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opencascade-occt: add optional vtk dependency #433252

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Merged
NickCao merged 3 commits into from
Sep 5, 2025
Merged

opencascade-occt: add optional vtk dependency #433252

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3f45d2c
opencascade-occt: add optional vtk dependency
tnytown Aug 14, 2025
6b353e0
opencascade-occt: enable exceptions
tnytown Sep 2, 2025
205d89f
opencascade-occt: use cmakeBool for all bool flags
tnytown Sep 2, 2025
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30 changes: 26 additions & 4 deletions pkgs/by-name/op/opencascade-occt/package.nix
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Original file line number Diff line number Diff line change
Expand Up @@ -13,8 +13,12 @@
libXext,
libXmu,
libXi,
}:
vtk,
withVtk ? false,

# used in passthru.tests
opencascade-occt,
}:
stdenv.mkDerivation rec {
pname = "opencascade-occt";
version = "7.8.1";
Expand All @@ -33,6 +37,10 @@ stdenv.mkDerivation rec {
url = "https://github.com/Open-Cascade-SAS/OCCT/commit/7236e83dcc1e7284e66dc61e612154617ef715d6.diff";
hash = "sha256-NoC2mE3DG78Y0c9UWonx1vmXoU4g5XxFUT3eVXqLU60=";
})

# patch does not apply against 7.9+, it was submitted upstream for future
# inclusion: https://github.com/Open-Cascade-SAS/OCCT/pull/683
./vtk-draw-conditional-glx.patch
];

nativeBuildInputs = [
Expand All @@ -49,10 +57,25 @@ stdenv.mkDerivation rec {
libXmu
libXi
rapidjson
];
]
++ lib.optional withVtk vtk;

NIX_CFLAGS_COMPILE = [ "-fpermissive" ];
cmakeFlags = [ "-DUSE_RAPIDJSON=ON" ];
cmakeFlags = [
(lib.cmakeBool "USE_RAPIDJSON" true)
# Enable exception handling for release builds.
(lib.cmakeBool "BUILD_RELEASE_DISABLE_EXCEPTIONS" false)
]
++ lib.optionals withVtk [
(lib.cmakeBool "USE_VTK" true)
(lib.cmakeFeature "3RDPARTY_VTK_INCLUDE_DIR" "${lib.getDev vtk}/include/vtk")
];

passthru = {
tests = {
withVtk = opencascade-occt.override ({ withVtk = true; });
};
};

meta = with lib; {
description = "Open CASCADE Technology, libraries for 3D modeling and numerical simulation";
Expand All @@ -63,5 +86,4 @@ stdenv.mkDerivation rec {
maintainers = with maintainers; [ amiloradovsky ];
platforms = platforms.all;
};

}
14 changes: 14 additions & 0 deletions pkgs/by-name/op/opencascade-occt/vtk-draw-conditional-glx.patch
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Original file line number Diff line number Diff line change
@@ -0,0 +1,14 @@
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 86905287dc..19214e8f2d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -623,5 +623,9 @@ if (USE_VTK)
add_definitions (-DHAVE_VTK)
set (OCCT_VTK_USED_TARGETS "" CACHE INTERNAL "" FORCE)
OCCT_INCLUDE_CMAKE_FILE ("adm/cmake/vtk")
+ if (DEFINED VTK_USE_X AND NOT VTK_USE_X)
+ message (STATUS "Info: TKIVtkDraw toolkits excluded due to VTK has no glx support")
+ list (REMOVE_ITEM BUILD_TOOLKITS TKIVtkDraw)
+ endif()
else()
OCCT_CHECK_AND_UNSET_GROUP ("3RDPARTY_VTK")
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