Alex, This is set because of the unfortunate way some version of FindBoost.cmake are written the order it searches for libs can look something like
1. check for libboostfoo-mt.so in $BOOST_ROOT 2. check for libboostfoo-mt.so in /usr/lib/ 3. check for libboostfoo.so in $BOOST_ROOT 4. check for libboostfoo.so in /usr/lib/ A result of this is that if you build without the -mt tag, and you are on a distro that has an older version of boost installed into /usr/lib/ system paths - $BOOST_ROOT will be ignored because it checks all the search directories for each library naming case in an unfortunate order. So building with -mt every time to ensures FindBoost.cmake picks up the right prefixed boost library (if built from source) every time when building other recipes that use boost & cmake. -Tim On 08/01/2013 02:16 PM, Alexandru Csete wrote: > The boost recipe in pybombs builds using the --layout=tagged option > which will generate libraries with the -mt suffix. The 'mt' stands > for multi threaded and is only available for historical reasons,I > suppose. > > Is there any particular reason for using this optionin pybombs? There > are some linux distributions that have abandoned the -mt suffix and > gnuradio builds just fine on those. Ubuntu still uses the -mt suffix > but also creates softlinks without the suffix, so it is safe for an > application to only link to libboost-xyz without the suffix. > > Alex > > _______________________________________________ > Discuss-gnuradio mailing list > Discuss-gnuradio@gnu.org > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio _______________________________________________ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio