@file{/usr/gnu/include},
@file{/usr/local/include}, @file{/usr/include}.
-If an included makefile cannot be found in any of these directories, a
-warning message is generated, but it is not an immediately fatal error;
-processing of the makefile containing the @code{include} continues.
-Once it has finished reading makefiles, @code{make} will try to remake
-any that are out of date or don't exist.
-@xref{Remaking Makefiles, ,How Makefiles Are Remade}.
+If an included makefile cannot be found in any of these directories it
+is not an immediately fatal error; processing of the makefile
+containing the @code{include} continues. Once it has finished reading
+makefiles, @code{make} will try to remake any that are out of date or
+don't exist. @xref{Remaking Makefiles, ,How Makefiles Are Remade}.
Only after it has tried to find a way to remake a makefile and failed,
will @code{make} diagnose the missing makefile as a fatal error.