apple_sdk wget https://bitcoincore.org/depends-sources/sdks/MacOSX10.14.sdk.tar.gz wget https://bitcoincore.org/depends-sources/sdks/Xcode-11.3.1-11C505-extracted-SDK-with-libcxx-headers.tar.gz wget https://github.com/mtrojnar/osslsigncode/archive/2.0.tar.gz