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Article #329

Re: help: Undefined reference to '...'

#329
From: Arthur H. Gold
Date: Sat, 26 May 2001 15:44
50 lines
2596 bytes
Chris Ahlstrom wrote:
> 
> "David. E. Goble" wrote:
> >
> > Hi All;
> >
> > I have redHat 6.2 (server install)
> >
> > I am trying to do some programming.
> >
> > Tried these two;
> >
> >         gcc testlibpq.c -I/usr/include/pgsql/ -L/usr/lib/
> >
> > and
> >
> >         gcc cube.cpp -I/usr/X11R6/include/ -L/usr/X11R6/lib/
> >
> > both produce a list of;
> >
> > .... Undefined reference to '...'
> > collect2: ld returned 1 exit status
> >
> > I understand this has something to do with linking...
> >
> > What am I doing wrong or not doing. Please I need step by step
> > instruction, thanks.
> 
> Can't give you steps, but it sounds like you're forgetting
> to add an explicit reference to a library (*.a) or an object
> module (*.o) that contains the definition of the function
> or global variable "collect2".  So the linker/loader (ld)
> cannot find it.
> 
>     gcc testlibpq.c -I/usr/include/pgsql/ -L/usr/lib/ collect2.o
> 
>     gcc testlibpq.c -I/usr/include/pgsql/ -L/usr/lib/ mylibrary.a
> 
> I don't know what library/module collect2 would appear in.
> Is an SQL thang?
`collect2' is part of `ld'

HTH,
--ag

-- 
Artie Gold, Austin, TX  (finger the cs.utexas.edu account for more info)
mailto:agold@bga.com or mailto:agold@cs.utexas.edu
--
I am looking for work. Contact me.
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Date: Sat, 26 May 2001 10:44:01 -0500
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