diff --git a/SWIG/configure.in b/SWIG/configure.in
index a707d26c5..c4038f590 100644
--- a/SWIG/configure.in
+++ b/SWIG/configure.in
@@ -2,7 +2,7 @@ dnl Process this file with autoconf to produce a configure script.
 dnl The macros which aren't shipped with the autotools are stored in the 
 dnl Tools/config directory in .m4 files.
 
-AC_INIT([swig],[1.3.29],[http://www.swig.org])
+AC_INIT([swig],[1.3.30],[http://www.swig.org])
 AC_PREREQ(2.58)
 AC_CONFIG_SRCDIR([Source/Swig/swig.h])
 AC_CONFIG_AUX_DIR([Tools/config])
@@ -1373,15 +1373,16 @@ fi
 AC_ARG_WITH(chickencsc,[  --with-chickencsc=path  Set location of csc executable],[ CHICKEN_CSC="$withval"], [CHICKEN_CSC=])
 
 if test -z "$CHICKEN_CSC"; then
-  AC_CHECK_PROGS(TEMP_CSC, csc)
-  # Both mono (C#) and chicken have an executable called csc, so check that this csc is really the chicken one
-  AC_MSG_CHECKING(if csc is the chicken compiler)
-  VER_OUTPUT=`$TEMP_CSC -version | grep chicken`
-  if test -n "$VER_OUTPUT"; then
-    CHICKEN_CSC="$TEMP_CSC"
-    AC_MSG_RESULT(yes)
-  else
-    AC_MSG_RESULT(no)
+  AC_CHECK_PROGS(CHICKEN_CSC, csc)
+  # Both the Microsoft C# compiler and chicken have an executable called csc, so check that this csc is really the chicken one
+  if test -n "$CHICKEN_CSC" ; then
+    AC_MSG_CHECKING(whether csc is the chicken compiler)
+    $CHICKEN_CSC -version 2>/dev/null | grep "chicken" > /dev/null || CHICKEN_CSC=""
+    if test -z "$CHICKEN_CSC"; then
+      AC_MSG_RESULT(no)
+    else
+      AC_MSG_RESULT(yes)
+    fi
   fi
 fi