Make c++ code buildable.

diff --git a/configure.ac b/configure.ac
index 28fe204e55aa3a8c0e803123ca462501ff222b4a..86f5bcbe1fa7489ae8aa5d19b4852f8f2b581faf 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -3,6 +3,7 @@ AC_PREREQ([2.59])
 AM_INIT_AUTOMAKE([1.10 -Wall no-define])
 AC_CONFIG_HEADERS([config.h])
 AC_PROG_CC
+AC_PROG_CXX
 AM_PROG_CC_C_O
 AC_CONFIG_FILES([Makefile])
 AC_OUTPUT