On Thu, Apr 18, 2019 at 11:06 AM Wang YanQing <udknight@xxxxxxxxx> wrote: > > I meet below compile errors: > " > In file included from test_tcpnotify_kern.c:12: > /usr/include/netinet/in.h:101:5: error: expected identifier > IPPROTO_HOPOPTS = 0, /* IPv6 Hop-by-Hop options. */ > ^ > /usr/include/linux/in6.h:131:26: note: expanded from macro 'IPPROTO_HOPOPTS' > ^ > In file included from test_tcpnotify_kern.c:12: > /usr/include/netinet/in.h:103:5: error: expected identifier > IPPROTO_ROUTING = 43, /* IPv6 routing header. */ > ^ > /usr/include/linux/in6.h:132:26: note: expanded from macro 'IPPROTO_ROUTING' > ^ > In file included from test_tcpnotify_kern.c:12: > /usr/include/netinet/in.h:105:5: error: expected identifier > IPPROTO_FRAGMENT = 44, /* IPv6 fragmentation header. */ > ^ > /usr/include/linux/in6.h:133:26: note: expanded from macro 'IPPROTO_FRAGMENT' > " > The same compile errors are reported for test_tcpbpf_kern.c too. > > My environment: > lsb_release -a: > No LSB modules are available. > Distributor ID: Ubuntu > Description: Ubuntu 16.04.6 LTS > Release: 16.04 > Codename: xenial > > dpkg -l | grep libc-dev: > ii libc-dev-bin 2.23-0ubuntu11 amd64 GNU C Library: Development binaries > ii linux-libc-dev:amd64 4.4.0-145.171 amd64 Linux Kernel Headers for development. > > The reason is linux/in6.h and netinet/in.h aren't synchronous about how to > handle the same definitions, IPPROTO_HOPOPTS, etc. > > This patch fixes the compile errors by moving <netinet/in.h> to before the > <linux/*.h>. > > Signed-off-by: Wang YanQing <udknight@xxxxxxxxx> Added 'selftests/bpf' to commit log and pushed.
