Add KICAD_SCRIPTING_PYTHON3 flag to about dialog and doc

CMakeLists.txt

@@ -374,6 +374,10 @@ if( KICAD_SCRIPTING_MODULES )
     add_definitions( -DKICAD_SCRIPTING_MODULES )
 endif()
 
+if( KICAD_SCRIPTING_PYTHON3 )
+    add_definitions( -DKICAD_SCRIPTING_PYTHON3 )
+endif()
+
 if( KICAD_SCRIPTING_WXPYTHON )
     add_definitions( -DKICAD_SCRIPTING_WXPYTHON )
 endif()

Documentation/development/compiling.md

@@ -156,6 +156,11 @@ This options is enabled by default.
 The KICAD_SCRIPTING_MODULES option is used to enable building and installing the Python modules
 supplied by KiCad.  This option is enabled by default.
 
+## Python 3 Scripting Support ## {#python3}
+
+The KICAD_SCRIPTING_PYTHON3 option is used to enable building of the Python 3 interface instead
+of Python 2.  This option is disabled by default.
+
 ## wxPython Scripting Support ## {#wxpython_opt}
 
 The KICAD_SCRIPTING_WXPYTHON option is used to enable building the wxPython interface into

common/dialog_about/dialog_about.cpp

@@ -540,6 +540,13 @@ void DIALOG_ABOUT::buildVersionInfoData( wxString& aMsg, bool aFormatHtml )
     aMsg << OFF;
 #endif
 
+    aMsg << indent4 << "KICAD_SCRIPTING_PYTHON3=";
+#ifdef KICAD_SCRIPTING_PYTHON3
+    aMsg << ON;
+#else
+    aMsg << OFF;
+#endif
+
     aMsg << indent4 << "KICAD_SCRIPTING_WXPYTHON=";
 #ifdef KICAD_SCRIPTING_WXPYTHON
     aMsg << ON;