RCS and Sun's make

[Dale Call]

Has anyone figured out a way to get Sun's make to understand RCS?  We are
currently using a custom in-house version of make but would like to get
access to the advanced features in Sun's make.  GNU make would work except
it doesn't work with Saber C {Saber depends on a nasty "feature" of
standard make, that comment lines start with a '#' char in the first
column, action lines that start with a '#' not in the first character
(there is a leading tab) are output as error messages that Saber
interprets.  GNU make does it right (treats any line with whitespace
followed by # as a comment), but for us it is wrong *sigh*}.

Does anyone know of another product that is compatible with standard make,
understands RCS, works with Saber C, and has include file support,
conditionals, etc?

Suggestions?  I haven't had a chance to look and see if GNU make can be
modified (yet another flag) to act in a compatible fashion so Saber will
work with it ...  If this is doable, suggestions as to what letter the
flag should be (-b for broken, perhaps :-)) are welcome.

Dale Call