scipopt-gcg: init at 3.7.1

pkgs/by-name/sc/scipopt-gcg/package.nix

@@ -0,0 +1,65 @@
+{
+  lib,
+  pkgs,
+  stdenv,
+  fetchFromGitHub,
+  cmake,
+  scipopt-scip,
+  cliquer,
+  gsl,
+  gmp,
+  bliss,
+  nauty,
+}:
+
+stdenv.mkDerivation rec {
+  pname = "scipopt-gcg";
+  version = "371";
+
+  # To correlate scipVersion and version, check: https://scipopt.org/#news
+  scipVersion = "9.2.1";
+
+  src = fetchFromGitHub {
+    owner = "scipopt";
+    repo = "gcg";
+    tag = "v${version}";
+    hash = "sha256-+rD8tGE49Irg9xZTD3Ay87ISSeRI4kbBpCj5ppyENbo=";
+  };
+
+  nativeBuildInputs = [
+    cmake
+  ];
+
+  buildInputs = [
+    scipopt-scip
+    cliquer
+    gsl
+    gmp
+    bliss
+    nauty
+  ];
+
+  # Fixing the error
+  #   > CMake Error at CMakeLists.txt:236 (find_package):
+  #   >   By not providing "FindNAUTY.cmake" in CMAKE_MODULE_PATH this project has
+  #   >   asked CMake to find a package configuration file provided by "NAUTY", but
+  #   >   CMake did not find one.
+  # with this weird workaround of setting SCIPOptSuite_SOURCE_DIR to include the scipopt-scip source
+  # files via symlinks, so the specific nauty files are found:
+  preConfigure = ''
+    mkdir -pv $out/scip
+    ln -sv ${scipopt-scip.src}/src/ $out/scip/src
+    cmakeFlagsArray+=(
+      "-DSCIPOptSuite_SOURCE_DIR=$out"
+    )
+  '';
+  doCheck = true;
+  meta = {
+    maintainers = with lib.maintainers; [ fettgoenner ];
+    changelog = "https://scipopt.org/doc-${scipVersion}/html/RN${lib.versions.major scipVersion}.php";
+    description = "Branch-and-Price & Column Generation for Everyone";
+    license = lib.licenses.lgpl3Plus;
+    homepage = "https://gcg.zib.de";
+    mainProgram = "gcg";
+  };
+}