Xcode error with cmake build of grpc

[Steven Smith]

This flag is being passed to cmake in the MacPorts build. Is this the issue?

> -DCMAKE_OSX_SYSROOT="/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk"

It doesn’t appear consistent with the error:

> make[2]: *** No rule to make target `/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk/System/Library/Frameworks/CoreFoundation.framework', needed by `libgpr.14.0.0.dylib'.  Stop.

Is there a Portfile incantation that will fix this, or at least code around the issue?


> On Jan 17, 2021, at 3:08 PM, Steven Smith <steve.t.smith at gmail.com> wrote:
> 
>> Not sure why this build is insisting on trying to use the 10.15 SDK when it does not exist. That is a bug that should be fixed.
> 
> Is this an upstream grpc issue, a cmake issue, or a MacPorts issue? I’ll post the issue if I know where to post it.

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