diff options
author | Stefan Metzmacher <metze@samba.org> | 2010-04-24 19:02:22 +0200 |
---|---|---|
committer | Karolin Seeger <kseeger@samba.org> | 2010-05-17 09:50:19 +0200 |
commit | 1f0f830dce26e31232c9d2abb08ceb743e914251 (patch) | |
tree | 02a8e2ae724ead3223e9e7967c5e03eecc1da031 | |
parent | fa773cde00d0bf24f78fee1ffc508b0f7c81bbd9 (diff) | |
download | samba-1f0f830dce26e31232c9d2abb08ceb743e914251.tar.gz |
lib/replace: add replacement for IPV6_V6ONLY on linux systems with broken headers
This is needed on SLES8. See bug 7196.
metze
(cherry picked from commit e06cf3950252a46486aa046a4552ed6ebff175b3)
Signed-off-by: Stefan Metzmacher <metze@samba.org>
(cherry picked from commit 15b509b4b03a2c19caf4abfe475666f0720b4441)
-rw-r--r-- | lib/replace/libreplace_network.m4 | 44 | ||||
-rw-r--r-- | lib/replace/system/network.h | 7 |
2 files changed, 51 insertions, 0 deletions
diff --git a/lib/replace/libreplace_network.m4 b/lib/replace/libreplace_network.m4 index b7d15eaddbd..6554a59d386 100644 --- a/lib/replace/libreplace_network.m4 +++ b/lib/replace/libreplace_network.m4 @@ -350,6 +350,50 @@ if test x"$libreplace_cv_HAVE_IFACE_IFREQ" = x"yes"; then fi fi +dnl Some old Linux systems have broken header files and +dnl miss the IPV6_V6ONLY define in netinet/in.h, +dnl but have it in linux/in6.h. +dnl We can't include both files so we just check if the value +dnl if defined and do the replacement in system/network.h +AC_CACHE_CHECK([for IPV6_V6ONLY support],libreplace_cv_HAVE_IPV6_V6ONLY,[ + AC_TRY_COMPILE([ +#include <stdlib.h> /* for NULL */ +#include <sys/socket.h> +#include <sys/types.h> +#include <netdb.h> +#include <netinet/in.h> + ], + [ +#ifndef IPV6_V6ONLY +#error no IPV6_V6ONLY +#endif + ],[ + libreplace_cv_HAVE_IPV6_V6ONLY=yes + ],[ + libreplace_cv_HAVE_IPV6_V6ONLY=no + ]) +]) +if test x"$libreplace_cv_HAVE_IPV6_V6ONLY" != x"yes"; then + dnl test for IPV6_V6ONLY + AC_CACHE_CHECK([for IPV6_V6ONLY in linux/in6.h],libreplace_cv_HAVE_LINUX_IPV6_V6ONLY_26,[ + AC_TRY_COMPILE([ + #include <linux/in6.h> + ], + [ + #if (IPV6_V6ONLY != 26) + #error no linux IPV6_V6ONLY + #endif + ],[ + libreplace_cv_HAVE_LINUX_IPV6_V6ONLY_26=yes + ],[ + libreplace_cv_HAVE_LINUX_IPV6_V6ONLY_26=no + ]) + ]) + if test x"$libreplace_cv_HAVE_LINUX_IPV6_V6ONLY_26" = x"yes"; then + AC_DEFINE(HAVE_LINUX_IPV6_V6ONLY_26,1,[Whether the system has IPV6_V6ONLY in linux/in6.h]) + fi +fi + dnl test for ipv6 AC_CACHE_CHECK([for ipv6 support],libreplace_cv_HAVE_IPV6,[ AC_TRY_LINK([ diff --git a/lib/replace/system/network.h b/lib/replace/system/network.h index 1f510350bd9..93d533c9b97 100644 --- a/lib/replace/system/network.h +++ b/lib/replace/system/network.h @@ -360,6 +360,13 @@ struct addrinfo { #define ifr_netmask ifr_addr #endif +/* Some old Linux systems have broken header files */ +#ifdef HAVE_IPV6 +#ifdef HAVE_LINUX_IPV6_V6ONLY_26 +#define IPV6_V6ONLY 26 +#endif /* HAVE_LINUX_IPV6_V6ONLY_26 */ +#endif /* HAVE_IPV6 */ + #ifdef SOCKET_WRAPPER #ifndef SOCKET_WRAPPER_DISABLE #ifndef SOCKET_WRAPPER_NOT_REPLACE |