${BMAKE} show-subdir-var VARNAME=SUBDIR
instead of just grepping through the makefiles. This seems
to be a litle more robust. Suggested by Joerg Sonnenberger.
- completely redo the code which decides on the machine architecture,
operating system, and operating system version for the binary packages.
The old way just used to directory names to take a guess. The new
way creates a cache file containing meta-data for all the binary packages
in each "All" directory. This cache file is consulted when generating
the lists of available binary packages. The meta-data is obtained with
pkg_info so it should always be correct even if you do something silly
like mix OS_VERSION or MACHINE_ARCH packages up in the same directory.
Among the benefits are: works when PACKAGES is not $PKGSRC/packages,
works with a more or less arbitrary subdirectory structure, works
when there are subdirectories for multiple operating systems.
This portion of the fix should address PR25390.
The cache files are only updated when the contents of an "All" directory
changes or if the cache file format changes. There is some room for
improving the updating of the cache files, but its not too bad the way
it is.
- fix up some of the awk code so that generadme.awk works with Solaris
nawk as well as NetBSD's nawk and gawk (for pre-2.0 systems).
- remove some "if ! foo" shell constructs to increase portability.
- be more consistent with what variables get passed to mkreadme from
make and which ones are determined automatically. Mostly this meant
moving stuff into mkreadme to make it easier to run it standalone.
