC 0)
229 endif()
230
231 include(CheckCXXCompilerFlag)
232
233 check_cxx_compiler_flag("-Wno-variadic-macros" SUPPORTS_NO_VARIADIC_MACROS_FLAG)
234
235 include(GetTargetTriple)
236 get_target_triple(LLVM_HOSTTRIPLE)
237
238 # FIXME: We don't distinguish the target and the host. :(
239 set(TARGET_TRIPLE "${LLVM_HOSTTRIPLE}")
240
241 # Determine the native architecture.
242 string(TOLOWER "${LLVM_TARGET_ARCH}" LLVM_NATIVE_ARCH)
243 if( LLVM_NATIVE_ARCH STREQUAL "host" )
244   string(REGEX MATCH "^[^-]*" LLVM_NATIVE_ARCH ${LLVM_HOSTTRIPLE})
245 endif ()
246
247 if (LLVM_NATIVE_ARCH MATCHES "i[2-6]86")
248   set(LLVM_NATIVE_ARCH X86)
249 elseif (LLVM_NATIVE_ARCH STREQUAL "x86")
250   set(LLVM_NATIVE_ARCH X86)
251 elseif (LLVM_NATIVE_ARCH STREQUAL "amd64")
252   set(LLVM_NATIVE_ARCH X86)
253 elseif (LLVM_NATIVE_ARCH STREQUAL "x86_64")
254   set(LLVM_NATIVE_ARCH X86)
255 elseif (LLVM_NATIVE_ARCH MATCHES "sparc")
256   set(LLVM_NATIVE_ARCH Sparc)
257 elseif (LLVM_NATIVE_ARCH MATCHES "powerpc")
258   set(LLVM_NATIVE_ARCH PowerPC)
259 elseif (LLVM_NATIVE_ARCH MATCHES "alpha")
260   set(LLVM_NATIVE_ARCH Alpha)
261 elseif (LLVM_NATIVE_ARCH MATCHES "arm")
262   set(LLVM_NATIVE_ARCH ARM)
263 elseif (LLVM_NATIVE_ARCH MATCHES "mips")
264   set(LLVM_NATIVE_ARCH Mips)
265 elseif (LLVM_NATIVE_ARCH MATCHES "xcore")
266   set(LLVM_NATIVE_ARCH XCore)
267 elseif (LLVM_NATIVE_ARCH MATCHES "msp430")
268   set(LLVM_NATIVE_ARCH MSP430)
269 else ()
270   message(STATUS
271     "Unknown architecture ${LLVM_NATIVE_ARCH}; lli will not JIT code")
272   set(LLVM_NATIVE_ARCH)
273 endif ()
274
275 if (LLVM_NATIVE_ARCH)
276   list(FIND LLVM_TARGETS_TO_BUILD ${LLVM_NATIVE_ARCH} NATIVE_ARCH_IDX)
277   if (NATIVE_ARCH_IDX EQUAL -1)
278     message(STATUS
279       "Native target ${LLVM_NATIVE_ARCH} is not selected; lli will not JIT code")
280     set(LLVM_NATIVE_ARCH)
281   else ()
282     message(STATUS "Native target architecture is ${LLVM_NATIVE_ARCH}")
283     set(LLVM_NATIVE_TARGET LLVMInitialize${LLVM_NATIVE_ARCH}Target)
284     set(LLVM_NATIVE_TARGETINFO LLVMInitialize${LLVM_NATIVE_ARCH}TargetInfo)
285     set(LLVM_NATIVE_ASMPRINTER LLVMInitialize${LLVM_NATIVE_ARCH}AsmPrinter)
286   endif ()
287 endif()
288
289 if( MINGW )
290   set(HAVE_LIBIMAGEHLP 1)
291   set(HAVE_LIBPSAPI 1)
292   # TODO: Check existence of libraries.
293   #   include(CheckLibraryExists)
294   #   CHECK_LIBRARY_EXISTS(imagehlp ??? . HAVE_LIBIMAGEHLP)
295 endif( MINGW )
296
297 if( MSVC )
298   set(error_t int)
299   set(mode_t "unsigned short")
300   set(LTDL_SHLIBPATH_VAR "PATH")
301   set(LTDL_SYSSEARCHPATH "")
302   set(LTDL_DLOPEN_DEPLIBS 1)
303   set(SHLIBEXT ".lib")
304   set(LTDL_OBJDIR "_libs")
305   set(HAVE_STRTOLL 1)
306   set(strtoll "_strtoi64")
307   set(strtoull "_strtoui64")
308   set(stricmp "_stricmp")
309   set(strdup "_strdup")
310 else( MSVC )
311   set(LTDL_SHLIBPATH_VAR "LD_LIBRARY_PATH")
312   set(LTDL_SYSSEARCHPATH "") # TODO
313   set(LTDL_DLOPEN_DEPLIBS 0)  # TODO
314 endif( MSVC )
315
316 # FIXME: Signal handler return type, currently hardcoded to 'void'
317 set(RETSIGTYPE void)
318
319 if( LLVM_ENABLE_THREADS )
320   if( HAVE_PTHREAD_H OR WIN32 )
321     set(ENABLE_THREADS 1)
322   endif()
323 endif()
324
325 if( ENABLE_THREADS )
326   message(STATUS "Threads enabled.")
327 else( ENABLE_THREADS )
328   message(STATUS "Threads disabled.")
329 endif()
330
331 set(LLVM_PREFIX ${CMAKE_INSTALL_PREFIX})
332
333 configure_file(
334   ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/config.h.cmake
335   ${LLVM_BINARY_DIR}/include/llvm/Config/config.h
336   )
337
338 configure_file(
339   ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/llvm-config.h.cmake
340   ${LLVM_BINARY_DIR}/include/llvm/Config/llvm-config.h
341   )
342
343 configure_file(
344   ${LLVM_MAIN_INCLUDE_DIR}/llvm/Support/DataTypes.h.cmake
345   ${LLVM_BINARY_DIR}/include/llvm/Support/DataTypes.h
346   )
347