Maintainer mode

[Doug Evans <dje at transmeta dot com>]

Doug Evans writes:
 > Ben Elliston writes:
 >  > After thinking about it a bit, I am ready to propose that the opcodes
 >  > and sim Makefile.am's be modified so that they no longer rely on
 >  > `--enable-cgen-maint', but instead use the @MAINTAINER_MODE@
 >  > substitutions provided by AM_MAINTAINER_MODE to determine whether or
 >  > not to include rules for automatically regenerating files.
 >  > 
 >  > The advantages here are obvious: you need not remember an extra option
 >  > to `configure' and it works more obviously.
 > 
 > I recognize the reasons why one would want to do this.
 > I didn't do this because it carries extra burdens I wasn't prepared
 > to dump on binutils/gdb people.

Plus, turning on maintainer-mode often caused lots of trivial diffs
in lots of Makefile.in's/configure.in's (for me anyway).
When I'm hacking on cgen stuff, I'd rather just not be put the
the trouble of having to deal with all of that.  ymmv of course.