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cmake - build without Python libraries on Unix

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This commit is contained in:
Andrej730
2025-10-23 12:21:11 +05:00
parent 5be1858767
commit c8a4f1bbd2
3 changed files with 23 additions and 58 deletions
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src/ifcwrap/CMakeLists.txt
+11 -7
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@@ -46,17 +46,20 @@ IF(NOT "${PYTHON_LIBRARY}" STREQUAL "")
MESSAGE(STATUS "Looking for Python library file in: ${Python_LIBRARY}")
ENDIF()
# NOTE PYTHONLIBS_FOUND and PYTHONINTERP_FOUND cannot seem to be trusted so
# we need further checks to see whether the packages were actually found or not.
FIND_PACKAGE(Python COMPONENTS Development)
IF(NOT Python_Development_FOUND)
# Development.Module = headers on Unix, headers+libraries on Windows.
# Required variables:
# - Windows - Python_INCLUDE_DIR, Python_LIBRARY (MSVC doesn't allow undefined symbols at link time)
# - Unix - Python_INCLUDE_DIR
# Unfortunately all paths must be always provided explicitly, not by prefixing PATH.
# Otherwise FindPython will break on newer Python versions (list of supported versions is hardcoded).
find_package(Python COMPONENTS Development.Module)
IF(NOT Python_Development.Module_FOUND)
MESSAGE(FATAL_ERROR "BUILD_IFCPYTHON enabled, but unable to find Python lib or header. Disable BUILD_IFCPYTHON or fix Python paths to proceed.")
ENDIF()
# Ensure version is saved here, from wasm libraries,
# not from Python interpreter that might be unrelated to pyodide Python version.
set(_python_libs_version "${Python_VERSION_MAJOR}${Python_VERSION_MINOR}")
INCLUDE_DIRECTORIES(${Python_INCLUDE_DIRS})
INCLUDE_DIRECTORIES(BEFORE ${CMAKE_CURRENT_SOURCE_DIR})
SET(CMAKE_SWIG_FLAGS ${SWIG_DEFINES})
@@ -90,6 +93,7 @@ SET_PROPERTY(
set(SWIG_MODULE_ifcopenshell_wrapper_EXTRA_FLAGS "-interface" "_ifcopenshell_wrapper")
swig_add_library(ifcopenshell_wrapper LANGUAGE python SOURCES IfcPython.i)
swig_link_libraries(ifcopenshell_wrapper PRIVATE Python::Module)
SET_PROPERTY(TARGET ${SWIG_MODULE_ifcopenshell_wrapper_REAL_NAME} PROPERTY SWIG_DEPENDS ${IFCOPENSHELL_LIBRARIES})
if (WASM_BUILD)
# SIDE_MODULE=1 - add to .so all symbols from linked archives (default used by pyodide).
@@ -113,9 +117,9 @@ if (WASM_BUILD)
endif()
if("$ENV{LDFLAGS}" MATCHES ".undefined.suppress")
# On osx there is some state in the python dylib. With `-Wl,undefined,suppress` we can ignore the missing symbols at compile time.
SWIG_LINK_LIBRARIES(ifcopenshell_wrapper ${IFCOPENSHELL_LIBRARIES} ${OPENCASCADE_LIBRARIES} ${Boost_LIBRARIES} ${LIBSVGFILL})
swig_link_libraries(ifcopenshell_wrapper PRIVATE ${IFCOPENSHELL_LIBRARIES} ${OPENCASCADE_LIBRARIES} ${Boost_LIBRARIES} ${LIBSVGFILL})
else()
SWIG_LINK_LIBRARIES(ifcopenshell_wrapper ${IFCOPENSHELL_LIBRARIES} ${Python_LIBRARIES} ${LIBSVGFILL})
swig_link_libraries(ifcopenshell_wrapper PRIVATE ${IFCOPENSHELL_LIBRARIES} ${LIBSVGFILL})
endif()
if ((NOT WIN32) AND BUILD_SHARED_LIBS)
SET_INSTALL_RPATHS(${SWIG_MODULE_ifcopenshell_wrapper_REAL_NAME} "${IFCDIRS};${OCC_LIBRARY_DIR}")