1 files changed, 10 insertions, 17 deletions
diff --git a/nixpkgs/pkgs/applications/science/math/gurobi/default.nix b/nixpkgs/pkgs/applications/science/math/gurobi/default.nix
index 2bfeaa005687..91ee7c1c65e0 100644
--- a/nixpkgs/pkgs/applications/science/math/gurobi/default.nix
+++ b/nixpkgs/pkgs/applications/science/math/gurobi/default.nix
@@ -1,35 +1,28 @@
-{ stdenv, lib, fetchurl, autoPatchelfHook, python2 }:
+{ stdenv, lib, fetchurl, autoPatchelfHook, python3 }:
 
-let
-  majorVersion = "8.1";
-in stdenv.mkDerivation rec {
+stdenv.mkDerivation rec {
   pname = "gurobi";
-  version = "${majorVersion}.0";
+  version = "9.1.2";
 
-  src = with lib; fetchurl {
-    url = "http://packages.gurobi.com/${versions.majorMinor version}/gurobi${version}_linux64.tar.gz";
-    sha256 = "1yjqbzqnq4jjkjm616d36bgd3rmqr0a1ii17n0prpdjzmdlq63dz";
+  src = fetchurl {
+    url = "https://packages.gurobi.com/${lib.versions.majorMinor version}/gurobi${version}_linux64.tar.gz";
+    sha256 = "7f60bd675f79476bb2b32cd632aa1d470f8246f2b033b7652d8de86f6e7e429b";
   };
 
   sourceRoot = "gurobi${builtins.replaceStrings ["."] [""] version}/linux64";
 
   nativeBuildInputs = [ autoPatchelfHook ];
-  buildInputs = [ (python2.withPackages (ps: [ ps.gurobipy ])) ];
+  buildInputs = [ (python3.withPackages (ps: [ ps.gurobipy ])) ];
 
   strictDeps = true;
 
-  buildPhase = ''
-    cd src/build
-    make
-    cd ../..
-  '';
+  makeFlags = [ "--directory=src/build" ];
 
   installPhase = ''
     mkdir -p $out/bin
     cp bin/* $out/bin/
-    rm $out/bin/gurobi.env
     rm $out/bin/gurobi.sh
-    rm $out/bin/python2.7
+    rm $out/bin/python*
 
     cp lib/gurobi.py $out/bin/gurobi.sh
 
@@ -48,7 +41,7 @@ in stdenv.mkDerivation rec {
     ln -s $out/lib/gurobi-javadoc.jar $out/share/java/
   '';
 
-  passthru.libSuffix = lib.replaceStrings ["."] [""] majorVersion;
+  passthru.libSuffix = lib.replaceStrings [ "." ] [ "" ] (lib.versions.majorMinor version);
 
   meta = with lib; {
     description = "Optimization solver for mathematical programming";