diff -r ca12939f8b00 -r 4b558ee0d4f5 configure.ac
--- a/configure.ac	Tue Mar 31 16:21:30 2009 +0100
+++ b/configure.ac	Tue Apr 28 13:42:28 2009 +0100
@@ -27,7 +27,7 @@
 dnl Check the existence of long long type.
 AC_CHECK_TYPE(long long, [long_long_found=yes], [long_long_found=no])
 if test x"$long_long_found" = x"yes"; then
-  AC_DEFINE([HAVE_LONG_LONG], [1], [Define to 1 if you have long long.])
+  AC_DEFINE([LEMON_HAVE_LONG_LONG], [1], [Define to 1 if you have long long.])
 fi
 
 dnl Checks for programs.