X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/3361213add3b26e1cd3400c579dc3490ca60f0e1..eafc74c43ab183dd245821f7984729a9e7eb4880:/CMakeLists.txt

diff --git a/CMakeLists.txt b/CMakeLists.txt
index fb60a44236..053c42fc59 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -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)
 
@@ -286,6 +286,7 @@ endif()
 # Checks for header libraries functions.
 CHECK_LIBRARY_EXISTS(rt      clock_gettime           "" HAVE_POSIX_GETTIME)
 CHECK_LIBRARY_EXISTS(pthread pthread_setaffinity_np  "" HAVE_PTHREAD_SETAFFINITY)
+CHECK_INCLUDE_FILE("pthread_np.h" HAVE_PTHREAD_NP_H) # for pthread_setaffinity_np() on FreeBSD
 
 if(CMAKE_SYSTEM_NAME MATCHES "Darwin")
   set(CMAKE_REQUIRED_DEFINITIONS "-D_XOPEN_SOURCE=700 -D_DARWIN_C_SOURCE")
@@ -505,7 +506,7 @@ 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
@@ -513,11 +514,14 @@ 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)
+file(REMOVE ${CMAKE_BINARY_DIR}/src/simgrid/version.h.generated)
 
 # We need two versions of the SMPI scripts because they contain the path to the library
 # so, it depends of whether SimGrid is installed, or run from the sources (during the build)
@@ -750,6 +754,8 @@ 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)
@@ -765,25 +771,37 @@ 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")
+  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()