X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/e2767b564d5b6f3da982646b3cc7537fa05aa34d..a0d7f5a38fc6c698aa54f44d007b06e918c23196:/CMakeLists.txt

diff --git a/CMakeLists.txt b/CMakeLists.txt
index f8fdcbca02..50075e0b47 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -4,6 +4,12 @@ set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${CMAKE_HOME_DIRECTORY}/tools/cmake/M
 
 project(SimGrid C CXX)
 
+## 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.
+set(SMPI_C_FLAGS "${CMAKE_C_FLAGS}")
+set(SMPI_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
+
 #-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#
 #     Check for the compiler        #
 #-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#
@@ -22,7 +28,6 @@ CHECK_C_COMPILER_FLAG(-fstack-cleaner HAVE_C_STACK_CLEANER)
 ## Request full debugging flags
 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -g3")
 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -g3")
-set(CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS} -g")
 
 if (CMAKE_COMPILER_IS_GNUCC)    
   if (CMAKE_CXX_COMPILER_VERSION VERSION_LESS "4.7")
@@ -80,6 +85,10 @@ if ((NOT DEFINED enable_smpi) OR enable_smpi)
       set(SMPI_Fortran_LIBS "")
       set(SMPI_FLANG 1)
     endif()
+    set(SMPI_Fortran_FLAGS "${SMPI_Fortran_FLAGS} ${CMAKE_Fortran_FLAGS}")
+
+    ## Request debugging flags for Fortran too
+    set(CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS} -g")
 
     set(SMPI_FORTRAN 1)
   endif(CMAKE_Fortran_COMPILER)
@@ -768,34 +777,36 @@ 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((NOT DEFINED enable_python) OR enable_python)
+  get_property(known_features GLOBAL PROPERTY CMAKE_CXX_KNOWN_FEATURES)
 
-if("cxx_std_14" IN_LIST 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.")
+    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()
-  
-else()
-  message(STATUS "No support for C++14 detected, don't even search for pybind11.")
-  set(pybind11_FOUND OFF)
+  unset(known_features)
 endif()
-unset(known_features)
 
 option(enable_python "Whether the Python bindings are activated." ${pybind11_FOUND}) # ON by default if dependencies are met