+alpha*-unknown-openbsd*)
+ HostPlatform=alpha-unknown-openbsd
+ TargetPlatform=alpha-unknown-openbsd
+ BuildPlatform=alpha-unknown-openbsd
+ HostPlatform_CPP='alpha_unknown_openbsd'
+ HostArch_CPP='alpha'
+ HostVendor_CPP='unknown'
+ HostOS_CPP='openbsd'
+ ;;
+amd64-*-openbsd*|x86_64-*-openbsd*)
+ HostPlatform=x86_64-unknown-openbsd
+ TargetPlatform=x86_64-unknown-openbsd
+ BuildPlatform=x86_64-unknown-openbsd
+ HostPlatform_CPP='x86_64_unknown_openbsd'
+ HostArch_CPP='x86_64'
+ HostVendor_CPP='unknown'
+ HostOS_CPP='openbsd'
+ ;;