RFR: Allow using a system installed libpng

[David Holmes]

On 4/02/2014 7:51 AM, Magnus Ihse Bursie wrote:
>
> On 2014-02-03 21:44, Omair Majid wrote:
>> Whoops. Updated webrevs:
>> root: http://cr.openjdk.java.net/~omajid/webrevs/system-libpng/02/
>> jdk: http://cr.openjdk.java.net/~omajid/webrevs/system-libpng/02-jdk/
>>
>>> Due to this, I'd like to ask you to please double check that
>>> --with-libpng=system | bundled | invalid-value | <empty>, and no
>>> flag at all, all work as expected.
>> I re-ran all these 4 options. system builds with system, bundled and
>> <empty> build a bundled copy and invalid-value fails during configure.
> Great, thank you. The fix looks good.

Looks good to me too from a build perspective. Have no idea whether 
there may be any issues actually trying to use the system version of 
libpng. Someone from AWT also needs to sign-off.

David

> /Magnus