From a2a8c38e1dcbb9cfc3ac693b8d839fa4c3f427c6 Mon Sep 17 00:00:00 2001
From: Alexander Shpilkin <ashpilkin@gmail.com>
Date: Thu, 19 May 2022 17:17:04 +0300
Subject: [PATCH] xtensor: fix path in pkg-config file

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

diff --git a/pkgs/development/libraries/xtensor/default.nix b/pkgs/development/libraries/xtensor/default.nix
index fe978998d637..3503c6894efe 100644
--- a/pkgs/development/libraries/xtensor/default.nix
+++ b/pkgs/development/libraries/xtensor/default.nix
@@ -26,6 +26,12 @@ stdenv.mkDerivation rec {
   checkInputs = [ gtest ];
   checkTarget = "xtest";
 
+  # https://github.com/xtensor-stack/xtensor/issues/2542
+  postPatch = ''
+    substituteInPlace xtensor.pc.in \
+      --replace '$'{prefix}/@CMAKE_INSTALL_LIBDIR@ @CMAKE_INSTALL_FULL_LIBDIR@
+  '';
+
   meta = with lib; {
     description = "Multi-dimensional arrays with broadcasting and lazy computing.";
     homepage = "https://github.com/xtensor-stack/xtensor";