command line. This behaviour is how it's documented; it should work
that way. Also fixes building a release tree on a -current system (which
bit me with the sparc secr set I built for pk).
emit a call _cacheflush() to ensure Icache consistency
after writing trampoline code for lexical closures onto the stack
(i.e., into the Dcache).
GCC 2.x (x <= 7.2.2) emits a call cacehflush(), polluting the user
namespace.
support for shared libraries. Diffs from Manuel Bouyer, probably
derived from similar OpenBSD gcc diffs.
This change is in the source tree because it was used to build a NetBSD/pmax
shared-lib snapshot. The change isn't being integrated into the gcc2netbsd
script until the shared-lib diffs are finalized.