From 3f8b15788f73b33ca1d08cd3a4e6eca8f8a9e283 Mon Sep 17 00:00:00 2001
From: John Ericson <John.Ericson@Obsidian.Systems>
Date: Sun, 12 Feb 2023 15:01:20 -0500
Subject: [PATCH] liblapack: Add `meta.pkgConfigModules` and test

---
 .../libraries/science/math/liblapack/default.nix   | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/pkgs/development/libraries/science/math/liblapack/default.nix b/pkgs/development/libraries/science/math/liblapack/default.nix
index b9563346ada4..3bf16057f835 100644
--- a/pkgs/development/libraries/science/math/liblapack/default.nix
+++ b/pkgs/development/libraries/science/math/liblapack/default.nix
@@ -6,16 +6,17 @@
 , shared ? true
 # Compile with ILP64 interface
 , blas64 ? false
+, testers
 }:
 
-stdenv.mkDerivation rec {
+stdenv.mkDerivation (finalAttrs: {
   pname = "liblapack";
   version = "3.11";
 
   src = fetchFromGitHub {
     owner = "Reference-LAPACK";
     repo = "lapack";
-    rev = "v${version}";
+    rev = "v${finalAttrs.version}";
     sha256 = "sha256-AYD78u70y8cY19hmM/aDjQEzxO8u9lPWhCFxRe5cqXI=";
   };
 
@@ -40,7 +41,7 @@ stdenv.mkDerivation rec {
 
   postInstall =  let
     canonicalExtension = if stdenv.hostPlatform.isLinux
-                       then "${stdenv.hostPlatform.extensions.sharedLibrary}.${lib.versions.major version}"
+                       then "${stdenv.hostPlatform.extensions.sharedLibrary}.${lib.versions.major finalAttrs.version}"
                        else stdenv.hostPlatform.extensions.sharedLibrary;
   in lib.optionalString blas64 ''
     ln -s $out/lib/liblapack64${canonicalExtension} $out/lib/liblapack${canonicalExtension}
@@ -65,15 +66,18 @@ stdenv.mkDerivation rec {
 
   checkPhase = ''
     runHook preCheck
-    ctest ${ctestArgs}
+    ctest ${finalAttrs.ctestArgs}
     runHook postCheck
   '';
 
+  passthru.tests.pkg-config = testers.testMetaPkgConfig finalAttrs.finalPackage;
+
   meta = with lib; {
     description = "Linear Algebra PACKage";
     homepage = "http://www.netlib.org/lapack/";
     maintainers = with maintainers; [ markuskowa ];
     license = licenses.bsd3;
+    pkgConfigModules = [ "lapack" ];
     platforms = platforms.all;
   };
-}
+})