configure: remove the C++ compiler check

... we used it only for the fuzzer, which we now have in a separate git
repo.

Closes #1990

diff --git a/configure.ac b/configure.ac
index 8d71bb6fcae06092cdd77f5a66c20eecd96730f5..68b3a071a5393b3bed1171e8ad72c72f62c0c675 100755 (executable)
--- a/configure.ac
+++ b/configure.ac
@@ -124,7 +124,6 @@ AC_SUBST(libext)
 dnl figure out the libcurl version
 CURLVERSION=`$SED -ne 's/^#define LIBCURL_VERSION "\(.*\)".*/\1/p' ${srcdir}/include/curl/curlver.h`
 XC_CHECK_PROG_CC
-AC_PROG_CXX
 XC_AUTOMAKE
 AC_MSG_CHECKING([curl version])
 AC_MSG_RESULT($CURLVERSION)