Mac OS X build errors missing instancetype + further issues just after building

David DeHaven david.dehaven at
Wed Apr 15 16:22:48 UTC 2015

> Mac OS X 10.10.3, latest Xcode (6.3), using GCC 4.8
> --------
> After getting past the defined(__OPENBSD__) bug I'm running into a host of
> new errors starting with:
> /Users/karianna/Documents/workspace/AdoptOpenJDK_projects/jdk9/hotspot/agent/src/os/bsd/MacosxDebuggerLocal.m:26:
> /Applications/
> error: unknown type name 'instancetype'
> - (instancetype)self;
> ^

You're using an SDK that's intended to be used exclusively with clang. I think you'd have to go back to MacOSX10.8.sdk for compatibility with gcc.

I'm curious why you're even trying to compile with gcc?


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