.: Allow building with arbitrary SDK and ARCHS with make + Xcode
https://bugs.webkit.org/show_bug.cgi?id=107863

Patch by David Farler <dfarler@apple.com> on 2013-01-26
Reviewed by David Kilzer.

* Makefile:
Removed references to legacy Xcode configurations.
* Makefile.shared:
Added default ARCHS + SDK settings and parameterized xcodebuild calls.
* Source/Makefile:
iOS does not build WebKit2.

Tools: Makefiles should work for arbitrary SDKs and architectures on Apple ports
https://bugs.webkit.org/show_bug.cgi?id=107863

Patch by David Farler <dfarler@apple.com> on 2013-01-26
Reviewed by David Kilzer.

* Makefile:
Added temporary filters for projects not yet building on iOS.
* DumpRenderTree/Makefile:
Building with iOS SDKs -> -target All-iOS
* Scripts/webkitdirs.pm:
(determineConfiguration):
Added --configuration switch detection.
(determineArchitecture):
Added --architecture and ARCH=(.*) switch detection.
(argumentsForConfiguration):
(determineXcodeSDK):
Look for --device, --simulator, and --sdk switches.
(xcodeSDK):
Added.
(XcodeOptions):
Determine Xcode SDK and generate -arch switches.

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@140912 268f45cc-cd09-0410-ab3c-d52691b4dbfc