During the post-configure validation of @VAR@ references, ignore commented-out references in files which seem (based on their name) to be makefiles, as it's sometimes handy to comment-out such vars during development of a configure script and its corresponding makefile(s). (tags: trunk)

During the post-configure validation of @VAR@ references, ignore commented-out references in files which seem (based on their name) to be makefiles, as it's sometimes handy to comment-out such vars during development of a configure script and its corresponding makefile(s). (tags: trunk)