Fix CMake reporting of target triple.
[oota-llvm.git] / cmake / config-ix.cmake
1 include(CheckIncludeFile)
2 include(CheckLibraryExists)
3 include(CheckSymbolExists)
4 include(CheckFunctionExists)
5 include(CheckCXXSourceCompiles)
6
7 # Helper macros and functions
8 macro(add_cxx_include result files)
9   set(${result} "")
10   foreach (file_name ${files})
11      set(${result} "${${result}}#include<${file_name}>\n")
12   endforeach()
13 endmacro(add_cxx_include files result)
14
15 function(check_type_exists type files variable)
16   add_cxx_include(includes "${files}")
17   CHECK_CXX_SOURCE_COMPILES("
18     ${includes} ${type} typeVar;
19     int main() {
20         return 0;
21     }
22     " ${variable})
23 endfunction()
24
25 # include checks
26 check_include_file(argz.h HAVE_ARGZ_H)
27 check_include_file(assert.h HAVE_ASSERT_H)
28 check_include_file(dirent.h HAVE_DIRENT_H)
29 check_include_file(dl.h HAVE_DL_H)
30 check_include_file(dld.h HAVE_DLD_H)
31 check_include_file(dlfcn.h HAVE_DLFCN_H)
32 check_include_file(errno.h HAVE_ERRNO_H)
33 check_include_file(execinfo.h HAVE_EXECINFO_H)
34 check_include_file(fcntl.h HAVE_FCNTL_H)
35 check_include_file(inttypes.h HAVE_INTTYPES_H)
36 check_include_file(limits.h HAVE_LIMITS_H)
37 check_include_file(link.h HAVE_LINK_H)
38 check_include_file(malloc.h HAVE_MALLOC_H)
39 check_include_file(malloc/malloc.h HAVE_MALLOC_MALLOC_H)
40 check_include_file(memory.h HAVE_MEMORY_H)
41 check_include_file(ndir.h HAVE_NDIR_H)
42 if( NOT LLVM_ON_WIN32 )
43   check_include_file(pthread.h HAVE_PTHREAD_H)
44 endif()
45 check_include_file(setjmp.h HAVE_SETJMP_H)
46 check_include_file(signal.h HAVE_SIGNAL_H)
47 check_include_file(stdint.h HAVE_STDINT_H)
48 check_include_file(stdio.h HAVE_STDIO_H)
49 check_include_file(stdlib.h HAVE_STDLIB_H)
50 check_include_file(string.h HAVE_STRING_H)
51 check_include_file(sys/dir.h HAVE_SYS_DIR_H)
52 check_include_file(sys/dl.h HAVE_SYS_DL_H)
53 check_include_file(sys/ioctl.h HAVE_SYS_IOCTL_H)
54 check_include_file(sys/mman.h HAVE_SYS_MMAN_H)
55 check_include_file(sys/ndir.h HAVE_SYS_NDIR_H)
56 check_include_file(sys/param.h HAVE_SYS_PARAM_H)
57 check_include_file(sys/resource.h HAVE_SYS_RESOURCE_H)
58 check_include_file(sys/stat.h HAVE_SYS_STAT_H)
59 check_include_file(sys/time.h HAVE_SYS_TIME_H)
60 check_include_file(sys/types.h HAVE_SYS_TYPES_H)
61 check_include_file(sys/wait.h HAVE_SYS_WAIT_H)
62 check_include_file(termios.h HAVE_TERMIOS_H)
63 check_include_file(unistd.h HAVE_UNISTD_H)
64 check_include_file(utime.h HAVE_UTIME_H)
65 check_include_file(windows.h HAVE_WINDOWS_H)
66
67 # library checks
68 if( NOT LLVM_ON_WIN32 )
69   check_library_exists(pthread pthread_create "" HAVE_LIBPTHREAD)
70   check_library_exists(pthread pthread_getspecific "" HAVE_PTHREAD_GETSPECIFIC)
71   check_library_exists(pthread pthread_rwlock_init "" HAVE_PTHREAD_RWLOCK_INIT)
72   check_library_exists(dl dlopen "" HAVE_LIBDL)
73 endif()
74
75 # function checks
76 check_symbol_exists(getpagesize unistd.h HAVE_GETPAGESIZE)
77 check_symbol_exists(getrusage sys/resource.h HAVE_GETRUSAGE)
78 check_symbol_exists(setrlimit sys/resource.h HAVE_SETRLIMIT)
79 check_function_exists(isatty HAVE_ISATTY)
80 check_symbol_exists(isinf cmath HAVE_ISINF_IN_CMATH)
81 check_symbol_exists(isinf math.h HAVE_ISINF_IN_MATH_H)
82 check_symbol_exists(finite ieeefp.h HAVE_FINITE_IN_IEEEFP_H)
83 check_symbol_exists(isnan cmath HAVE_ISNAN_IN_CMATH)
84 check_symbol_exists(isnan math.h HAVE_ISNAN_IN_MATH_H)
85 check_symbol_exists(ceilf math.h HAVE_CEILF)
86 check_symbol_exists(floorf math.h HAVE_FLOORF)
87 check_symbol_exists(mallinfo malloc.h HAVE_MALLINFO)
88 check_symbol_exists(malloc_zone_statistics malloc/malloc.h
89                     HAVE_MALLOC_ZONE_STATISTICS)
90 check_symbol_exists(mkdtemp "stdlib.h;unistd.h" HAVE_MKDTEMP)
91 check_symbol_exists(mkstemp "stdlib.h;unistd.h" HAVE_MKSTEMP)
92 check_symbol_exists(mktemp "stdlib.h;unistd.h" HAVE_MKTEMP)
93 if( NOT LLVM_ON_WIN32 )
94   check_symbol_exists(pthread_mutex_lock pthread.h HAVE_PTHREAD_MUTEX_LOCK)
95 endif()
96 check_symbol_exists(sbrk unistd.h HAVE_SBRK)
97 check_symbol_exists(strtoll stdlib.h HAVE_STRTOLL)
98 check_symbol_exists(strerror string.h HAVE_STRERROR)
99 check_symbol_exists(strerror_r string.h HAVE_STRERROR_R)
100 check_symbol_exists(strerror_s string.h HAVE_STRERROR_S)
101 check_symbol_exists(setenv stdlib.h HAVE_SETENV)
102
103 check_symbol_exists(__GLIBC__ stdio.h LLVM_USING_GLIBC)
104 if( LLVM_USING_GLIBC )
105   add_llvm_definitions( -D_GNU_SOURCE )
106 endif()
107
108 # Type checks
109 check_type_exists(std::bidirectional_iterator<int,int> "iterator;iostream" HAVE_BI_ITERATOR)
110 check_type_exists(std::iterator<int,int,int> iterator HAVE_STD_ITERATOR)
111 check_type_exists(std::forward_iterator<int,int> iterator HAVE_FWD_ITERATOR)
112
113 set(headers "")
114 if (HAVE_SYS_TYPES_H)
115   set(headers ${headers} "sys/types.h")
116 endif()
117
118 if (HAVE_INTTYPES_H)
119   set(headers ${headers} "inttypes.h")
120 endif()
121
122 if (HAVE_STDINT_H)
123   set(headers ${headers} "stdint.h")
124 endif()
125
126 check_type_exists(uint64_t "${headers}" HAVE_UINT64_T)
127 check_type_exists(u_int64_t "${headers}" HAVE_U_INT64_T)
128
129 # available programs checks
130 find_program(DOTTY_EXECUTABLE dotty)
131 if(DOTTY_EXECUTABLE)
132   set(HAVE_DOTTY 1)
133   set(LLVM_PATH_DOTTY ${DOTTY_EXECUTABLE})
134   mark_as_advanced(HAVE_DOTTY)
135   mark_as_advanced(LLVM_PATH_DOTTY)
136 endif()
137
138 # Define LLVM_MULTITHREADED if gcc atomic builtins exists.
139 include(CheckAtomic)
140
141 include(CheckCXXCompilerFlag)
142 # On windows all code is position-independent and mingw warns if -fPIC
143 # is in the command-line.
144 if( NOT WIN32 )
145   check_cxx_compiler_flag("-fPIC" SUPPORTS_FPIC_FLAG)
146 endif()
147
148 include(GetTargetTriple)
149 get_target_triple(LLVM_HOSTTRIPLE)
150
151 # FIXME: We don't distinguish the target and the host. :(
152 set(TARGET_TRIPLE "${LLVM_HOSTTRIPLE}")
153
154 # Determine the native architecture.
155 string(TOLOWER "${LLVM_TARGET_ARCH}" LLVM_NATIVE_ARCH)
156 if( LLVM_NATIVE_ARCH STREQUAL "host" )
157   string(REGEX MATCH "^[^-]*" LLVM_NATIVE_ARCH ${LLVM_HOSTTRIPLE})
158 endif ()
159
160 if (LLVM_NATIVE_ARCH MATCHES "i[2-6]86")
161   set(LLVM_NATIVE_ARCH X86)
162 elseif (LLVM_NATIVE_ARCH STREQUAL "x86")
163   set(LLVM_NATIVE_ARCH X86)
164 elseif (LLVM_NATIVE_ARCH STREQUAL "amd64")
165   set(LLVM_NATIVE_ARCH X86)
166 elseif (LLVM_NATIVE_ARCH STREQUAL "x86_64")
167   set(LLVM_NATIVE_ARCH X86)
168 elseif (LLVM_NATIVE_ARCH MATCHES "sparc")
169   set(LLVM_NATIVE_ARCH Sparc)
170 elseif (LLVM_NATIVE_ARCH MATCHES "powerpc")
171   set(LLVM_NATIVE_ARCH PowerPC)
172 elseif (LLVM_NATIVE_ARCH MATCHES "alpha")
173   set(LLVM_NATIVE_ARCH Alpha)
174 elseif (LLVM_NATIVE_ARCH MATCHES "arm")
175   set(LLVM_NATIVE_ARCH ARM)
176 elseif (LLVM_NATIVE_ARCH MATCHES "mips")
177   set(LLVM_NATIVE_ARCH Mips)
178 elseif (LLVM_NATIVE_ARCH MATCHES "pic16")
179   set(LLVM_NATIVE_ARCH "PIC16")
180 elseif (LLVM_NATIVE_ARCH MATCHES "xcore")
181   set(LLVM_NATIVE_ARCH XCore)
182 elseif (LLVM_NATIVE_ARCH MATCHES "msp430")
183   set(LLVM_NATIVE_ARCH MSP430)
184 else ()
185   message(STATUS 
186     "Unknown architecture ${LLVM_NATIVE_ARCH}; lli will not JIT code")
187   set(LLVM_NATIVE_ARCH)
188 endif ()
189   
190 if (LLVM_NATIVE_ARCH)
191   list(FIND LLVM_TARGETS_TO_BUILD ${LLVM_NATIVE_ARCH} NATIVE_ARCH_IDX)
192   if (NATIVE_ARCH_IDX EQUAL -1)
193     message(STATUS 
194       "Native target ${LLVM_NATIVE_ARCH} is not selected; lli will not JIT code")
195     set(LLVM_NATIVE_ARCH)
196   else ()
197     message(STATUS "Native target architecture is ${LLVM_NATIVE_ARCH}")
198   endif ()
199 endif()
200
201 if( MINGW )
202   set(HAVE_LIBIMAGEHLP 1)
203   set(HAVE_LIBPSAPI 1)
204   # TODO: Check existence of libraries.
205   #   include(CheckLibraryExists)
206   #   CHECK_LIBRARY_EXISTS(imagehlp ??? . HAVE_LIBIMAGEHLP)
207 endif( MINGW )
208
209 if( MSVC )
210   set(error_t int)
211   set(mode_t "unsigned short")
212   set(LTDL_SHLIBPATH_VAR "PATH")
213   set(LTDL_SYSSEARCHPATH "")
214   set(LTDL_DLOPEN_DEPLIBS 1)
215   set(SHLIBEXT ".lib")
216   set(LTDL_OBJDIR "_libs")
217   set(HAVE_STRTOLL 1)
218   set(strtoll "_strtoi64")
219   set(strtoull "_strtoui64")
220   set(stricmp "_stricmp")
221   set(strdup "_strdup")
222 else( MSVC )
223   set(LTDL_SHLIBPATH_VAR "LD_LIBRARY_PATH")
224   set(LTDL_SYSSEARCHPATH "") # TODO
225   set(LTDL_DLOPEN_DEPLIBS 0)  # TODO
226 endif( MSVC )
227
228 # FIXME: Signal handler return type, currently hardcoded to 'void'
229 set(RETSIGTYPE void)
230
231 if( LLVM_ENABLE_THREADS )
232   if( HAVE_PTHREAD_H OR WIN32 )
233     set(ENABLE_THREADS 1)
234   endif()
235 endif()
236
237 if( ENABLE_THREADS )
238   message(STATUS "Threads enabled.")
239 else( ENABLE_THREADS )
240   message(STATUS "Threads disabled.")
241 endif()
242
243 configure_file(
244   ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/config.h.cmake
245   ${LLVM_BINARY_DIR}/include/llvm/Config/config.h
246   )
247
248 configure_file(
249   ${LLVM_MAIN_INCLUDE_DIR}/llvm/System/DataTypes.h.cmake
250   ${LLVM_BINARY_DIR}/include/llvm/System/DataTypes.h
251   )
252