On 6/8/2014 12:29 PM, Bryan Drewery wrote: > Author: bdrewery > Date: Sun Jun 8 17:29:31 2014 > New Revision: 267233 > URL: http://svnweb.freebsd.org/changeset/base/267233 > > Log: > In preparation for ASLR [1] support add WITH_PIE to support building with > -fPIE. > > This is currently an opt-in build flag. Once ASLR support is ready and > stable > it should changed to opt-out and be enabled by default along with ASLR. > > Each application Makefile uses opt-out to ensure that ASLR will be enabled > by > default in new directories when the system is compiled with PIE/ASLR. [2] > > Mark known build failures as NO_PIE for now. > > The only known runtime failure was rtld. > > [1] http://www.bsdcan.org/2014/schedule/events/452.en.html > Submitted by: Shawn Webb <latt...@gmail.com> > Discussed between: des@ and Shawn Webb [2] > ... > > Modified: head/share/mk/bsd.opts.mk > ============================================================================== > --- head/share/mk/bsd.opts.mk Sun Jun 8 15:38:40 2014 (r267232) > +++ head/share/mk/bsd.opts.mk Sun Jun 8 17:29:31 2014 (r267233) > @@ -68,7 +68,8 @@ __DEFAULT_YES_OPTIONS = \ > __DEFAULT_NO_OPTIONS = \ > CTF \ > DEBUG_FILES \ > - INSTALL_AS_USER > + INSTALL_AS_USER \ > + PIE > > .include <bsd.mkopt.mk> >
In case you missed it. This commit is a NOP. By default PIE is not used. -- Regards, Bryan Drewery
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