Fix bug in CMakeLists that happens for old cmake version (<2.8.12)

HySoP/CMakeLists.txt

@@ -89,7 +89,14 @@ set(PACKAGE_NAME Parmes)
 # --- Python ---
 find_package(PythonInterp)
 get_filename_component(PYTHON_DIR ${PYTHON_EXECUTABLE} REALPATH)
-get_filename_component(PYTHON_DIR ${PYTHON_DIR} DIRECTORY)
+display(CMAKE_PATCH_VERSION)
+if(CMAKE_PATCH_VERSION LESS 12)
+  set(PYTHON_DIR ${PYTHON_DIR}/..)
+  get_filename_component(PYTHON_DIR ${PYTHON_DIR} REALPATH)
+else()
+  get_filename_component(PYTHON_DIR ${PYTHON_DIR} DIRECTORY)
+endif()
+display(PYTHON_DIR)
 set(PYTHON_main_version ${PYTHON_VERSION_MAJOR}.${PYTHON_VERSION_MINOR})
 set(PythonLibs_FIND_VERSION ${PYTHON_VERSION_STRING})
 set(PYTHON_INCLUDE_DIR ${PYTHON_DIR}/../include/python${PYTHON_main_version})
@@ -124,17 +131,16 @@ else()
     string(STRIP ${ENABLE_USER} ENABLE_USER)
     if(ENABLE_USER)
       # Default prefix (as python --user) -> installation in site.USER_SITE
+      # Note FP : for brew users, you need to set prefix= nothing in file /usr/local/Cellar/python/2.7.6_1/Frameworks/Python.framework/Versions/2.7/lib/python2.7/distutils/distutils.cfg
+      # or create a ~/.pydistutils.cfg  with:
+      # [install]
+      # prefix=
       set(install-opt "--user")
       # Need to set the CMAKE_INSTALL_PREFIX to site.USER_SITE
       # Get python user site and install path = USER_SITE + project_name
       set(PYTHON_COMMAND_GET_INSTALL_DIR "import site, os ; print os.path.join(site.USER_SITE, \"${PROJECT_NAME}\")")
       # Set cmake PREFIX variable only for summary
-      # Get python user base
-      execute_process(
-	COMMAND ${PYTHON_EXECUTABLE} -c "import site ; print site.USER_BASE"
-	OUTPUT_VARIABLE PY_USER_BASE)
-      string(STRIP ${PY_USER_BASE} PY_USER_BASE)
-      set(PREFIX "No User prefix given, use python --user (site.USER_BASE=${PY_USER_BASE})")
+      set(PREFIX "No User prefix given, install process with python --user (in site.USER_SITE)")
     else() # user site not included in the path, which probably means that python is run using virtualenv
       # Command to find 'global' site-package
       set(GET_SITE_PACKAGE "from distutils.sysconfig import get_python_lib; print(get_python_lib())")
@@ -154,7 +160,6 @@ execute_process(
 string(STRIP ${${PROJECT_NAME}_INSTALL_DIR} ${PROJECT_NAME}_INSTALL_DIR)
 # set CMAKE_INSTALL_PREFIX to the site
 set(CMAKE_INSTALL_PREFIX ${${PROJECT_NAME}_INSTALL_DIR})
-
 #
 #Get build dir for python
 execute_process(
@@ -217,15 +222,9 @@ add_custom_target(python-build ALL COMMAND ${PYTHON_EXECUTABLE} ${CMAKE_CURRENT_
    WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR} COMMENT "build parmepy package")
 
 # To install python package AND parmes library and modules
-if(WITH_LIB_FORTRAN)
-  add_custom_target(python-install COMMAND ${PYTHON_EXECUTABLE} ${CMAKE_CURRENT_BINARY_DIR}/setup.py install ${install-opt} config_fc --f90exec=${CMAKE_Fortran_COMPILER}
-    #COMMAND make install
-    WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR} COMMENT "build/install parmepy package")
-else()
-  add_custom_target(python-install COMMAND ${PYTHON_EXECUTABLE} ${CMAKE_CURRENT_BINARY_DIR}/setup.py install ${install-opt} config_fc --f90exec=${CMAKE_Fortran_COMPILER}
-    #COMMAND make install
-    WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR} COMMENT "build/install parmepy package")
-endif()
+add_custom_target(python-install COMMAND ${PYTHON_EXECUTABLE} ${CMAKE_CURRENT_BINARY_DIR}/setup.py install ${install-opt} config_fc --f90exec=${CMAKE_Fortran_COMPILER}
+  #COMMAND make install
+  WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR} COMMENT "build/install parmepy package")
 
 install(CODE "execute_process(COMMAND ${CMAKE_BUILD_TOOL} python-install WORKING_DIRECTORY \"${CMAKE_CURRENT_BINARY_DIR}\")")