From 7ddee326c2b49e0da7d96801fa703fe884455871 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Vladim=C3=ADr=20=C4=8Cun=C3=A1t?= <v@cunat.cz>
Date: Wed, 28 Sep 2022 16:48:34 +0200
Subject: [PATCH] gromacs*: fixup paths in .pc files

---
 .../science/molecular-dynamics/gromacs/default.nix          | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/pkgs/applications/science/molecular-dynamics/gromacs/default.nix b/pkgs/applications/science/molecular-dynamics/gromacs/default.nix
index bababa50c59e..125283589aef 100644
--- a/pkgs/applications/science/molecular-dynamics/gromacs/default.nix
+++ b/pkgs/applications/science/molecular-dynamics/gromacs/default.nix
@@ -63,6 +63,12 @@ in stdenv.mkDerivation rec {
      ]
   ) ++ lib.optional enableCuda "-DGMX_GPU=CUDA";
 
+  postFixup = ''
+    substituteInPlace "$out"/lib/pkgconfig/*.pc \
+      --replace '=''${prefix}//' '=/' \
+      --replace "$out/$out/" "$out/"
+  '';
+
   meta = with lib; {
     homepage = "http://www.gromacs.org";
     license = licenses.gpl2;