(logging-log4cxx) branch master updated: Allow AsyncAppender to have a sub-class in the next ABI version (#629)

[swebb2066]

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swebb2066 pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/logging-log4cxx.git


The following commit(s) were added to refs/heads/master by this push:
     new 23dee3b4 Allow AsyncAppender to have a sub-class in the next ABI 
version (#629)
23dee3b4 is described below

commit 23dee3b43f6216d1ae89983a3604c97157994222
Author: Stephen Webb <stephen.w...@ieee.org>
AuthorDate: Thu Apr 16 09:49:35 2026 +1000

    Allow AsyncAppender to have a sub-class in the next ABI version (#629)
---
 src/main/include/log4cxx/asyncappender.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/main/include/log4cxx/asyncappender.h 
b/src/main/include/log4cxx/asyncappender.h
index f00d89ba..8ce23ccb 100644
--- a/src/main/include/log4cxx/asyncappender.h
+++ b/src/main/include/log4cxx/asyncappender.h
@@ -89,7 +89,11 @@ See AsyncAppender::setOption for details.
 */
 class LOG4CXX_EXPORT AsyncAppender :
        public virtual spi::AppenderAttachable,
+#if LOG4CXX_ABI_VERSION <= 15
        public virtual AppenderSkeleton
+#else
+       public AppenderSkeleton
+#endif
 {
        protected:
                struct AsyncAppenderPriv;