Add tde_setup_msgfmt macro.

Signed-off-by: Slávek Banko <slavek.banko@axis.cz>
(cherry picked from commit 6c8bd13328)

modules/TDEMacros.cmake

@@ -1757,6 +1757,25 @@ macro( tde_setup_gcc_visibility )
 endmacro( )
 
 
+#################################################
+#####
+##### tde_setup_msgfmt
+
+macro( tde_setup_msgfmt )
+  if( NOT DEFINED MSGFMT_EXECUTABLE )
+    include( FindGettext )
+    if( GETTEXT_FOUND )
+      set( MSGFMT_EXECUTABLE ${GETTEXT_MSGFMT_EXECUTABLE}
+           CACHE FILEPATH "path to msgfmt executable" )
+    endif( GETTEXT_FOUND )
+
+    if( NOT MSGFMT_EXECUTABLE )
+      tde_message_fatal( "msgfmt is required but was not found on your system." )
+    endif( NOT MSGFMT_EXECUTABLE )
+  endif( )
+endmacro( )
+
+
 ################################################
 #####
 ##### Restore CMP0026 policy