Index: gpsbabel-1.3.6/configure.in
===================================================================
--- gpsbabel-1.3.6.orig/configure.in	2008-10-31 12:43:21.000000000 +0000
+++ gpsbabel-1.3.6/configure.in	2009-06-11 17:15:12.000000000 +0000
@@ -36,7 +36,7 @@
 AC_PROG_INSTALL
 AC_PROG_MAKE_SET
 AC_EXEEXT
-AC_SUBST(AC_EXEEXT)
+AC_SUBST(EXEEXT)
 AC_C_BIGENDIAN
 
 # Checks for libraries.