MAC_OS_X_VERSION_MIN_REQUIRED is set at compile time so this means that when we target an older macOS version, it disables the newer features. With a runtime check, we can selectively disable newer API features.
Signed-off-by: Joelle van Dyne <j...@getutm.app> --- net/vmnet-host.c | 70 +++++++++++++++++++++------------------------ net/vmnet-shared.c | 32 ++++++++++----------- net/vmnet-bridged.m | 29 ++++++++++--------- net/vmnet-common.m | 2 +- 4 files changed, 65 insertions(+), 68 deletions(-) diff --git a/net/vmnet-host.c b/net/vmnet-host.c index 05f8d78864..400b670a96 100644 --- a/net/vmnet-host.c +++ b/net/vmnet-host.c @@ -22,31 +22,29 @@ static bool validate_options(const Netdev *netdev, Error **errp) { const NetdevVmnetHostOptions *options = &(netdev->u.vmnet_host); -#if defined(MAC_OS_VERSION_11_0) && \ - MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_VERSION_11_0 - - QemuUUID net_uuid; - if (options->has_net_uuid && - qemu_uuid_parse(options->net_uuid, &net_uuid) < 0) { - error_setg(errp, "Invalid UUID provided in 'net-uuid'"); - return false; - } -#else - if (options->has_isolated) { - error_setg(errp, - "vmnet-host.isolated feature is " - "unavailable: outdated vmnet.framework API"); - return false; + if (__builtin_available(macOS 11, *)) { + QemuUUID net_uuid; + if (options->has_net_uuid && + qemu_uuid_parse(options->net_uuid, &net_uuid) < 0) { + error_setg(errp, "Invalid UUID provided in 'net-uuid'"); + return false; + } + } else { + if (options->has_isolated) { + error_setg(errp, + "vmnet-host.isolated feature is " + "unavailable: outdated vmnet.framework API"); + return false; + } + + if (options->has_net_uuid) { + error_setg(errp, + "vmnet-host.net-uuid feature is " + "unavailable: outdated vmnet.framework API"); + return false; + } } - if (options->has_net_uuid) { - error_setg(errp, - "vmnet-host.net-uuid feature is " - "unavailable: outdated vmnet.framework API"); - return false; - } -#endif - if ((options->has_start_address || options->has_end_address || options->has_subnet_mask) && @@ -71,21 +69,19 @@ static xpc_object_t build_if_desc(const Netdev *netdev) vmnet_operation_mode_key, VMNET_HOST_MODE); -#if defined(MAC_OS_VERSION_11_0) && \ - MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_VERSION_11_0 - - xpc_dictionary_set_bool(if_desc, - vmnet_enable_isolation_key, - options->isolated); - - QemuUUID net_uuid; - if (options->has_net_uuid) { - qemu_uuid_parse(options->net_uuid, &net_uuid); - xpc_dictionary_set_uuid(if_desc, - vmnet_network_identifier_key, - net_uuid.data); + if (__builtin_available(macOS 11, *)) { + xpc_dictionary_set_bool(if_desc, + vmnet_enable_isolation_key, + options->isolated); + + QemuUUID net_uuid; + if (options->has_net_uuid) { + qemu_uuid_parse(options->net_uuid, &net_uuid); + xpc_dictionary_set_uuid(if_desc, + vmnet_network_identifier_key, + net_uuid.data); + } } -#endif if (options->has_start_address) { xpc_dictionary_set_string(if_desc, diff --git a/net/vmnet-shared.c b/net/vmnet-shared.c index 18cadc72bd..319bcac002 100644 --- a/net/vmnet-shared.c +++ b/net/vmnet-shared.c @@ -21,15 +21,16 @@ static bool validate_options(const Netdev *netdev, Error **errp) { const NetdevVmnetSharedOptions *options = &(netdev->u.vmnet_shared); -#if !defined(MAC_OS_VERSION_11_0) || \ - MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_VERSION_11_0 - if (options->has_isolated) { - error_setg(errp, - "vmnet-shared.isolated feature is " - "unavailable: outdated vmnet.framework API"); - return false; + if (__builtin_available(macOS 11, *)) { + /* clang requires this to be in the true branch */ + } else { + if (options->has_isolated) { + error_setg(errp, + "vmnet-shared.isolated feature is " + "unavailable: outdated vmnet.framework API"); + return false; + } } -#endif if ((options->has_start_address || options->has_end_address || @@ -76,14 +77,13 @@ static xpc_object_t build_if_desc(const Netdev *netdev) options->subnet_mask); } -#if defined(MAC_OS_VERSION_11_0) && \ - MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_VERSION_11_0 - xpc_dictionary_set_bool( - if_desc, - vmnet_enable_isolation_key, - options->isolated - ); -#endif + if (__builtin_available(macOS 11, *)) { + xpc_dictionary_set_bool( + if_desc, + vmnet_enable_isolation_key, + options->isolated + ); + } return if_desc; } diff --git a/net/vmnet-bridged.m b/net/vmnet-bridged.m index 46d2282863..239d4e64c8 100644 --- a/net/vmnet-bridged.m +++ b/net/vmnet-bridged.m @@ -88,15 +88,16 @@ static bool validate_options(const Netdev *netdev, Error **errp) return false; } -#if !defined(MAC_OS_VERSION_11_0) || \ - MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_VERSION_11_0 - if (options->has_isolated) { - error_setg(errp, - "vmnet-bridged.isolated feature is " - "unavailable: outdated vmnet.framework API"); - return false; + if (__builtin_available(macOS 11, *)) { + // clang requires a true branch + } else { + if (options->has_isolated) { + error_setg(errp, + "vmnet-bridged.isolated feature is " + "unavailable: outdated vmnet.framework API"); + return false; + } } -#endif return true; } @@ -115,12 +116,12 @@ static xpc_object_t build_if_desc(const Netdev *netdev) vmnet_shared_interface_name_key, options->ifname); -#if defined(MAC_OS_VERSION_11_0) && \ - MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_VERSION_11_0 - xpc_dictionary_set_bool(if_desc, - vmnet_enable_isolation_key, - options->isolated); -#endif + if (__builtin_available(macOS 11, *)) { + xpc_dictionary_set_bool(if_desc, + vmnet_enable_isolation_key, + options->isolated); + } + return if_desc; } diff --git a/net/vmnet-common.m b/net/vmnet-common.m index 2cb60b9ddd..ed376483b9 100644 --- a/net/vmnet-common.m +++ b/net/vmnet-common.m @@ -47,7 +47,7 @@ case VMNET_TOO_MANY_PACKETS: return "packet count exceeds limit"; #if defined(MAC_OS_VERSION_11_0) && \ - MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_VERSION_11_0 + MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_VERSION_11_0 case VMNET_SHARING_SERVICE_BUSY: return "conflict, sharing service is in use"; #endif -- 2.28.0