X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/8bc85164acb335cf909052b966b2ee4932e06cd7..a831415e35172e5ffe0b7878c5c2ea6e73f35720:/CMakeLists.txt

diff --git a/CMakeLists.txt b/CMakeLists.txt
index bae099b0eb..8fc0284ae2 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,7 +1,7 @@
 # Build the version number
 
 set(SIMGRID_VERSION_MAJOR "3")
-set(SIMGRID_VERSION_MINOR "25")
+set(SIMGRID_VERSION_MINOR "27")
 set(SIMGRID_VERSION_PATCH "1") # odd => git branch; even => stable release or released snapshot
 
 if(${SIMGRID_VERSION_PATCH} EQUAL "0")
@@ -51,15 +51,15 @@ set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -g3")
 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -g3")
 
 if (CMAKE_COMPILER_IS_GNUCC)    
-  if (CMAKE_CXX_COMPILER_VERSION VERSION_LESS "4.7")
+  if (CMAKE_CXX_COMPILER_VERSION VERSION_LESS "5.0")
     message(FATAL_ERROR
-            "SimGrid needs at least g++ version 4.7 to compile but you have ${CMAKE_CXX_COMPILER_VERSION}."
-            "You need a sufficient support of c++11 to compile SimGrid.")
+            "SimGrid needs at least g++ version 5.0 to compile but you have ${CMAKE_CXX_COMPILER_VERSION}."
+            "You need a sufficient support of c++14 to compile SimGrid.")
   endif()
 endif()
 
-## We need a decent support of the C++11 and C11 standards
-set(CMAKE_CXX_STANDARD 11)
+## We need a decent support of the C++14 and C11 standards
+set(CMAKE_CXX_STANDARD 14)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 
 set(CMAKE_C_STANDARD 11)
@@ -137,12 +137,20 @@ if(NOT PERL_FOUND)
 endif()
 
 # tesh.py needs python 3 (or the module python-subprocess32 on python2.8+)
-set(PythonInterp_FIND_VERSION 3)
-set(PythonInterp_FIND_VERSION_COUNT 1)
-set(PythonInterp_FIND_VERSION_MAJOR 3)
-include(FindPythonInterp)
-if(NOT PYTHONINTERP_FOUND)
-  message(FATAL_ERROR "Please install Python (version 3 or higher) to compile SimGrid.")
+if(CMAKE_VERSION VERSION_LESS "3.12")
+  set(PythonInterp_FIND_VERSION 3)
+  set(PythonInterp_FIND_VERSION_COUNT 1)
+  set(PythonInterp_FIND_VERSION_MAJOR 3)
+  include(FindPythonInterp)
+  if(NOT PYTHONINTERP_FOUND)
+    message(FATAL_ERROR "Please install Python (version 3 or higher) to compile SimGrid.")
+  endif()
+else()
+  find_package(Python3 COMPONENTS Interpreter Development)
+  if(NOT Python3_Interpreter_FOUND)
+    message(FATAL_ERROR "Please install Python (version 3 or higher) to compile SimGrid.")
+  endif()
+  set(PYTHON_EXECUTABLE ${Python3_EXECUTABLE})
 endif()
 
 SET(LIBRARY_OUTPUT_PATH ${CMAKE_BINARY_DIR}/lib)
@@ -229,6 +237,9 @@ set(SIMGRID_HAVE_NS3 0)
 if(enable_ns3)
   include(FindNS3)
   if (SIMGRID_HAVE_NS3)
+    if (NS3_VERSION VERSION_LESS "3.28")
+      message(FATAL_ERROR "SimGrid needs at least ns-3.28. Please upgrade or disable that cmake option.")
+    endif()
     set(SIMGRID_HAVE_NS3 1)
     foreach(lib core csma point-to-point internet network applications wifi)
       set(SIMGRID_DEP "${SIMGRID_DEP} -lns${NS3_VERSION}-${lib}${NS3_SUFFIX}")
@@ -328,15 +339,11 @@ endif()
 
 CHECK_INCLUDE_FILE("valgrind/valgrind.h" HAVE_VALGRIND_H)
 CHECK_INCLUDE_FILE("unistd.h" HAVE_UNISTD_H)
-CHECK_INCLUDE_FILE("signal.h" HAVE_SIGNAL_H)
-CHECK_INCLUDE_FILE("sys/param.h" HAVE_SYS_PARAM_H)
-CHECK_INCLUDE_FILE("sys/sysctl.h" HAVE_SYS_SYSCTL_H)
 CHECK_INCLUDE_FILE("linux/futex.h" HAVE_FUTEX_H)
 
 CHECK_FUNCTION_EXISTS(dlfunc HAVE_DLFUNC)
 CHECK_FUNCTION_EXISTS(gettimeofday HAVE_GETTIMEOFDAY)
 CHECK_FUNCTION_EXISTS(nanosleep HAVE_NANOSLEEP)
-CHECK_FUNCTION_EXISTS(getdtablesize HAVE_GETDTABLESIZE)
 CHECK_FUNCTION_EXISTS(sysconf HAVE_SYSCONF)
 CHECK_FUNCTION_EXISTS(process_vm_readv HAVE_PROCESS_VM_READV)
 CHECK_FUNCTION_EXISTS(mmap HAVE_MMAP)
@@ -385,23 +392,13 @@ else()
   SET(SIMGRID_HAVE_MALLOCATOR 0)
 endif()
 
-if (minimal-bindings)
-  message(STATUS "Don't look for libunwind as we build minimal binding libraries.")
-  if(enable_model-checking)
-    message(FATAL_ERROR "You cannot enable model-checking and minimal-bindings at the same time.")
-  endif()
-else()
+if(enable_model-checking)
   include(FindLibunwind)
   if(HAVE_LIBUNWIND)
     SET(SIMGRID_DEP "${SIMGRID_DEP} ${LIBUNWIND_LIBRARIES}")
   else()
-    if(enable_model-checking)
-      message(FATAL_ERROR "Please install libunwind-dev libdw-dev libelf-dev libevent-dev if you want to compile the SimGrid model checker.")
-    endif()
+    message(FATAL_ERROR "Please install libunwind-dev libdw-dev libelf-dev libevent-dev if you want to compile the SimGrid model checker.")
   endif()
-endif()
-
-if(enable_model-checking)
   find_package(Libdw REQUIRED)
   find_package(Libelf REQUIRED)
   find_package(Libevent REQUIRED)
@@ -427,8 +424,6 @@ if (enable_model-checking AND enable_ns3)
   message(FATAL_ERROR "Cannot activate both model-checking and ns-3 bindings: ns-3 pulls too much dependencies for the MC to work")
 endif()
 
-get_property(known_features GLOBAL PROPERTY CMAKE_CXX_KNOWN_FEATURES)
-
 if(enable_smpi)
   SET(HAVE_SMPI 1)
   if(WIN32)
@@ -643,6 +638,8 @@ if(NOT "${CMAKE_BINARY_DIR}" STREQUAL "${CMAKE_HOME_DIRECTORY}")
   configure_file(${CMAKE_HOME_DIRECTORY}/teshsuite/smpi/hostfile ${CMAKE_BINARY_DIR}/teshsuite/smpi/hostfile COPYONLY)
   configure_file(${CMAKE_HOME_DIRECTORY}/teshsuite/smpi/hostfile_cluster ${CMAKE_BINARY_DIR}/teshsuite/smpi/hostfile_cluster COPYONLY)
   configure_file(${CMAKE_HOME_DIRECTORY}/teshsuite/smpi/hostfile_coll ${CMAKE_BINARY_DIR}/teshsuite/smpi/hostfile_coll COPYONLY)
+  configure_file(${CMAKE_HOME_DIRECTORY}/teshsuite/smpi/hostfile_io ${CMAKE_BINARY_DIR}/teshsuite/smpi/hostfile_io COPYONLY)
+  configure_file(${CMAKE_HOME_DIRECTORY}/teshsuite/smpi/hostfile_empty ${CMAKE_BINARY_DIR}/teshsuite/smpi/hostfile_empty COPYONLY)
 
   configure_file(${CMAKE_HOME_DIRECTORY}/examples/smpi/replay_multiple/description_file ${CMAKE_BINARY_DIR}/examples/smpi/replay_multiple/description_file COPYONLY)
   configure_file(${CMAKE_HOME_DIRECTORY}/examples/smpi/replay_multiple/README ${CMAKE_BINARY_DIR}/examples/smpi/replay_multiple/README COPYONLY)
@@ -777,7 +774,9 @@ endif()
 SET_DIRECTORY_PROPERTIES(PROPERTIES ADDITIONAL_MAKE_CLEAN_FILES
   "${generated_files_to_clean}")
 
-add_custom_target(tests COMMENT "Recompiling the tests")
+add_custom_target(tests    COMMENT "Recompiling the tests")
+add_custom_target(tests-mc COMMENT "Recompiling the MC tests and tools.")
+add_dependencies(tests tests-mc)
 
 ### Build some Maintainer files
 include(${CMAKE_HOME_DIRECTORY}/tools/cmake/MaintainerMode.cmake)
@@ -793,49 +792,32 @@ if(enable_java)
   include(${CMAKE_HOME_DIRECTORY}/tools/cmake/Java.cmake)
 endif()
 
-if (enable_model-checking AND (NOT ("cxx_std_14" IN_LIST known_features)))
-  message(WARNING "C++14 not found. The model-checker will use a slow hash function. You should upgrade your compiler")
-  set(SG_HAVE_CPP14 0)
-else()
-  set(SG_HAVE_CPP14 1)
-  set_property(TARGET simgrid PROPERTY CXX_STANDARD 14)    
-endif()
-
 # Python binding (with pybind11)
 ################
-# Our usage of pybind11::overload_cast mandates C++14
 if((NOT DEFINED enable_python) OR enable_python)
-  if("cxx_std_14" IN_LIST known_features)
-
-    if(EXISTS ${CMAKE_HOME_DIRECTORY}/pybind11) # Try to use a local copy of pybind11, if any
-      message(STATUS "Use the internal copy of pybind11 (using C++14).")
-      add_subdirectory(${CMAKE_HOME_DIRECTORY}/pybind11)
-      set(pybind11_FOUND ON)
+  if(EXISTS ${CMAKE_HOME_DIRECTORY}/pybind11) # Try to use a local copy of pybind11, if any
+    message(STATUS "Use the internal copy of pybind11.")
+    add_subdirectory(${CMAKE_HOME_DIRECTORY}/pybind11)
+    set(pybind11_FOUND ON)
 
-      set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${CMAKE_HOME_DIRECTORY}/pybind11/tools/)
-      set(Python_ADDITIONAL_VERSIONS 3.7 3.6 3.5 3.4)
-      find_package(PythonLibsNew ${PYBIND11_PYTHON_VERSION} REQUIRED)
-
-    else()
-      find_package(pybind11 CONFIG)
-      message(STATUS "Pybind11 version: ${pybind11_VERSION}")
-      if (pybind11_VERSION VERSION_LESS 2.4)
-        message(STATUS "SimGrid needs at least v2.4 of pybind11. Disabling the Python bindings.")
-        set(pybind11_FOUND OFF)
-      endif()
-    endif()
-
-    if(NOT PYTHONLIBS_FOUND)
-      message(STATUS "Python libs not found. Turn pybind11 off.")
+    set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${CMAKE_HOME_DIRECTORY}/pybind11/tools/)
+    set(Python_ADDITIONAL_VERSIONS 3.9 3.8 3.7 3.6 3.5 3.4)
+    find_package(PythonLibsNew ${PYBIND11_PYTHON_VERSION} REQUIRED)
 
+  else()
+    find_package(pybind11 CONFIG)
+    message(STATUS "Pybind11 version: ${pybind11_VERSION}")
+    if (pybind11_VERSION VERSION_LESS 2.4)
+      message(STATUS "SimGrid needs at least v2.4 of pybind11. Disabling the Python bindings.")
       set(pybind11_FOUND OFF)
     endif()
+  endif()
+
+  if(NOT PYTHONLIBS_FOUND AND NOT Python3_Development_FOUND)
+    message(STATUS "Python libs not found. Turn pybind11 off.")
 
-  else()
-    message(STATUS "No support for C++14 detected, don't even search for pybind11.")
     set(pybind11_FOUND OFF)
   endif()
-  unset(known_features)
 endif()
 
 option(enable_python "Whether the Python bindings are activated." ${pybind11_FOUND}) # ON by default if dependencies are met
@@ -847,7 +829,7 @@ endif()
 
 if(enable_python)
   if(pybind11_FOUND)
-    message(STATUS "Found pybind11, with C++14.")
+    message(STATUS "Found pybind11.")
     if(NOT enable_lto)
       set(pybind11_options NO_EXTRAS)
     endif()