Date: Tue, 30 May 2017 19:54:22 +0200 From: Harry Schmalzbauer <freebsd@omnilan.de> To: "freebsd-net@freebsd.org" <freebsd-net@FreeBSD.org> Subject: tools/netmap/pkt-gen: clang error Message-ID: <592DB1CE.8000801@omnilan.de>
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Hello,
after merging netmap code from head I can't compile pkt-gen from
usr/src/tools/tools/netmap:
cc -O2 -pipe -Werror -Wall -Wextra -march=ivybridge -g -std=gnu99
-fstack-protector-strong -Qunused-arguments -Qunused-arguments
-std=gnu99 -fstack-protector-strong -Qunused-arguments
-Qunused-arguments -c pkt-gen.c -o pkt-gen.o
pkt-gen.c:650:19: error: taking address of packed member 'ip' of class
or structure 'pkt' may result in an unaligned pointer value
[-Werror,-Waddress-of-packed-member]
struct ip *ip = &pkt->ip;
^~~~~~~
pkt-gen.c:651:24: error: taking address of packed member 'udp' of class
or structure 'pkt' may result in an unaligned pointer value
[-Werror,-Waddress-of-packed-member]
struct udphdr *udp = &pkt->udp;
^~~~~~~~
pkt-gen.c:745:8: error: taking address of packed member 'ip' of class or
structure 'pkt' may result in an unaligned pointer value
[-Werror,-Waddress-of-packed-member]
ip = &pkt->ip;
^~~~~~~
pkt-gen.c:762:9: error: taking address of packed member 'udp' of class
or structure 'pkt' may result in an unaligned pointer value
[-Werror,-Waddress-of-packed-member]
udp = &pkt->udp;
Quick hints highly appreciated.
Thanks,
-harry
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