macOS versions older than 12.0 are no longer supported.

docs/about/build-platforms.rst says:
> Support for the previous major version will be dropped 2 years after
> the new major version is released or when the vendor itself drops
> support, whichever comes first.

macOS 12.0 was released 2021:
https://www.apple.com/newsroom/2021/10/macos-monterey-is-now-available/

Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
---
 net/vmnet-host.c    | 24 +-----------------------
 net/vmnet-shared.c  | 13 -------------
 net/vmnet-bridged.m | 13 +------------
 net/vmnet-common.m  |  3 ---
 4 files changed, 2 insertions(+), 51 deletions(-)

diff --git a/net/vmnet-host.c b/net/vmnet-host.c
index 1f95f7343a12..49fb25c224e4 100644
--- a/net/vmnet-host.c
+++ b/net/vmnet-host.c
@@ -21,31 +21,13 @@
 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->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-                   "unavailable: outdated vmnet.framework API");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->net_uuid) {
-        error_setg(errp,
-                   "vmnet-host.net-uuid feature is "
-                   "unavailable: outdated vmnet.framework API");
-        return false;
-    }
-#endif
 
     if ((options->start_address ||
          options->end_address ||
@@ -71,9 +53,6 @@ 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);
@@ -85,7 +64,6 @@ static xpc_object_t build_if_desc(const Netdev *netdev)
                                 vmnet_network_identifier_key,
                                 net_uuid.data);
     }
-#endif
 
     if (options->start_address) {
         xpc_dictionary_set_string(if_desc,
diff --git a/net/vmnet-shared.c b/net/vmnet-shared.c
index 40c7306a758a..4726b072536f 100644
--- a/net/vmnet-shared.c
+++ b/net/vmnet-shared.c
@@ -21,16 +21,6 @@ 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;
-    }
-#endif
-
     if ((options->start_address ||
          options->end_address ||
          options->subnet_mask) &&
@@ -76,14 +66,11 @@ 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
 
     return if_desc;
 }
diff --git a/net/vmnet-bridged.m b/net/vmnet-bridged.m
index 76a28abe793c..a04a14fa11e4 100644
--- a/net/vmnet-bridged.m
+++ b/net/vmnet-bridged.m
@@ -88,15 +88,6 @@ 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;
-    }
-#endif
     return true;
 }
 
@@ -115,12 +106,10 @@ 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
+
     return if_desc;
 }
 
diff --git a/net/vmnet-common.m b/net/vmnet-common.m
index 295828348501..30c4e53c1368 100644
--- a/net/vmnet-common.m
+++ b/net/vmnet-common.m
@@ -47,11 +47,8 @@
         return "buffers exhausted in kernel";
     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
     case VMNET_SHARING_SERVICE_BUSY:
         return "conflict, sharing service is in use";
-#endif
     default:
         return "unknown vmnet error";
     }

-- 
2.45.2

On 29/6/24 08:24, Akihiko Odaki wrote:
> macOS versions older than 12.0 are no longer supported.
> 
> docs/about/build-platforms.rst says:
>> Support for the previous major version will be dropped 2 years after
>> the new major version is released or when the vendor itself drops
>> support, whichever comes first.
> 
> macOS 12.0 was released 2021:
> https://www.apple.com/newsroom/2021/10/macos-monterey-is-now-available/
> 
> Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
> ---
>   net/vmnet-host.c    | 24 +-----------------------
>   net/vmnet-shared.c  | 13 -------------
>   net/vmnet-bridged.m | 13 +------------
>   net/vmnet-common.m  |  3 ---
>   4 files changed, 2 insertions(+), 51 deletions(-)

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>