Index: branches/releng-9.0/nanobsd/tools/package-build.inc.sh
===================================================================
--- branches/releng-9.0/nanobsd/tools/package-build.inc.sh	(revision 10831)
+++ branches/releng-9.0/nanobsd/tools/package-build.inc.sh	(revision 10833)
@@ -1,2 +1,9 @@
+# Make sure to only load this file ones, even if sourced from multiple
+# locations, preventing weird and wonderfull errors of relative paths.
+if [ -n "$PACKAGE_BUILD_INC_SH" ]; then
+  return
+fi
+PACKAGE_BUILD_INC_SH=true
+
 # Used to store profile data
 TIME_FILE=$(dirname $0)/eta-times.txt