arping needs c99 mode. Adding this to CFLAGS fixes the build on sparc64 (and presumably other base-gcc architectures).
ok? (cc maintainer) --Kurt Index: Makefile =================================================================== RCS file: /cvs/ports/net/arping/Makefile,v retrieving revision 1.50 diff -u -p -r1.50 Makefile --- Makefile 9 Mar 2020 07:58:08 -0000 1.50 +++ Makefile 16 Mar 2020 16:31:46 -0000 @@ -19,6 +19,8 @@ MASTER_SITES = http://www.habets.pp.se/s LIB_DEPENDS = net/libnet/1.1 +CFLAGS += -std=c99 + CONFIGURE_STYLE = gnu CONFIGURE_ENV = CFLAGS="${CFLAGS} -I${LOCALBASE}/include/libnet-1.1 \ `libnet-config-1.1 --defines`" \
