From b3b575d794a7c9ffd11b523b8289c9973ea0d7b6 Mon Sep 17 00:00:00 2001
From: Etienne Millon <me@emillon.org>
Date: Mon, 17 Jul 2023 11:35:38 +0200
Subject: [PATCH] Restrict zstd

Upstream fix: https://github.com/ygrek/ocaml-zstd/pull/7
---
 packages/zstd/zstd.0.3/opam | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/zstd/zstd.0.3/opam b/packages/zstd/zstd.0.3/opam
index 8355433f55f..6dd6e5fb4ba 100644
--- a/packages/zstd/zstd.0.3/opam
+++ b/packages/zstd/zstd.0.3/opam
@@ -17,7 +17,7 @@ build: [
 depends: [
   "ocaml"
   "dune" {>= "2.0"}
-  "ctypes"
+  "ctypes" {< "0.21.0"}
   "integers"
   ("extlib" {with-test} | "extlib-compat" {with-test})
   "base-unix" {with-test}