On Mon, 1 Jan 2024, David Bohman wrote:
This is a build failure in the master branch as a result of commit
e37b15e26fbc7bc31a86a4a2c7c798e20d4f4c2c:
There is no type AVMediaType prior to macOS 10.13.
---
libavdevice/avfoundation.m | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/libavdevice/avfoundation.m b/libavdevice/avfoundation.m
index 6a57163eb7..5fc5cb61c5 100644
--- a/libavdevice/avfoundation.m
+++ b/libavdevice/avfoundation.m
@@ -761,6 +761,10 @@ static int get_audio_config(AVFormatContext *s)
return 0;
}
+#if TARGET_OS_OSX && __MAC_OS_X_VERSION_MIN_REQUIRED < 101300
+typedef NSString *AVMediaType;
+#endif
+
Checking the min required version of the SDK is the wrong check here.
If you use a recent macOS SDK but target an older version of macOS, this
typedef is still available; check the AVMediaFormat.h header - there's no
ifdef around the AVMediaType typedef.
Therefore, the availability of this type is connected to the SDK version,
not the runtime target version. Therefore, use
MAC_OS_X_VERSION_MAX_ALLOWED or something similar to check the actual SDK
version, not the target version (as set by e.g. -mmacosx-version-min).
// Martin
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