Index: libetpan-0.57/configure.ac
===================================================================
--- libetpan-0.57.orig/configure.ac	2008-10-08 19:54:20.000000000 +0000
+++ libetpan-0.57/configure.ac	2008-11-11 16:34:33.000000000 +0000
@@ -106,6 +106,7 @@
 
 # Check the C compiler.
 AC_PROG_CC
+AC_PROG_CXX
 
 # Compiler flags.
 AC_ARG_ENABLE(debug,   [  --enable-debug          setup flags (gcc) for debugging (default=no)],