[pgrouting-dev] Building TRSP branch

[Steve Horn]

Trying to manually build and install the gmp dependency for cgal..but I'm
curious how you can install it through yum. The searches you provided do
not turn up anything.

I'm more familiar with apt get and adding repositories. Does yum work
similarly? Just curious and trying to learn. Thanks!

On Monday, June 11, 2012, Stephen Woodbridge wrote:

> On 6/11/2012 3:41 PM, Steve Horn wrote:
>
>> Hello again :)
>>
>> Trying to build and install the trsp branch on my CentOS linux box.
>> (Using
>> https://github.com/pgRouting/**pgrouting/wiki/Developer---**
>> Getting-Started<https://github.com/pgRouting/pgrouting/wiki/Developer---Getting-Started>as
>> a baseline)
>>
>> Here is where I'm at:
>> # git clone https://github.com/pgRouting/**pgrouting.git<https://github.com/pgRouting/pgrouting.git>
>> # cd pgrouting
>>
>> //Hack around installing GAUL
>>
>> # cmake -DWITH_TSP=ON -DWITH_DD=ON .
>> -- POSTGRESQL_EXECUTABLE is POSTGRESQL_EXECUTABLE-NOTFOUND
>> -- Found PostgreSQL: /usr/include/postgresql/**include/server,
>> /usr/pgsql-9.1/lib/libpq.so
>> Boost headers were found here: /usr/include
>> Output directory for libraries is set to /usr/pgsql-9.1/lib
>> Installation directory for libraries is set to /usr/pgsql-9.1/lib and
>> for SQL files is set to /usr/share/pgrouting
>> Installation directory for libraries is set to /usr/pgsql-9.1/lib
>> -- Configuring done
>> -- Generating done
>> -- Build files have been written to: /home/shorn/pgrouting
>>
>> # make
>> Linking CXX shared library ../../../lib/librouting_tsp.so
>> */usr/bin/ld: cannot find -lgmp  //THIS APPEARS TO BE THE PROBLEM?*
>> collect2: ld returned 1 exit status
>> make[2]: *** [lib/librouting_tsp.so] Error 1
>> make[1]: *** [extra/tsp/src/CMakeFiles/**routing_tsp.dir/all] Error 2
>> make: *** [all] Error 2
>>
>> Can anyone help me understand the error "Cannot find -lgmp"?
>>
>
> For TSP you need to instal GUAL and for DD you need the CGAL libraries.
>
> Try:
>
> yum search libcgal
> yum search cgal
>
> You probably need the dev package also.
>
> After you:
>
> cd pgrouting
> git checkout trsp   ## switch to trsp branch
> git pull
> cmake -DWITH_TRSP=ON -DWITH_TSP=ON -DWITH_DD=ON .
>
> -Steve
>
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>


-- 
Steve Horn
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