X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/0e0e1c85bc7b6be4258e3d482d909941368e4e56..c4c10825965e8d64382ec4338340290c66ce233d:/CMakeLists.txt

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3d9417b9e2..b7a206200e 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)
 
@@ -95,7 +95,7 @@ set(SIMGRID_VERSION_MINOR "21")
 set(SIMGRID_VERSION_PATCH "90")
 set(SIMGRID_VERSION_EXTRA "-DEVEL") # Extra words to add to version string (e.g. -rc1)
 
-set(SIMGRID_VERSION_DATE  "2018") # Year for copyright information
+set(SIMGRID_VERSION_DATE  "2019") # Year for copyright information
 
 if(${SIMGRID_VERSION_PATCH} EQUAL "0")
   set(release_version "${SIMGRID_VERSION_MAJOR}.${SIMGRID_VERSION_MINOR}")
@@ -121,11 +121,6 @@ endif()
 execute_process(COMMAND ${CMAKE_LINKER} -version OUTPUT_VARIABLE LINKER_VERSION ERROR_VARIABLE LINKER_VERSION)
 string(REGEX MATCH "[0-9].[0-9]*" LINKER_VERSION "${LINKER_VERSION}")
 
-### Set the library providing dlopen
-if("${CMAKE_SYSTEM_NAME}" MATCHES "kFreeBSD|Linux")
-  find_library(DL_LIBRARY dl)
-endif()
-
 ### Find programs and paths
 FIND_PROGRAM(GCOV_PATH gcov)
 include(FindPerl)
@@ -139,7 +134,7 @@ 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).")
+  message(FATAL_ERROR "Please install Python (version 3 or higher) to compile SimGrid.")
 endif()
 
 SET(LIBRARY_OUTPUT_PATH ${CMAKE_BINARY_DIR}/lib)
@@ -254,7 +249,7 @@ else()
   endif()
 endif()
 
-# cmake up to 3.12.3 (at least) does not know about stacktrace components. Inform it.
+# cmake before 3.13.1 does not know about stacktrace components. Fix it.
 # Usable components: https://www.boost.org/doc/libs/1_65_1/doc/html/stacktrace/configuration_and_build.html
 set(_Boost_STACKTRACE_HEADERS           "boost/stacktrace.hpp")
 set(_Boost_STACKTRACE_BACKTRACE_HEADERS "boost/stacktrace.hpp")
@@ -290,9 +285,8 @@ 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)
+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")
@@ -332,9 +326,9 @@ 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 "${CMAKE_SYSTEM}" MATCHES "Linux|FreeBSD")
@@ -398,7 +392,6 @@ endif()
 if(enable_smpi)
   SET(HAVE_SMPI 1)
   if("${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")
@@ -409,81 +402,7 @@ else()
 endif()
 
 #--------------------------------------------------------------------------------------------------
-### Initialize of CONTEXT THREADS
-
-set(HAVE_THREAD_CONTEXTS 0)
-if(CMAKE_USE_PTHREADS_INIT)
-  ### Test that we have a way to create semaphores
-
-  set(HAVE_SEM_OPEN 0)
-  CHECK_LIBRARY_EXISTS(pthread sem_open "" HAVE_SEM_OPEN_LIB)
-  if(HAVE_SEM_OPEN_LIB)
-    try_run(semopen_retval semopen_compilable
-            ${CMAKE_BINARY_DIR}
-            ${CMAKE_HOME_DIRECTORY}/tools/cmake/test_prog/prog_sem_open.c
-	    LINK_LIBRARIES pthread
-	    COMPILE_OUTPUT_VARIABLE semopen_compilmsg
-            RUN_OUTPUT_VARIABLE semopen_runmsg)
-    
-    if(semopen_compilable)
-      if(NOT semopen_retval) # error if not 0
-        message(STATUS "sem_open is compilable and executable")
-	set(HAVE_SEM_OPEN 1)
-      else()
-        message(STATUS "Warning: sem_open seems compilable but not executable")
-        message(STATUS "Compilation output: ${semopen_compilmsg}")
-        message(STATUS "Execution output: ${semopen_runmsg}")
-        message(STATUS "Exit value: ${semopen_retval}")
-      endif()
-    else()
-      message(STATUS "Warning: sem_open not compilable")
-      message(STATUS "Compilation output: ${semopen_compilmsg}")
-    endif()
-    unset(semopen_compilable)
-    unset(semopen_retval)
-    unset(semopen_runmsg)
-    unset(semopen_compilmsg)
-  endif()
-
-  set(HAVE_SEM_INIT 0)  
-  if(NOT APPLE) # OS X El Capitan deprecates this function
-    CHECK_LIBRARY_EXISTS(pthread sem_init "" HAVE_SEM_INIT_LIB)
-  endif()
-  if(HAVE_SEM_INIT_LIB)
-    try_run(seminit_retval seminit_compilable
-            ${CMAKE_BINARY_DIR}
-            ${CMAKE_HOME_DIRECTORY}/tools/cmake/test_prog/prog_sem_init.c
-	    LINK_LIBRARIES pthread
-	    COMPILE_OUTPUT_VARIABLE seminit_compilmsg
-            RUN_OUTPUT_VARIABLE seminit_runmsg)
-    
-    if(seminit_compilable)
-      if(NOT seminit_retval) # error if not 0
-        message(STATUS "sem_init is compilable and executable")
-	set(HAVE_SEM_INIT 1)
-      else()
-        message(STATUS "Warning: sem_init seems compilable but not executable")
-        message(STATUS "Compilation output: ${seminit_compilmsg}")
-        message(STATUS "Execution output: ${seminit_runmsg}")
-        message(STATUS "Exit value: ${seminit_retval}")
-      endif()
-    else()
-      message(STATUS "Warning: sem_init not compilable")
-      message(STATUS "Compilation output: ${seminit_compilmsg}")
-    endif()
-    unset(seminit_compilable)
-    unset(seminit_retval)
-    unset(seminit_runmsg)
-    unset(seminit_compilmsg)
-  endif()
-
-  if(NOT HAVE_SEM_OPEN AND NOT HAVE_SEM_INIT)
-    message(FATAL_ERROR "Semaphores are not usable (failed to use both sem_open and sem_init), but they are mandatory to threads (you may need to mount /dev).")
-  endif()
-
-  set(HAVE_THREAD_CONTEXTS 1)
-  message(STATUS "Support for thread context factory ok.")
-endif()
+### Check what context backends are available
 
 set(HAVE_UCONTEXT_CONTEXTS 0)
 if(NOT HAVE_UCONTEXT_H)
@@ -585,21 +504,19 @@ else()
   set(GIT_VERSION "none, release version")
 endif()
 
-### Setup gcc & clang flags
-if (NOT MSVC)
-  include(${CMAKE_HOME_DIRECTORY}/tools/cmake/GCCFlags.cmake)
-endif()
-
 ### Generate the required headers and scripts
 #############################################
 
 # Avoid triggering a (full) rebuild by touching the files if they did not really change
-configure_file("${CMAKE_HOME_DIRECTORY}/tools/cmake/src/internal_config.h.in" "${CMAKE_BINARY_DIR}/src/internal_config.h.generated"    @ONLY IMMEDIATE)
-configure_file("${CMAKE_HOME_DIRECTORY}/include/simgrid/config.h.in"          "${CMAKE_BINARY_DIR}/include/simgrid/config.h.generated" @ONLY IMMEDIATE)
+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)
@@ -832,6 +749,13 @@ SET_DIRECTORY_PROPERTIES(PROPERTIES ADDITIONAL_MAKE_CLEAN_FILES
 ### Define source packages for Libs
 include(${CMAKE_HOME_DIRECTORY}/tools/cmake/DefinePackages.cmake)
 
+### Setup gcc & clang flags (include *after* DefinePackage.cmake)
+if (NOT MSVC)
+  include(${CMAKE_HOME_DIRECTORY}/tools/cmake/Flags.cmake)
+endif()
+
+add_custom_target(tests COMMENT "Recompiling the tests")
+
 ### Build some Maintainer files
 include(${CMAKE_HOME_DIRECTORY}/tools/cmake/MaintainerMode.cmake)
 include(${CMAKE_HOME_DIRECTORY}/tools/cmake/UnitTesting.cmake)
@@ -847,6 +771,64 @@ if(enable_java)
   include(${CMAKE_HOME_DIRECTORY}/tools/cmake/Java.cmake)
 endif()
 
+# 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)
+
+  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)
+    
+    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 2.2.0)
+  endif()
+  
+  if(NOT PYTHONLIBS_FOUND)
+    message(STATUS "Python libs not found. Turn pybind11 off.")
+
+    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)
+    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
+                          CXX_VISIBILITY_PRESET "default")
+    add_dependencies(tests python-bindings)
+    set_property(TARGET python-bindings
+                 APPEND PROPERTY INCLUDE_DIRECTORIES "${INTERNAL_INCLUDES}")
+  else()
+    message(FATAL_ERROR "Please install pybind11-dev to build the Python bindings (or disable that option).")
+  endif()
+endif()
+mark_as_advanced(PYBIND11_PYTHON_VERSION)
+mark_as_advanced(pybind11_DIR)
+
 ### Make tests
 if(enable_memcheck_xml)
   set(enable_memcheck true)
@@ -911,6 +893,7 @@ 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: ${CMAKE_Fortran_COMPILER_ID})")
@@ -938,6 +921,12 @@ if (${Java_FOUND})
 else()
   message("        Compile Java ................: NO")
 endif()
+if(pybind11_FOUND)
+  message("        Compile Python bindings .....: ${enable_python}")
+  message("          module ....................: ${PYTHON_MODULE_PREFIX}simgrid${PYTHON_MODULE_EXTENSION}")
+else()
+  message("        Compile Python bindings .....: NO (disabled, or pybind11 not found)")
+endif()
 message("        Compile Lua .................: ${SIMGRID_HAVE_LUA}")
 message("        Compile Smpi ................: ${HAVE_SMPI}")
 message("          Smpi fortran ..............: ${SMPI_FORTRAN}")