Fix configure messages when C++20 is not available

This commit is contained in:
William S Fulton 2022-07-31 00:42:08 +01:00
commit c1bfda210f

View file

@ -315,6 +315,8 @@ if test x"$enable_cpp11_testing" = xyes; then
HAVE_CXX14="1"
HAVE_CXX11="1"
else
AC_MSG_RESULT([no])
# Test for c++17
CXXCPP=" "
AX_CXX_COMPILE_STDCXX(17, [noext], [optional])