-chmod(0666,"../lib/CORE/config.h");
-copy("$file.new","../lib/CORE/config.h") || die "Cannot copy:$!";
-chmod(0444,"../lib/CORE/config.h");
+chmod(0666,"$opt{CORE_DIR}/$opt{CONFIG_H}");
+copy("$file.new","$opt{CORE_DIR}/$opt{CONFIG_H}") || die "Cannot copy:$!";
+chmod(0444,"$opt{CORE_DIR}/$opt{CONFIG_H}");