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lib/replace: add replacement for IPV6_V6ONLY on linux systems with broken headers

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This is needed on SLES8.

metze
This commit is contained in:
Stefan Metzmacher 2010-04-24 19:02:22 +02:00
parent 051535f196
commit e06cf39502
2 changed files with 51 additions and 0 deletions
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44
lib/replace/libreplace_network.m4
View File

@ -375,6 +375,50 @@ 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([

7
lib/replace/system/network.h
View File

@ -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