Make configure tests use C++ instead of C

diff --git a/configure.in b/configure.in
index 42f52641d59027c28fb2853eec568610c0857a18..1a76a5202dfbfe4b1dc320f14d05c280498ad612 100644 (file)
--- a/configure.in
+++ b/configure.in
@@ -26,8 +26,8 @@ fi
 dnl Check for GNU cc
 AC_PROG_CC
 AM_PROG_CC_C_O
-AC_LANG_C
 AC_PROG_CXX
+AC_LANG_CPLUSPLUS
 AC_CANONICAL_HOST
 
 dnl Make location configure settings available to the code