I have a weird problem with SWI Prolog 6.2.0 and XPCE on Unix.
When I run a prolog program, it works perfectly fine.
swipl -f file.pl
However, whenever I try and compile the same program
swipl -o launch -c file.pl
I get an error telling me that pce library is not available
source_sink `library(pce)' does not exist
I am completely lost as for what could be the reason . . .