add openmodelica

nixpkgs/openmodelica.nix

@@ -0,0 +1,94 @@
+{
+  pkgs ? import <nixpkgs> { },
+}:
+let
+  desktopItem = pkgs.makeDesktopItem {
+    name = "openmodelica";
+    desktopName = "OpenModelica Connection Editor";
+    exec = "OMEdit";
+    icon = "openmodelica";
+    categories = [
+      "Development"
+      "Science"
+      "Education"
+    ];
+    comment = "Modelica-based modeling and simulation environment";
+  };
+in
+
+with pkgs;
+stdenv.mkDerivation {
+  name = "openmodelica-bin";
+  version = "custom";
+  src = pkgs.fetchgit {
+    url = "https://github.com/OpenModelica/OpenModelica.git";
+    rev = "959f964dadf1b928f03e3c2f74b8f816f95df1ef";
+    fetchSubmodules = true;
+    sha256 = "sha256-3rFIrg7+t/eX2mq21v9AcYhV3Adloa8Sae9uRGtbyrY=";
+  };
+
+  nativeBuildInputs = with pkgs; [
+    cmake
+    gfortran
+    pkg-config
+    qt6.wrapQtAppsHook
+    autoPatchelfHook
+    flex
+    autoconf
+    automake
+    libtool
+    ninja
+  ];
+
+  configurePhase = ''
+    cmake -S . -B build_cmake -GNinja -DOM_USE_CCACHE=OFF -DCMAKE_INSTALL_LIBDIR=lib -DCMAKE_INSTALL_PREFIX=$out
+  '';
+
+  buildPhase = ''
+    cmake --build build_cmake --parallel $NIX_BUILD_CORES --target install
+  '';
+
+  installPhase = ''
+    cmake --install build_cmake --prefix $out
+    runHook postInstall
+  '';
+
+  postInstall = ''
+    if [ -d "$out/lib64" ]; then
+      mkdir -p $out/lib
+      cp -rn $out/lib64/* $out/lib/
+      rm -rf $out/lib64
+    fi
+
+    mkdir -p $out/share/applications
+    cp ${desktopItem}/share/applications/* $out/share/applications/
+
+    # If you have an icon file in your source, install it too
+    # mkdir -p $out/share/icons/hicolor/scalable/apps
+    # cp $src/path/to/icon.svg $out/share/icons/hicolor/scalable/apps/openmodelica.svg
+  '';
+
+  buildInputs = with pkgs; [
+    # Compilers and Build Tools
+
+    # Dependencies
+    boost
+    hwloc
+    jdk
+    lapack
+    blas
+    hdf5
+    expat
+    omniorb
+    curl
+    ncurses
+    readline
+    openscenegraph
+    qt6.qt5compat
+    qt6.qtbase
+    qt6.qtwebengine
+    qt6.qtdeclarative
+    qt6.qttools
+    lapack-reference
+  ];
+}