"Moving non-portable functions into AC detection.  Handle !HAVE_LIBDL. Move things from misc.[ch] into jumbo.[ch], and use AC, and non-AC detection logic.
There is still a LOT of functions to do.  Some are still not even in autoconf.ac.  I simply did not want this patch to grow too large.  Better to put it in now, than later.
Also, there were several targets in Makefile.in where -DAC_BUILT was not being set.  Now that we are using more AC logic, we NEED to know that.  There was also a failure on non-standard path for one util, needing openssl cflags