From 64bed841a96db4156b00e61b98d828fc0c56f5a3 Mon Sep 17 00:00:00 2001
From: Doron Behar <doron.behar@gmail.com>
Date: Tue, 6 Jun 2023 19:15:33 +0300
Subject: [PATCH] lammps: mark as broken for 32 bit lapack & blas

---
 .../science/molecular-dynamics/lammps/default.nix             | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/pkgs/applications/science/molecular-dynamics/lammps/default.nix b/pkgs/applications/science/molecular-dynamics/lammps/default.nix
index 1707b309cb78..8f2b0e5c046e 100644
--- a/pkgs/applications/science/molecular-dynamics/lammps/default.nix
+++ b/pkgs/applications/science/molecular-dynamics/lammps/default.nix
@@ -84,6 +84,10 @@ stdenv.mkDerivation rec {
     homepage = "https://lammps.sandia.gov";
     license = licenses.gpl2Plus;
     platforms = platforms.linux;
+    # compiling lammps with 64 bit support blas and lapack might cause runtime
+    # segfaults. In anycase both blas and lapack should have the same #bits
+    # support.
+    broken = (blas.isILP64 && lapack.isILP64);
     maintainers = [ maintainers.costrouc maintainers.doronbehar ];
   };
 }