pbulk: support Manta uploads for reports.
Default to using the native version of libexecinfo on SunOS.
Finally fix the old ALTERNATIVES bug in gcc47
Ignore libiconv detected, it's not actually used by Dovecot and
pollutes the Dovecot makefiles.
Fix varnish build
Fix build with the perl option by disabling the stack protector.
Add missing patch
Merge branch 'joyent/feature/miscfix/2013Q2' into joyent/release/2013Q2