diff options
Diffstat (limited to 'm4/sockpfaf.m4')
| -rw-r--r-- | m4/sockpfaf.m4 | 28 |
1 files changed, 27 insertions, 1 deletions
diff --git a/m4/sockpfaf.m4 b/m4/sockpfaf.m4 index 27899aa59..c38daea5b 100644 --- a/m4/sockpfaf.m4 +++ b/m4/sockpfaf.m4 @@ -1,4 +1,4 @@ -# sockpfaf.m4 serial 7 +# sockpfaf.m4 serial 8 dnl Copyright (C) 2004, 2006, 2009-2011 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -59,3 +59,29 @@ AC_DEFUN([gl_SOCKET_FAMILIES], AC_DEFINE([HAVE_IPV6], [1], [Define to 1 if <sys/socket.h> defines AF_INET6.]) fi ]) + +AC_DEFUN([gl_SOCKET_FAMILY_UNIX], +[ + AC_REQUIRE([gl_HEADER_SYS_SOCKET]) + AC_CHECK_HEADERS_ONCE([sys/un.h]) + + AC_MSG_CHECKING([for UNIX domain sockets]) + AC_CACHE_VAL([gl_cv_socket_unix], + [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h> +#ifdef HAVE_SYS_SOCKET_H +#include <sys/socket.h> +#endif +#ifdef HAVE_SYS_UN_H +#include <sys/un.h> +#endif +#ifdef HAVE_WINSOCK2_H +#include <winsock2.h> +#endif]], +[[int x = AF_UNIX; struct sockaddr_un y; + if (&x && &y) return 0;]])], + gl_cv_socket_unix=yes, gl_cv_socket_unix=no)]) + AC_MSG_RESULT([$gl_cv_socket_unix]) + if test $gl_cv_socket_unix = yes; then + AC_DEFINE([HAVE_UNIXSOCKET], [1], [Define to 1 if <sys/socket.h> defines AF_UNIX.]) + fi +]) |