stroblme
0ce43a94aa
119 of the app's 138 symbols now resolve; only the I/O modules and the Inc 4 tail are left. New: GCE2d, GCPnts, BRepFilletAPI, BRepOffsetAPI, ShapeAnalysis, ShapeFix, ShapeUpgrade, BRepCheck, BRepTools, BRepLib, BRepExtrema, BRepClass3d, IntCurvesFace, plus TopTools_HSequenceOfShape. The fillet and chamfer builders derive BRepBuilderAPI_MakeShape, so their history comes from the base bound in Inc 1 — which is what lets the app read a blend's provenance the same way it reads a boolean's. The Inc 2 gate compares that history exactly, alongside the splitter's, which is what sketch-region attribution depends on. Two shapes of deviation, both commented where they are bound: - Trailing enum arguments are left off four constructors (fillet's ChFi3d_FilletShape, MakeThickSolidByJoin's mode/join pair, BRepExtrema's Extrema flags, and Inc 1's GeomAPI_ProjectPointOnSurf). An unregistered enum cannot serve as a default argument — nanobind converts defaults at binding time, so it fails the whole module's import with std::bad_cast. The app never overrides any of them, so OCCT's own defaults apply and behaviour is unchanged. - ShapeAnalysis_FreeBounds.ConnectEdgesToWires reassigns a Handle& out parameter, which the caster cannot honour because it hands C++ a copy of the handle. The lambda splices the result into the sequence the caller passed, so the pass-empty-then-read shape the app uses still works. This is the one place upstream's holder semantics and ours differ observably. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01DfriM8XUkn7uYf5Dwe2xo6
75 lines
2.3 KiB
CMake
75 lines
2.3 KiB
CMake
cmake_minimum_required(VERSION 3.20)
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project(n3xd_ocp LANGUAGES CXX)
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set(CMAKE_CXX_STANDARD 17)
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set(CMAKE_CXX_STANDARD_REQUIRED ON)
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if(NOT CMAKE_BUILD_TYPE)
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set(CMAKE_BUILD_TYPE Release)
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endif()
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# Match the kernel's flags: -O2, no fast-math, no -march=native. OCCT's
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# version is a determinism input for assay's committed goldens, so the binding
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# has no business introducing a different FP contract than the kernel it wraps.
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set(CMAKE_CXX_FLAGS_RELEASE "-O2 -DNDEBUG")
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find_package(Python 3.12 REQUIRED
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COMPONENTS Interpreter Development.Module Development.SABIModule)
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find_package(nanobind CONFIG REQUIRED)
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find_package(OpenCASCADE REQUIRED)
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# The version scheme is enforced, not merely conventional: a wheel labelled
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# 7.9.3.N must actually wrap OCCT 7.9.3.
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set(_occt_ver "${OpenCASCADE_MAJOR_VERSION}.${OpenCASCADE_MINOR_VERSION}.${OpenCASCADE_MAINTENANCE_VERSION}")
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if(DEFINED SKBUILD_PROJECT_VERSION)
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if(NOT SKBUILD_PROJECT_VERSION MATCHES "^${_occt_ver}\\.")
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message(FATAL_ERROR
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"Version '${SKBUILD_PROJECT_VERSION}' does not match the OCCT found "
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"(${_occt_ver}). The scheme is <occt-version>.N — see pyproject.toml.")
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endif()
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endif()
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message(STATUS "Building n3xd-ocp against OCCT ${_occt_ver}")
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file(GLOB OCP_MODULE_SOURCES CONFIGURE_DEPENDS "src/modules/*.cpp")
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file(GLOB OCP_EXT_SOURCES CONFIGURE_DEPENDS "src/ext/*.cpp")
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nanobind_add_module(_OCP
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STABLE_ABI
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NB_STATIC
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src/core.cpp
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src/common/occt_module.cpp
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src/common/occt_exceptions.cpp
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${OCP_MODULE_SOURCES}
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${OCP_EXT_SOURCES}
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)
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target_include_directories(_OCP PRIVATE ${OpenCASCADE_INCLUDE_DIR})
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# Only the toolkits the bound surface actually reaches. Grows with each
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# coverage increment; auditwheel bundles whatever the linker records.
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target_link_libraries(_OCP PRIVATE
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TKernel
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TKMath
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TKG2d
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TKG3d
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TKGeomBase
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TKBRep
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TKTopAlgo
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# Inc 1
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TKGeomAlgo # GeomAPI, GCPnts
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TKPrim # BRepPrimAPI
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TKBO # BRepAlgoAPI, BOPAlgo
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TKMesh # BRepMesh
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# Inc 2
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TKFillet # BRepFilletAPI
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TKOffset # BRepOffsetAPI
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TKShHealing # ShapeFix, ShapeAnalysis, ShapeUpgrade
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TKBool # BRepAlgo helpers pulled in by the above
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)
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target_compile_definitions(_OCP PRIVATE
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N3XD_OCP_VERSION="${SKBUILD_PROJECT_VERSION}"
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)
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install(TARGETS _OCP LIBRARY DESTINATION OCP)
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