From 488d73f0455cc65314a0b0cfc446ea6bd481257f Mon Sep 17 00:00:00 2001
From: Vincent Laporte <Vincent.Laporte@gmail.com>
Date: Fri, 2 Oct 2020 22:14:02 +0200
Subject: [PATCH] coqPackages.bignums: do not depend on camlp5 for recent
 versions of Coq

---
 pkgs/development/coq-modules/bignums/default.nix | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/pkgs/development/coq-modules/bignums/default.nix b/pkgs/development/coq-modules/bignums/default.nix
index 88d7e461a317..7246382c9aed 100644
--- a/pkgs/development/coq-modules/bignums/default.nix
+++ b/pkgs/development/coq-modules/bignums/default.nix
@@ -43,7 +43,9 @@ stdenv.mkDerivation {
     inherit (param) rev sha256;
   };
 
-  buildInputs = with coq.ocamlPackages; [ ocaml camlp5 findlib coq ];
+  buildInputs = with coq.ocamlPackages; [ ocaml findlib coq ]
+  ++ stdenv.lib.optional (!stdenv.lib.versionAtLeast coq.coq-version "8.10") camlp5
+  ;
 
   installFlags = [ "COQLIB=$(out)/lib/coq/${coq.coq-version}/" ];