On 09/16/2016 11:08 AM, William Roberts wrote:
> On Fri, Sep 16, 2016 at 7:41 AM, Stephen Smalley <s...@tycho.nsa.gov> wrote:
>> On 09/16/2016 09:08 AM, Janis Danisevskis wrote:
>>> This patch reestablishes the default behavior of sefcontext_compile
>>> to include precompiled regular expressions in the output. If linked
>>> against PCRE2 the flag "-r" now causes the precompiled regular
>>> expressions to be omitted from the output.
>> I thought your original rationale was more compelling.  If we add
>> detection of the relevant arch properties, then we can do this.
>> Otherwise, I don't think we should.
> I was assuming based on the thread earlier that those patches would be coming.
> If we cant detect and compile on the current "undefined behavior"
> case, then this
> needs to stay as is.
> But I thought someone had a list of PCRE things that can be checked for 
> "arch",
> so its just a matter of encoding those, assuming that list is correct.
> Binary file_contexts only make sense if you compile in the regex info, else
> just use the textual representation.

That was my thought originally, but Janis did say that it was still
faster, and Android presently only ships file_contexts.bin, so we can't
just break that.

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