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[cmake] Use -std=c++0x if -std=c++11 is not available
[simgrid.git] / CMakeLists.txt
1 cmake_minimum_required(VERSION 2.6)
2
3 ### Need to set rc ccompiler before enable language
4 if(WIN32)
5   SET(CMAKE_RC_COMPILER "windres")
6 endif()
7 project(SimGrid C)
8
9 ## 
10 ## Check the C/C++ standard that we need
11 ##   See also buildtools/Cmake/Flags.cmake that sets our paranoid warning flags
12
13 enable_language(CXX)
14
15 INCLUDE(CheckCCompilerFlag)
16 CHECK_C_COMPILER_FLAG(-fstack-cleaner HAVE_C_STACK_CLEANER)
17
18 ## Request full debugging flags
19 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -g3")
20 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -g3")
21 set(CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS} -g")
22
23 ## We need a decent support of the c++11 standard
24 include(CheckCXXCompilerFlag)
25 CHECK_CXX_COMPILER_FLAG("-std=c++11" COMPILER_SUPPORTS_CXX11)
26 CHECK_CXX_COMPILER_FLAG("-std=c++0x" COMPILER_SUPPORTS_CXX0X)
27 if(COMPILER_SUPPORTS_CXX11)
28   set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
29 elseif(COMPILER_SUPPORTS_CXX0X)
30   set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++0x")
31 else()
32   message(FATAL_ERROR 
33           "The compiler ${CMAKE_CXX_COMPILER} has no C++11 support. "
34           "Please use a decent C++ compiler.")
35 endif()
36 if (CMAKE_COMPILER_IS_GNUCC)
37   if (COMPILER_CXX_VERSION_MAJOR_MINOR STRLESS "4.7")
38     message(FATAL_ERROR
39             "SimGrid needs g++ version 4.7 to compile "
40             "(c++11 support of previous versions is too limited).")
41   endif()
42 endif()
43
44 ### And we need C11 standard, too
45 include(CheckCCompilerFlag)
46 CHECK_C_COMPILER_FLAG("-std=gnu11" COMPILER_SUPPORTS_C11)
47 if(COMPILER_SUPPORTS_C11)
48   set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=gnu11")
49 else()
50   message(FATAL_ERROR 
51           "The compiler ${CMAKE_C_COMPILER} has no C11 support. "
52           "Please use a decent C compiler "
53           "(note that c++11 support of ${CMAKE_CXX_COMPILER} seems ok).")
54 endif()
55
56
57 ### SMPI vs. Fortran
58 if ((NOT DEFINED enable_smpi OR enable_smpi) AND NOT APPLE) # smpi is enabled by default
59   # Call enable_language(Fortran) in order to load the build rules for
60   # this language, needed by teshsuite/smpi/mpich-test/.  Use
61   # CMAKE_FORCE_Fortran_COMPILER to bypass checks for a working
62   # compiler (smpiff don't exist at configure time).
63   include(CMakeForceCompiler)
64   if(NOT COMMAND CMAKE_FORCE_Fortran_COMPILER)
65     MACRO(CMAKE_FORCE_Fortran_COMPILER compiler id)
66       SET(CMAKE_Fortran_COMPILER "${compiler}")
67       SET(CMAKE_Fortran_COMPILER_ID_RUN TRUE)
68       SET(CMAKE_Fortran_COMPILER_ID ${id})
69       SET(CMAKE_Fortran_COMPILER_WORKS TRUE)
70       SET(CMAKE_Fortran_COMPILER_FORCED TRUE)
71
72       # Set old compiler id variables.
73       IF("${CMAKE_Fortran_COMPILER_ID}" MATCHES "GNU")
74         SET(CMAKE_COMPILER_IS_GNUG77 1)
75       ENDIF("${CMAKE_Fortran_COMPILER_ID}" MATCHES "GNU")
76     ENDMACRO(CMAKE_FORCE_Fortran_COMPILER)
77   endif()
78   CMAKE_FORCE_Fortran_COMPILER(smpiff smpiff)
79   enable_language(Fortran OPTIONAL)
80 endif()
81
82 ## Mapping version number -> version name
83 # 3.5.99 -> alpha1 (oops)
84 # 3.5.9{1,2} -> beta{1,2}
85 # 3.5.9{3,4,5} -> rc{1,2,3}
86 # 3.6.{0,1,2} -> release 3.6, 3.6.1, 3.6.2
87 # 3.7.{0,1} -> release 3.7, 3.7.1
88 # 3.8.{0,1} -> release 3.8, 3.8.1
89 # 3.9.0 -> release 3.9
90 # 3.9.90 -> release 3.10pre1
91 # 3.10.0 -> release 3.10
92 # 3.11.0 -> release 3.11
93 # 3.12.0 -> release 3.12
94
95 set(SIMGRID_VERSION_MAJOR "3")
96 set(SIMGRID_VERSION_MINOR "12")
97 set(SIMGRID_VERSION_PATCH "0")
98 set(SIMGRID_VERSION_EXTRA "-devel") # Extra words to add to version string (e.g. -rc1)
99
100 set(SIMGRID_VERSION_DATE  "2015") # Year for copyright information
101
102 if(${SIMGRID_VERSION_PATCH} EQUAL "0")
103   set(release_version "${SIMGRID_VERSION_MAJOR}.${SIMGRID_VERSION_MINOR}")
104 else()
105   set(release_version "${SIMGRID_VERSION_MAJOR}.${SIMGRID_VERSION_MINOR}.${SIMGRID_VERSION_PATCH}")
106 endif()
107
108 set(SIMGRID_VERSION_STRING "SimGrid version ${release_version}${SIMGRID_VERSION_EXTRA}")
109 set(SIMGRID_VERSION_BANNER
110   "SIMGRID_VERSION_STRING\\nCopyright (c) 2004-${SIMGRID_VERSION_DATE}. The Simgrid Team.")
111
112 set(libsimgrid_version "${release_version}")
113 set(libsimgrid-java_version "${release_version}")
114 set(GCC_NEED_VERSION "4.0")
115 set(APPLE_NEED_GCC_VERSION "4.6")
116
117 ### SET THE LIBRARY EXTENSION AND GCC VERSION
118 if(APPLE) #MAC
119   set(LIB_EXE "dylib")
120 else()
121   if(WIN32) #WINDOWS
122     set(LIB_EXE "a")
123     set(BIN_EXE ".exe")
124   else() #UNIX
125     set(LIB_EXE "so")
126   endif()
127 endif()
128
129 if(${CMAKE_C_COMPILER_ID} STREQUAL "GNU")
130   exec_program("${CMAKE_C_COMPILER} --version" OUTPUT_VARIABLE "COMPILER_C_VERSION")
131   exec_program("${CMAKE_CXX_COMPILER} --version" OUTPUT_VARIABLE "COMPILER_CXX_VERSION")
132   string(REGEX MATCH "[0-9].[0-9].[0-9]" COMPILER_C_VERSION "${COMPILER_C_VERSION}")
133   string(REGEX MATCH "[0-9].[0-9].[0-9]" COMPILER_CXX_VERSION "${COMPILER_CXX_VERSION}")
134
135   string(REGEX MATCH "^[0-9].[0-9]" COMPILER_C_VERSION_MAJOR_MINOR "${COMPILER_C_VERSION}")
136   string(REPLACE "${COMPILER_C_VERSION_MAJOR_MINOR}." "" COMPILER_C_VERSION_PATCH "${COMPILER_C_VERSION}")
137
138   if(${GCC_NEED_VERSION} GREATER  COMPILER_C_VERSION_MAJOR_MINOR)
139     message(FATAL_ERROR "Gcc must be to version ${GCC_NEED_VERSION} current version ${COMPILER_C_VERSION_MAJOR_MINOR}")
140   endif()
141   
142   if(COMPILER_C_VERSION_MAJOR_MINOR STRGREATER "4.8")
143     set (CMAKE_AR gcc-ar)
144     set (CMAKE_RANLIB gcc-ranlib)
145   endif()
146   
147 endif()
148
149 exec_program("${CMAKE_LINKER} --version" OUTPUT_VARIABLE "LINKER_VERSION")
150 string(REGEX MATCH "[0-9].[0-9]*" LINKER_VERSION "${LINKER_VERSION}")
151
152 string(REGEX MATCH "cl.exe" VBC "${CMAKE_C_COMPILER}")
153 if(VBC)
154   message(FATAL_ERROR "VB is not yet supported by Simgrid.")
155 endif()
156
157 ### Find programs and paths
158 FIND_PROGRAM(GCOV_PATH gcov)
159 include(FindPerl)
160 if(NOT PERL_EXECUTABLE)
161   message(FATAL_ERROR "-- SimGrid cannot be compiled without Perl installed -- sorry. Bailling out.")
162 endif()
163
164 if (APPLE)
165   set(CMAKE_INSTALL_RPATH "${CMAKE_INSTALL_PREFIX}/lib")
166   set(CMAKE_INSTALL_RPATH_USE_LINK_PATH TRUE)
167 endif()
168
169 ### Set some variables for Cmake
170 SET(LIBRARY_OUTPUT_PATH ${CMAKE_BINARY_DIR}/lib)
171
172 set(INCLUDES
173   ${CMAKE_HOME_DIRECTORY}
174   ${CMAKE_HOME_DIRECTORY}/include
175   ${CMAKE_HOME_DIRECTORY}/src
176   ${CMAKE_HOME_DIRECTORY}/src/include
177   ${CMAKE_BINARY_DIR}
178   ${CMAKE_BINARY_DIR}/include
179   ${CMAKE_BINARY_DIR}/src
180   )
181
182 if(WIN32)
183   set(INCLUDES ${INCLUDES} ${CMAKE_HOME_DIRECTORY}/include/xbt ${CMAKE_HOME_DIRECTORY}/src/xbt) #for win32_ucontext.[ch]
184 endif()
185 set(CMAKE_SOURCE_DIR ${PROJECT_SOURCE_DIRECTORY})
186
187 if(NOT CMAKE_CROSSCOMPILING AND EXISTS /usr/include/)
188   set(INCLUDES ${INCLUDES} /usr/include/)
189 endif()
190
191 ### Check 32bits or 64bits
192 INCLUDE (CheckTypeSize)
193 CHECK_TYPE_SIZE("void*" SIZEOF_VOIDSTAR)
194 IF(SIZEOF_VOIDSTAR EQUAL 4)
195   SET(ARCH_32_BITS 1)
196 ELSE()
197   SET(ARCH_32_BITS 0)
198 ENDIF()
199
200 if(WIN32)
201
202   #Need env INCLUDE
203   set(CMAKE_INCLUDE_WIN "${CMAKE_C_COMPILER}")
204   set(CMAKE_LIB_WIN "${CMAKE_C_COMPILER}")
205   string(REGEX REPLACE "/bin/gcc.*" "/include"  CMAKE_INCLUDE_WIN "${CMAKE_INCLUDE_WIN}")
206   string(REGEX REPLACE "/bin/gcc.*" "/lib"  CMAKE_LIB_WIN "${CMAKE_LIB_WIN}")
207   set(INCLUDES ${INCLUDES} ${CMAKE_INCLUDE_WIN})
208
209   if(CMAKE_COMPILER_IS_GNUCC)
210     set(__GNUC__ 1)
211     exec_program("${CMAKE_C_COMPILER} --version" OUTPUT_VARIABLE "COMPILER_C_VERSION")
212     string(REGEX MATCH "[0-9].[0-9].[0-9]" COMPILER_C_VERSION "${COMPILER_C_VERSION}")
213     string(REGEX MATCH "^[0-9]" COMPILER_C_MAJOR_VERSION "${COMPILER_C_VERSION}")
214     string(REGEX MATCH "^[0-9].[0-9]" COMPILER_C_MINOR_VERSION "${COMPILER_C_VERSION}")
215     string(REGEX REPLACE "^${COMPILER_C_MAJOR_VERSION}." "" COMPILER_C_MINOR_VERSION "${COMPILER_C_MINOR_VERSION}")
216     if(COMPILER_C_MAJOR_VERSION)
217       # set(__GNUC__ ${COMPILER_C_MAJOR_VERSION})
218     endif()
219     if(COMPILER_C_MINOR_VERSION)
220       # set(__GNUC_MINOR__ ${COMPILER_C_MINOR_VERSION})
221     endif()
222   else()
223     message(FATAL_ERROR "Please use MinGW to compile SimGrid!")
224   endif()
225
226   if(ARCH_32_BITS)      ### Arch 32bits
227     set(_WIN32 1)
228   else()        ### Arch 64bits
229     set(_WIN64 1)
230   endif()
231
232   set(NSIS_WIN_VERSION $ENV{PROCESSOR_ARCHITEW6432})
233   if(NSIS_WIN_VERSION MATCHES "")
234     set(NSIS_WIN_VERSION $ENV{PROCESSOR_ARCHITECTURE})
235   endif()
236   if(${NSIS_WIN_VERSION})
237     string(TOLOWER ${NSIS_WIN_VERSION} NSIS_WIN_VERSION)
238   endif()
239
240   set(_XBT_WIN32 1)
241
242   message(STATUS "C_COMPILER                    ${CMAKE_C_COMPILER} ${COMPILER_C_VERSION}")
243   message(STATUS "CXX_COMPILER                  ${CMAKE_CXX_COMPILER} ${COMPILER_CXX_VERSION}")
244   message(STATUS "CMAKE_RC_COMPILER             ${CMAKE_RC_COMPILER}")
245   message(STATUS "INCLUDE                       ${CMAKE_INCLUDE_WIN}")
246   message(STATUS "LIB                           ${CMAKE_LIB_WIN}")
247   message(STATUS "MAKE_PROGRAM                  ${CMAKE_MAKE_PROGRAM}")
248   message(STATUS "CMAKE_BUILD_TOOL              ${CMAKE_BUILD_TOOL}")
249   message(STATUS "LINKER                        ${CMAKE_LINKER}")
250   message(STATUS "CMAKE_GENERATOR               ${CMAKE_GENERATOR}")
251   message(STATUS "GNUC                          ${CMAKE_COMPILER_IS_GNUCC}")
252
253 endif()
254
255 include_directories(${INCLUDES})
256
257 ### Setup Options
258 include(${CMAKE_HOME_DIRECTORY}/buildtools/Cmake/Option.cmake)
259
260 ### Make the *.h files with *.h.in files
261 include(${CMAKE_HOME_DIRECTORY}/buildtools/Cmake/CompleteInFiles.cmake)
262
263 ### Define source packages for Libs
264 include(${CMAKE_HOME_DIRECTORY}/buildtools/Cmake/DefinePackages.cmake)
265
266 ### Build some Maintainer files
267 include(${CMAKE_HOME_DIRECTORY}/buildtools/Cmake/MaintainerMode.cmake)
268 include(${CMAKE_HOME_DIRECTORY}/buildtools/Cmake/UnitTesting.cmake)
269
270 ### Setup gcc flags
271 include(${CMAKE_HOME_DIRECTORY}/buildtools/Cmake/Flags.cmake)
272
273 ### Make Libs
274 if(NOT WIN32)
275   include(${CMAKE_HOME_DIRECTORY}/buildtools/Cmake/MakeLib.cmake)
276 else()
277   include(${CMAKE_HOME_DIRECTORY}/buildtools/Cmake/MakeLibWin.cmake)
278 endif()
279
280 ### Make Exes
281 include(${CMAKE_HOME_DIRECTORY}/buildtools/Cmake/MakeExe.cmake)
282
283 ### Make tests
284 if(enable_memcheck_xml)
285   set(enable_memcheck true)
286 endif()
287
288 include(${CMAKE_HOME_DIRECTORY}/buildtools/Cmake/AddTests.cmake)
289 include(${CMAKE_HOME_DIRECTORY}/buildtools/Cmake/CTestConfig.cmake)
290
291 ### Setup the distrib
292 include(${CMAKE_HOME_DIRECTORY}/buildtools/Cmake/Distrib.cmake)
293
294 ### Pipol compilation
295 include(${CMAKE_HOME_DIRECTORY}/buildtools/Cmake/Pipol.cmake)
296
297 ### Build the doc
298 if(NOT WIN32)
299   include(${CMAKE_HOME_DIRECTORY}/buildtools/Cmake/GenerateDoc.cmake)
300 else()
301   include(${CMAKE_HOME_DIRECTORY}/buildtools/Cmake/GenerateDocWin.cmake)
302 endif()
303
304 ### Print ARGS
305 include(${CMAKE_HOME_DIRECTORY}/buildtools/Cmake/PrintArgs.cmake)
306
307 INCLUDE(Dart)