It used to be that using STL headers not in the approved list would fail to
compile. I don't know whether that mechanism is still turned on or works
correctly.
--BDS
On Fri, May 27, 2016 at 8:24 AM, Josh Matthews <j...@joshmatthews.net>
wrote:
> On 2016-05-26 9:50 PM, Nathan Froyd wrote:
>
>> [CC mobile-firefox-dev and dev-fxos for notes below.]
>>
>> Bug 1246743 (Mac libc++ support) and bug 1273934 (Android libc++
>> support for local development builds) have landed on mozilla-central.
>> This change means that all of our Tier-1 platforms now have a
>> more-or-less conformant C++11 standard library. We can therefore
>> begin removing a decent amount of code that we required to support
>> pre-C++11 standard libraries and use standard facilities instead. You
>> are still strongly encouraged to use Gecko-specific data structures
>> (nsTArray ns{C,}String, etc.) in preference to the standard library
>> ones, unless you need to interface with a third-party library.
>>
>> Given the standard library's pervasive use of exceptions, and our
>> aversion to the same, if you are using a standard library header
>> that's not listed here:
>>
>> http://dxr.mozilla.org/mozilla-central/source/config/stl-headers
>>
>> you need to ask for review to get that header added to the list, per
>> policy in that file.
>>
>> This change also means that any non-Tier-1 platforms (FxOS, for
>> instance) that don't provide a C++11 standard library will probably
>> break in very short order as various code is removed from the tree.
>>
>> Developers who work on the C++ side of Firefox for Android are
>> strongly encouraged to upgrade to an r11 NDK; the r10 NDK should work,
>> but test results in the presence of crashes might be slightly wonky.
>>
>> Enjoy!
>> -Nathan
>>
>>
> Do we have any automation that prevents using headers that aren't in the
> list?
>
> Cheers,
> Josh
>
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