diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3ecfe23a6..246bb15a8 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -445,7 +445,6 @@ if(NOT FREECAD_LIBPACK_USE OR FREECAD_LIBPACK_CHECKFILE_CLBUNDLER)
 
 # http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=677598
 # Acceptable versions of Python
-set(Python_ADDITIONAL_VERSIONS "2.7")
 
 # For building on OS X
 if(${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
diff --git a/src/3rdParty/salomesmesh/CMakeLists.txt b/src/3rdParty/salomesmesh/CMakeLists.txt
index 303ae6e0a..9c10046e6 100644
--- a/src/3rdParty/salomesmesh/CMakeLists.txt
+++ b/src/3rdParty/salomesmesh/CMakeLists.txt
@@ -379,6 +379,7 @@ if (BUILD_FEM_NETGEN)
 FILE(GLOB NETGENPlugin_source_files src/NETGENPlugin/*.cpp inc/NETGENPlugin_*.h* )
 ADD_LIBRARY(NETGENPlugin SHARED ${NETGENPlugin_source_files})
 TARGET_LINK_LIBRARIES(NETGENPlugin SMDS SMESHDS SMESH StdMeshers ${SMESH_LIBS} )
+set_property(TARGET NETGENPlugin PROPERTY CXX_STANDARD 14)
 
 SET_BIN_DIR(NETGENPlugin NETGENPlugin)
 if(WIN32)
diff --git a/src/3rdParty/salomesmesh/src/SMESH/SMESH_MeshAlgos.cpp b/src/3rdParty/salomesmesh/src/SMESH/SMESH_MeshAlgos.cpp
index 3b66ec663..3d4bc8afd 100644
--- a/src/3rdParty/salomesmesh/src/SMESH/SMESH_MeshAlgos.cpp
+++ b/src/3rdParty/salomesmesh/src/SMESH/SMESH_MeshAlgos.cpp
@@ -38,6 +38,7 @@
 #include <GC_MakeSegment.hxx>
 #include <GeomAPI_ExtremaCurveCurve.hxx>
 #include <Geom_Line.hxx>
+#include <Quantity_Parameter.hxx>
 #include <IntAna_IntConicQuad.hxx>
 #include <IntAna_Quadric.hxx>
 #include <gp_Lin.hxx>