[Dune] #if HAVE_BOOST fails in dune-istl

[Eike Mueller]

Hi Christoph,

thanks, I had checked out the latest trunk revision of the all modules 
and didn't change anything (apart from writing a config.opts file).

However, it all works if I add the option

--with-boost='no'

to the configure flags, so that fixes it for me.

There might just be something wrong with my system, as boost appears to 
be installed. I should also say that I didn't have these problems with 
version 2.1.

I attach the config.log of the failed istl compilation (i.e. without 
"--with-boost='no'"), in particular, it contains this error message here:

[...]
configure:33803: mpic++ -std=c++0x -c -DNDEBUG -O2  -I/usr/include 
-I/usr/include -DENABLE_BOOST conftest.cc >&5
conftest.cc:66:1: warning: "HAVE_BOOST" redefined
conftest.cc:65:1: warning: this is the location of the previous definition
conftest.cc:68:39: error: boost/fusion/container.hpp: No such file or 
directory
conftest.cc: In function 'int main()':
conftest.cc:90: error: 'boost' has not been declared
conftest.cc:90: error: expected primary-expression before 'int'
conftest.cc:90: error: expected ';' before 'int'
configure:33809: $? = 1
[...]

Eike



Christoph Grüninger wrote:
> Hi Eike,
> this is intended. HAVE_BOOST is defined whenever Boost is found by 
> configure. If you want to use it, HAVE_BOOST must be set to 
> ENABLE_BOOST. Maybe you forgott to add the right BOOST flags in the 
> Makefile.am which does it for you.
> 
> If you did everything right in your Makefile.am you might call 
> ax_boost_base.m4 somewhere in your configure run. Usually this should be 
> done only by dune_boost_base.m4 because only the dune test sets 
> ENABLE_BOOST.
> 
> Bye
> Christoph
> 

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