+ AS_IF([test "x$with_python3" = "xno" -a "$python3_requested" = "yes"],[
+ AC_MSG_ERROR([Python3 support was explicity requested, but Python3 support
+ was not found. Please correct your build environment and try
+ again])
+ ])
+ AM_CONDITIONAL(BUILD_PYTHON3, [test "$with_python3" = "yes"])