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rename GCCFlags.cmake file in Flags.cmake
[simgrid.git] / CMakeLists.txt
index f934f2f..3e61006 100644 (file)
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 2.8.8)
+cmake_minimum_required(VERSION 3.5)
 message(STATUS "Cmake version ${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION}.${CMAKE_PATCH_VERSION}")
 set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${CMAKE_HOME_DIRECTORY}/tools/cmake/Modules)
 
@@ -15,7 +15,7 @@ endif()
 
 ## 
 ## Check the C/C++ standard that we need
-##   See also tools/cmake/GCCFlags.cmake that sets our paranoid warning flags
+##   See also tools/cmake/Flags.cmake that sets our paranoid warning flags
 INCLUDE(CheckCCompilerFlag)
 CHECK_C_COMPILER_FLAG(-fstack-cleaner HAVE_C_STACK_CLEANER)
 
@@ -285,8 +285,6 @@ endif()
 
 # Checks for header libraries functions.
 CHECK_LIBRARY_EXISTS(rt      clock_gettime           "" HAVE_POSIX_GETTIME)
-
-set(HAVE_PTHREAD_SETAFFINITY 0)
 CHECK_LIBRARY_EXISTS(pthread pthread_setaffinity_np  "" HAVE_PTHREAD_SETAFFINITY)
 
 if(CMAKE_SYSTEM_NAME MATCHES "Darwin")
@@ -327,9 +325,9 @@ endif()
 CHECK_INCLUDE_FILE("sys/sendfile.h" HAVE_SENDFILE_H)
 CHECK_FUNCTION_EXISTS(sendfile HAVE_SENDFILE)
 if(HAVE_SENDFILE_H AND HAVE_SENDFILE)
-  set(HAVE_SENDFILE 1)
+  set(SG_HAVE_SENDFILE 1)
 else()
-  set(HAVE_SENDFILE 0)
+  set(SG_HAVE_SENDFILE 0)
 endif()
 
 if(enable_model-checking AND NOT "${CMAKE_SYSTEM}" MATCHES "Linux|FreeBSD")
@@ -393,7 +391,6 @@ endif()
 if(enable_smpi)
   SET(HAVE_SMPI 1)
   if("${CMAKE_SYSTEM}" MATCHES "Darwin|FreeBSD|Linux")
-    SET(USE_LIBUTIL 0)
     SET(HAVE_PRIVATIZATION 1)
   else()
     message (STATUS "Warning:  no support for SMPI automatic privatization on this platform")
@@ -508,7 +505,7 @@ endif()
 
 ### Setup gcc & clang flags
 if (NOT MSVC)
-  include(${CMAKE_HOME_DIRECTORY}/tools/cmake/GCCFlags.cmake)
+  include(${CMAKE_HOME_DIRECTORY}/tools/cmake/Flags.cmake)
 endif()
 
 ### Generate the required headers and scripts
@@ -516,8 +513,10 @@ endif()
 
 # Avoid triggering a (full) rebuild by touching the files if they did not really change
 configure_file("${CMAKE_HOME_DIRECTORY}/src/internal_config.h.in"    "${CMAKE_BINARY_DIR}/src/internal_config.h.generated"    @ONLY IMMEDIATE)
+configure_file("${CMAKE_HOME_DIRECTORY}/src/simgrid/version.h.in"    "${CMAKE_BINARY_DIR}/src/simgrid/version.h.generated" @ONLY IMMEDIATE)
 configure_file("${CMAKE_HOME_DIRECTORY}/include/simgrid/config.h.in" "${CMAKE_BINARY_DIR}/include/simgrid/config.h.generated" @ONLY IMMEDIATE)
 execute_process(COMMAND ${CMAKE_COMMAND} -E copy_if_different ${CMAKE_BINARY_DIR}/src/internal_config.h.generated ${CMAKE_BINARY_DIR}/src/internal_config.h)
+execute_process(COMMAND ${CMAKE_COMMAND} -E copy_if_different ${CMAKE_BINARY_DIR}/src/simgrid/version.h.generated ${CMAKE_BINARY_DIR}/src/simgrid/version.h)
 execute_process(COMMAND ${CMAKE_COMMAND} -E copy_if_different ${CMAKE_BINARY_DIR}/include/simgrid/config.h.generated ${CMAKE_BINARY_DIR}/include/simgrid/config.h)
 file(REMOVE ${CMAKE_BINARY_DIR}/src/internal_config.h.generated)
 file(REMOVE ${CMAKE_BINARY_DIR}/include/simgrid/config.h.generated)
@@ -753,6 +752,8 @@ SET_DIRECTORY_PROPERTIES(PROPERTIES ADDITIONAL_MAKE_CLEAN_FILES
 ### Define source packages for Libs
 include(${CMAKE_HOME_DIRECTORY}/tools/cmake/DefinePackages.cmake)
 
+add_custom_target(tests COMMENT "Recompiling the tests")
+
 ### Build some Maintainer files
 include(${CMAKE_HOME_DIRECTORY}/tools/cmake/MaintainerMode.cmake)
 include(${CMAKE_HOME_DIRECTORY}/tools/cmake/UnitTesting.cmake)
@@ -768,20 +769,37 @@ if(enable_java)
   include(${CMAKE_HOME_DIRECTORY}/tools/cmake/Java.cmake)
 endif()
 
-# Python binding, generated with pybind11
-set(PYBIND11_CPP_STANDARD -std=c++11)
-find_package(pybind11 2.2.0)
-if(NOT PYTHONLIBS_FOUND)
+# Python binding (with pybind11)
+################
+
+# Our usage of pybind11::overload_cast mandates C++14
+get_property(known_features GLOBAL PROPERTY CMAKE_CXX_KNOWN_FEATURES)
+if ("cxx_std_14" IN_LIST known_features)
+  find_package(pybind11 2.2.0)
+  if(NOT PYTHONLIBS_FOUND)
+    set(pybind11_FOUND OFF)
+  endif()
+else()
+  message(STATUS "No support for C++14 detected, don't even search for pybind11.")
   set(pybind11_FOUND OFF)
 endif()
+unset(known_features)
+
 option(enable_python "Whether the Python bindings are activated." ${pybind11_FOUND}) # ON by default if dependencies are met
 
+if("${CMAKE_SYSTEM}" MATCHES "FreeBSD" AND enable_model-checking AND enable_python)
+  message(WARNING "FreeBSD + Model-Checking + Python = too much for now. Disabling python.")
+  set(enable_python FALSE)
+endif()
+
 if(enable_python)
   if(pybind11_FOUND)
+    message(STATUS "Found pybind11, with C++14.")
     pybind11_add_module(python-bindings src/bindings/python/simgrid_python.cpp)
-    set_source_files_properties(src/bindings/python/simgrid_python.cpp PROPERTIES COMPILE_FLAGS -std=c++14)
+    target_compile_features(python-bindings PRIVATE cxx_std_14)
     target_link_libraries(python-bindings PUBLIC simgrid)
     set_target_properties(python-bindings PROPERTIES LIBRARY_OUTPUT_NAME simgrid)
+    add_dependencies(tests python-bindings)
     set_property(TARGET python-bindings
                  APPEND PROPERTY INCLUDE_DIRECTORIES "${INTERNAL_INCLUDES}")
   else()
@@ -855,6 +873,7 @@ message("                version .............: ${CMAKE_CXX_COMPILER_VERSION}")
 if(${Java_FOUND})
   message("        Compiler: Javac .............: ${Java_JAVAC_EXECUTABLE}")
   message("                version .............: ${Java_VERSION_STRING}")
+  message("                runtime .............: ${Java_JAVA_EXECUTABLE}")
 endif()
 if(CMAKE_Fortran_COMPILER)
   message("        Compiler: Fortran ...........: ${SMPI_Fortran_COMPILER} (id: ${CMAKE_Fortran_COMPILER_ID})")