+ # Check that the license of every module is consistent with the license of
+ # its dependencies.
+ saved_modules="$modules"
+ saved_inctests="$inctests"
+ # When computing transitive closures, don't consider $module to depend on
+ # $module-tests. Need this becauses tests are implicitly GPL and may depend
+ # on GPL modules - therefore we don't want a warning in this case.
+ inctests=""
+ for requested_module in $saved_modules; do
+ requested_license=`func_get_license "$requested_module"`
+ if test "$requested_license" != GPL; then
+ # Here we use func_modules_transitive_closure, not just
+ # func_get_dependencies, so that we also detect weird situations like
+ # an LGPL module which depends on a GPLed build tool module which depends
+ # on a GPL module.
+ modules="$requested_module"
+ func_modules_transitive_closure
+ for module in $modules; do
+ license=`func_get_license "$module"`
+ case $license in
+ LGPL | 'GPLed build tool') ;;
+ 'public domain' | 'unlimited' | 'unmodifiable license text') ;;
+ *) echo "warning: module $requested_module depends on a module with an incompatible license: $module" 1>&2 ;;
+ esac
+ done
+ fi
+ done
+ modules="$saved_modules"
+ inctests="$saved_inctests"
+