diff --git a/CMake/FindFFTW.cmake b/CMake/FindFFTW.cmake
index 994b25e3a137df30c7907105fc6ee3404284cac3..d553d45365ccf65b2ef0c5b0ee843a60b8a6aeb1 100644
--- a/CMake/FindFFTW.cmake
+++ b/CMake/FindFFTW.cmake
@@ -5,7 +5,7 @@
 #  FFTW_INCLUDE_DIRS - the FFTW include directories
 #  FFTW_LIBRARIES - link these to use FFTW
 #
-# Set With_FFTW=where_fftw_is_installed if it's not in a "classic" place or if you want a specific version
+# Set fftw_DIR=where_fftw_is_installed if it's not in a "classic" place or if you want a specific version
 #
 # Written by F. Pérignon, nov/2009 
 # inspired from http://www.cmake.org/Wiki/CMake:How_To_Find_Libraries
@@ -21,7 +21,7 @@ find_path(
   FFTW_INCLUDE_DIR
   NAMES fftw3.h 
   #NO_CMAKE_ENVIRONMENT_PATH
-  PATHS ${With_FFTW} PATHS ENV INCLUDE ENV PATH ${FFTW_PKGCONF_INCLUDE_DIRS}
+  PATHS ${fftw_DIR} PATHS ENV INCLUDE ENV PATH ${FFTW_PKGCONF_INCLUDE_DIRS}
   PATH_SUFFIXES include
   NO_DEFAULT_PATH
   )
@@ -32,8 +32,9 @@ find_path(FFTW_INCLUDE_DIR NAMES fftw3.h)
 find_library(
   FFTW_LIBRARY
   NAMES fftw3
-  PATHS ${With_FFTW} ENV LIBRARY_PATH ENV LD_LIBRARY_PATH  ${FFTW_PKGCONF_LIBRARY_DIRS} 
+  PATHS ${fftw_DIR} ${FFTW_INCLUDE_DIR}/.. ENV LIBRARY_PATH ENV LD_LIBRARY_PATH  ${FFTW_PKGCONF_LIBRARY_DIRS} 
   PATH_SUFFIXES lib
+  NO_DEFAULT_PATH
 )
 
 find_library(FFTW_LIBRARY 
@@ -43,8 +44,9 @@ find_library(FFTW_LIBRARY
 find_library(
   FFTWFloat_LIBRARY
   NAMES fftw3f
-  PATHS ${With_FFTW} ENV LIBRARY_PATH ENV LD_LIBRARY_PATH  ${FFTW_PKGCONF_LIBRARY_DIRS} 
+  PATHS ${fftw_DIR} ENV LIBRARY_PATH ENV LD_LIBRARY_PATH  ${FFTW_PKGCONF_LIBRARY_DIRS} 
   PATH_SUFFIXES lib
+  NO_DEFAULT_PATH
 )
 find_library(FFTWFloat_LIBRARY 
   NAMES fftw3f 
diff --git a/CMake/FindMPI_Fortran.cmake b/CMake/FindMPI_Fortran.cmake
index 72af5b9c7c149f2e92e150dcb555460f041daac8..cd323fbcb4ad65c40c81e3914b95e65b16e17319 100644
--- a/CMake/FindMPI_Fortran.cmake
+++ b/CMake/FindMPI_Fortran.cmake
@@ -10,7 +10,7 @@
 #   MPI_Fortran_LIBRARIES              All libraries to link MPI programs against
 #
 # F. Pérignon - LJK, Grenoble - march 2011. 
-# Inspired from original Kitware FindMPI.cmake (only for C/C++ MPI)
+# Inspired from original Kitware FindMPI.cmake (which is written only for C/C++ MPI)
 #
 
 # If mpiexec is not set, that means MPI has not been searched. Forced it
@@ -193,9 +193,9 @@ elseif (MPI_Fortran_COMPILE_CMDLINE)
     find_library(MPI_Fortran_LIB ${LIB} HINTS ${MPI_Fortran_LINK_PATH})
     if (MPI_Fortran_LIB)
       list(APPEND MPI_Fortran_LIBRARIES ${MPI_Fortran_LIB})
-    else (MPI_LIB)
+    else()
       message(SEND_ERROR "Unable to find MPI library ${LIB}")
-    endif (MPI_Fortran_LIB)
+    endif()
   endforeach(LIB)
   set(MPI_Fortran_LIB "MPI_LIB-NOTFOUND" CACHE INTERNAL "Scratch variable for MPI detection" FORCE)
 
@@ -203,12 +203,12 @@ elseif (MPI_Fortran_COMPILE_CMDLINE)
   # MPI_EXTRA_LIBRARY.
   list(LENGTH MPI_Fortran_LIBRARIES MPI_Fortran_NUMLIBS)
   list(LENGTH MPI_Fortran_LIBNAMES MPI_Fortran_NUMLIBS_EXPECTED)
-  if (MPI_Fortran_NUMLIBS EQUAL MPI_Fortran_NUMLIBS_EXPECTED)
+  if (MPI_Fortran_NUMLIBS GREATER MPI_Fortran_NUMLIBS_EXPECTED)
     list(GET MPI_Fortran_LIBRARIES 0 MPI_Fortran_LIBRARY_WORK)
     set(MPI_Fortran_LIBRARY ${MPI_Fortran_LIBRARY_WORK} CACHE FILEPATH "MPI library to link against" FORCE)
-  else (MPI_Fortran_NUMLIBS EQUAL MPI_Fortran_NUMLIBS_EXPECTED)
+  else()
     set(MPI_Fortran_LIBRARY "MPI_Fortran_LIBRARY-NOTFOUND" CACHE FILEPATH "MPI library to link against" FORCE)
-  endif (MPI_Fortran_NUMLIBS EQUAL MPI_Fortran_NUMLIBS_EXPECTED)
+  endif()
   if (MPI_Fortran_NUMLIBS GREATER 1)
     set(MPI_Fortran_EXTRA_LIBRARY_WORK ${MPI_Fortran_LIBRARIES})
     list(REMOVE_AT MPI_Fortran_EXTRA_LIBRARY_WORK 0)
diff --git a/CMake/FindMetis.cmake b/CMake/FindMetis.cmake
index bfb7411c17438b44610246ba4c78867865b005fe..3025849b884181fe184dc35dc95856a1dfeb34e8 100644
--- a/CMake/FindMetis.cmake
+++ b/CMake/FindMetis.cmake
@@ -5,8 +5,9 @@
 #  Metis_INCLUDE_DIRS - the Metis include directories
 #  Metis_LIBRARIES - link these to use Metis
 #
-# Franck Perignon, jan. 2011, from http://www.cmake.org/Wiki/CMake:How_To_Find_Libraries
+# If Metis is in a non usual place, provide Metis_DIR variable to cmake (cmake -DMetis_DIR=...)
 #
+# Franck Perignon, jan. 2011, from http://www.cmake.org/Wiki/CMake:How_To_Find_Libraries
 #
 # - On debian, metis is installed in /usr/include/metis, /usr/lib with both static and dynamic libs.
 # - The tgz file from Karypis lab does not include any installation process. Metis is compiled in the sources and the .h is in metis_src/Lib, while the .a is in