Invalid SDK Version about osxcross

[tpoechtrager]

Is 10.11 not supported ?

Xcode 7.x isn't supported yet (like stated in the README), Xcode 7.x requires a newer not yet open sourced linker.

You can of course compile for 10.11 by using the Xcode 6.x SDKs.

testing o32-clang ... /osxcross/target/bin/../SDK/MacOSX10.11.sdk/usr/include/module.map:1:25: warning: unknown attribute 'extern_c' [-Wignored-attributes]
module Darwin [system] [extern_c] {
                        ^
/osxcross/target/bin/../SDK/MacOSX10.11.sdk/usr/include/module.map:1561:21: warning: unknown attribute 'extern_c' [-Wignored-attributes]
module os [system] [extern_c] {
                    ^
/osxcross/target/bin/../SDK/MacOSX10.11.sdk/usr/include/module.map:1577:26: warning: unknown attribute 'extern_c' [-Wignored-attributes]
module libkern [system] [extern_c] {
                        ^

Use clang >= 3.5 to get rid of the compiler warnings.