X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/3a1ea70a418f393ca1677074e928c664022295bd..34b1612aaf4fb4375dc39f42941027e56b80aafa:/CMakeLists.txt

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1af66cbd8e..4611a4f920 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 "32")
 set(SIMGRID_VERSION_PATCH "1") # odd => git branch; even => stable release or released snapshot
 
 if(${SIMGRID_VERSION_PATCH} EQUAL "0")
@@ -10,19 +10,20 @@ else()
   set(release_version "${SIMGRID_VERSION_MAJOR}.${SIMGRID_VERSION_MINOR}.${SIMGRID_VERSION_PATCH}")
 endif()
 
+if(WIN32 OR MINGW)
+  message(FATAL_ERROR "SimGrid does not build on native windows, nor with MinGW. Please use WSL2 instead.")
+endif()
+
 message(STATUS "Configuring SimGrid v${release_version}")
 
 set(SIMGRID_VERSION_STRING "SimGrid version ${release_version}")
 
 set(libsimgrid_version "${release_version}")
-set(libsimgrid-java_version "${release_version}")
 
 # Basic checks on cmake
-cmake_minimum_required(VERSION 3.5)
-#for lto, to avoid warning (should be removed when switching to requiring cmake >= 3.9)
-if(NOT CMAKE_VERSION VERSION_LESS "3.9")
-  cmake_policy(SET CMP0069 NEW)
-endif()
+cmake_minimum_required(VERSION 3.12)
+# once we move CMake to >= 3.13, we should use target_link_option in examples/sthread
+# once we move CMake to >= 3.13.1, we could get rid of _Boost_STACKTRACE_BACKTRACE_HEADERS
 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)
 
@@ -31,16 +32,10 @@ project(simgrid C CXX)
 # customizable installation directories
 include(GNUInstallDirs)
 
-## Save compiler flags preset with environment variables CFLAGS or CXXFLAGS;
-## they will used within smpicc, smpicxx.
-## Do it early so that we get their genuine values. The same will be done later for Fortran.
-string(REGEX REPLACE " *-f[a-z]+-prefix-map=[^ ]*" "" SMPI_C_FLAGS "${CMAKE_C_FLAGS}")
-string(REGEX REPLACE " *-f[a-z]+-prefix-map=[^ ]*" "" SMPI_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
-
 #-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#
 #     Check for the compiler        #
 #-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#
-## 
+##
 ## Check the C/C++ standard that we need
 ##   See also tools/cmake/Flags.cmake that sets our paranoid warning flags
 INCLUDE(CheckCCompilerFlag)
@@ -50,16 +45,16 @@ CHECK_C_COMPILER_FLAG(-fstack-cleaner HAVE_C_STACK_CLEANER)
 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 "5.0")
+if (CMAKE_COMPILER_IS_GNUCC)
+  if (CMAKE_CXX_COMPILER_VERSION VERSION_LESS "7.0")
     message(FATAL_ERROR
-            "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.")
+            "SimGrid needs at least g++ version 7.0 to compile but you have ${CMAKE_CXX_COMPILER_VERSION}."
+            "You need a sufficient support of c++17 to compile SimGrid.")
   endif()
 endif()
 
-## We need a decent support of the C++14 and C11 standards
-set(CMAKE_CXX_STANDARD 14)
+## We need a decent support of the C++17 and C11 standards
+set(CMAKE_CXX_STANDARD 17)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 
 set(CMAKE_C_STANDARD 11)
@@ -77,16 +72,16 @@ find_package(Threads)
 include(${CMAKE_HOME_DIRECTORY}/tools/cmake/Option.cmake)
 
 ### SMPI vs. Fortran
-if ((NOT DEFINED enable_smpi) OR enable_smpi) 
+if ((NOT DEFINED enable_smpi) OR enable_smpi)
   # First unset the compiler in case we're re-running cmake over a previous
   # configuration where it was saved as smpiff
   unset(CMAKE_Fortran_COMPILER)
-  
+
   SET(SMPI_FORTRAN 0)
   if(enable_fortran)
     enable_language(Fortran OPTIONAL)
   endif()
-  
+
   if(CMAKE_Fortran_COMPILER)
 
     # Fortran compiler detected: save it, then replace by smpiff
@@ -94,19 +89,19 @@ if ((NOT DEFINED enable_smpi) OR enable_smpi)
 
 	# Set flags/libs to be used in smpiff
     if(CMAKE_Fortran_COMPILER_ID MATCHES "GNU")
-      set(SMPI_Fortran_FLAGS "\"-fpic\" \"-ff2c\" \"-fno-second-underscore\"")
+      set(SMPI_Fortran_FLAGS_ "\"-fpic\" \"-ff2c\" \"-fno-second-underscore\"")
       set(SMPI_Fortran_LIBS "\"-lgfortran\"")
       set(SMPI_GFORTRAN 1)
     elseif(CMAKE_Fortran_COMPILER_ID MATCHES "Intel")
-      set(SMPI_Fortran_FLAGS "\"-fPIC\" \"-nofor-main\"")
+      set(SMPI_Fortran_FLAGS_ "\"-fPIC\" \"-nofor-main\"")
       set(SMPI_Fortran_LIBS "\"-lifcore\"")
       set(SMPI_IFORT 1)
     elseif(CMAKE_Fortran_COMPILER_ID MATCHES "PGI|Flang") # flang
-      set(SMPI_Fortran_FLAGS "\"-fPIC\"")
+      set(SMPI_Fortran_FLAGS_ "\"-fPIC\"")
       set(SMPI_Fortran_LIBS "")
       set(SMPI_FLANG 1)
     endif()
-    string(REGEX REPLACE " *-f[a-z]+-prefix-map=[^ ]*" "" SMPI_Fortran_FLAGS "${SMPI_Fortran_FLAGS} ${CMAKE_Fortran_FLAGS}")
+    set(SMPI_Fortran_FLAGS "${SMPI_Fortran_FLAGS_} ${SMPI_Fortran_FLAGS}")
 
     ## Request debugging flags for Fortran too
     set(CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS} -g")
@@ -116,12 +111,9 @@ if ((NOT DEFINED enable_smpi) OR enable_smpi)
 
 endif()
 
-### SET THE LIBRARY EXTENSION 
+### SET THE LIBRARY EXTENSION
 if(APPLE)
   set(LIB_EXE "dylib")
-elseif(WIN32)
-  set(LIB_EXE "a")
-  set(BIN_EXE ".exe")
 else()
   set(LIB_EXE "so")
 endif()
@@ -137,13 +129,11 @@ 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)
+find_package(Python3 COMPONENTS Interpreter)
+if(NOT Python3_Interpreter_FOUND)
   message(FATAL_ERROR "Please install Python (version 3 or higher) to compile SimGrid.")
 endif()
+set(PYTHON_EXECUTABLE ${Python3_EXECUTABLE})
 
 SET(LIBRARY_OUTPUT_PATH ${CMAKE_BINARY_DIR}/lib)
 
@@ -159,7 +149,6 @@ include_directories(
 set(INTERNAL_INCLUDES
   ${CMAKE_BINARY_DIR}
   ${CMAKE_HOME_DIRECTORY}
-  ${CMAKE_HOME_DIRECTORY}/src/include
   )
 
 if(enable_smpi)
@@ -170,41 +159,33 @@ if(NOT CMAKE_CROSSCOMPILING AND EXISTS /usr/include/)
   set(INTERNAL_INCLUDES ${INTERNAL_INCLUDES} /usr/include/)
 endif()
 
-if(WIN32)
-  set(CMAKE_INCLUDE_WIN "${CMAKE_C_COMPILER}")
-  set(CMAKE_LIB_WIN "${CMAKE_C_COMPILER}")
-  string(REGEX REPLACE "/bin/gcc.*" "/include"  CMAKE_INCLUDE_WIN "${CMAKE_INCLUDE_WIN}")
-  string(REGEX REPLACE "/bin/gcc.*" "/lib"  CMAKE_LIB_WIN "${CMAKE_LIB_WIN}")
-  set(INTERNAL_INCLUDES ${INTERNAL_INCLUDES} ${CMAKE_INCLUDE_WIN})
-  unset(CMAKE_INCLUDE_WIN)
-endif()
-
 # library dependency cannot start with a space (CMP0004), so initialize it with something that is never deactivated.
-set(SIMGRID_DEP "-lm") 
+set(SIMGRID_DEP "-lm")
 
 ### Determine the assembly flavor that we need today
 set(HAVE_RAW_CONTEXTS 0)
 include(CMakeDetermineSystem)
+foreach(arch i686 x86_64 arm64)
+  set(SIMGRID_PROCESSOR_${arch} 0)
+endforeach()
 IF(CMAKE_SYSTEM_PROCESSOR MATCHES ".86|AMD64|amd64")
   IF(CMAKE_SIZEOF_VOID_P EQUAL 4) # 32 bits
     message(STATUS "System processor: i686 (${CMAKE_SYSTEM_PROCESSOR}, 32 bits)")
     set(SIMGRID_PROCESSOR_i686 1)
-    set(SIMGRID_PROCESSOR_x86_64 0)
   ELSE()
     message(STATUS "System processor: x86_64 (${CMAKE_SYSTEM_PROCESSOR}, 64 bits)")
-    set(SIMGRID_PROCESSOR_i686 0)
     set(SIMGRID_PROCESSOR_x86_64 1)
   ENDIF()
-  if (WIN32)
-    message(STATUS "Disable fast raw contexts on Windows.")
-  elseif(CMAKE_SIZEOF_VOID_P EQUAL 4 AND CMAKE_SYSTEM_PROCESSOR STREQUAL "x86_64")
+  if(CMAKE_SIZEOF_VOID_P EQUAL 4 AND CMAKE_SYSTEM_PROCESSOR STREQUAL "x86_64")
     message(STATUS "Disable fast raw contexts on x32 ABI.")
   else()
     set(HAVE_RAW_CONTEXTS 1)
   endif()
+ELSEIF(CMAKE_SYSTEM_PROCESSOR MATCHES "aarch64")
+  message(STATUS "System processor: arm64 (${CMAKE_SYSTEM_PROCESSOR}, 64 bits)")
+  set(SIMGRID_PROCESSOR_arm64 1)
 ELSE()
-  set(SIMGRID_PROCESSOR_i686 0)
-  set(SIMGRID_PROCESSOR_x86_64 0)
+  message(STATUS "System processor (${CMAKE_SYSTEM_PROCESSOR}) not explicitly accounted for")
 ENDIF()
 
 include(CheckFunctionExists)
@@ -215,36 +196,55 @@ include(CheckLibraryExists)
 include(CheckSymbolExists)
 
 set(HAVE_GRAPHVIZ 0)
-set(SIMGRID_HAVE_LUA 0)
 if(minimal-bindings)
-  message(STATUS "Don't even look for graphviz nor lua, as we build minimal binding libraries.")
+  message(STATUS "Don't even look for graphviz, as we build minimal binding libraries.")
 else()
   include(FindGraphviz)
-  if(enable_lua)
-    include(FindLuaSimgrid)
-  endif()
 endif()
 
 set(SIMGRID_HAVE_NS3 0)
 if(enable_ns3)
   include(FindNS3)
   if (SIMGRID_HAVE_NS3)
+    if (NOT NS3_VERSION EQUAL "3-dev" AND NS3_VERSION VERSION_LESS "3.28")
+      message(FATAL_ERROR "SimGrid needs ns-3 in version 3.28 or higher. 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}")
-    endforeach()
+    set(SIMGRID_DEP "${SIMGRID_DEP} ${NS3_LIBRARIES}")
   else()
     message(FATAL_ERROR "Cannot find ns-3. Please install it (apt-get install ns3 libns3-dev) or disable that cmake option")
   endif()
 endif()
 
-set(SIMGRID_HAVE_MSG 0)
-if(enable_msg)
-  set(SIMGRID_HAVE_MSG 1)
-endif()
-
-if(WIN32)
-  set(Boost_USE_STATIC_LIBS 1)
+### Check for Eigen library
+set(SIMGRID_HAVE_EIGEN3 0)
+find_package (Eigen3 3.3 CONFIG
+              HINTS ${EIGEN3_HINT})
+if (Eigen3_FOUND)
+  set(SIMGRID_HAVE_EIGEN3 1)
+  message(STATUS "Found Eigen3: ${EIGEN3_INCLUDE_DIR}")
+  include_directories(${EIGEN3_INCLUDE_DIR})
+  if ("3.3.4" VERSION_EQUAL EIGEN3_VERSION_STRING AND CMAKE_COMPILER_IS_GNUCC)
+    message(STATUS "Avoid build error of Eigen3 v3.3.4 using -Wno-error=int-in-bool-context")
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-error=int-in-bool-context")
+  endif()
+else()
+  message(STATUS "Disabling model BMF because Eigen3 was not found. If it's installed, use EIGEN3_HINT to hint cmake about the location of Eigen3Config.cmake")
+endif()
+
+# Check for our JSON dependency
+set(SIMGRID_HAVE_JSON 0)
+find_package(nlohmann_json 3.7
+             HINTS ${nlohmann_json_HINT})
+if (nlohmann_json_FOUND)
+  set(SIMGRID_HAVE_JSON 1)
+  if (NOT NLOHMANN_JSON_INCLUDE_DIR)
+    get_target_property(NLOHMANN_JSON_INCLUDE_DIR nlohmann_json::nlohmann_json INTERFACE_INCLUDE_DIRECTORIES)
+    list(REMOVE_DUPLICATES NLOHMANN_JSON_INCLUDE_DIR)
+  else()
+    include_directories(${NLOHMANN_JSON_INCLUDE_DIR})
+  endif()
+  message(STATUS "Found nlohmann_json: ${NLOHMANN_JSON_INCLUDE_DIR}")
 endif()
 
 set(HAVE_PAPI 0)
@@ -262,7 +262,7 @@ set(_Boost_STACKTRACE_HEADERS           "boost/stacktrace.hpp")
 set(_Boost_STACKTRACE_BACKTRACE_HEADERS "boost/stacktrace.hpp")
 set(_Boost_STACKTRACE_ADDR2LINE_HEADERS "boost/stacktrace.hpp")
 
-  if(minimal-bindings) # When we want a minimal jarfile, don't even search for boost optional components
+  if(minimal-bindings) # When we want a minimal python library, don't even search for boost optional components
     message(STATUS "Don't even look for boost optional components, as we build minimal binding libraries.")
     find_package(Boost 1.48)
   else()
@@ -309,7 +309,7 @@ set(_Boost_STACKTRACE_ADDR2LINE_HEADERS "boost/stacktrace.hpp")
         message(STATUS "Mandatory components found. SimGrid is compilable.")
       endif()
     endif()
-  endif() 
+  endif()
 
 # Checks for header libraries functions.
 CHECK_LIBRARY_EXISTS(rt      clock_gettime           "" HAVE_POSIX_GETTIME)
@@ -318,37 +318,26 @@ CHECK_INCLUDE_FILE("pthread_np.h" HAVE_PTHREAD_NP_H) # for pthread_setaffinity_n
 
 if(CMAKE_SYSTEM_NAME MATCHES "Darwin")
   set(CMAKE_REQUIRED_DEFINITIONS "-D_XOPEN_SOURCE=700 -D_DARWIN_C_SOURCE")
-elseif(MINGW)
-  # Use the GNU version of unusual modifiers like PRIx64
-  add_definitions(-D__USE_MINGW_ANSI_STDIO=1)
-  set(CMAKE_REQUIRED_DEFINITIONS "-D__USE_MINGW_ANSI_STDIO=1")
 else()
   set(CMAKE_REQUIRED_DEFINITIONS "-D_GNU_SOURCE")
 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)
+if(NOT HAVE_SYSCONF)
+  message(FATAL_ERROR "Cannot build without sysconf.")
+endif()
 CHECK_FUNCTION_EXISTS(process_vm_readv HAVE_PROCESS_VM_READV)
 CHECK_FUNCTION_EXISTS(mmap HAVE_MMAP)
 CHECK_FUNCTION_EXISTS(mremap HAVE_MREMAP)
 
 CHECK_SYMBOL_EXISTS(vasprintf stdio.h HAVE_VASPRINTF)
-if(MINGW)
-  # The detection of vasprintf fails on MinGW, assumingly because it's
-  # defined as an inline function in stdio.h instead of a regular
-  # function. So force the result to be 1 despite of the test.
-  set(HAVE_VASPRINTF 1)
-endif()
 
 CHECK_INCLUDE_FILE("sys/sendfile.h" HAVE_SENDFILE_H)
 CHECK_FUNCTION_EXISTS(sendfile HAVE_SENDFILE)
@@ -359,8 +348,11 @@ else()
 endif()
 
 if(enable_model-checking AND NOT "${CMAKE_SYSTEM}" MATCHES "Linux|FreeBSD")
-  message(WARNING "Support for model-checking has not been enabled on ${CMAKE_SYSTEM}: disabling it")
-  set(enable_model-checking FALSE)
+  message(FATAL_ERROR "Support for model-checking has not been enabled on ${CMAKE_SYSTEM}. Please use a Linux docker to use the model checker.")
+endif()
+
+if(enable_model-checking AND minimal-bindings)
+  message(FATAL_ERROR "Compile-time option 'minimal-bindings' cannot be enabled with 'model-checking'")
 endif()
 
 if(HAVE_MMAP)
@@ -373,68 +365,41 @@ else()
   SET(enable_model-checking 0)
 endif()
 
-if(enable_jedule)
-  set(SIMGRID_HAVE_JEDULE 1)
-else()
-  set(SIMGRID_HAVE_JEDULE 0)
-endif()
-
 if(enable_mallocators)
   SET(SIMGRID_HAVE_MALLOCATOR 1)
 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} ${LIBUNWIND_LIBRARIES}")
   else()
-    if(enable_model-checking)
-      message(FATAL_ERROR "Please install libunwind-dev libdw-dev libelf-dev libevent-dev if you want to compile the SimGrid model checker.")
-    endif()
+    message(FATAL_ERROR "Please install libunwind-dev libdw-dev libelf-dev libevent-dev if you want to compile the SimGrid model checker.")
   endif()
-endif()
-
-if(enable_model-checking)
   find_package(Libdw REQUIRED)
   find_package(Libelf REQUIRED)
   find_package(Libevent REQUIRED)
   include_directories(${LIBDW_INCLUDE_DIR} ${LIBELF_INCLUDE_DIR} ${LIBEVENT_INCLUDE_DIR})
   set(SIMGRID_DEP "${SIMGRID_DEP} ${LIBEVENT_LIBRARIES} ${LIBELF_LIBRARIES} ${LIBDW_LIBRARIES}")
   set(SIMGRID_HAVE_MC 1)
-  if("${CMAKE_SYSTEM}" MATCHES "FreeBSD" AND enable_java)
-    message(WARNING "FreeBSD + Model-Checking + Java = too much for now. Disabling the Java bindings.")
-    set(enable_java FALSE)
-  endif()
+  set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -gdwarf-4")
+  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -gdwarf-4")
 else()
-  SET(SIMGRID_HAVE_MC 0)  
+  SET(SIMGRID_HAVE_MC 0)
   set(HAVE_MMALLOC 0)
 endif()
 mark_as_advanced(PATH_LIBDW_H)
 mark_as_advanced(PATH_LIBDW_LIB)
 
-if(enable_java AND NOT enable_msg)
-  message(FATAL_ERROR "Cannot activate the Java bindings without the MSG module. Either add -Denable_msg=ON or -Denable_java=OFF")
-endif()
-
 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")
+  message(WARNING "Activating both model-checking and ns-3 bindings is considered experimental.")
 endif()
 
 if(enable_smpi)
   SET(HAVE_SMPI 1)
-  if(WIN32)
-    message (STATUS "Warning: no support for SMPI automatic privatization on Windows.")
-    SET(HAVE_PRIVATIZATION 0)
-  else()
-    SET(HAVE_PRIVATIZATION 1)
-  endif()
+  SET(HAVE_PRIVATIZATION 1)
 else()
   SET(HAVE_SMPI 0)
 endif()
@@ -454,27 +419,27 @@ else()
     OUTPUT_VARIABLE compile_makecontext_output)
 
   #If can have both context
-  if(compile_makecontext)
-    set(HAVE_UCONTEXT_CONTEXTS 1)
-    message(STATUS "Support for ucontext factory ok.")
-  else()
+  if(NOT compile_makecontext)
     message(STATUS "Error: <ucontext.h> exists, but makecontext is not compilable. Compilation output:\n ${compile_makecontext_output}")
     message(STATUS "No ucontext factory: makecontext() is not compilable.")
-  endif()
-
-  # Stack setup (size and address)
-  try_run(RUN_makecontext_VAR COMPILE_makecontext_VAR
-    ${CMAKE_BINARY_DIR} ${CMAKE_HOME_DIRECTORY}/tools/cmake/test_prog/prog_stacksetup.c
-    RUN_OUTPUT_VARIABLE stack_setup)
-
-  LIST(LENGTH stack_setup stack_setup_len)
-  if("${stack_setup_len}" STREQUAL "2")
-    LIST(GET stack_setup 0 makecontext_addr)
-    LIST(GET stack_setup 1 makecontext_size)
-    set(sg_makecontext_stack_addr "#define sg_makecontext_stack_addr(skaddr) (${makecontext_addr})")
-    set(sg_makecontext_stack_size "#define sg_makecontext_stack_size(sksize) (${makecontext_size})")
   else()
-    message(FATAL_ERROR "Could not figure out the stack setup. Compil: ${RUN_makecontext_VAR}. Exec: ${COMPILE_makecontext_VAR}. Output: ${stack_setup}")
+    message(STATUS "Support for ucontext factory ok.")
+    set(HAVE_UCONTEXT_CONTEXTS 1)
+
+    # Stack setup (size and address)
+    try_run(RUN_makecontext_VAR COMPILE_makecontext_VAR
+      ${CMAKE_BINARY_DIR} ${CMAKE_HOME_DIRECTORY}/tools/cmake/test_prog/prog_stacksetup.c
+      RUN_OUTPUT_VARIABLE stack_setup)
+
+    LIST(LENGTH stack_setup stack_setup_len)
+    if("${stack_setup_len}" STREQUAL "2")
+      LIST(GET stack_setup 0 makecontext_addr)
+      LIST(GET stack_setup 1 makecontext_size)
+      set(sg_makecontext_stack_addr "#define sg_makecontext_stack_addr(skaddr) (${makecontext_addr})")
+      set(sg_makecontext_stack_size "#define sg_makecontext_stack_size(sksize) (${makecontext_size})")
+    else()
+      message(FATAL_ERROR "Could not figure out the stack setup. Compil: ${RUN_makecontext_VAR}. Exec: ${COMPILE_makecontext_VAR}. Output: ${stack_setup}")
+    endif()
   endif()
 endif()
 
@@ -553,9 +518,9 @@ file(READ ${CMAKE_HOME_DIRECTORY}/src/smpi/smpitools.sh SMPITOOLS_SH) # Definiti
 
 ### SMPI script used when simgrid is installed
 set(exec_prefix ${CMAKE_INSTALL_PREFIX})
-set(includedir "${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_INCLUDEDIR}")
-set(libdir "${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_LIBDIR}")
-set(includeflag "-I${includedir} -I${includedir}/smpi")
+set(includedir "${CMAKE_INSTALL_FULL_INCLUDEDIR}")
+set(libdir "${CMAKE_INSTALL_FULL_LIBDIR}")
+set(includeflag "\"-I${includedir}\" \"-I${includedir}/smpi\"")
 set(CMAKE_SMPI_COMMAND "export LD_LIBRARY_PATH=\"${libdir}")
 if(NS3_LIBRARY_PATH)
   set(CMAKE_SMPI_COMMAND "${CMAKE_SMPI_COMMAND}:${NS3_LIBRARY_PATH}")
@@ -571,6 +536,7 @@ if(SMPI_FORTRAN)
   set(MODULE_MPIF_OUT "end module mpi")
   configure_file(${CMAKE_HOME_DIRECTORY}/include/smpi/mpif.h.in ${CMAKE_BINARY_DIR}/src/smpi/mpif.f90.generated @ONLY)
   execute_process(COMMAND ${CMAKE_COMMAND} -E copy_if_different ${CMAKE_BINARY_DIR}/src/smpi/mpif.f90.generated ${CMAKE_BINARY_DIR}/src/smpi/mpif.f90)
+  file(REMOVE ${CMAKE_BINARY_DIR}/src/smpi/mpif.f90.generated)
   set(CMAKE_Fortran_MODULE_DIRECTORY ${CMAKE_BINARY_DIR}/include/smpi)
   add_library(mpi SHARED ${CMAKE_BINARY_DIR}/src/smpi/mpif.f90)
 endif()
@@ -579,12 +545,12 @@ foreach(script cc cxx ff f90 run)
   configure_file(${CMAKE_HOME_DIRECTORY}/src/smpi/smpi${script}.in ${CMAKE_BINARY_DIR}/bin/smpi${script} @ONLY)
 endforeach()
 
-### SMPI scripts used when compiling simgrid 
+### SMPI scripts used when compiling simgrid
 set(exec_prefix "${CMAKE_BINARY_DIR}/smpi_script/")
 set(includedir "${CMAKE_HOME_DIRECTORY}/include")
 set(libdir "${CMAKE_BINARY_DIR}/lib")
-set(includeflag "-I${includedir} -I${includedir}/smpi")
-set(includeflag "${includeflag} -I${CMAKE_BINARY_DIR}/include -I${CMAKE_BINARY_DIR}/include/smpi")
+set(includeflag "\"-I${includedir}\" \"-I${includedir}/smpi\"")
+set(includeflag "${includeflag} \"-I${CMAKE_BINARY_DIR}/include\" \"-I${CMAKE_BINARY_DIR}/include/smpi\"")
 set(CMAKE_SMPI_COMMAND "export LD_LIBRARY_PATH=\"${libdir}")
 if(NS3_LIBRARY_PATH)
   set(CMAKE_SMPI_COMMAND "${CMAKE_SMPI_COMMAND}:${NS3_LIBRARY_PATH}")
@@ -597,12 +563,10 @@ foreach(script cc cxx ff f90 run)
   configure_file(${CMAKE_HOME_DIRECTORY}/src/smpi/smpi${script}.in ${CMAKE_BINARY_DIR}/smpi_script/bin/smpi${script} @ONLY)
 endforeach()
 
-if(NOT WIN32)
-  foreach(script cc cxx ff f90 run)
-    execute_process(COMMAND chmod a=rwx ${CMAKE_BINARY_DIR}/bin/smpi${script})
-    execute_process(COMMAND chmod a=rwx ${CMAKE_BINARY_DIR}/smpi_script/bin/smpi${script})
-  endforeach()
-endif()
+foreach(script cc cxx ff f90 run)
+  execute_process(COMMAND chmod a=rwx ${CMAKE_BINARY_DIR}/bin/smpi${script})
+  execute_process(COMMAND chmod a=rwx ${CMAKE_BINARY_DIR}/smpi_script/bin/smpi${script})
+endforeach()
 
 set(generated_headers_to_install
   ${CMAKE_CURRENT_BINARY_DIR}/include/smpi/mpif.h
@@ -620,7 +584,6 @@ set(generated_files_to_clean
   ${CMAKE_BINARY_DIR}/bin/smpiff
   ${CMAKE_BINARY_DIR}/bin/smpif90
   ${CMAKE_BINARY_DIR}/bin/smpirun
-  ${CMAKE_BINARY_DIR}/bin/colorize
   ${CMAKE_BINARY_DIR}/bin/simgrid_update_xml
   ${CMAKE_BINARY_DIR}/examples/smpi/tracing/smpi_traced.trace
   )
@@ -640,7 +603,10 @@ if(NOT "${CMAKE_BINARY_DIR}" STREQUAL "${CMAKE_HOME_DIRECTORY}")
   configure_file(${CMAKE_HOME_DIRECTORY}/examples/smpi/replay/actions_allgatherv.txt ${CMAKE_BINARY_DIR}/examples/smpi/replay/actions_allgatherv.txt COPYONLY)
   configure_file(${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_griffon ${CMAKE_BINARY_DIR}/teshsuite/smpi/hostfile_griffon COPYONLY)
   configure_file(${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 ${CMAKE_BINARY_DIR}/examples/smpi/replay_multiple/README COPYONLY)
@@ -775,21 +741,15 @@ endif()
 SET_DIRECTORY_PROPERTIES(PROPERTIES ADDITIONAL_MAKE_CLEAN_FILES
   "${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)
 
 ### Make Libs
-if(NOT WIN32)
-  include(${CMAKE_HOME_DIRECTORY}/tools/cmake/MakeLib.cmake)
-else()
-  include(${CMAKE_HOME_DIRECTORY}/tools/cmake/MakeLibWin.cmake)
-endif()
-
-if(enable_java)
-  include(${CMAKE_HOME_DIRECTORY}/tools/cmake/Java.cmake)
-endif()
+include(${CMAKE_HOME_DIRECTORY}/tools/cmake/MakeLib.cmake)
 
 # Python binding (with pybind11)
 ################
@@ -800,7 +760,7 @@ if((NOT DEFINED enable_python) OR enable_python)
     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)
+    set(Python_ADDITIONAL_VERSIONS 3.9 3.8 3.7 3.6 3.5 3.4)
     find_package(PythonLibsNew ${PYBIND11_PYTHON_VERSION} REQUIRED)
 
   else()
@@ -811,15 +771,17 @@ if((NOT DEFINED enable_python) OR enable_python)
       set(pybind11_FOUND OFF)
     endif()
   endif()
+endif()
 
-  if(NOT PYTHONLIBS_FOUND)
-    message(STATUS "Python libs not found. Turn pybind11 off.")
-
-    set(pybind11_FOUND OFF)
-  endif()
+find_package(Python3 COMPONENTS Development)
+if(NOT Python3_Development_FOUND OR NOT pybind11_FOUND)
+  message(STATUS "SimGrid Python bindings cannot be built on this system.")
+  set(default_enable_python OFF)
+else()
+  set(default_enable_python ON)
 endif()
 
-option(enable_python "Whether the Python bindings are activated." ${pybind11_FOUND}) # ON by default if dependencies are met
+option(enable_python "Whether the Python bindings are activated." ${default_enable_python}) # ON by default if dependencies are met
 
 if("${CMAKE_SYSTEM}" MATCHES "FreeBSD" AND enable_model-checking AND enable_python)
   message(WARNING "FreeBSD + Model-Checking + Python = too much for now. Disabling the Python bindings.")
@@ -827,6 +789,9 @@ if("${CMAKE_SYSTEM}" MATCHES "FreeBSD" AND enable_model-checking AND enable_pyth
 endif()
 
 if(enable_python)
+  if(NOT Python3_Development_FOUND)
+    message(FATAL_ERROR "Please install the development components of Python (python3-dev on Debian) to build the Python bindings (or disable that option).")
+  endif()
   if(pybind11_FOUND)
     message(STATUS "Found pybind11.")
     if(NOT enable_lto)
@@ -849,6 +814,16 @@ if(enable_python)
     add_dependencies(tests python-bindings)
     set_property(TARGET python-bindings
                  APPEND PROPERTY INCLUDE_DIRECTORIES "${INTERNAL_INCLUDES}")
+
+    if("${SIMGRID_PYTHON_LIBDIR}" STREQUAL "") # value not manually set
+      if("${CMAKE_INSTALL_PREFIX}" STREQUAL "/usr")
+        set(SIMGRID_PYTHON_LIBDIR ${Python3_SITEARCH})
+      else("${CMAKE_INSTALL_PREFIX}" STREQUAL "/usr")
+        string(REGEX REPLACE "^/usr/" "${CMAKE_INSTALL_PREFIX}/" SIMGRID_PYTHON_LIBDIR ${Python3_SITEARCH})
+      endif("${CMAKE_INSTALL_PREFIX}" STREQUAL "/usr")
+    endif()
+    install(TARGETS python-bindings
+      	    LIBRARY DESTINATION "${SIMGRID_PYTHON_LIBDIR}")
   else()
     message(FATAL_ERROR "Please install pybind11-dev to build the Python bindings (or disable that option).")
   endif()
@@ -913,11 +888,6 @@ message("                version .............: ${CMAKE_C_COMPILER_VERSION}")
 message("                is gnu ..............: ${CMAKE_COMPILER_IS_GNUCC}")
 message("        Compiler: C++ ...............: ${CMAKE_CXX_COMPILER} (id: ${CMAKE_CXX_COMPILER_ID})")
 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})")
   message("                version .............: ${CMAKE_Fortran_COMPILER_VERSION}")
@@ -932,34 +902,33 @@ message("        LDFlags .....................: ${CMAKE_C_LINK_FLAGS}")
 message("        with LTO ....................: ${enable_lto}")
 message("")
 
-if (SIMGRID_HAVE_MSG)
-  message("        Compile MSG .................: ON")
-else()
-  message("        Compile MSG .................: OFF")
-endif()
-
 if (SIMGRID_HAVE_NS3)
   message("        Compile ns-3 ................: ON (path: ${NS3_PATH})")
 else()
   message("        Compile ns-3 ................: OFF  (hint: ${NS3_HINT})")
 endif()
 
-if (${Java_FOUND})
-  message("        Compile Java ................: ON")
-  message("          Native lib in jar .........: ${enable_lib_in_jar}")
-else()
-  message("        Compile Java ................: OFF")
-endif()
 if(pybind11_FOUND)
   message("        Compile Python bindings .....: ${enable_python}")
   message("          module ....................: ${PYTHON_MODULE_PREFIX}simgrid${PYTHON_MODULE_EXTENSION}")
+  message("          install path ..............: ${SIMGRID_PYTHON_LIBDIR} (force another value with -DSIMGRID_PYTHON_LIBDIR)")
 else()
   message("        Compile Python bindings .....: OFF (disabled, or pybind11 not found)")
 endif()
-message("        Compile Lua .................: ${SIMGRID_HAVE_LUA}")
+if(SIMGRID_HAVE_EIGEN3)
+  message("        Eigen3 library ..............: ${EIGEN3_VERSION_STRING} in ${EIGEN3_INCLUDE_DIR}")
+else()
+  message("        Eigen3 library ..............: not found (EIGEN3_HINT='${EIGEN3_HINT}').")
+endif()
+if(SIMGRID_HAVE_JSON)
+  message("        JSON library.................: ${nlohmann_json_VERSION} in ${NLOHMANN_JSON_INCLUDE_DIR}")
+else()
+  message("        JSON library.................: not found (nlohmann_json_HINT='${nlohmann_json_HINT}')")
+endif()
 message("        Compile Smpi ................: ${HAVE_SMPI}")
 message("          Smpi fortran ..............: ${SMPI_FORTRAN}")
 message("          MPICH3 testsuite ..........: ${enable_smpi_MPICH3_testsuite}")
+message("          MBI testsuite .............: ${enable_smpi_MBI_testsuite}")
 message("          Privatization .............: ${HAVE_PRIVATIZATION}")
 message("          PAPI support...............: ${HAVE_PAPI}")
 message("        Compile Boost.Context support: ${HAVE_BOOST_CONTEXTS}")
@@ -967,7 +936,6 @@ message("")
 message("        Maintainer mode .............: ${enable_maintainer_mode}")
 message("        Documentation................: ${enable_documentation}")
 message("        Model checking ..............: ${SIMGRID_HAVE_MC}")
-message("        Jedule  mode ................: ${SIMGRID_HAVE_JEDULE}")
 message("        Graphviz mode ...............: ${HAVE_GRAPHVIZ}")
 message("        Mallocators .................: ${enable_mallocators}")
 message("")