Xref:	news2.mv.net comp.os.msdos.djgpp:6871
From:	Roland Exler <R DOT Exler AT jk DOT uni-linz DOT ac DOT at>
Newsgroups:	comp.os.msdos.djgpp
Subject:	Re: make automatic dependency generation
Date:	Tue, 06 Aug 1996 09:37:22 -0700
Organization:	Institute for el. Measurement, University of Linz, Austria
Lines:	50
Message-ID:	<320774C2.73B9@jk.uni-linz.ac.at>
References:	<3205D74D DOT 2781E494 AT dra DOT hmg DOT gb>
NNTP-Posting-Host:	sensor4.emt.uni-linz.ac.at
Mime-Version:	1.0
To:	djgpp AT delorie DOT com
DJ-Gateway:	from newsgroup comp.os.msdos.djgpp

Ian Miller wrote:
> 
> If you ever read the make info about automatic dependency
> generation but couldn't get it working for djgpp follow the
> example I give below. The important (and difficult) part is
> the sed expression. The rest I include for completishness.I've not tried where the problem in your makefile is, maybe the 
command-call. Take a look at the makefile below, this one runs. It used 
sed to include the .d-files in the dependencies, but I've seen this is 
not neccesary for gnu-make, it automatically recognices to rebuild the 
dependencies as they are included!

Hope this helps,
  Roland

----------------- begin example-makefile ---------------------
SOURCES=test pcx pcxfile pcxreg filebuf

CXXFLAGS=-Wall -O2
TARGET_ARCH=-m486
LDLIBS= -lgr

%.d: %.cc
	$(CC) -MM $(CPPFLAGS) $< | SED 's/$*.o/& $@/g' > $@

%.exe: %
	strip $<
	coff2exe $<

exe: pcx.exe

pcx.exe: test.exe
	copy test.exe pcx.exe

test: $(SOURCES:=.o)

include $(SOURCES:=.d)

# clear Directory
clear:
	del *.o
	del *.d
	del *.bkp

+---------------------------------------+---------------------------+
I Roland Exler                          I EMAIL:                    I
I Universitaet Linz                     I R DOT Exler AT jk DOT uni-linz DOT ac DOT at I
I Institut fuer Elektrische Messtechnik I                           I
I Altenbergerstr. 69                    I Phone:                    I
I A-4040 Linz, AUSTRIA                  I + 43 732 2468 9205        I
+---------------------------------------+---------------------------+

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