From b2f43234a2c304a50c4e784e453492cd0028ce33 Mon Sep 17 00:00:00 2001
From: Austin Horstman <khaneliman12@gmail.com>
Date: Fri, 8 Nov 2024 17:54:57 -0600
Subject: [PATCH] adolc: fix clang build

---
 pkgs/by-name/ad/adolc/package.nix | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/pkgs/by-name/ad/adolc/package.nix b/pkgs/by-name/ad/adolc/package.nix
index ecc920a2f8cf..31955562a767 100644
--- a/pkgs/by-name/ad/adolc/package.nix
+++ b/pkgs/by-name/ad/adolc/package.nix
@@ -2,6 +2,7 @@
   lib,
   stdenv,
   fetchFromGitHub,
+  llvmPackages,
 }:
 
 stdenv.mkDerivation (finalAttrs: {
@@ -17,6 +18,8 @@ stdenv.mkDerivation (finalAttrs: {
 
   configureFlags = [ "--with-openmp-flag=-fopenmp" ];
 
+  buildInputs = lib.optional stdenv.cc.isClang llvmPackages.openmp;
+
   meta = with lib; {
     description = "Automatic Differentiation of C/C++";
     homepage = "https://github.com/coin-or/ADOL-C";