Re: Xcode 8 - XCODE_VERSION_MAJOR causes compilation issue
Re: Xcode 8 - XCODE_VERSION_MAJOR causes compilation issue
- Subject: Re: Xcode 8 - XCODE_VERSION_MAJOR causes compilation issue
- From: Sasikumar JP <email@hidden>
- Date: Thu, 11 Aug 2016 16:50:49 +0530
David,
Thank for the detail. i have reported the bug(#27801515) for XCODE version
number values.
As you suggested, i have resolved the compilation issue by using
__IPHONE_OS_VERSION_MAX_ALLOWED macro.
Thanks
Sasikumar JP
On 11 August 2016 at 16:33, David Duncan <email@hidden> wrote:
>
> > On Aug 11, 2016, at 12:09 AM, Sasikumar JP <email@hidden> wrote:
> >
> > Hi,
> > Xcode defines following build variables, we can not use them in Xcode 8
> > as the values are invalid octal number.
> >
> > XCODE_VERSION_ACTUAL = 0800
> > XCODE_VERSION_MAJOR = 0800
> > XCODE_VERSION_MINOR = 0800
>
> Sounds like you should write up a bug for this, but I’m not really aware
> of what the use case for comparing the Xcode version would be to be
> honest...
>
> >
> >
> > I am working on iOS project, it should be compilable in both Xcode 7 and
> Xcode 8.
> > I am planning to add the conditional compilation like below
> >
> > preprocessor macro:
> >
> > XCODE_VERS=$(XCODE_VERSION_MAJOR)
> >
> >
> > #if XCODE_VERS > 0700
> >
> > @interface SampleTableCell : UITableViewCell<CAAnimationDelegate>
> >
> > #else
> >
> > @interface SampleTableCell : UITableViewCell
> >
> > #endif
> >
> >
> > But this code throws the compilation error (Invalid digit '8' in octal
> > constant) in Xcode 8, since 0800 is not a valid octal value.
> >
> > Is there any work around other than creating 2 different targets(separate
> > target for Xcode 7 and Xcode 8)
>
> You don’t want the Xcode version here, you want the iOS SDK version, which
> in this case is represented by the conditional "__IPHONE_OS_VERSION_MAX_ALLOWED
> >= __IPHONE_10_0” (MAX_ALLOWED corresponds to the SDK version you link
> against, in this case the iOS 10.0 SDK).
>
> But in the long run building with Xcode 8 (and the iOS 10.0 or later SDK)
> will be a given, so I suspect that most solve this problem by branching for
> that SDK and all the updates that come with it rather than maintaining
> conditionals like this in their code.
> --
> David Duncan
>
>
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