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From: nate@trout.mt.sri.com (Nate Williams)
Newsgroups: comp.unix.bsd.freebsd.misc
Subject: Re: ld & PIC & bsd.lib.mk question
Date: 20 Aug 1996 16:22:52 GMT
Organization: SRI Intl. - Montana Operations
Lines: 25
Message-ID: <4vcoos$ejf@helena.MT.net>
References: <3219A9CD.41C67EA6@rockwell.cz>
Reply-To: "Nate Williams" <nate@sneezy.sri.com>
NNTP-Posting-Host: trout.mt.sri.com
In article <3219A9CD.41C67EA6@rockwell.cz>,
Petr Kodl <pecold@rockwell.cz> wrote:
>Could anyone explain meaning of the following step in
><bsd.lib.mk>
>
>.cc.so .C.so:
> ${CXX} ${PICFLAG} -DPIC ${CXXFLAGS} -c ${.IMPSRC} -o ${.TARGET}
> @${LD} -x -r ${.TARGET}
> @mv a.out ${.TARGET}
This step removes out many un-necessary symbols such as the intermediate
labels and statics which shouldn't be visible and only clutter up nm
listings, and avoids the programmer getting multiple definition errors for
symbols which really only exist locally and shouldn't be seen globally.
Nate
--
nate@sri.com | Research Engineer, SRI Intl. - Montana Operations
nate@trout.mt.sri.com | Loving life in God's country, the great state of
work #: (406) 449-7662 | Montana (all the crazies are now in jail 'cept us
home #: (406) 443-7063 | natives). - Fly fishing fanatic!