Date: Mon, 08 Apr 2002 16:19:50 -0700 From: Peter Wemm <peter@wemm.org> To: Max Khon <fjoe@FreeBSD.ORG> Cc: Alfred Perlstein <bright@mu.org>, Ruslan Ermilov <ru@FreeBSD.ORG>, Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>, "M. Warner Losh" <imp@village.org>, cvs-committers@FreeBSD.ORG, cvs-all@FreeBSD.ORG Subject: Re: (using g++ for linkage) Re: cvs commit: src/gnu/usr.bin/gperf Message-ID: <20020408231950.4A0423811@overcee.wemm.org> In-Reply-To: <20020408115121.A50619@hub.freebsd.org>
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Max Khon wrote:
> hi, there!
>
> On Mon, Apr 08, 2002 at 11:37:57AM -0700, Peter Wemm wrote:
>
> > > * Ruslan Ermilov <ru@FreeBSD.org> [020408 01:39] wrote:
> > > > >
> > > > OK, how about backing these out and committing this instead?
> > > >
> > > > %%%
> > > > Index: bsd.prog.mk
> > > > +.if ${SRCS:M*.cc} != "" || ${SRCS:M*.C} != "" || ${SRCS:M*.cpp} != ""
|| \
> > > > + ${SRCS:M*.cxx} != ""
> > > > + ${CXX} ${CFLAGS} ${LDFLAGS} -o ${.TARGET} ${OBJS} ${LDDESTDIR}
${LDADD}
> > > > +.else
> > > > ${CC} ${CFLAGS} ${LDFLAGS} -o ${.TARGET} ${OBJS} ${LDDESTDIR} $
{LDADD}
> > > > +.endif
> > > >
> > > > .else !defined(SRCS)
> > > >
> > > > %%%
> > >
> > > I was about to propose something like this, nice work. :)
> >
> > That's a partial solution, but would probably be enough for these few
> > cases. For example, it doesn't detect when you have libxxx.a file with C++
> > objects in it.
> >
> > Also, it leaves out the dependency on libstdc++. linking everything with
> > c++(1) is a subset of adding to LDADD/DPADD. The LDADD is taken care of,
> > but the DPADD of ${LIBSTDCPLUSPLUS} is missing. Only ${LIBC} is depended o
n.
> >
> > It might be better to have a switch to specify c++ linking.
> >
> > Or we could just leave it the way it is.
>
> NetBSD's <bsd.prog.mk> allows to use PROG_CXX=foobar instead of PROG=foobar
> to link using ${CXX} instead of ${CC}
I like this even better.
Cheers,
-Peter
--
Peter Wemm - peter@wemm.org; peter@FreeBSD.org; peter@yahoo-inc.com
"All of this is for nothing if we don't go to the stars" - JMS/B5
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