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Re: Dumb Question on GCC
- From: Jerry Heyman <jerry at corp dot tivoli dot com>
- To: Martin Gainty <mgainty at hotmail dot com>
- Cc: <cygwin at cygwin dot com>
- Date: Tue, 1 Jul 2003 19:37:35 -0400 (EDT)
- Subject: Re: Dumb Question on GCC
- Reply-to: <jheyman at us dot ibm dot com>
On Tue, 1 Jul 2003, Martin Gainty wrote:
> $ gcc SLPReg.c -L./ -llibcommonlibslp.a -llibcommonslpd.a
> 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:
> ----- Original Message -----
> From: "Elfyn McBratney" <firstname.lastname@example.org>
> To: "Martin Gainty" <email@example.com>
> Cc: <firstname.lastname@example.org>
> 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
> > >
> > > : 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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