-EXTRA_DIST= strftime.c strftime.h rrd_getopt.c rrd_getopt1.c rrd_getopt.h \
- win32comp.c rrd_thread_safe_nt.c get_ver.awk librrd.sym
+EXTRA_DIST= librrd.pc.in strftime.c strftime.h rrd_getopt.c rrd_getopt1.c rrd_getopt.h \
+ win32comp.c rrd_thread_safe_nt.c get_ver.awk librrd.sym.in.in plbasename.c plbasename.h
+
+
+librrd.sym: librrd.sym.in
+ $(AM_V_GEN)grep -v LIBC_HAS_GETOPT_LONG librrd.sym.in >$@