From c884849a3c6407bfff3383c54499595781fea73a Mon Sep 17 00:00:00 2001
From: Weijia Wang <9713184+wegank@users.noreply.github.com>
Date: Tue, 28 Feb 2023 09:58:04 +0200
Subject: [PATCH] openmm: use gcc11Stdenv everywhere

---
 .../libraries/science/chemistry/openmm/default.nix            | 3 +++
 pkgs/top-level/all-packages.nix                               | 4 ++--
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/pkgs/development/libraries/science/chemistry/openmm/default.nix b/pkgs/development/libraries/science/chemistry/openmm/default.nix
index 85072f77da12..3b4838c68a58 100644
--- a/pkgs/development/libraries/science/chemistry/openmm/default.nix
+++ b/pkgs/development/libraries/science/chemistry/openmm/default.nix
@@ -78,6 +78,9 @@ stdenv.mkDerivation rec {
     "-DCMAKE_LIBRARY_PATH=${cudaPackages.cudatoolkit}/lib64/stubs"
   ];
 
+  # https://github.com/NixOS/nixpkgs/issues/201254
+  NIX_LDFLAGS = lib.optionalString (stdenv.isLinux && stdenv.isAarch64 && stdenv.cc.isGNU) "-lgcc";
+
   postInstall = lib.strings.optionalString enablePython ''
       export OPENMM_LIB_PATH=$out/lib
       export OPENMM_INCLUDE_PATH=$out/include
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index ebc8418f09b2..1c7e992afdf6 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -31760,8 +31760,8 @@ with pkgs;
   open-policy-agent = callPackage ../development/tools/open-policy-agent { };
 
   openmm = callPackage ../development/libraries/science/chemistry/openmm {
-    stdenv = if stdenv.targetPlatform.isAarch64 then gcc9Stdenv else gcc11Stdenv;
-    gfortran = if stdenv.targetPlatform.isAarch64 then gfortran9 else gfortran11;
+    stdenv = gcc11Stdenv;
+    gfortran = gfortran11;
   };
 
   openshift = callPackage ../applications/networking/cluster/openshift { };