make deps fails when compiling libwebrtc on mac

[Marvin Hagemeister]

make deps fails when building webrtc on OSX 10.11.3 (15D21). Latest XCode is installed.

$ make deps
...

/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.11.sdk/System/Library/Frameworks/Foundation.framework/Headers/NSString.h:151:37: error: expected a type
- (NSRange)rangeOfCharacterFromSet:(NSCharacterSet *)searchSet;
                                    ^
fatal error: too many errors emitted, stopping now [-ferror-limit=]
20 errors generated.
[65/630] CXX obj/webrtc/base/rtc_base.httpserver.o
ninja: build stopped: subcommand failed.
ERROR: 1 null 

make[1]: *** [/dev/null] Error 255

Full log: http://pastebin.com/raw/en0k4jS0

[Philipp Hagemeister]

wrtc is indeed quite problematic to build. With 8979757, it and its test are now optional. In the long term, either a proper web browser or a maintained package should be used to run this test.