From 2ebca01c80a83fa1641a193ade35eec0e15ffd40 Mon Sep 17 00:00:00 2001
From: Robert Scott <code@humanleg.org.uk>
Date: Mon, 29 Nov 2021 18:57:33 +0000
Subject: [PATCH] cppe: fix build with clang

(cherry picked from commit 7cbda5539d48d899d99d9f77cfc0c305d07ef161)
---
 .../development/libraries/science/chemistry/cppe/default.nix | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/pkgs/development/libraries/science/chemistry/cppe/default.nix b/pkgs/development/libraries/science/chemistry/cppe/default.nix
index 51083e5a2ae9..9781ce780660 100644
--- a/pkgs/development/libraries/science/chemistry/cppe/default.nix
+++ b/pkgs/development/libraries/science/chemistry/cppe/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, lib, fetchFromGitHub, cmake }:
+{ stdenv, lib, fetchFromGitHub, cmake, llvmPackages }:
 
 stdenv.mkDerivation rec {
   pname = "cppe";
@@ -11,7 +11,8 @@ stdenv.mkDerivation rec {
     sha256 = "sha256-guM7+ZWDJLcAUJtPkKLvC4LYSA2eBvER7cgwPZ7FxHw=";
   };
 
-  nativeBuildInputs = [ cmake ];
+  nativeBuildInputs = [ cmake ]
+    ++ lib.optionals stdenv.cc.isClang [ llvmPackages.openmp ];
 
   cmakeFlags = [ "-DCMAKE_INSTALL_LIBDIR=lib" ];