configure.ac: Error out if with-file-notification=w32 is specified on Cygwin

Fixes: 19909
Copyright-paperwork-exempt: yes

diff --git a/ChangeLog b/ChangeLog
index 0bfdfbbd8b94be7360a9ea2b7c7478ec94cf7789..5e5c922fd450e71fdfb7e2cb90f71783ef051ac5 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2015-03-02  Robert Pluim  <rpluim@gmail.com>  (tiny change)
+
+       * configure.ac: Error out if with-file-notification=w32 is
+       specified on Cygwin.  (Bug#19909)
+
 2015-02-27  Paul Eggert  <eggert@cs.ucla.edu>
 
        Don't require GNU putenv

diff --git a/configure.ac b/configure.ac
index e7408f11ed4d4b3fd206568219e7613034d04a56..d65494ac675d0c9e9aea4706923ac92a0449c86c 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -2664,6 +2664,11 @@ fi
 
 dnl MS Windows native file monitor is available for mingw32 only.
 case $with_file_notification,$opsys in
+  w32,cygwin)
+    AC_MSG_ERROR([`--with-file-notification=w32' was specified, but
+    this is only supported on MS-Windows native and MinGW32 builds.
+    Consider using gfile instead.])
+    ;;
   w32,* | yes,mingw32)
     AC_CHECK_HEADER(windows.h)
     if test "$ac_cv_header_windows_h" = yes ; then