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-rw-r--r--include/m_string.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/include/m_string.h b/include/m_string.h
index e1cf7651519..dc916792f60 100644
--- a/include/m_string.h
+++ b/include/m_string.h
@@ -60,7 +60,9 @@
# define bfill(A,B,C) memset((A),(C),(B))
#endif
-#if !defined(bzero) && (!defined(HAVE_BZERO) || !defined(HAVE_DECL_BZERO))
+#if !defined(bzero) && (!defined(HAVE_BZERO) || !HAVE_DECL_BZERO || defined(_AIX))
+/* See autoconf doku: "HAVE_DECL_symbol" will be defined after configure, to 0 or 1 */
+/* AIX has bzero() as a function, but the declaration prototype is strangely hidden */
# define bzero(A,B) memset((A),0,(B))
#endif