stroblme
153f2e4cca
Four mechanical binding edits; the bound Python surface is unchanged (sigdiff compared the 7.9.3.1 dump against 8.0.1.1's in both directions and found no class, member or constructor arity moved), so the app needs no change. - NCollection_Utf8String is gone; NCollection_String is the same UTF-8 type. Python name kept, since the app imports it. - Standard_Failure lost its Standard_Transient RTTI when it moved to deriving std::exception; ExceptionType() replaced DynamicType()->Name() and returns the same class names the exception dispatch keys on. - FindKey gained a size_t overload beside the int one, so the plain member pointer is ambiguous; overload_cast picks the int form, which keeps the negative-index guard. - StdPrs moved from TKService to TKV3d, so CMakeLists links both. The byte-identity fixtures did NOT retire, contrary to the watchlist: all six round-trip to the same digests under the new kernel, as do the measurement, history and mesh-count blocks, so tests/data is untouched and the app's content-addressed BREP payloads stay valid. Gates: binding suite 83 passed, 138/138 symbols, sigdiff clean both directions, ASAN clean, app suite 1798 passed / 1 skipped (unchanged), sweep over 4486 parts with anchors_digest and every status unchanged, -m perf 16% faster on the 32-feature chain.
87 lines
2.7 KiB
CMake
87 lines
2.7 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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# Inc 3
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TKXSBase # XSControl, Interface, IFSelect
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TKDESTEP # STEPControl
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TKDEIGES # IGESControl, IGESData
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TKDESTL # RWStl
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# Inc 4 — the BRep font/text builders. OCCT 8.0 moved the StdPrs package
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# from TKService to TKV3d (Font_BRepFont is now the typedef of
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# StdPrs_BRepFont, not the other way round), so both are needed. The builder
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# image asserts each links without libGL/libX11, so this costs the runtime
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# image nothing.
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TKService
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TKV3d
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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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