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Linux ift1.ift-informatik.de 5.4.0-216-generic #236-Ubuntu SMP Fri Apr 11 19:53:21 UTC 2025 x86_64 |
| Current File : /var/www/web-klick.de/dsh/56/core-main/m4/ipv6.m4 |
dnl **
dnl ** IPv6 support
dnl **
AC_DEFUN([DOVECOT_IPV6], [
have_ipv6=no
AC_MSG_CHECKING([for IPv6])
AC_CACHE_VAL(i_cv_type_in6_addr,
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netdb.h>
#include <arpa/inet.h>]],
[[struct in6_addr i; (void)i;]])],
[i_cv_type_in6_addr=yes],
[i_cv_type_in6_addr=no])])
AS_IF([test $i_cv_type_in6_addr = yes], [
AC_DEFINE(HAVE_IPV6,, [Build with IPv6 support])
have_ipv6=yes
], [
AC_MSG_ERROR(cannot build without IPv6 support.)
])
AC_MSG_RESULT($i_cv_type_in6_addr)
])