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python: First working example
[simgrid.git] / CMakeLists.txt
index 7fc7248..02a0859 100644 (file)
@@ -139,7 +139,7 @@ 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)
@@ -242,15 +242,7 @@ if(enable_smpi_papi)
   endif()
 endif()
 
-# Not finding this is perfectly OK
-find_package(Boost 1.59 COMPONENTS unit_test_framework)
-if (Boost_UNIT_TEST_FRAMEWORK_FOUND)
-  message(STATUS "Enabling the Boost-based unit tests.")
-else()
-  message(STATUS "Disabling the Boost-based unit tests -- please install libboost-test-dev (>= v1.59).")
-endif()
-
-
+# But we do need the core of Boost
 find_package(Boost 1.48)
 if(Boost_FOUND)
   include_directories(${Boost_INCLUDE_DIRS})
@@ -262,17 +254,40 @@ else()
   endif()
 endif()
 
-find_package(Boost COMPONENTS context)
-set(Boost_FOUND 1) # This component is optional
+# 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")
+
+find_package(Boost 1.59 COMPONENTS context stacktrace_backtrace unit_test_framework)
+set(Boost_FOUND 1) # These components are optionals
+message(STATUS "Mandatory components found. SimGrid is compilable.")
+message(STATUS "Looking for optional Boost components:")
+
+if (Boost_STACKTRACE_BACKTRACE_FOUND)
+  message (STATUS "  stacktrace: found. Activating human-readable stack traces.")
+  set(HAVE_BOOST_STACKTRACE 1)
+  set(SIMGRID_DEP "${SIMGRID_DEP} -lboost_stacktrace_backtrace")
+else()
+  message (STATUS "  stacktrace: MISSING. Install libboost-stacktrace-dev to display the stacktraces.")
+  set(HAVE_BOOST_STACKTRACE 0)
+endif()
+
 if(Boost_CONTEXT_FOUND)
-  message(STATUS "Found Boost.Context")
+  message (STATUS "  context: found. Activating Boost contexts.")
   set(HAVE_BOOST_CONTEXTS 1)
 else()
-  message ("   boost        : found.")
-  message ("   boost-context: missing. Install libboost-context-dev for this optional feature.")
+  message (STATUS "  context: MISSING. Install libboost-context-dev for this optional feature.")
   set(HAVE_BOOST_CONTEXTS 0)
 endif()
 
+if (Boost_UNIT_TEST_FRAMEWORK_FOUND)
+  message(STATUS  "  unit_test_framework: found. Activating the Boost-based unit tests.")
+else()
+  message(STATUS  "  unit_test_framework: MISSING. Install libboost-test-dev (>= v1.59) to activate the Unit Tests.")
+endif()
+
+
 # Checks for header libraries functions.
 CHECK_LIBRARY_EXISTS(rt      clock_gettime           "" HAVE_POSIX_GETTIME)
 
@@ -291,20 +306,17 @@ endif()
 
 CHECK_INCLUDE_FILE("valgrind/valgrind.h" HAVE_VALGRIND_H)
 CHECK_INCLUDE_FILE("unistd.h" HAVE_UNISTD_H)
-CHECK_INCLUDE_FILE("execinfo.h" HAVE_EXECINFO_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("ucontext.h" HAVE_UCONTEXT_H)
 CHECK_INCLUDE_FILE("linux/futex.h" HAVE_FUTEX_H)
 
-CHECK_FUNCTION_EXISTS(backtrace HAVE_BACKTRACE)
 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(popen HAVE_POPEN)
 CHECK_FUNCTION_EXISTS(process_vm_readv HAVE_PROCESS_VM_READV)
 CHECK_FUNCTION_EXISTS(mmap HAVE_MMAP)
 CHECK_FUNCTION_EXISTS(mremap HAVE_MREMAP)
@@ -414,7 +426,7 @@ if(CMAKE_USE_PTHREADS_INIT)
             RUN_OUTPUT_VARIABLE semopen_runmsg)
     
     if(semopen_compilable)
-      if(NOT semopen_retval) # error if not 0
+      if(NOT semopen_retval) # error if not 0
         message(STATUS "sem_open is compilable and executable")
        set(HAVE_SEM_OPEN 1)
       else()
@@ -446,7 +458,7 @@ if(CMAKE_USE_PTHREADS_INIT)
             RUN_OUTPUT_VARIABLE seminit_runmsg)
     
     if(seminit_compilable)
-      if(NOT seminit_retval) # error if not 0
+      if(NOT seminit_retval) # error if not 0
         message(STATUS "sem_init is compilable and executable")
        set(HAVE_SEM_INIT 1)
       else()
@@ -532,12 +544,6 @@ endif()
 file(REMOVE test_stackgrowth)
 #--------------------------------------------------------------------------------------------------
 
-### check for addr2line
-find_path(ADDR2LINE NAMES addr2line    PATHS NO_DEFAULT_PATHS)
-if(ADDR2LINE)
-  set(ADDR2LINE "${ADDR2LINE}/addr2line")
-endif()
-
 ###############
 ## GIT version check
 ##
@@ -611,6 +617,7 @@ if(NS3_LIBRARY_PATH)
 endif()
 set(CMAKE_SMPI_COMMAND "${CMAKE_SMPI_COMMAND}:\${LD_LIBRARY_PATH:+:$LD_LIBRARY_PATH}\"")
 set(SMPIMAIN ${libdir}/simgrid/smpimain)
+set(SMPIREPLAYMAIN ${libdir}/simgrid/smpireplaymain)
 
 configure_file(${CMAKE_HOME_DIRECTORY}/include/smpi/mpif.h.in ${CMAKE_BINARY_DIR}/include/smpi/mpif.h @ONLY)
 #configure mpif.f90 to build mpi.mod
@@ -639,6 +646,7 @@ if(NS3_LIBRARY_PATH)
 endif()
 set(CMAKE_SMPI_COMMAND "${CMAKE_SMPI_COMMAND}:\${LD_LIBRARY_PATH:+:$LD_LIBRARY_PATH}\"")
 set(SMPIMAIN ${CMAKE_BINARY_DIR}/lib/simgrid/smpimain)
+set(SMPIREPLAYMAIN ${CMAKE_BINARY_DIR}/lib/simgrid/smpireplaymain)
 
 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)
@@ -839,6 +847,23 @@ 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)
+option(enable_python "Whether the Python bindings are activated." ${pybind11_FOUND}) # ON by default if dependencies are met
+
+if(enable_python)
+  if(pybind11_FOUND)
+    pybind11_add_module(simgrid_python src/bindings/python/simgrid_python.cpp)
+    set_source_files_properties(src/bindings/python/simgrid_python.cpp PROPERTIES COMPILE_FLAGS -Wno-attributes)
+    set_source_files_properties(src/bindings/python/simgrid_python.cpp PROPERTIES COMPILE_FLAGS -std=gnu++14)
+    target_link_libraries(simgrid_python PUBLIC simgrid)
+    set_target_properties(simgrid_python PROPERTIES LIBRARY_OUTPUT_NAME simgrid)
+  else()
+    message(FATAL_ERROR "Please install pybind11-dev to build the Python bindings (or disable that option).")
+  endif()
+endif()
+
 ### Make tests
 if(enable_memcheck_xml)
   set(enable_memcheck true)
@@ -930,6 +955,12 @@ if (${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}")