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Date: Sat, 9 Feb 2002 12:24:35 +0100 (MET)
From: Gisle Vanem <giva AT bgnett DOT no>
To: djgpp AT delorie DOT com
Subject: gcc 3.03 dependency output
Message-ID: <Pine.UW2.3.95.1020209122304.7646A-100000@bryggen.bgnett.no>
MIME-Version: 1.0
Content-Type: TEXT/PLAIN; charset=US-ASCII
Reply-To: djgpp AT delorie DOT com

I generate dependency output for makefiles using this command:

MAKEFILE = Makefile.dj
MM_SPECS = $(TMPDIR)/specs

depend:
      @copy $(MAKEFILE) Makefile.bak
      @echo "*cpp: %(cpp_cpu) %{posix:-D_POSIX_SOURCE} -remap" > $(MM_SPECS)
      sed -e "/^# DO NOT DELETE THIS LINE/,$$d" < Makefile.bak > $(MAKEFILE)
      echo "# DO NOT DELETE THIS LINE"                        >> $(MAKEFILE)
      gcc -MM -specs=$(MM_SPECS) $(CFLAGS) $(SOURCES)       >> $(MAKEFILE)
      @rm -f $(MM_SPECS)

Using my own specs used to prevent $(DJDIR)/lib/gcc-lib/djgpp/3.03/djgpp.ver
from beeing included in the output (in gcc 2.95-3.02). Not any more!

Why is this file included now? This makes it necessary to 'make depend'
whenever the makefile is copied to another PC.

It looks like the default specs-file isn't overridden. Running:
  gcc -specs=./specs -v

gives this:
  Reading specs from e:/djgpp/lib/gcc-lib/djgpp/3.03/specs
  Reading specs from e:/djgpp/lib/gcc-lib/djgpp/3.03/./specs
  Configured with: ../configure i586-pc-msdosdjgpp --prefix=/dev/env/DJDIR --disable-nls
  Thread model: single
  gcc version 3.0.3

It looks like the default specs-file is *not* overridden and something
is wrong with the path prefix logic.

Gisle V.