Make config.h.cmake similar to config.h.in
[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(sys/dir.h HAVE_SYS_DIR_H)
59 check_include_file(sys/dl.h HAVE_SYS_DL_H)
60 check_include_file(sys/ioctl.h HAVE_SYS_IOCTL_H)
61 check_include_file(sys/mman.h HAVE_SYS_MMAN_H)
62 check_include_file(sys/ndir.h HAVE_SYS_NDIR_H)
63 check_include_file(sys/param.h HAVE_SYS_PARAM_H)
64 check_include_file(sys/resource.h HAVE_SYS_RESOURCE_H)
65 check_include_file(sys/stat.h HAVE_SYS_STAT_H)
66 check_include_file(sys/time.h HAVE_SYS_TIME_H)
67 check_include_file(sys/types.h HAVE_SYS_TYPES_H)
68 check_include_file(sys/wait.h HAVE_SYS_WAIT_H)
69 check_include_file(termios.h HAVE_TERMIOS_H)
70 check_include_file(unistd.h HAVE_UNISTD_H)
71 check_include_file(utime.h HAVE_UTIME_H)
72 check_include_file(valgrind/valgrind.h HAVE_VALGRIND_VALGRIND_H)
73 check_include_file(windows.h HAVE_WINDOWS_H)
74 check_include_file(fenv.h HAVE_FENV_H)
75
76 # library checks
77 if( NOT LLVM_ON_WIN32 )
78   check_library_exists(pthread pthread_create "" HAVE_LIBPTHREAD)
79   check_library_exists(pthread pthread_getspecific "" HAVE_PTHREAD_GETSPECIFIC)
80   check_library_exists(pthread pthread_rwlock_init "" HAVE_PTHREAD_RWLOCK_INIT)
81   check_library_exists(dl dlopen "" HAVE_LIBDL)
82 endif()
83
84 # function checks
85 check_symbol_exists(getpagesize unistd.h HAVE_GETPAGESIZE)
86 check_symbol_exists(getrusage sys/resource.h HAVE_GETRUSAGE)
87 check_symbol_exists(setrlimit sys/resource.h HAVE_SETRLIMIT)
88 check_function_exists(isatty HAVE_ISATTY)
89 check_symbol_exists(isinf cmath HAVE_ISINF_IN_CMATH)
90 check_symbol_exists(isinf math.h HAVE_ISINF_IN_MATH_H)
91 check_symbol_exists(finite ieeefp.h HAVE_FINITE_IN_IEEEFP_H)
92 check_symbol_exists(isnan cmath HAVE_ISNAN_IN_CMATH)
93 check_symbol_exists(isnan math.h HAVE_ISNAN_IN_MATH_H)
94 check_symbol_exists(ceilf math.h HAVE_CEILF)
95 check_symbol_exists(floorf math.h HAVE_FLOORF)
96 check_symbol_exists(fmodf math.h HAVE_FMODF)
97 check_symbol_exists(nearbyintf math.h HAVE_NEARBYINTF)
98 check_symbol_exists(mallinfo malloc.h HAVE_MALLINFO)
99 check_symbol_exists(malloc_zone_statistics malloc/malloc.h
100                     HAVE_MALLOC_ZONE_STATISTICS)
101 check_symbol_exists(mkdtemp "stdlib.h;unistd.h" HAVE_MKDTEMP)
102 check_symbol_exists(mkstemp "stdlib.h;unistd.h" HAVE_MKSTEMP)
103 check_symbol_exists(mktemp "stdlib.h;unistd.h" HAVE_MKTEMP)
104 check_symbol_exists(closedir "sys/types.h;dirent.h" HAVE_CLOSEDIR)
105 check_symbol_exists(opendir "sys/types.h;dirent.h" HAVE_OPENDIR)
106 check_symbol_exists(getcwd unistd.h HAVE_GETCWD)
107 check_symbol_exists(gettimeofday sys/time.h HAVE_GETTIMEOFDAY)
108 check_symbol_exists(getrlimit "sys/types.h;sys/time.h;sys/resource.h" HAVE_GETRLIMIT)
109 if( NOT LLVM_ON_WIN32 )
110   check_symbol_exists(pthread_mutex_lock pthread.h HAVE_PTHREAD_MUTEX_LOCK)
111 endif()
112 check_symbol_exists(sbrk unistd.h HAVE_SBRK)
113 check_symbol_exists(strtoll stdlib.h HAVE_STRTOLL)
114 check_symbol_exists(strerror string.h HAVE_STRERROR)
115 check_symbol_exists(strerror_r string.h HAVE_STRERROR_R)
116 check_symbol_exists(strerror_s string.h HAVE_STRERROR_S)
117 check_symbol_exists(memcpy string.h HAVE_MEMCPY)
118 check_symbol_exists(memmove string.h HAVE_MEMMOVE)
119 check_symbol_exists(setenv stdlib.h HAVE_SETENV)
120 if ( LLVM_ON_WIN32 )
121   check_symbol_exists(_chsize_s io.h HAVE__CHSIZE_S)
122 endif()
123 if( HAVE_ARGZ_H )
124   check_symbol_exists(argz_append argz.h HAVE_ARGZ_APPEND)
125   check_symbol_exists(argz_create_sep argz.h HAVE_ARGZ_CREATE_SEP)
126   check_symbol_exists(argz_insert argz.h HAVE_ARGZ_INSERT)
127   check_symbol_exists(argz_next argz.h HAVE_ARGZ_NEXT)
128   check_symbol_exists(argz_stringify argz.h HAVE_ARGZ_STRINGIFY)
129 endif()
130
131 check_symbol_exists(__GLIBC__ stdio.h LLVM_USING_GLIBC)
132 if( LLVM_USING_GLIBC )
133   add_llvm_definitions( -D_GNU_SOURCE )
134 endif()
135
136 # Type checks
137 check_type_exists(std::bidirectional_iterator<int,int> "iterator;iostream" HAVE_BI_ITERATOR)
138 check_type_exists(std::iterator<int,int,int> iterator HAVE_STD_ITERATOR)
139 check_type_exists(std::forward_iterator<int,int> iterator HAVE_FWD_ITERATOR)
140
141 set(headers "")
142 if (HAVE_SYS_TYPES_H)
143   set(headers ${headers} "sys/types.h")
144 endif()
145
146 if (HAVE_INTTYPES_H)
147   set(headers ${headers} "inttypes.h")
148 endif()
149
150 if (HAVE_STDINT_H)
151   set(headers ${headers} "stdint.h")
152 endif()
153
154 check_type_exists(int64_t "${headers}" HAVE_INT64_T)
155 check_type_exists(uint64_t "${headers}" HAVE_UINT64_T)
156 check_type_exists(u_int64_t "${headers}" HAVE_U_INT64_T)
157
158 # available programs checks
159 function(llvm_find_program name)
160   string(TOUPPER ${name} NAME)
161   find_program(LLVM_PATH_${NAME} ${name})
162   mark_as_advanced(LLVM_PATH_${NAME})
163   if(LLVM_PATH_${NAME})
164     set(HAVE_${NAME} 1 CACHE INTERNAL "Is ${name} available ?")
165     mark_as_advanced(HAVE_${NAME})
166   else(LLVM_PATH_${NAME})
167     set(HAVE_${NAME} "" CACHE INTERNAL "Is ${name} available ?")
168   endif(LLVM_PATH_${NAME})
169 endfunction()
170
171 llvm_find_program(gv)
172 llvm_find_program(circo)
173 llvm_find_program(twopi)
174 llvm_find_program(neato)
175 llvm_find_program(fdp)
176 llvm_find_program(dot)
177 llvm_find_program(dotty)
178
179 # Define LLVM_MULTITHREADED if gcc atomic builtins exists.
180 include(CheckAtomic)
181
182 if( LLVM_ENABLE_PIC )
183   set(ENABLE_PIC 1)
184 else()
185   set(ENABLE_PIC 0)
186 endif()
187
188 include(CheckCXXCompilerFlag)
189
190 check_cxx_compiler_flag("-Wno-variadic-macros" SUPPORTS_NO_VARIADIC_MACROS_FLAG)
191
192 include(GetTargetTriple)
193 get_target_triple(LLVM_HOSTTRIPLE)
194
195 # FIXME: We don't distinguish the target and the host. :(
196 set(TARGET_TRIPLE "${LLVM_HOSTTRIPLE}")
197
198 # Determine the native architecture.
199 string(TOLOWER "${LLVM_TARGET_ARCH}" LLVM_NATIVE_ARCH)
200 if( LLVM_NATIVE_ARCH STREQUAL "host" )
201   string(REGEX MATCH "^[^-]*" LLVM_NATIVE_ARCH ${LLVM_HOSTTRIPLE})
202 endif ()
203
204 if (LLVM_NATIVE_ARCH MATCHES "i[2-6]86")
205   set(LLVM_NATIVE_ARCH X86)
206 elseif (LLVM_NATIVE_ARCH STREQUAL "x86")
207   set(LLVM_NATIVE_ARCH X86)
208 elseif (LLVM_NATIVE_ARCH STREQUAL "amd64")
209   set(LLVM_NATIVE_ARCH X86)
210 elseif (LLVM_NATIVE_ARCH STREQUAL "x86_64")
211   set(LLVM_NATIVE_ARCH X86)
212 elseif (LLVM_NATIVE_ARCH MATCHES "sparc")
213   set(LLVM_NATIVE_ARCH Sparc)
214 elseif (LLVM_NATIVE_ARCH MATCHES "powerpc")
215   set(LLVM_NATIVE_ARCH PowerPC)
216 elseif (LLVM_NATIVE_ARCH MATCHES "alpha")
217   set(LLVM_NATIVE_ARCH Alpha)
218 elseif (LLVM_NATIVE_ARCH MATCHES "arm")
219   set(LLVM_NATIVE_ARCH ARM)
220 elseif (LLVM_NATIVE_ARCH MATCHES "mips")
221   set(LLVM_NATIVE_ARCH Mips)
222 elseif (LLVM_NATIVE_ARCH MATCHES "xcore")
223   set(LLVM_NATIVE_ARCH XCore)
224 elseif (LLVM_NATIVE_ARCH MATCHES "msp430")
225   set(LLVM_NATIVE_ARCH MSP430)
226 else ()
227   message(STATUS
228     "Unknown architecture ${LLVM_NATIVE_ARCH}; lli will not JIT code")
229   set(LLVM_NATIVE_ARCH)
230 endif ()
231
232 if (LLVM_NATIVE_ARCH)
233   list(FIND LLVM_TARGETS_TO_BUILD ${LLVM_NATIVE_ARCH} NATIVE_ARCH_IDX)
234   if (NATIVE_ARCH_IDX EQUAL -1)
235     message(STATUS
236       "Native target ${LLVM_NATIVE_ARCH} is not selected; lli will not JIT code")
237     set(LLVM_NATIVE_ARCH)
238   else ()
239     message(STATUS "Native target architecture is ${LLVM_NATIVE_ARCH}")
240     set(LLVM_NATIVE_TARGET LLVMInitialize${LLVM_NATIVE_ARCH}Target)
241     set(LLVM_NATIVE_TARGETINFO LLVMInitialize${LLVM_NATIVE_ARCH}TargetInfo)
242     set(LLVM_NATIVE_ASMPRINTER LLVMInitialize${LLVM_NATIVE_ARCH}AsmPrinter)
243   endif ()
244 endif()
245
246 if( MINGW )
247   set(HAVE_LIBIMAGEHLP 1)
248   set(HAVE_LIBPSAPI 1)
249   # TODO: Check existence of libraries.
250   #   include(CheckLibraryExists)
251   #   CHECK_LIBRARY_EXISTS(imagehlp ??? . HAVE_LIBIMAGEHLP)
252 endif( MINGW )
253
254 if( MSVC )
255   set(error_t int)
256   set(mode_t "unsigned short")
257   set(LTDL_SHLIBPATH_VAR "PATH")
258   set(LTDL_SYSSEARCHPATH "")
259   set(LTDL_DLOPEN_DEPLIBS 1)
260   set(SHLIBEXT ".lib")
261   set(LTDL_OBJDIR "_libs")
262   set(HAVE_STRTOLL 1)
263   set(strtoll "_strtoi64")
264   set(strtoull "_strtoui64")
265   set(stricmp "_stricmp")
266   set(strdup "_strdup")
267 else( MSVC )
268   set(LTDL_SHLIBPATH_VAR "LD_LIBRARY_PATH")
269   set(LTDL_SYSSEARCHPATH "") # TODO
270   set(LTDL_DLOPEN_DEPLIBS 0)  # TODO
271 endif( MSVC )
272
273 # FIXME: Signal handler return type, currently hardcoded to 'void'
274 set(RETSIGTYPE void)
275
276 if( LLVM_ENABLE_THREADS )
277   if( HAVE_PTHREAD_H OR WIN32 )
278     set(ENABLE_THREADS 1)
279   endif()
280 endif()
281
282 if( ENABLE_THREADS )
283   message(STATUS "Threads enabled.")
284 else( ENABLE_THREADS )
285   message(STATUS "Threads disabled.")
286 endif()
287
288 set(LLVM_PREFIX ${CMAKE_INSTALL_PREFIX})
289
290 configure_file(
291   ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/config.h.cmake
292   ${LLVM_BINARY_DIR}/include/llvm/Config/config.h
293   )
294
295 configure_file(
296   ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/llvm-config.h.cmake
297   ${LLVM_BINARY_DIR}/include/llvm/Config/llvm-config.h
298   )
299
300 configure_file(
301   ${LLVM_MAIN_INCLUDE_DIR}/llvm/Support/DataTypes.h.cmake
302   ${LLVM_BINARY_DIR}/include/llvm/Support/DataTypes.h
303   )
304