diff options
Diffstat (limited to 'xtrans.m4')
| -rw-r--r-- | xtrans.m4 | 35 |
1 files changed, 35 insertions, 0 deletions
@@ -57,6 +57,41 @@ AC_DEFUN([XTRANS_TCP_FLAGS],[ AC_INCLUDES_DEFAULT #include <sys/socket.h>]) + # XPG4v2/UNIX95 added msg_control - check to see if we need to define + # _XOPEN_SOURCE to get it (such as on Solaris) + AC_CHECK_MEMBER([struct msghdr.msg_control], [], [], + [ +AC_INCLUDES_DEFAULT +#include <sys/socket.h> + ]) + # First try for Solaris in C99 compliant mode, which requires XPG6/UNIX03 + if test "x$ac_cv_member_struct_msghdr_msg_control" = xno; then + unset ac_cv_member_struct_msghdr_msg_control + AC_MSG_NOTICE([trying again with _XOPEN_SOURCE=600]) + AC_CHECK_MEMBER([struct msghdr.msg_control], + [AC_DEFINE([_XOPEN_SOURCE], [600], + [Defined if needed to expose struct msghdr.msg_control]) + ], [], [ +#define _XOPEN_SOURCE 600 +AC_INCLUDES_DEFAULT +#include <sys/socket.h> + ]) + fi + # If that didn't work, fall back to XPG5/UNIX98 with C89 + if test "x$ac_cv_member_struct_msghdr_msg_control" = xno; then + unset ac_cv_member_struct_msghdr_msg_control + AC_MSG_NOTICE([trying again with _XOPEN_SOURCE=500]) + AC_CHECK_MEMBER([struct msghdr.msg_control], + [AC_DEFINE([_XOPEN_SOURCE], [500], + [Defined if needed to expose struct msghdr.msg_control]) + ], [], [ +#define _XOPEN_SOURCE 500 +AC_INCLUDES_DEFAULT +#include <sys/socket.h> + ]) + fi + + ]) # XTRANS_TCP_FLAGS # XTRANS_CONNECTION_FLAGS() |