[beast/win32] Applied 002_poll_constants.diff: there is no poll() on windows.

[Stefan Westerfeld <stw src gnome org>]

commit c98129ce915d89320cad04961d760d92105bfa8b
Author: Stefan Westerfeld <stefan space twc de>
Date:   Thu Aug 27 08:44:10 2009 +0200

    Applied 002_poll_constants.diff: there is no poll() on windows.
    
    Since there is no poll(), the poll() related constants POLLIN, ..., do not
    exist either.

 birnet/configure.inc |   40 +++++++++++++++++++++-------------------
 1 files changed, 21 insertions(+), 19 deletions(-)
---
diff --git a/birnet/configure.inc b/birnet/configure.inc
index 6aa3640..2e17f20 100644
--- a/birnet/configure.inc
+++ b/birnet/configure.inc
@@ -42,25 +42,6 @@ AC_DEFUN([AC_BIRNET_REQUIREMENTS],
     BIRNET_SIZEOF_LONG="$glib_cv_sizeof_birnet_long"
     AC_SUBST(BIRNET_SIZEOF_LONG) dnl # for birnetconfig.h
 
-    dnl # --- POLL* ---
-    poll_headers=["
-      #define _GNU_SOURCE
-      #include <sys/types.h>
-      #include <sys/poll.h>
-    "]
-    AC_MSG_CHECKING([for POLL constants])
-    BIRNET_SUBST_COMPUTED_SYSVAL([POLLIN],     $poll_headers)
-    BIRNET_SUBST_COMPUTED_SYSVAL([POLLPRI],    $poll_headers)
-    BIRNET_SUBST_COMPUTED_SYSVAL([POLLOUT],    $poll_headers)
-    BIRNET_SUBST_COMPUTED_SYSVAL([POLLRDNORM], $poll_headers) # needs _GNU_SOURCE on linux
-    BIRNET_SUBST_COMPUTED_SYSVAL([POLLRDBAND], $poll_headers) # needs _GNU_SOURCE on linux
-    BIRNET_SUBST_COMPUTED_SYSVAL([POLLWRNORM], $poll_headers) # needs _GNU_SOURCE on linux
-    BIRNET_SUBST_COMPUTED_SYSVAL([POLLWRBAND], $poll_headers) # needs _GNU_SOURCE on linux
-    BIRNET_SUBST_COMPUTED_SYSVAL([POLLERR],    $poll_headers)
-    BIRNET_SUBST_COMPUTED_SYSVAL([POLLHUP],    $poll_headers)
-    BIRNET_SUBST_COMPUTED_SYSVAL([POLLNVAL],   $poll_headers)
-    AC_MSG_RESULT([done])
-
     dnl # --- OS/Win32 detection ---
     dnl # needs AC_CANONICAL_HOST
     test -z "$host" && {
@@ -83,6 +64,27 @@ AC_DEFUN([AC_BIRNET_REQUIREMENTS],
     AC_SUBST(BIRNET_OS_CHOICES)
     AC_DEFINE_UNQUOTED(BIRNET_OS_$BIRNET_OS, "1", [Win32 detection])
 
+    if test "$BIRNET_OS" != "WIN32"; then
+      dnl # --- POLL* ---
+      poll_headers=["
+	#define _GNU_SOURCE
+	#include <sys/types.h>
+	#include <sys/poll.h>
+      "]
+      AC_MSG_CHECKING([for POLL constants])
+      BIRNET_SUBST_COMPUTED_SYSVAL([POLLIN],     $poll_headers)
+      BIRNET_SUBST_COMPUTED_SYSVAL([POLLPRI],    $poll_headers)
+      BIRNET_SUBST_COMPUTED_SYSVAL([POLLOUT],    $poll_headers)
+      BIRNET_SUBST_COMPUTED_SYSVAL([POLLRDNORM], $poll_headers) # needs _GNU_SOURCE on linux
+      BIRNET_SUBST_COMPUTED_SYSVAL([POLLRDBAND], $poll_headers) # needs _GNU_SOURCE on linux
+      BIRNET_SUBST_COMPUTED_SYSVAL([POLLWRNORM], $poll_headers) # needs _GNU_SOURCE on linux
+      BIRNET_SUBST_COMPUTED_SYSVAL([POLLWRBAND], $poll_headers) # needs _GNU_SOURCE on linux
+      BIRNET_SUBST_COMPUTED_SYSVAL([POLLERR],    $poll_headers)
+      BIRNET_SUBST_COMPUTED_SYSVAL([POLLHUP],    $poll_headers)
+      BIRNET_SUBST_COMPUTED_SYSVAL([POLLNVAL],   $poll_headers)
+      AC_MSG_RESULT([done])
+    fi
+
     dnl # --- sizeof threading structs ---
     GLIB_SIZEOF([#include <pthread.h>], pthread_mutex_t, pth_mutex_t)
     BIRNET_SIZEOF_PTH_MUTEX_T="$glib_cv_sizeof_pth_mutex_t"