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new a81b23a85a avdevice/avfoundation: fix build with deployment targets
below macOS 12
a81b23a85a is described below
commit a81b23a85aca34f9942dc1a63a521946a6407d3f
Author: Gabriel Balaich <[email protected]>
AuthorDate: Thu Aug 6 12:21:37 2026 -0600
Commit: Romain Beauxis <[email protected]>
CommitDate: Fri Aug 7 13:55:36 2026 +0000
avdevice/avfoundation: fix build with deployment targets below macOS 12
c2802e520a selected kIOMainPortDefault whenever the SDK is new enough
(__MAC_OS_X_VERSION_MAX_ALLOWED), but that symbol is only available
since macOS 12, so building with a newer SDK against an older
deployment target failed with -Wunguarded-availability-new.
Check the deployment target (__MAC_OS_X_VERSION_MIN_REQUIRED) instead
and keep using the equivalent kIOMasterPortDefault when targeting
older releases.
See:
https://lists.ffmpeg.org/archives/list/[email protected]/thread/S7PGVSGNLIZ2WRYV6VOBAD3RWYUNWA3H/
Reported-by: Helmut K. C. Tessarek <[email protected]>
Signed-off-by: Gabriel Balaich <[email protected]>
---
libavdevice/avfoundation.m | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/libavdevice/avfoundation.m b/libavdevice/avfoundation.m
index 88b814ecf1..4516388dd4 100644
--- a/libavdevice/avfoundation.m
+++ b/libavdevice/avfoundation.m
@@ -30,8 +30,9 @@
#import <AVFoundation/AVFoundation.h>
#if HAVE_IOKIT
# import <IOKit/IOKitLib.h>
- /* kIOMainPortDefault replaced kIOMasterPortDefault in the macOS 12 SDK. */
-# if defined(__MAC_OS_X_VERSION_MAX_ALLOWED) &&
__MAC_OS_X_VERSION_MAX_ALLOWED >= 120000
+ /* kIOMainPortDefault is only available since macOS 12; fall back to the
+ * equivalent kIOMasterPortDefault when targeting older releases. */
+# if defined(__MAC_OS_X_VERSION_MIN_REQUIRED) &&
__MAC_OS_X_VERSION_MIN_REQUIRED >= 120000
# define AVF_IO_MAIN_PORT_DEFAULT kIOMainPortDefault
# else
# define AVF_IO_MAIN_PORT_DEFAULT kIOMasterPortDefault
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