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Re: [Help-gsl] Linking error with GSL 1.15 and gsl_rng functions
From: |
Joseph Wakeling |
Subject: |
Re: [Help-gsl] Linking error with GSL 1.15 and gsl_rng functions |
Date: |
Wed, 12 Oct 2011 16:24:10 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:7.0.1) Gecko/20110929 Thunderbird/7.0.1 |
Hello all,
I wrote:
> I'm having an unexpected linking error with code that has previously
> built without problem against earlier GSL versions.
This turns out to be a g++/autotools issue rather than GSL -- sorry for
the noise.
FWIW, the workaround I have found is to add
CXXFLAGS="$CXXFLAGS -Wl,--no-as-needed"
to configure.ac (apparently since gcc 4.5 the --as-needed option has
been assumed by default and this is what's causing the linking issues).
I'm following up elsewhere, but if I discover a more elegant solution
than the above I'll post it here.
Thanks & best wishes,
-- Joe