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Date: Thu, 7 Aug 2003 21:55:42 +0300
From: Ruslan Ermilov <ru@freebsd.org>
To: Andrew Gallatin <gallatin@cs.duke.edu>
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cc: freebsd-hackers@freebsd.org
Subject: Re: BSD make question
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On Thu, Aug 07, 2003 at 02:50:51PM -0400, Andrew Gallatin wrote:
>=20
> Ruslan Ermilov writes:
>  > On Thu, Aug 07, 2003 at 02:42:30PM -0400, Andrew Gallatin wrote:
>  > >=20
>  > > Using BSD make, how can I apply different rules based on different
>  > > directories while using only a single makefile?
>  > >=20
>  > There's a .CURDIR variable that can be used to conditionalize
>  > parts of a makefile.
>  >=20
>  > > Ie, the appended Makefile results in the following compilations:
>  > >=20
>  > >     gcc -DLIB -c lib/foo.c -o lib/foo.o
>  > >     gcc -DLIB -c lib/bar.c -o lib/bar.o
>  > >     gcc -DMCP -c mcp/baz.c -o mcp/baz.o
>  > >=20
>  > > Is it possible to do something similar with BSD make?
>  > >=20
>  > It just works "as is" with bmake.  What's your problem, Drew?  ;-)
>  >=20
>  > $ make -n
>  > cc -O -pipe -march=3Dpentiumpro -c lib/foo.c
>=20
> ;)  But its missing the -DLIB or -DMCP.
>=20
> Thanks for the .CURDIR hint.
>=20
Ah, didn't notice it.  Try this:

=2Efor f in $(LIB)
$(f:.c=3D.o): $(f)
	gcc -DLIB -c $< -o $@
=2Eendfor

=2Efor f in $(MCP)
$(f:.c=3D.o): $(f)
	gcc -DMCP -c $< -o $@
=2Eendfor


Cheers,
--=20
Ruslan Ermilov		Sysadmin and DBA,
ru@sunbay.com		Sunbay Software Ltd,
ru@FreeBSD.org		FreeBSD committer

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