From 9e8bf24e48a0364d16660c485f2e33d01f6c6eaa 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 17:48:27 +0200
Subject: [PATCH] rtrlib: fix paths in .pc file

---
 pkgs/development/libraries/rtrlib/default.nix | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/pkgs/development/libraries/rtrlib/default.nix b/pkgs/development/libraries/rtrlib/default.nix
index bb0aec308ae838..05429a72fb667a 100644
--- a/pkgs/development/libraries/rtrlib/default.nix
+++ b/pkgs/development/libraries/rtrlib/default.nix
@@ -14,6 +14,11 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [ cmake ];
   buildInputs = [ libssh openssl ];
 
+  postFixup = ''
+    substituteInPlace "$out"/lib/pkgconfig/rtrlib.pc \
+      --replace '=''${prefix}//' '=/'
+  '';
+
   meta = with lib; {
     description = "An open-source C implementation of the RPKI/Router Protocol client";
     homepage = "https://github.com/rtrlib/rtrlib";