Subject: Re: Dumb Question on GCC
From: "Martin Gainty" <[email-masked]>
To: <[email-masked]>, <[email-masked]>
Cc: <[email-masked]>
Date: Tue, 1 Jul 2003 18:11:43 -0400

$ gcc SLPReg.c -L./ -llibcommonlibslp.a -llibcommonslpd.a
/usr/lib/gcc-lib/i686-pc-cygwin/3.2/../../../../i686-pc-cygwin/bin/ld:
cannot fi
nd -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?

Thanks,
Martin

----- Original Message -----
From: "Elfyn McBratney" <[email-masked]>
To: "Martin Gainty" <[email-masked]>
Cc: <[email-masked]>
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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