[Vm-dev] [OpenSmalltalk/opensmalltalk-vm] Unable to build OSVM on macOS Catalina (#470)

[Ben Coman]

I don't have Catalina, but just to stimulate ideas, from a quick skim
around the net...

https://github.com/flutter/flutter/issues/43713
> Solved my problem... Mac OS Catalina change default bash and conda
environment was starting automatically...
> I had just comment on .bash_profile lines about initialization."

https://github.com/flutter/flutter/issues/42437
> I have solved my above issues by run "conda deactivate" to exist the
Anaconda enviroment. I don't know why, but after I exited the Python
anaconda enviroment, then I can run "flutter run" on IOS simulator without
any problem.

https://stackoverflow.com/questions/54955154/get-error-attributes-may-not-be-specified-on-a-category-eagldrawable-h-xcode-1

> uninstall and re install xcode and it work like charm"


https://gitlab.phidani.be/Chirag.Patel/clang/commit/aa59bd4807e5129200864caedac0a6d22a8c8185

Looks like the error message was deleted a couple of years ago, so maybe a
later compiler will help.

cheers -ben

On Tue, 14 Jan 2020 at 18:58, Fabio Niephaus <notifications at github.com>
wrote:

>  Steps to reproduce:
>
> cd build.macos64x64/squeak.cog.spur
> make debug
>
> Errors
>
> /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/System/Library/Frameworks/Foundation.framework/Headers/NSArray.h:109:12: error: attributes may not be specified on a category
> @interface NSArray<ObjectType> (NSArrayDiffing)
>            ^
> /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/System/Library/Frameworks/Foundation.framework/Headers/NSArray.h:196:12: error: attributes may not be specified on a category
> @interface NSMutableArray<ObjectType> (NSMutableArrayDiffing)
>            ^
> In file included from <built-in>:1:
> In file included from ./../../platforms/iOS/vm/SqueakPureObjc_Prefix.pch:12:
> In file included from /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/System/Library/Frameworks/Cocoa.framework/Headers/Cocoa.h:12:
> In file included from /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/System/Library/Frameworks/Foundation.framework/Headers/Foundation.h:48:
> In file included from /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/System/Library/Frameworks/Foundation.framework/Headers/NSKeyValueCoding.h:8:
> /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/System/Library/Frameworks/Foundation.framework/Headers/NSOrderedSet.h:112:12: error: attributes may not be specified on a category
> @interface NSOrderedSet<ObjectType> (NSOrderedSetDiffing)
>            ^
> /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/System/Library/Frameworks/Foundation.framework/Headers/NSOrderedSet.h:187:12: error: attributes may not be specified on a category
> @interface NSMutableOrderedSet<ObjectType> (NSMutableOrderedSetDiffing)
>
> —
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