* win/configure: Regen.

	* win/configure.in: Check for define of
	MWMO_ALERTABLE in winuser.h.
	* win/tclWinPort.h: If MWMO_ALERTABLE
	is not defined in winuser.h then define it.
	This is needed for Mingw.

3 files changed, 92 insertions, 2 deletions

diff --git a/win/configure b/win/configure
index b8f441a..80fb8e6 100755
--- a/win/configure
+++ b/win/configure
@@ -2869,6 +2869,68 @@ _ACEOF
 
 fi
 
+# See if MWMO_ALERTABLE is missing from winuser.h
+# This is known to be a problem with Mingw.
+
+echo "$as_me:$LINENO: checking for MWMO_ALERTABLE in winuser.h" >&5
+echo $ECHO_N "checking for MWMO_ALERTABLE in winuser.h... $ECHO_C" >&6
+if test "${tcl_cv_mwmo_alertable+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+#line $LINENO "configure"
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+#define WIN32_LEAN_AND_MEAN
+#include <windows.h>
+#undef WIN32_LEAN_AND_MEAN
+
+int
+main ()
+{
+
+  int i = MWMO_ALERTABLE;
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+         { ac_try='test -s conftest.$ac_objext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  tcl_cv_mwmo_alertable=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+tcl_cv_mwmo_alertable=no
+fi
+rm -f conftest.$ac_objext conftest.$ac_ext
+
+fi
+echo "$as_me:$LINENO: result: $tcl_cv_mwmo_alertable" >&5
+echo "${ECHO_T}$tcl_cv_mwmo_alertable" >&6
+if test "$tcl_cv_mwmo_alertable" = "no"; then
+
+cat >>confdefs.h <<\_ACEOF
+#define HAVE_NO_MWMO_ALERTABLE 1
+_ACEOF
+
+fi
+
 #--------------------------------------------------------------------
 # Determines the correct binary file extension (.o, .obj, .exe etc.)
 #--------------------------------------------------------------------
diff --git a/win/configure.in b/win/configure.in
index 170672d..8f8b064 100644
--- a/win/configure.in
+++ b/win/configure.in
@@ -3,7 +3,7 @@
 # generate the file "configure", which is run during Tcl installation
 # to configure the system for the local environment.
 #
-# RCS: @(#) $Id: configure.in,v 1.77 2004/03/02 00:42:51 hobbs Exp $
+# RCS: @(#) $Id: configure.in,v 1.78 2004/03/05 21:27:46 mdejong Exp $
 
 AC_INIT(../generic/tcl.h)
 AC_PREREQ(2.57)
@@ -287,6 +287,27 @@ if test "$tcl_cv_findex_enums" = "no"; then
             [Defined when enums are missing from winbase.h])
 fi
 
+# See if MWMO_ALERTABLE is missing from winuser.h
+# This is known to be a problem with Mingw.
+
+AC_CACHE_CHECK(for MWMO_ALERTABLE in winuser.h,
+    tcl_cv_mwmo_alertable,
+AC_TRY_COMPILE([
+#define WIN32_LEAN_AND_MEAN
+#include <windows.h>
+#undef WIN32_LEAN_AND_MEAN
+],
+[
+  int i = MWMO_ALERTABLE;
+],
+        tcl_cv_mwmo_alertable=yes,
+        tcl_cv_mwmo_alertable=no)
+)
+if test "$tcl_cv_mwmo_alertable" = "no"; then
+    AC_DEFINE(HAVE_NO_MWMO_ALERTABLE, 1,
+            [Defined when MWMO_ALERTABLE is missing from winuser.h])
+fi
+
 #--------------------------------------------------------------------
 # Determines the correct binary file extension (.o, .obj, .exe etc.)
 #--------------------------------------------------------------------
diff --git a/win/tclWinPort.h b/win/tclWinPort.h
index 1848e03..dd36806 100644
--- a/win/tclWinPort.h
+++ b/win/tclWinPort.h
@@ -10,7 +10,7 @@
  * See the file "license.terms" for information on usage and redistribution
  * of this file, and for a DISCLAIMER OF ALL WARRANTIES.
  *
- * RCS: @(#) $Id: tclWinPort.h,v 1.38 2003/08/27 21:52:41 davygrvy Exp $
+ * RCS: @(#) $Id: tclWinPort.h,v 1.39 2004/03/05 21:27:46 mdejong Exp $
  */
 
 #ifndef _TCLWINPORT
@@ -446,6 +446,13 @@
 #endif
 
 /*
+ * Older version of Mingw are known to lack a MWMO_ALERTABLE define.
+ */
+#if defined(HAVE_NO_MWMO_ALERTABLE)
+#   define MWMO_ALERTABLE 2
+#endif
+
+/*
  * The following defines wrap the system memory allocation routines for
  * use by tclAlloc.c.
  */