From d9b20088022191794cd8972948014899b8b6264d Mon Sep 17 00:00:00 2001
From: GenericNerdyUsername <genericnerdyusername@proton.me>
Date: Fri, 17 Feb 2023 14:55:46 +0000
Subject: [PATCH] opencascade: remove

https://github.com/tpaviot/oce/issues/745
---
 .../libraries/opencascade/default.nix         | 65 -------------------
 pkgs/top-level/aliases.nix                    |  3 +-
 pkgs/top-level/all-packages.nix               |  3 -
 3 files changed, 2 insertions(+), 69 deletions(-)
 delete mode 100644 pkgs/development/libraries/opencascade/default.nix

diff --git a/pkgs/development/libraries/opencascade/default.nix b/pkgs/development/libraries/opencascade/default.nix
deleted file mode 100644
index 2934558b58752..0000000000000
--- a/pkgs/development/libraries/opencascade/default.nix
+++ /dev/null
@@ -1,65 +0,0 @@
-{ lib, stdenv, fetchFromGitHub, fetchpatch, libGL, libGLU, libXmu, cmake, ninja,
-  pkg-config, fontconfig, freetype, expat, freeimage, vtk_8, gl2ps, tbb,
-  OpenCL, Cocoa
-}:
-
-stdenv.mkDerivation rec {
-  pname = "opencascade-oce";
-  version = "0.18.3";
-
-  src = fetchFromGitHub {
-    owner = "tpaviot";
-    repo = "oce";
-    rev = "OCE-${version}";
-    sha256 = "17wy8dcf44vqisishv1jjf3cmcxyygqq29y9c3wjdj983qi2hsig";
-  };
-
-  nativeBuildInputs = [ cmake ninja pkg-config ];
-  buildInputs = [
-    libGL libGLU libXmu freetype fontconfig expat freeimage vtk_8
-    gl2ps tbb
-  ]
-    ++ lib.optionals stdenv.isDarwin [OpenCL Cocoa]
-  ;
-
-  cmakeFlags = [
-    "-DOCE_INSTALL_PREFIX=${placeholder "out"}"
-    "-DOCE_WITH_FREEIMAGE=ON"
-    "-DOCE_WITH_VTK=ON"
-    "-DOCE_WITH_GL2PS=ON"
-    "-DOCE_MULTITHREAD_LIBRARY=TBB"
-  ]
-  ++ lib.optionals stdenv.isDarwin ["-DOCE_OSX_USE_COCOA=ON" "-DOCE_WITH_OPENCL=ON"];
-
-  patches = [
-    # Use fontconfig instead of hardcoded directory list
-    # https://github.com/tpaviot/oce/pull/714
-    (fetchpatch {
-      url = "https://github.com/tpaviot/oce/commit/9643432b27fec8974ca0ee15c3c372f5fe8fc069.patch";
-      sha256 = "1wd940rszmh5apcpk5fv6126h8mcjcy4rjifrql5d4ac90v06v4c";
-    })
-    # Fix for glibc 2.26
-    (fetchpatch {
-      url = "https://github.com/tpaviot/oce/commit/3b44656e93270d782009b06ec4be84d2a13f8126.patch";
-      sha256 = "1ccakkcwy5g0184m23x0mnh22i0lk45xm8kgiv5z3pl7nh35dh8k";
-    })
-    (fetchpatch {
-      url = "https://github.com/tpaviot/oce/commit/cf50d078cd5fac03a48fd204938bd240930a08dc.patch";
-      sha256 = "1xv94hcvggmb1c8vqwic1aiw9jw1sxk8mqbaak9xs9ycfqdvgdyc";
-    })
-  ];
-
-  postPatch = ''
-    # make sure the installed cmake file uses absolute paths for fontconfig
-    substituteInPlace adm/cmake/TKService/CMakeLists.txt \
-      --replace FONTCONFIG_LIBRARIES FONTCONFIG_LINK_LIBRARIES
-  '';
-
-  meta = with lib; {
-    description = "Open CASCADE Technology, libraries for 3D modeling and numerical simulation";
-    homepage = "https://github.com/tpaviot/oce";
-    maintainers = [ maintainers.viric ];
-    platforms = platforms.unix;
-    license = licenses.lgpl21;
-  };
-}
diff --git a/pkgs/top-level/aliases.nix b/pkgs/top-level/aliases.nix
index a440ec395e513..f02469c4760e7 100644
--- a/pkgs/top-level/aliases.nix
+++ b/pkgs/top-level/aliases.nix
@@ -1230,7 +1230,8 @@ mapAliases ({
   openafs_1_8 = openafs; # Added 2022-08-22
   openbazaar = throw "openbazzar has been removed from nixpkgs as upstream has abandoned the project"; # Added 2022-01-06
   openbazaar-client = throw "openbazzar-client has been removed from nixpkgs as upstream has abandoned the project"; # Added 2022-01-06
-  opencascade_oce = throw "'opencascade_oce' has been renamed to/replaced by 'opencascade'"; # Converted to throw 2022-02-22
+  opencascade_oce = throw "'opencascade' is unmaintained. Instead, use 'opencascade-occt'"; # Modified 2023-02-17
+  opencascade = throw "'opencascade' is unmaintained. Instead, use 'opencascade-occt'"; # Added 2023-02-17
   opencl-icd = throw "'opencl-icd' has been renamed to/replaced by 'ocl-icd'"; # Converted to throw 2022-02-22
   openconnect_head = openconnect_unstable; # Added 2022-03-29
   openconnect_gnutls = openconnect; # Added 2022-03-29
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 76b9acd9b32d5..fac268724e627 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -24309,9 +24309,6 @@ with pkgs;
     python = python3;
   };
 
-  opencascade = callPackage ../development/libraries/opencascade {
-    inherit (darwin.apple_sdk.frameworks) OpenCL Cocoa;
-  };
   opencascade-occt = callPackage ../development/libraries/opencascade-occt { };
 
   opencl-headers = callPackage ../development/libraries/opencl-headers { };