Date:	Thu, 20 Aug 1998 21:00:55 -0400 (EDT)
Message-Id:	<199808210100.VAA22487@delorie.com>
From:	DJ Delorie <dj AT delorie DOT com>
To:	djgpp-workers AT delorie DOT com
Subject:	subtle make bugs

This makefile fails, because it things that o: is a drive letter:

foo.o:/foo.c

This makefile fails because it doesn't think that o: is a drive letter:

foo.o : o:foo.c

The code that does this is apparently quite flawed (two similar cases
in make's read.c):

	  /* For MS-DOS, skip a "C:\...".  */
	  if (p != 0 && p[1] == '\\' && isalpha (p[-1]))
	    p = 0;

It needs to check that there's exactly one letter before the colon
(beginning of line or preceeded by whitespace or non-file-name-char),
it needs to allow both slash types, and it should allow any valid file
character to follow the colon.  Was there a good reason we (I?) did it
the way we did, and haven't fixed it yet?

DJ

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