diff options
Diffstat (limited to 'acinclude.m4')
| -rw-r--r-- | acinclude.m4 | 33 |
1 files changed, 31 insertions, 2 deletions
diff --git a/acinclude.m4 b/acinclude.m4 index 68ef53e..c52f0e4 100644 --- a/acinclude.m4 +++ b/acinclude.m4 @@ -751,7 +751,7 @@ if test x"$enable_ipv6" = xyes; then AC_MSG_CHECKING(if IPv6 API available) AC_SUBST(INET6) AC_CHECK_FUNC(getaddrinfo, - [enable_ipv6="yes"; AC_DEFINE(INET6)], + [enable_ipv6="yes"], [enable_ipv6="no"]) if test x"$enable_ipv6" = xno; then AC_MSG_CHECKING(for libinet6) @@ -762,13 +762,42 @@ if test x"$enable_ipv6" = xyes; then W3M_LIBS="$W3M_LIBS -L$dir" fi AC_CHECK_LIB(inet6, getaddrinfo, - [enable_ipv6="yes"; AC_DEFINE(INET6) + [enable_ipv6="yes" use_libinet6="found"; W3M_LIBS="$W3M_LIBS -linet6"; break], [use_libinet6="not found"]) fi done AC_MSG_RESULT($use_libinet6) fi + if test x"$enable_ipv6" = xyes; then + AC_SUBST(HAVE_OLD_SS_FAMILY) + AC_MSG_CHECKING(if struct sockaddr_storage has an ss_family member) + AC_TRY_COMPILE([ +#include <sys/types.h> +#include <sys/socket.h> + ], [ + struct sockaddr_storage ss; + int i = ss.ss_family; + ], + [AC_MSG_RESULT(yes)], + [AC_TRY_COMPILE([ +#include <sys/types.h> +#include <sys/socket.h> + ], + [ + struct sockaddr_storage ss; + int i = ss.__ss_family; + ], + [AC_MSG_RESULT(no, but __ss_family exists) + AC_DEFINE(HAVE_OLD_SS_FAMILY)], + [AC_MSG_RESULT(no) + AC_MSG_WARN(IPv6 support is disabled) + enable_ipv6="no"]) + ]) + fi + if test x"$enable_ipv6" = xyes; then + AC_DEFINE(INET6) + fi fi]) # # ---------------------------------------------------------------- |