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test for libunwind even if not building MC
[simgrid.git] / CMakeLists.txt
index 4272462..3973529 100644 (file)
@@ -60,28 +60,28 @@ if(APPLE AND (CMAKE_C_COMPILER_VERSION VERSION_LESS "4.6"))
   set(HAVE_UCONTEXT_H 0)
 endif()
 
+
+### Setup Options
+include(${CMAKE_HOME_DIRECTORY}/tools/cmake/Option.cmake)
+
 ### SMPI vs. Fortran
-if ((NOT DEFINED enable_smpi OR enable_smpi) AND NOT APPLE) # smpi is enabled by default
-  # Call enable_language(Fortran) in order to load the build rules for this language, needed by 
-  # teshsuite/smpi/mpich-test/.  Use CMAKE_FORCE_Fortran_COMPILER to bypass checks for a working compiler (smpiff 
-  # doesn't exist at configure time).
-  include(CMakeForceCompiler)
-  if(NOT COMMAND CMAKE_FORCE_Fortran_COMPILER)
-    MACRO(CMAKE_FORCE_Fortran_COMPILER compiler id)
-      SET(CMAKE_Fortran_COMPILER "${compiler}")
-      SET(CMAKE_Fortran_COMPILER_ID_RUN TRUE)
-      SET(CMAKE_Fortran_COMPILER_ID ${id})
-      SET(CMAKE_Fortran_COMPILER_WORKS TRUE)
-      SET(CMAKE_Fortran_COMPILER_FORCED TRUE)
-
-      # Set old compiler id variables.
-      IF("${CMAKE_Fortran_COMPILER_ID}" MATCHES "GNU")
-        SET(CMAKE_COMPILER_IS_GNUG77 1)
-      ENDIF("${CMAKE_Fortran_COMPILER_ID}" MATCHES "GNU")
-    ENDMACRO(CMAKE_FORCE_Fortran_COMPILER)
+if ((NOT DEFINED enable_smpi) OR enable_smpi) 
+  # First unset the compiler in case we're re-running cmake over a previous
+  # configuration where it was saved as smpiff
+  unset(CMAKE_Fortran_COMPILER)
+  
+  SET(SMPI_FORTRAN 0)
+  if(enable_fortran)
+    enable_language(Fortran OPTIONAL)
   endif()
-  CMAKE_FORCE_Fortran_COMPILER(smpiff smpiff)
-  enable_language(Fortran OPTIONAL)
+  
+  if(CMAKE_Fortran_COMPILER)
+    # Fortran compiler detected: save it, then replace by smpiff
+    set(SAVED_Fortran_COMPILER "${CMAKE_Fortran_COMPILER}" CACHE FILEPATH "The real Fortran compiler")
+    set(CMAKE_Fortran_COMPILER smpiff)
+    set(SMPI_FORTRAN 1)
+  endif(CMAKE_Fortran_COMPILER)
+
 endif()
 
 #-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#
@@ -107,18 +107,16 @@ set(libsimgrid_version "${release_version}")
 set(libsimgrid-java_version "${release_version}")
 
 ### SET THE LIBRARY EXTENSION 
-if(APPLE) #MAC
+if(APPLE)
   set(LIB_EXE "dylib")
+elseif(WIN32)
+  set(LIB_EXE "a")
+  set(BIN_EXE ".exe")
 else()
-  if(WIN32) #WINDOWS
-    set(LIB_EXE "a")
-    set(BIN_EXE ".exe")
-  else() #UNIX
-    set(LIB_EXE "so")
-  endif()
+  set(LIB_EXE "so")
 endif()
 
-execute_process(COMMAND   ${CMAKE_LINKER}   --version    OUTPUT_VARIABLE LINKER_VERSION)
+execute_process(COMMAND   ${CMAKE_LINKER}   -version    OUTPUT_VARIABLE LINKER_VERSION)
 string(REGEX MATCH "[0-9].[0-9]*" LINKER_VERSION "${LINKER_VERSION}")
 
 ### Find programs and paths
@@ -128,6 +126,15 @@ if(NOT PERL_FOUND)
   message(FATAL_ERROR "Please install Perl to compile SimGrid.")
 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).")
+endif()
+
 if (APPLE)
   set(CMAKE_INSTALL_RPATH "${CMAKE_INSTALL_PREFIX}/lib")
   set(CMAKE_INSTALL_RPATH_USE_LINK_PATH TRUE)
@@ -165,8 +172,8 @@ endif()
 
 include_directories(${INCLUDES})
 
-### Setup Options
-include(${CMAKE_HOME_DIRECTORY}/tools/cmake/Option.cmake)
+# library dependency cannot start with a space (CMP0004), so initialize it with something that is never desactivated.
+set(SIMGRID_DEP "-lm") 
 
 ### Determine the assembly flavor that we need today
 set(HAVE_RAW_CONTEXTS 0)
@@ -269,23 +276,13 @@ else()
   endif()
 endif()
 
-# Try again to see if we have libboost-graph
-#find_package(Boost 1.42 COMPONENTS graph)
-#set(Boost_FOUND 1) # We don't care of whether this component is missing
-#
-#if(Boost_FOUND AND Boost_GRAPH_FOUND)
-#  set(HAVE_BOOST_GRAPH 1)
-#else()
-#  message ("   boost        : found.")
-#  message ("   boost-graph  : missing. Install libboost-graph-dev for this optional feature.")
-#  set(HAVE_BOOST_GRAPH 0)
-#endif()
-
 # Checks for header libraries functions.
 CHECK_LIBRARY_EXISTS(rt      clock_gettime           "" HAVE_POSIX_GETTIME)
 
 CHECK_LIBRARY_EXISTS(pthread pthread_create          "" HAVE_PTHREAD)
-CHECK_LIBRARY_EXISTS(pthread sem_init                "" HAVE_SEM_INIT_LIB)
+if(NOT APPLE) # OS X El Capitan deprecates this function
+  CHECK_LIBRARY_EXISTS(pthread sem_init                "" HAVE_SEM_INIT_LIB)
+endif()
 CHECK_LIBRARY_EXISTS(pthread sem_open                "" HAVE_SEM_OPEN_LIB)
 set(HAVE_PTHREAD_SETAFFINITY 0)
 CHECK_LIBRARY_EXISTS(pthread pthread_setaffinity_np  "" HAVE_PTHREAD_SETAFFINITY)
@@ -352,6 +349,10 @@ if(HAVE_MMAP AND HAVE_THREAD_LOCAL_STORAGE)
   SET(HAVE_MMALLOC 1)
 else()
   SET(HAVE_MMALLOC 0)
+  if(enable_model-checking)
+    message(STATUS "Warning: support for model-checking has been disabled because you are missing either mmap or __thread.")
+  endif()
+  SET(enable_model-checking 0)
 endif()
 
 if(enable_jedule)
@@ -366,16 +367,29 @@ else()
   SET(HAVE_MALLOCATOR 0)
 endif()
 
-if(enable_model-checking AND HAVE_MMALLOC)
-  SET(HAVE_MC 1)
-  include(FindLibunwind)
-  include(FindLibdw)
+include(FindLibunwind)
+if(HAVE_LIBUNWIND)
+  SET(SIMGRID_DEP "${SIMGRID_DEP} -lunwind -lunwind-ptrace")
+  # This supposes that the host machine is either an AMD or a X86.
+  # This is deeply wrong, and should be fixed by manually loading -lunwind-PLAT (FIXME)
+  if(PROCESSOR_x86_64)
+    SET(SIMGRID_DEP "${SIMGRID_DEP} -lunwind-x86_64")
+  else()
+    SET(SIMGRID_DEP "${SIMGRID_DEP} -lunwind-x86")
+  endif()
 else()
   if(enable_model-checking)
-    message(STATUS "Warning: support for model-checking has been disabled because you are missing either mmap or __thread.")
+    message(FATAL_ERROR "Please either install the libunwind7-dev package (or equivalent) or turn off the model-checking option of SimGrid.")
   endif()
-  SET(HAVE_MC 0)
-  SET(HAVE_MMALLOC 0)
+endif()
+
+if(enable_model-checking)
+  SET(HAVE_MC 1)
+  
+  include(FindLibdw)  
+  SET(SIMGRID_DEP "${SIMGRID_DEP} -ldw")
+else()
+  SET(HAVE_MC 0)  
 endif()
 
 if (enable_model-checking AND enable_ns3)
@@ -383,11 +397,6 @@ if (enable_model-checking AND enable_ns3)
 endif()
 
 if(enable_smpi)
-  if(enable_fortran)
-    include(FindGFortran)
-  else()
-    SET(SMPI_FORTRAN 0)
-  endif()
   SET(HAVE_SMPI 1)
   if("${CMAKE_SYSTEM}" MATCHES "Linux")
     SET(USE_LIBUTIL 0)
@@ -524,6 +533,8 @@ if(HAVE_PTHREAD)
       endif()
     endif()
     file(REMOVE sem_init)
+  else() 
+    set(HAVE_SEM_INIT 0)  
   endif()
 
   if(NOT HAVE_SEM_OPEN AND NOT HAVE_SEM_INIT)
@@ -878,21 +889,8 @@ endforeach()
 ### Setup the distrib
 include(${CMAKE_HOME_DIRECTORY}/tools/cmake/Distrib.cmake)
 
-### Build the doc (Windows downloads the doc instead of regenerating)
-#
-if(NOT WIN32)
-  include(${CMAKE_HOME_DIRECTORY}/tools/cmake/Documentation.cmake)
-else()
-  find_program(WGET_PROGRAM  NAMES wget)
-  message(STATUS "wget: ${WGET_PROGRAM}")
-  if(WGET_PROGRAM)
-    ADD_CUSTOM_TARGET(documentation
-      COMMENT "Downloading the SimGrid documentation..."
-      COMMAND ${WGET_PROGRAM} -r -np -nH -nd http://simgrid.gforge.inria.fr/simgrid/${release_version}/doc/
-      WORKING_DIRECTORY ${CMAKE_HOME_DIRECTORY}/doc/html
-    )
-  endif()
-endif()
+### Build the docs if asked to
+include(${CMAKE_HOME_DIRECTORY}/tools/cmake/Documentation.cmake)
 
 ### Print the result of configuration
 message("")
@@ -943,7 +941,7 @@ else()
 endif()
 endif()
 if(CMAKE_Fortran_COMPILER)
-  message("        Compiler: Fortran ...........: ${CMAKE_Fortran_COMPILER} (id: ${CMAKE_Fortran_COMPILER_ID})")
+  message("        Compiler: Fortran ...........: ${SAVED_Fortran_COMPILER} (id: ${CMAKE_Fortran_COMPILER_ID})")
   message("                version .............: ${CMAKE_Fortran_COMPILER_VERSION}")
 endif()
 message("        Linker: .....................: ${CMAKE_LINKER}")