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How to re-open xCode Archive?

Is Xcode developed in Xcode?

  • Apple's Xcode is a software development environment, so I was wondering… Obviously they couldn't use Xcode to develop the first version of Xcode, but once they had a functional development environment… Do they use current versions of Xcode to develop future versions of Xcode?

  • Answer:

    Yes. In fact, most of the closed source components of Apple's operating systems and apps are written in Xcode. Apple distributes alpha versions of their entire software stack—from OS X all the way up to Xcode—pretty aggressively within the company, so Xcode is actually written in horribly buggy prerelease versions of Xcode!

Brent Royal-Gordon at Quora Visit the source

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Xcode 1.0 is based on the http://en.wikipedia.org/wiki/Project_Builder, which was developed by http://en.wikipedia.org/wiki/NeXT. As in Wikipedia It was rewritten and informally dubbed PBx (http://www.cocoabuilder.com/archive/cocoa/26936-getting-started-pb-pbx.html)

Pradyumna Doddala

Of course. Xcode is just a graphical app to edit and call the compiler, amongst many other things of course. It could have been done on vi and compiled with GCC. Now the question you really wanted to ask was: how did the first C compiler got compiled? Who compiled GCC? ;)

Bruno D. Rodrigues

According to Stack Overflow, it's a mix of C, C++, Objective-C, and Objective-C++. I'm not sure anyone outside of Apple knows for sure: http://stackoverflow.com/questions/7773510/what-language-was-xcode-written-in

James Martin

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