[Interest] iOS libpng conflicts with another lib

[maitai]

Yes I know, but if I use jpeg2000 i will have another conflict for sure 
since I do use jpeg2000 lib (and jasper) to decode gribs in my app. I 
agree Webp is another possibility, since it is also supported by gdal, I 
might gice it a try, thanks.

Le 07-02-2018 13:56, Konstantin Tokarev a écrit :
> 07.02.2018, 15:46, "maitai" <maitai at virtual-winds.org>:
>> Thanks Konstantin for the good advices, I'll keep that in mind if
>> finally I decide to give it a try. For the time being I managed to 
>> cheat
>> by using a tif instead of a png, just for iOS.
> 
> That's not the best format. Try jpeg2k or webp instead (plugins "webp"
> and "macjp2" in qtimageformats module)
> 
>> 
>> Thanks again
>> Philippe.
>> 
>> Le 07-02-2018 13:12, Konstantin Tokarev a écrit :
>>>  07.02.2018, 09:44, "maitai" <maitai at virtual-winds.org>:
>>>>  Thanks you for your replies
>>>> 
>>>>  I will decide to compile qt on iOS when I will be retired and 
>>>> nothing
>>>>  else to do, too much a pain with lipo and all ;)
>>> 
>>>  lipo is not hard to use at all, however there should be no need to 
>>> use
>>>  it when building Qt.
>>> 
>>>  Fo example, configure line [1] initiates build for 4 architectures
>>>  (-arch armv7 -arch arm64 -arch i386 -arch x86_64)
>>> 
>>>  See build log [2] for example (this is build configuration used for
>>>  official
>>>  iOS packages).
>>> 
>>>  All you need to change is to add -I and -L options to configure to
>>>  specify
>>>  location of libpng headers and library. Make sure that configure
>>>  summary
>>>  states "Using system libpng .... yes".
>>> 
>>>  [1] configure -xplatform macx-ios-clang -no-sql-mysql -no-sql-psql
>>>  -plugin-sql-sqlite -opensource -confirm-license -nomake tests 
>>> -verbose
>>>  -prefix /Users/qt/work/install -debug-and-release -static -no-icu
>>>  -nomake examples
>>> 
>>>  [2]
>>>  https://testresults.qt.io/coin/api/results/qt/qtbase/1860a91eeb370b10677cb1813752739361011015/MacOSMacOS_10_12x86_64IOSIOS_ANYmultiClangqtci-macos-10.12-x86_64-8-9dffb3DebugAndRelease_DisableTests_Static/2a48a3b7dcb9652b1532a3ad14de7580b5b9b1ee/build_1517672826/log.txt.gz
>> 
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