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X-Mailer: exmh version 2.0beta 12/23/96
To: Bruce Evans <bde@freefall.freebsd.org>
cc: CVS-committers@freefall.freebsd.org, cvs-all@freefall.freebsd.org,
        cvs-lib@freefall.freebsd.org, cvs-gnu@freefall.freebsd.org
Subject: Re: cvs commit: src/gnu/usr.bin/genclass Makefile 
 src/lib/csu/i386 Makefile
In-reply-to: Your message of "Tue, 31 Dec 1996 20:52:56 PST."
             <199701010452.UAA13241@freefall.freebsd.org> 
Date: Wed, 01 Jan 1997 17:26:31 +0800
From: Peter Wemm <peter@spinner.DIALix.COM>
Sender: owner-cvs-gnu@FreeBSD.ORG
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Precedence: bulk

Bruce Evans wrote:
> bde         96/12/31 20:52:56
> 
>   Modified:    gnu/usr.bin/genclass  Makefile
>                lib/csu/i386  Makefile
>   Log:
>   Use ${COPY} instead of -C for installing non-source files.  crt*.o
>   should be installed using the same flag as libraries, but ${COPY}
>   is currently used for libraries.

Ahh, now I remember why the crt stuff is installed with -C..  It's because 
c++rt.o is linked into dynamic and static libs, so doing a 'make install' 
in csu/i386 used to cause a large scale relink next time around.  Or 
something like that..

I remember it was originally changed from "install -c" to "cmp -s || 
install -c" specifically to stop this problem.  Changing it back to 
${COPY} causes the problem to come back I think.  If you really want to 
preserve ${COPY} semantics, perhaps something remotely like this:

.if ${COPY} != -c
        ${INSTALL} ${COPY} -o ${BINOWN} -g ${BINGRP} -m 444 $i \
                ${DESTDIR}/usr/lib
.else
        ${INSTALL} -C -o ${BINOWN} -g ${BINGRP} -m 444 $i \
               ${DESTDIR}/usr/lib
.endif

Hmm.. in bsd.prog.mk, sometime ${PROG} is dependent on ${LIBCRT0}, 
sometimes not.  It looks like this is incomplete, it should be dependent 
on the static crt0 when linking static, and should still be dependent on 
the crt0 object for all the other cases too, otherwise a 'make' would miss 
an update to crt0.o.

Cheers,
-Peter