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