Date: Mon, 8 Apr 2002 11:51:21 -0700 From: Max Khon <fjoe@freebsd.org> To: Peter Wemm <peter@wemm.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: <20020408115121.A50619@hub.freebsd.org> In-Reply-To: <20020408183757.36E4E38CC@overcee.wemm.org>; from peter@wemm.org on Mon, Apr 08, 2002 at 11:37:57AM -0700 References: <20020408164449.GD93885@elvis.mu.org> <20020408183757.36E4E38CC@overcee.wemm.org>
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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 on.
>
> 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}
/fjoe
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