From 6f1dd9a2094588b518fdb455f062e48bc4b2e499 Mon Sep 17 00:00:00 2001
From: Alexander Shpilkin <ashpilkin@gmail.com>
Date: Mon, 16 May 2022 11:16:34 +0300
Subject: [PATCH] cm256cc: fix path in pkg-config file

---
 pkgs/development/libraries/cm256cc/default.nix | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/pkgs/development/libraries/cm256cc/default.nix b/pkgs/development/libraries/cm256cc/default.nix
index 09b0ffba98ba..3a2538898cce 100644
--- a/pkgs/development/libraries/cm256cc/default.nix
+++ b/pkgs/development/libraries/cm256cc/default.nix
@@ -14,6 +14,12 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [ cmake ];
   buildInputs = [ boost ];
 
+  # https://github.com/f4exb/cm256cc/issues/16
+  postPatch = ''
+    substituteInPlace libcm256cc.pc.in \
+      --replace '$'{exec_prefix}/@CMAKE_INSTALL_LIBDIR@ @CMAKE_INSTALL_FULL_LIBDIR@
+  '';
+
   meta = with lib; {
     description = "Fast GF(256) Cauchy MDS Block Erasure Codec in C++";
     homepage = "https://github.com/f4exb/cm256cc";