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Date:	Tue, 1 Jul 2003 19:37:35 -0400 (EDT)
From:	Jerry Heyman <jerry AT corp DOT tivoli DOT com>
X-X-Sender:	<jerry AT comlink DOT tivlab DOT raleigh DOT ibm DOT com>
Reply-To:	<jheyman AT us DOT ibm DOT com>
To:	Martin Gainty <mgainty AT hotmail DOT com>
cc:	<cygwin AT cygwin DOT com>
Subject:	Re: Dumb Question on GCC
In-Reply-To:	<Law10-OE15T2NqFJ3sl00023a81@hotmail.com>
Message-ID:	<Pine.GSO.4.33.0307011934170.12498-100000@comlink.tivlab.raleigh.ibm.com>
MIME-Version:	1.0

On Tue, 1 Jul 2003, Martin Gainty wrote:

> $ gcc SLPReg.c -L./ -llibcommonlibslp.a -llibcommonslpd.a
> /usr/lib/gcc-lib/i686-pc-cygwin/3.2/../../../../i686-pc-cygwin/bin/ld:
> cannot find -llibcommonlibslp.a
> collect2: ld returned 1 exit status
>
> I put c files, o.files, lib and all files local in same directory  and the
> linker still cant find anything Is there any doc on how this works?

-l means that you are specifying a file starting with lib.  If you try
-lcommonlibslp -lcommonslpd gcc should be able to determine what it is
you are trying to link with.

Though I doubt it changes anything, I would also personally use:

 -L.

rather than

 -L./

jerry

>
> ----- Original Message -----
> From: "Elfyn McBratney" <elfyn AT cygwin DOT com>
> To: "Martin Gainty" <mgainty AT hotmail DOT com>
> Cc: <cygwin AT cygwin DOT com>
> Sent: Tuesday, July 01, 2003 5:53 PM
> Subject: Re: Dumb Question on GCC
>
>
> > On Tue, 1 Jul 2003, Martin Gainty wrote:
> >
> > > GCC SlpReg.c
> > >
> /cygdrive/h/DOCUME~1/ADMINI~1/LOCALS~1/Temp/ccwParH7.o(.text+0x11d):SLPReg.c
> > > : un
> > > defined reference to `_SLPOpen'
> > >
> > > My header file refers to function SLPOpen not _SLPOpen
> > > The .c file calls SLPOpen not _SLPOpen
> >
> > Meaning? You declare and define that function? Or you declare a library
> > function? If the latter, you need to link in the library e.g.
> >
> >   $ gcc SlpReg.c -L/path/to/library/files -llib
> >   (where the path after `-L' is searched for a library named `lib')
> >
> > > Where does the leading underscore come from ?
> > > How do I shut it off the compiler from introducing leading _?
> >
> > That's how the linker referrs to the symbol name.
> >
> > Elfyn
> > --
> >
> >
> > --
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> >
>
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Jerry Heyman   919.224.1442   | IBM SWG/Tivoli Software|"Software is the
Build Infrastructure Architect| 3901 S Miami Blvd      | difference between
jheyman AT us DOT ibm DOT com            | Durham, NC  27703      | hardware and reality"
                      http://www.cs.stedwards.edu/~heyman



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