X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/c46c0b0d1e605253fa05ccf16251d1a753b3fec7..3219cfd2e43b93e0646b50d71143066a6cbbe1a5:/CMakeLists.txt

diff --git a/CMakeLists.txt b/CMakeLists.txt
index f8fc1825f7..abfa14c7df 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,20 +1,58 @@
 cmake_minimum_required(VERSION 2.6)
+
 ### Need to set rc ccompiler before enable language
 if(WIN32)
   SET(CMAKE_RC_COMPILER "windres")
 endif()
 project(SimGrid C)
 
+## 
+## Check the C/C++ standard that we need
+##   See also buildtools/Cmake/Flags.cmake that sets our paranoid warning flags
+
 enable_language(CXX)
 
 INCLUDE(CheckCCompilerFlag)
 CHECK_C_COMPILER_FLAG(-fstack-cleaner HAVE_C_STACK_CLEANER)
 
-if (APPLE)
-  set(CMAKE_INSTALL_RPATH "${CMAKE_INSTALL_PREFIX}/lib")
-  set(CMAKE_INSTALL_RPATH_USE_LINK_PATH TRUE)
+## Request full debugging flags
+set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -g3")
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -g3")
+set(CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS} -g")
+
+if (CMAKE_COMPILER_IS_GNUCC)
+  if (COMPILER_CXX_VERSION_MAJOR_MINOR STRLESS "4.7")
+    message(FATAL_ERROR
+            "SimGrid needs at least g++ version 4.7 to compile "
+	    "(c++11 support of previous versions is too limited).")
+  endif()
+endif()
+
+## We need a decent support of the c++11 standard
+include(CheckCXXCompilerFlag)
+CHECK_CXX_COMPILER_FLAG("-std=c++11" COMPILER_SUPPORTS_CXX11)
+if(COMPILER_SUPPORTS_CXX11)
+  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
+else()
+  message(FATAL_ERROR 
+          "The compiler ${CMAKE_CXX_COMPILER} has no C++11 support. "
+	  "Please use a decent C++ compiler.")
 endif()
 
+### And we need C11 standard, too
+include(CheckCCompilerFlag)
+CHECK_C_COMPILER_FLAG("-std=gnu11" COMPILER_SUPPORTS_C11)
+if(COMPILER_SUPPORTS_C11)
+  set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=gnu11")
+else()
+  message(FATAL_ERROR 
+          "The compiler ${CMAKE_C_COMPILER} has no C11 support. "
+	  "Please use a decent C compiler "
+	  "(note that c++11 support of ${CMAKE_CXX_COMPILER} seems ok).")
+endif()
+
+
+### SMPI vs. Fortran
 if ((NOT DEFINED enable_smpi OR enable_smpi) AND NOT APPLE) # smpi is enabled by default
   # Call enable_language(Fortran) in order to load the build rules for
   # this language, needed by teshsuite/smpi/mpich-test/.  Use
@@ -121,6 +159,11 @@ if(NOT PERL_EXECUTABLE)
   message(FATAL_ERROR "-- SimGrid cannot be compiled without Perl installed -- sorry. Bailling out.")
 endif()
 
+if (APPLE)
+  set(CMAKE_INSTALL_RPATH "${CMAKE_INSTALL_PREFIX}/lib")
+  set(CMAKE_INSTALL_RPATH_USE_LINK_PATH TRUE)
+endif()
+
 ### Set some variables for Cmake
 SET(LIBRARY_OUTPUT_PATH ${CMAKE_BINARY_DIR}/lib)
 
@@ -174,8 +217,6 @@ if(WIN32)
     if(COMPILER_C_MINOR_VERSION)
       # set(__GNUC_MINOR__ ${COMPILER_C_MINOR_VERSION})
     endif()
-    set(MSVC 0)
-    set(BORLAND 0)
   else()
     message(FATAL_ERROR "Please use MinGW to compile SimGrid!")
   endif()
@@ -205,8 +246,6 @@ if(WIN32)
   message(STATUS "CMAKE_BUILD_TOOL              ${CMAKE_BUILD_TOOL}")
   message(STATUS "LINKER                        ${CMAKE_LINKER}")
   message(STATUS "CMAKE_GENERATOR               ${CMAKE_GENERATOR}")
-  message(STATUS "BORLAND                       ${BORLAND}")
-  message(STATUS "VISUALC                       ${MSVC}")
   message(STATUS "GNUC                          ${CMAKE_COMPILER_IS_GNUCC}")
 
 endif()