From 662e12ba1a2c2f06151b0f06814e6da0025cff2d Mon Sep 17 00:00:00 2001
From: "Richard W.M. Jones" <rjones@redhat.com>
Date: Tue, 5 Oct 2021 20:51:19 +0100
Subject: [PATCH] m4/guestfs-ocaml.m4: Fix deprecated warning format

In OCaml 4.13:

Alert ocaml_deprecated_cli: Setting a warning with a sequence of lowercase or uppercase letters,
like 'CDEFLMPSUVYZX', is deprecated.
Use the equivalent signed form: +C+D+E+F+L+M+P+S+U+V+Y+Z+X+52-3.

(cherry picked from commit fa4f59e1d99c08d7e0bae2a7cb54f254a6506d67)
---
 m4/guestfs-ocaml.m4 | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/m4/guestfs-ocaml.m4 b/m4/guestfs-ocaml.m4
index f5ac7eff..d2b3804a 100644
--- a/m4/guestfs-ocaml.m4
+++ b/m4/guestfs-ocaml.m4
@@ -166,7 +166,7 @@ EOF
 ])
 
 dnl Flags we want to pass to every OCaml compiler call.
-OCAML_WARN_ERROR="-warn-error CDEFLMPSUVYZX+52-3"
+OCAML_WARN_ERROR="-warn-error +C+D+E+F+L+M+P+S+U+V+Y+Z+X+52-3"
 AC_SUBST([OCAML_WARN_ERROR])
 OCAML_FLAGS="-g -annot $safe_string_option"
 AC_SUBST([OCAML_FLAGS])
-- 
2.31.1