1 files changed, 29 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/development/libraries/opencascade-occt/default.nix b/nixpkgs/pkgs/development/libraries/opencascade-occt/default.nix
new file mode 100644
index 000000000000..59c1f0ef7dbc
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/opencascade-occt/default.nix
@@ -0,0 +1,29 @@
+{ lib, stdenv, fetchurl, fetchpatch, cmake, ninja, tcl, tk,
+  libGL, libGLU, libXext, libXmu, libXi, darwin }:
+
+stdenv.mkDerivation rec {
+  pname = "opencascade-occt";
+  version = "7.5.0";
+  commit = "V${builtins.replaceStrings ["."] ["_"] version}";
+
+  src = fetchurl {
+    name = "occt-${commit}.tar.gz";
+    url = "https://git.dev.opencascade.org/gitweb/?p=occt.git;a=snapshot;h=${commit};sf=tgz";
+    sha256 = "0bpzpaqki3k6i7xmhan0f1c1fr05smpcmgrp4vh572j61lwpq1r3";
+  };
+
+  nativeBuildInputs = [ cmake ninja ];
+  buildInputs = [ tcl tk libGL libGLU libXext libXmu libXi ]
+    ++ lib.optional stdenv.isDarwin darwin.apple_sdk.frameworks.Cocoa;
+
+  meta = with lib; {
+    description = "Open CASCADE Technology, libraries for 3D modeling and numerical simulation";
+    homepage = "https://www.opencascade.org/";
+    license = licenses.lgpl21;  # essentially...
+    # The special exception defined in the file OCCT_LGPL_EXCEPTION.txt
+    # are basically about making the license a little less share-alike.
+    maintainers = with maintainers; [ amiloradovsky gebner ];
+    platforms = platforms.all;
+  };
+
+}