[Interest] iOS release build uncount issues - implicit conversion loses integer precision

[ekke]

with a little help from Jake Petroules:

here's HowTo avoid all these warnings.
Add into .pro

iOS {
    ...
    disable_warning.name = GCC_WARN_64_TO_32_BIT_CONVERSION
    disable_warning.value = No
    QMAKE_MAC_XCODE_SETTINGS += disable_warning

ekke

Am 20.06.17 um 11:52 schrieb ekke:
> if I open the generated Xcode project
> and go to 'Build Settings'
> search for 'conversion'
> and set
>
> * implicite Conversion for 32 Bit Type
> **** Release
> ******** 64 architecture --> false
>
> and do a Product -> Archive then the warnings are gone :)
>
> unfortunately after doing another build in QtCreator, the value was set
> back to true
>
> I want to open a Bug Report
> is this a QtCreator Bug ?
>
> thx
>
> ekke
>
> Am 19.06.17 um 17:46 schrieb ekke:
>> Am 19.06.17 um 17:37 schrieb Thiago Macieira:
>>> On Monday, 19 June 2017 07:28:38 PDT ekke wrote:
>>>> Am 19.06.17 um 16:09 schrieb Kristoffersen, Even (NO14):
>>>>> On 64 bit systems that piece of code does pointer1 – pointer2, which
>>>>> would be a 64 bit value, then implicitly doing a narrowing cast since
>>>>> the function returns an int (32 bit value on your arch).
>>>> never happened with Xcode 8.2
>>> If this warning is new in 8.3, then it'll get quickly fixed in Qt's headers and 
>>> the next release should have the necessary code to disable or suppress it.
>>>
>> yes never happened before for me
>>
>> (OSX 10.11.6, Qt 5.8 with Xcode 8.2 on iOS devices running 10.2.1,
>>
>> now macOS 10.12.5, Qt 5.9 with Xcode 8.3.3, iOS devices running 10.3.2)
>>
>>
>> Installed fresh Qt 5.9 together with Creator 4.3, moved my projects,
>> selected Kits
>>
>> Debug build runs fine
>>
>> Release build gives me nearly 3k issues
>>
>> will open a bugreport. Is this a QtCreator bug or a Qt bug ?
>>
>> thx
>>
>> ekke
>>
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