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ifcwrap cmake - migrate to FindPython

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Also simplify run-cmake to just prefix the path, instead of providing 3 paths explicitly.
This commit is contained in:
Andrej730
2025-10-06 16:29:09 +05:00
parent 71fa002707
commit 0a5388f386
4 changed files with 41 additions and 33 deletions
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src/ifcwrap/CMakeLists.txt
+27 -23
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@@ -35,23 +35,25 @@ ENDIF()
include(GNUInstallDirs)
INCLUDE(${SWIG_USE_FILE})
IF(NOT "$ENV{PYTHON_INCLUDE_DIR}" STREQUAL "")
SET(PYTHON_INCLUDE_DIR $ENV{PYTHON_INCLUDE_DIR} CACHE FILEPATH "Python header files")
MESSAGE(STATUS "Looking for Python header files in: ${PYTHON_INCLUDE_DIR}")
IF(NOT "${PYTHON_INCLUDE_DIR}" STREQUAL "")
# Hint for FindPython where to find Python_INCLUDE_DIRS.
set(Python_INCLUDE_DIR "${PYTHON_INCLUDE_DIR}")
MESSAGE(STATUS "Looking for Python header files in: ${Python_INCLUDE_DIR}")
ENDIF()
IF(NOT "$ENV{PYTHON_LIBRARY}" STREQUAL "")
SET(PYTHON_LIBRARY $ENV{PYTHON_LIBRARY} CACHE FILEPATH "Python library file")
MESSAGE(STATUS "Looking for Python library file in: ${PYTHON_LIBRARY}")
IF(NOT "${PYTHON_LIBRARY}" STREQUAL "")
# Hint for FindPython where to find Python_LIBRARIES.
set(Python_LIBRARY "${PYTHON_LIBRARY}")
MESSAGE(STATUS "Looking for Python library file in: ${Python_LIBRARY}")
ENDIF()
# NOTE PYTHONLIBS_FOUND and PYTHONINTERP_FOUND cannot seem to be trusted so
# we need further checks to see whether the packages were actually found or not.
FIND_PACKAGE(PythonLibs)
IF(NOT PYTHONLIBS_FOUND OR "$PYTHON_INCLUDE_DIRS}" STREQUAL "")
FIND_PACKAGE(Python COMPONENTS Development)
IF(NOT Python_Development_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()
INCLUDE_DIRECTORIES(${PYTHON_INCLUDE_DIRS})
INCLUDE_DIRECTORIES(${Python_INCLUDE_DIRS})
INCLUDE_DIRECTORIES(BEFORE ${CMAKE_CURRENT_SOURCE_DIR})
SET(CMAKE_SWIG_FLAGS ${SWIG_DEFINES})
@@ -90,7 +92,7 @@ if("$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})
else()
SWIG_LINK_LIBRARIES(ifcopenshell_wrapper ${IFCOPENSHELL_LIBRARIES} ${PYTHON_LIBRARIES} ${LIBSVGFILL})
SWIG_LINK_LIBRARIES(ifcopenshell_wrapper ${IFCOPENSHELL_LIBRARIES} ${Python_LIBRARIES} ${LIBSVGFILL})
endif()
if ((NOT WIN32) AND BUILD_SHARED_LIBS)
SET_INSTALL_RPATHS(${SWIG_MODULE_ifcopenshell_wrapper_REAL_NAME} "${IFCDIRS};${OCC_LIBRARY_DIR}")
@@ -98,17 +100,21 @@ endif()
# Try to find the Python interpreter to get the site-packages
# directory in which the wrapper can be installed.
FIND_PACKAGE(PythonInterp)
IF((PYTHONINTERP_FOUND AND NOT "${PYTHON_EXECUTABLE}" STREQUAL "") OR PYTHON_MODULE_INSTALL_DIR)
if(NOT ${PYTHON_EXECUTABLE} STREQUAL "")
set(Python_EXECUTABLE "${PYTHON_EXECUTABLE}")
MESSAGE(STATUS "Looking for Python interpreter in: ${PYTHON_EXECUTABLE}")
endif()
FIND_PACKAGE(Python COMPONENTS Interpreter)
IF(Python_Interpreter_FOUND OR PYTHON_MODULE_INSTALL_DIR)
if (NOT WASM_BUILD)
# Find Python interpreter and get its version
# Not on WASM because we're cross compiling in that case
EXECUTE_PROCESS(
COMMAND ${PYTHON_EXECUTABLE} -c "import sysconfig; print(sysconfig.get_config_var('EXT_SUFFIX'))"
OUTPUT_VARIABLE PYTHON_EXTENSION_SUFFIX
OUTPUT_STRIP_TRAILING_WHITESPACE
)
#
# Python_SOABI example value is 'cp311-win_amd64'.
if(WIN32)
set(PYTHON_EXTENSION_SUFFIX ".${Python_SOABI}.pyd")
else()
set(PYTHON_EXTENSION_SUFFIX ".${Python_SOABI}.so")
endif()
# On Windows there is '_d' prefix for debug builds - e.g. `_d.cp311-win_amd64.pyd`.
if(CMAKE_SYSTEM_NAME STREQUAL "Windows")
set_target_properties(
@@ -133,10 +139,7 @@ IF((PYTHONINTERP_FOUND AND NOT "${PYTHON_EXECUTABLE}" STREQUAL "") OR PYTHON_MOD
OUTPUT_VARIABLE python_package_dir
)
ELSE ()
EXECUTE_PROCESS(
COMMAND ${PYTHON_EXECUTABLE} -c "import sys; import sysconfig; sys.stdout.write(sysconfig.get_path('platlib'))"
OUTPUT_VARIABLE python_package_dir
)
set(python_package_dir "${Python_SITEARCH}")
ENDIF()
if (BUILD_PACKAGE)
set(python_package_dir ${CMAKE_INSTALL_LIBDIR}/python${PYTHON_VERSION_MAJOR}/dist-packages/)
@@ -145,6 +148,7 @@ IF((PYTHONINTERP_FOUND AND NOT "${PYTHON_EXECUTABLE}" STREQUAL "") OR PYTHON_MOD
IF("${python_package_dir}" STREQUAL "")
MESSAGE(WARNING "Unable to locate Python site-package directory, unable to install the Python wrapper")
ELSE()
message(STATUS "Python wrapper will be installed to '${python_package_dir}'.")
FILE(GLOB_RECURSE sourcefiles
"${CMAKE_CURRENT_SOURCE_DIR}/../ifcopenshell-python/ifcopenshell/*"
)