in.h: Coordinate in6_pktinfo and ip6_mtuinfo for kernel and glibc [BZ #15850]

Similarly to what we did for in6_addr, we need a macro
to guard in6_pktinfo and ip6_mtuinfo too.

Cc: Carlos O'Donell <carlos@redhat.com>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>

1 files changed, 4 insertions, 4 deletions

diff --git a/sysdeps/unix/sysv/linux/bits/in.h b/sysdeps/unix/sysv/linux/bits/in.h
index b80a27fa43..b1d2cf60f3 100644
--- a/sysdeps/unix/sysv/linux/bits/in.h
+++ b/sysdeps/unix/sysv/linux/bits/in.h
@@ -23,10 +23,10 @@
 
 /* If the application has already included linux/in6.h from a linux-based
    kernel then we will not define the IPv6 IPPROTO_* defines, in6_addr (nor the
-   defines), sockaddr_in6, or ipv6_mreq.  The ABI used by the linux-kernel and
-   glibc match exactly.  Neither the linux kernel nor glibc should break this
-   ABI without coordination.  */
-#ifdef _UAPI_LINUX_IN6_H
+   defines), sockaddr_in6, or ipv6_mreq. Same for in6_ptkinfo or ip6_mtuinfo
+   in linux/ipv6.h. The ABI used by the linux-kernel and glibc match exactly.
+   Neither the linux kernel nor glibc should break this ABI without coordination.  */
+#if defined _UAPI_LINUX_IN6_H || defined _UAPI_IPV6_H
 /* This is not quite the same API since the kernel always defines s6_addr16 and
    s6_addr32. This is not a violation of POSIX since POSIX says "at least the
    following member" and that holds true.  */