I am curious to try Logtalk out. I followed the installation instruction and it installed successfully. But when I tried to run it, I get the following:
Code: Select all
$ bplgt B-Prolog Version 7.8#5, All rights reserved, (C) Afany Software 1994-2013. Type 'help' for usage. consulting::/home/day/apps/logtalk/share/logtalk/integration/logtalk_bp.pl Compiling::/home/day/apps/logtalk/share/logtalk/adapters/b.pl compiled in 7 milliseconds loading::/home/day/apps/logtalk/share/logtalk/adapters/b.out Compiling::/home/day/apps/logtalk/share/logtalk/paths/paths.pl compiled in 3 milliseconds loading::/home/day/apps/logtalk/share/logtalk/paths/paths.out Compiling::/home/day/apps/logtalk/share/logtalk/core/core.pl compiled in 440 milliseconds loading::/home/day/apps/logtalk/share/logtalk/core/core.out Compiling::/home/day/.logtalk/scratch/core_messages.pl compiled in 10 milliseconds loading::/home/day/.logtalk/scratch/core_messages.out Compiling::/home/day/.logtalk/scratch/expanding.pl compiled in 0 milliseconds loading::/home/day/.logtalk/scratch/expanding.out Compiling::/home/day/.logtalk/scratch/monitoring.pl compiled in 0 milliseconds loading::/home/day/.logtalk/scratch/monitoring.out Compiling::/home/day/.logtalk/scratch/forwarding.pl compiled in 0 milliseconds loading::/home/day/.logtalk/scratch/forwarding.out Logtalk 3.0.0 Copyright (c) 1998-2013 Paulo Moura % Default lint compilation flags: % unknown_entities: warning, misspelt_calls: warning % portability: silent % missing_directives: warning, redefined_built_ins: silent % singleton_variables: warning, underscore_variables: singletons % Default optional features compiler flags: % complements: deny, dynamic_declarations: deny % context_switching_calls: allow, events: deny % Other default compilation flags: % report: on, scratch_directory: ./.lgt_tmp/ % code_prefix: $, hook: (none defined) % optimize: off, source_data: on, clean: on % debug: off % Back-end Prolog compiler flags: % prolog_compiler:  % prolog_loader:  % Read-only compilation flags (back-end Prolog compiler features): % prolog_dialect: b, modules: unsupported, threads: unsupported % encoding_directive: unsupported, tabling: supported, coinduction: unsupported % * No settings file found or unable to load settings files due to file * system access limitations of the back-end Prolog compiler.