From 07cdea2ae5005c6396eafd9d87e1cdec6c0c2a4b Mon Sep 17 00:00:00 2001
From: Federico Beffa <beffa@fbengineering.ch>
Date: Tue, 19 Nov 2024 13:50:52 +0100
Subject: [PATCH] arpack: add ISO C bindings

---
 pkgs/by-name/ar/arpack/package.nix | 1 +
 1 file changed, 1 insertion(+)

diff --git a/pkgs/by-name/ar/arpack/package.nix b/pkgs/by-name/ar/arpack/package.nix
index 06503bbc7ddd..d8da13ac5680 100644
--- a/pkgs/by-name/ar/arpack/package.nix
+++ b/pkgs/by-name/ar/arpack/package.nix
@@ -36,6 +36,7 @@ stdenv.mkDerivation rec {
     "-DBUILD_SHARED_LIBS=ON"
     "-DINTERFACE64=${if blas.isILP64 then "1" else "0"}"
     "-DMPI=${if useMpi then "ON" else "OFF"}"
+    "-DICB=ON"
   ];
 
   preCheck = ''