From d2c4b5777ba22a51dcdc5f5a97e9d8e72e00d860 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Vladim=C3=ADr=20=C4=8Cun=C3=A1t?= <vcunat@gmail.com>
Date: Sat, 9 Feb 2019 10:33:50 +0100
Subject: [PATCH] sagelib: fix missing pkgs.pkgconfig

Again: eb3f0aef43 #54306
Apparently the derivation needs both pkgconfigs
(it fails when missing either).
---
 pkgs/applications/science/math/sage/default.nix | 1 +
 pkgs/applications/science/math/sage/sagelib.nix | 2 ++
 2 files changed, 3 insertions(+)

diff --git a/pkgs/applications/science/math/sage/default.nix b/pkgs/applications/science/math/sage/default.nix
index dfdf210eec04..ddb22bcb1ef2 100644
--- a/pkgs/applications/science/math/sage/default.nix
+++ b/pkgs/applications/science/math/sage/default.nix
@@ -35,6 +35,7 @@ let
         inherit flint ecl arb;
         inherit sage-src pynac singular;
         linbox = pkgs.linbox.override { withSage = true; };
+        pkg-config = pkgs.pkgconfig; # not to confuse with pythonPackages.pkgconfig
       };
     };
   };
diff --git a/pkgs/applications/science/math/sage/sagelib.nix b/pkgs/applications/science/math/sage/sagelib.nix
index a754a2745098..814eef9560e9 100644
--- a/pkgs/applications/science/math/sage/sagelib.nix
+++ b/pkgs/applications/science/math/sage/sagelib.nix
@@ -30,6 +30,7 @@
 , numpy
 , pari
 , pkgconfig
+, pkg-config
 , planarity
 , ppl
 , pynac
@@ -63,6 +64,7 @@ buildPythonPackage rec {
     iml
     perl
     jupyter_core
+    pkg-config
   ];
 
   buildInputs = [