No obvious things in this log. But a careful reading shows that both
glpk.h and glpk/glpk.h where found. glpk in sage only ships glpk.h
so the other one must come from the system.
The output of "rpm -ql glpk-dev" or would it be glpk-devel would
show us what has been detected from the system.

But like I said earlier in answering David, fixing it not as obvious
as it seems.

François

On 9/09/2014, at 20:51, 'Paul Mercat' via sage-devel 
<sage-devel@googlegroups.com> wrote:

> Here is the file 
> /home/paul.mercat/sage/local/var/tmp/sage/build/ppl-1.1/src/config.log 
> 
> Paul
> 
> Le mardi 9 septembre 2014 07:02:11 UTC+2, François a écrit :
> 
> On 9/09/2014, at 16:32, Dr. David Kirkby (Kirkby Microwave Ltd) 
> <drki...@kirkbymicrowave.co.uk> wrote: 
> 
> > 
> > On 9 Sep 2014 00:25, "François Bissey" <francoi...@canterbury.ac.nz> wrote: 
> > > But it is almost certain the system glpk 
> > > is the problem. 
> > 
> > If so, given Sage ships glpk, and quite a number of other packages to 
> > ensure that we control exactly the versions being linked, then I suspect 
> > the  ppl package needs modifying to ensure it links against the version of 
> > glpk shipped in Sage and not some other version which may be on the system. 
> > 
> > Although I have not looked at the code; that should be a fairly easy fix. 
> > 
> I have looked at the code and unfortunately there is nothing to give a 
> location 
> for glpk in ppl's configure script. We have to make sure CPPFLAGS and LDFLAGS 
> point to the good spot. 
> 
> Francois 
> 
> 
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