[cmake-developers] -DCMAKE_OSX_DEPLOYMENT_TARGET:STRING="" -DCMAKE_OSX_SYSROOT:STRING=/ broken in 3.7.0-rc2

[Gregor Jasny]

On 30/10/2016 20:37, Jack Howarth wrote:
> Proposed fix to restore functionality for
> -DCMAKE_OSX_DEPLOYMENT_TARGET:STRING="" -DCMAKE_OSX_SYSROOT:STRING=/
> while retaining the current hack when CMAKE_OSX_DEPLOYMENT_TARGET is
> not set to an empty string.

Thanks for the patch but it is breaking #16323 again:

> ~/src/cmake/_build/bin/cmake -DCMAKE_OSX_SYSROOT=/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk -DCMAKE_OSX_DEPLOYMENT_TARGET=10.10 -GXcode ..
> -- The C compiler identification is AppleClang 8.0.0.8000042
> -- The CXX compiler identification is AppleClang 8.0.0.8000042
> CMake Error at /Users/jasny/src/cmake/Modules/Platform/Darwin.cmake:76 (message):
>   CMAKE_OSX_DEPLOYMENT_TARGET is '10.10' but CMAKE_OSX_SYSROOT:
> 
>    "/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk"
> 
>   is not set to a MacOSX SDK with a recognized version.  Either set
>   CMAKE_OSX_SYSROOT to a valid SDK or set CMAKE_OSX_DEPLOYMENT_TARGET to
>   empty.
> Call Stack (most recent call first):
>   /Users/jasny/src/cmake/Modules/CMakeSystemSpecificInformation.cmake:26 (include)
>   CMakeLists.txt
> 
> 
> -- Configuring incomplete, errors occurred!
> See also "/Users/jasny/tmp/cm/_build/CMakeFiles/CMakeOutput.log".