[swift-dev] Developing Swift in Xcode

[Ryan Lovelett]

On Mon, Mar 14, 2016, at 04:54 PM, Ben Langmuir via swift-dev wrote:
> 
> > On Mar 14, 2016, at 1:51 PM, Kenny Leung via swift-dev <swift-dev at swift.org> wrote:
> > 
> > Hi Ben.
> > 
> > Argghh!
> > 
> > Question: why generate Xcode project files that don’t build?
> 
> Historically the project generated by -X had many fewer schemes and was
> much faster to open in the editor if you didn’t actually need to build
> (because you were building with ninja for example).  I don’t know if
> that’s still relevant or not.

For me the confusion comes from the phrasing of the text in the
"Developing Swift in Xcode" [1] part of the README. It says:

> you can set up an IDE-only Xcode environment using the build-script's -X flag

Perhaps rather than IDE it should say text-editor or something to that
effect. Whenever I hear or read IDE I kind of expect an integrated text
and compiler integration. Though maybe that's just me.

[1] https://github.com/apple/swift#developing-swift-in-xcode

> 
> > 
> > Genuinely puzzled.
> > 
> > -Kenny
> > 
> > 
> >> On Mar 14, 2016, at 12:55 PM, Ben Langmuir via swift-dev <swift-dev at swift.org> wrote:
> >> 
> >>> 
> >>> On Mar 14, 2016, at 11:29 AM, Ryan Lovelett via swift-dev <swift-dev at swift.org> wrote:
> >>> 
> >>> On Mon, Mar 14, 2016, at 02:07 PM, Kenny Leung via swift-dev wrote:
> >>>> Hi All.
> >>>> 
> >>>> With your indulgence, I’m looking for some newbie help here. I’ve gone
> >>>> through the steps in the Swift project README, and generated an Xcode
> >>>> project.
> >>>> 
> >>>> Are there any pointers to where to go next in the modify-compile-test
> >>>> cycle? There are a zillion targets in the project, and none of them seem
> >>>> to build.
> >>> 
> >>> This is my experience too. Just to add some more data points I did this:
> >>> 
> >>> $ utils/update-checkout
> >>> $ utils/build-script -t
> >>> $ utils/build-script -X --skip-build -- —reconfigure
> >> 
> >> See the documentation in `build-script -help` the capital -X option is designed to not be able to build.  You want the lowercase -x option.
> >> 
> >>> $ cd ~/Source/build/Xcode-DebugAssert/swift-macosx-x86_64
> >>> $ open Swift.xcodeproj
> >>> 
> >>> Using the "ALL_BUILD" target in Xcode I attempted to build and was
> >>> greeted with the following error:
> >>> 
> >>> echo This\ Xcode\ project\ is\ configured\ for\ IDE\ use\ only\ and\
> >>> cannot\ build\ Swift.
> >>> This Xcode project is configured for IDE use only and cannot build
> >>> Swift.
> >>> false
> >>> make: ***
> >>> [/Users/ryan/Source/build/Xcode-DebugAssert/swift-macosx-x86_64/xcode_generate_for_ide_only_dummy.txt]
> >>> Error 1
> >>> Command /bin/sh failed with exit code 2
> >>> 
> >>> Most of my steps were taken from
> >>> https://github.com/apple/swift#developing-swift-in-xcode and then I just
> >>> filled in the blanks with my own imagination from there.
> >>> 
> >>>> 
> >>>> What is your typical process when adding a new feature to Swift?
> >>> 
> >>> I am also interested in this.
> >>> 
> >>>> 
> >>>> Thanks!
> >>>> 
> >>>> -Kenny
> >>>> 
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> >> 
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