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Re: Linking to a library in mixed C/Fortran 77 code

From: Amittai Aviram <amittai dot aviram at yale dot edu>
To: Jonathan Wakely <jwakely dot gcc at gmail dot com>
Cc: gcc-help at gcc dot gnu dot org
Date: Thu, 12 Apr 2012 19:05:26 -0400
Subject: Re: Linking to a library in mixed C/Fortran 77 code
References: <DDA18520-1150-4D64-8445-FE8590728C32@yale.edu> <CAH6eHdTieWKOCPY0QME9QH2Gj2yR6mf5__3pMntDKKkJ_vscOQ@mail.gmail.com>

On Apr 12, 2012, at 6:48 PM, Jonathan Wakely wrote:

> Are you asking why you get the warning?  Or how to get rid of it? Or
> something else?

Something else:  I am asking how to make it possible for ld to recognize the function in libgomp.so so that I can link dynamically.

> If foo isn't being found in your modified libgomp.so it is probably
> because libgomp.so is being built with symbol-versioning enabled and
> you haven't exported foo from the library as a global symbol.

Great!  That's what I was missing.  I just added the name "foo" to my libgomp/libgomp.map and rebuilt GCC, and now my application links dynamically!  Thanks a lot!

Amittai Aviram
PhD Student in Computer Science
Yale University
646 483 2639
amittai.aviram@yale.edu
http://www.amittai.com

References:
- Linking to a library in mixed C/Fortran 77 code
  - From: Amittai Aviram
- Re: Linking to a library in mixed C/Fortran 77 code
  - From: Jonathan Wakely

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