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SubjectRe: [PATCH v2] fix compile errors due to unsync linux/in6.h and netinet/in.h
On Thu, Apr 18, 2019 at 11:06 AM Wang YanQing <udknight@gmail.com> 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@gmail.com>

Added 'selftests/bpf' to commit log and pushed.

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