Possible fix for cygwin detection.

diff --git a/configure.in b/configure.in
index 51e7b810a6cef54a0995467f42a20d9a430e6c87..f6c507ed333806606206b36d6d40a6857fa813f2 100644 (file)
--- a/configure.in
+++ b/configure.in
@@ -27,6 +27,7 @@ dnl ## Diversion 5 is the last one.  Here we generate files and clean up.
 dnl Basic autoconf + automake initialization, generation of config.nice.
 dnl -------------------------------------------------------------------------
 
+AC_PREREQ(2.13)
 AC_INIT(README.CVS-RULES)
 
 PHP_CONFIG_NICE(config.nice)