From 5492d23dcce90112af6b9265122fff8d59865870 Mon Sep 17 00:00:00 2001
From: Guy Chronister <guychronister@outlook.com>
Date: Mon, 23 Mar 2026 10:49:34 -0500
Subject: [PATCH 1/2] lp_solve: migrate to by-name

---
 .../lp}/lp_solve/0001-fix-cross-compilation.patch             | 0
 .../lp_solve/default.nix => by-name/lp/lp_solve/package.nix}  | 4 ++--
 pkgs/top-level/all-packages.nix                               | 4 ----
 3 files changed, 2 insertions(+), 6 deletions(-)
 rename pkgs/{applications/science/math => by-name/lp}/lp_solve/0001-fix-cross-compilation.patch (100%)
 rename pkgs/{applications/science/math/lp_solve/default.nix => by-name/lp/lp_solve/package.nix} (96%)

diff --git a/pkgs/applications/science/math/lp_solve/0001-fix-cross-compilation.patch b/pkgs/by-name/lp/lp_solve/0001-fix-cross-compilation.patch
similarity index 100%
rename from pkgs/applications/science/math/lp_solve/0001-fix-cross-compilation.patch
rename to pkgs/by-name/lp/lp_solve/0001-fix-cross-compilation.patch
diff --git a/pkgs/applications/science/math/lp_solve/default.nix b/pkgs/by-name/lp/lp_solve/package.nix
similarity index 96%
rename from pkgs/applications/science/math/lp_solve/default.nix
rename to pkgs/by-name/lp/lp_solve/package.nix
index 35bd657e7ad3..195c3ac3bcd8 100644
--- a/pkgs/applications/science/math/lp_solve/default.nix
+++ b/pkgs/by-name/lp/lp_solve/package.nix
@@ -4,7 +4,7 @@
   fetchurl,
   cctools,
   fixDarwinDylibNames,
-  autoSignDarwinBinariesHook,
+  darwin,
   replaceVars,
   buildPackages,
   binutils,
@@ -28,7 +28,7 @@ stdenv.mkDerivation rec {
       fixDarwinDylibNames
     ]
     ++ lib.optionals (stdenv.hostPlatform.isDarwin && stdenv.hostPlatform.isAarch64) [
-      autoSignDarwinBinariesHook
+      darwin.autoSignDarwinBinariesHook
     ];
 
   env = {
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 9732092816f4..052e57970a40 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -2343,10 +2343,6 @@ with pkgs;
 
   fluentd = callPackage ../tools/misc/fluentd { };
 
-  lp_solve = callPackage ../applications/science/math/lp_solve {
-    inherit (darwin) autoSignDarwinBinariesHook;
-  };
-
   fpm = callPackage ../tools/package-management/fpm { };
 
   ferdium = callPackage ../applications/networking/instant-messengers/ferdium {

From 09a85412e03fd08839a38a6aa2d5da1e6e026d13 Mon Sep 17 00:00:00 2001
From: Guy Chronister <guychronister@outlook.com>
Date: Mon, 23 Mar 2026 10:50:29 -0500
Subject: [PATCH 2/2] lp_solve: refactor

---
 pkgs/by-name/lp/lp_solve/package.nix | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/pkgs/by-name/lp/lp_solve/package.nix b/pkgs/by-name/lp/lp_solve/package.nix
index 195c3ac3bcd8..cadd82feb7f0 100644
--- a/pkgs/by-name/lp/lp_solve/package.nix
+++ b/pkgs/by-name/lp/lp_solve/package.nix
@@ -10,13 +10,13 @@
   binutils,
 }:
 
-stdenv.mkDerivation rec {
+stdenv.mkDerivation (finalAttrs: {
   pname = "lp_solve";
   version = "5.5.2.11";
 
   src = fetchurl {
-    url = "mirror://sourceforge/project/lpsolve/lpsolve/${version}/lp_solve_${version}_source.tar.gz";
-    sha256 = "sha256-bUq/9cxqqpM66ObBeiJt8PwLZxxDj2lxXUHQn+gfkC8=";
+    url = "mirror://sourceforge/project/lpsolve/lpsolve/${finalAttrs.version}/lp_solve_${finalAttrs.version}_source.tar.gz";
+    hash = "sha256-bUq/9cxqqpM66ObBeiJt8PwLZxxDj2lxXUHQn+gfkC8=";
   };
 
   nativeBuildInputs =
@@ -81,4 +81,4 @@ stdenv.mkDerivation rec {
     maintainers = [ ];
     platforms = lib.platforms.unix;
   };
-}
+})