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Don't explicitly link Python on OS X

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Explicitly linking to a Python framework on OS X prevents modules from
being built against one python (i.e. system python) and imported from
another (i.e. Homebrew python); the interpreter segfaults if there's a
linkage to a foreign python. Building the module with `-undefined
dynamic_lookup` instead of an explicit link allows the symbols to be
resolved at load time from a compatible python.
This commit is contained in:
Tim D. Smith 2015-03-23 23:09:57 -07:00
parent c9bb18b9f7
commit d057828ee3
1 changed files with 5 additions and 1 deletions
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4
modules/python/CMakeLists.txt
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@ -63,9 +63,13 @@ add_custom_command(
add_library(${the_module} SHARED src2/cv2.cpp ${CMAKE_CURRENT_BINARY_DIR}/generated0.i ${cv2_generated_hdrs} src2/cv2.cv.hpp)
if(PYTHON_DEBUG_LIBRARIES AND NOT PYTHON_LIBRARIES MATCHES "optimized.*debug")
target_link_libraries(${the_module} debug ${PYTHON_DEBUG_LIBRARIES} optimized ${PYTHON_LIBRARIES})
else()
if(APPLE)
set_target_properties(${the_module} PROPERTIES LINK_FLAGS "-undefined dynamic_lookup")
else()
target_link_libraries(${the_module} ${PYTHON_LIBRARIES})
endif()
endif()
target_link_libraries(${the_module} ${OPENCV_MODULE_${the_module}_DEPS})
execute_process(COMMAND ${PYTHON_EXECUTABLE} -c "import distutils.sysconfig; print distutils.sysconfig.get_config_var('SO')"