path="$path:$dir"
done
+ unset dir
# Sanitise path.
path=${path#:}
makepath C_INCLUDE_PATH incdirs
copypath CPLUS_INCLUDE_PATH C_INCLUDE_PATH
makepath LD_LIBRARY_PATH libdirs
-copypath LD_RUN_PATH LD_LIBRARY_PATH
+copypath LD_RUN_PATH PATH
makepath MANPATH mandirs
makepath PKG_CONFIG_PATH pkgdirs
-unset sedscr makepath copypath
+unset dirs copypath makepath newpath