1 files changed, 43 insertions, 0 deletions
diff --git a/include/ac/alloca.h b/include/ac/alloca.h
new file mode 100644
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--- /dev/null
+++ b/include/ac/alloca.h
@@ -0,0 +1,43 @@
+/* Generic alloca.h */
+/* $OpenLDAP$ */
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 1998-2022 The OpenLDAP Foundation.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted only as authorized by the OpenLDAP
+ * Public License.
+ *
+ * A copy of this license is available in file LICENSE in the
+ * top-level directory of the distribution or, alternatively, at
+ * <http://www.OpenLDAP.org/license.html>.
+ */
+
+#ifndef _AC_ALLOCA_H
+#define _AC_ALLOCA_H
+
+/*
+ * use of alloca is disallowed as it is machine dependent
+ */
+#error  "alloca() not supported, use malloc()"
+
+/* AIX requires this to be the first thing in the file.  */
+#ifdef __GNUC__
+# define alloca __builtin_alloca
+#else
+# ifdef HAVE_ALLOCA_H
+#  include <alloca.h>
+# else
+#  ifdef _AIX
+#pragma alloca
+#  else
+#   ifndef alloca /* predefined by HP cc +Olibcalls */
+extern char *(alloca)();
+#   endif
+#  endif
+# endif
+#endif
+
+
+#endif /* _AC_ALLOCA_H */