- Fix PATCH_SITES, and update to version 3 of Kloeckner's arscnd patch.
- Fix patch.tar.gz being unpacked into the wrong directory.
- Respect AR, RANLIB, LD, LDFLAGS, etc. in ARmake.inc.
- Fix install of arpack.h.
- Fix broken sparc64 build.
- Add tests.
- Various other cleanups.
Submitted by: bf
Approved by: maho (mentor, implicit)