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cmake: eliminate ninja generator warning (CMake 3.10), refactor code

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This commit is contained in:
Alexander Alekhin 2018-01-05 04:42:24 +00:00
parent f0453bd853
commit 59c6661db0
1 changed files with 19 additions and 11 deletions
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30
modules/python/bindings/CMakeLists.txt
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@ -38,15 +38,12 @@ ocv_list_filterout(opencv_hdrs "modules/.*_inl\\\\.h*")
ocv_list_filterout(opencv_hdrs "modules/.*\\\\.details\\\\.h*") ocv_list_filterout(opencv_hdrs "modules/.*\\\\.details\\\\.h*")
ocv_list_filterout(opencv_hdrs "modules/.*/detection_based_tracker\\\\.hpp") # Conditional compilation ocv_list_filterout(opencv_hdrs "modules/.*/detection_based_tracker\\\\.hpp") # Conditional compilation
set(cv2_generated_hdrs set(cv2_generated_files
"${CMAKE_CURRENT_BINARY_DIR}/pyopencv_generated_include.h" "${CMAKE_CURRENT_BINARY_DIR}/pyopencv_generated_include.h"
"${CMAKE_CURRENT_BINARY_DIR}/pyopencv_generated_funcs.h" "${CMAKE_CURRENT_BINARY_DIR}/pyopencv_generated_funcs.h"
"${CMAKE_CURRENT_BINARY_DIR}/pyopencv_generated_types.h" "${CMAKE_CURRENT_BINARY_DIR}/pyopencv_generated_types.h"
"${CMAKE_CURRENT_BINARY_DIR}/pyopencv_generated_type_reg.h" "${CMAKE_CURRENT_BINARY_DIR}/pyopencv_generated_type_reg.h"
"${CMAKE_CURRENT_BINARY_DIR}/pyopencv_generated_ns_reg.h" "${CMAKE_CURRENT_BINARY_DIR}/pyopencv_generated_ns_reg.h"
)
set(cv2_generated_files ${cv2_generated_hdrs}
"${OPENCV_PYTHON_SIGNATURES_FILE}" "${OPENCV_PYTHON_SIGNATURES_FILE}"
) )
@ -54,18 +51,29 @@ string(REPLACE ";" "\n" opencv_hdrs_ "${opencv_hdrs}")
file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/headers.txt" "${opencv_hdrs_}") file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/headers.txt" "${opencv_hdrs_}")
add_custom_command( add_custom_command(
OUTPUT ${cv2_generated_files} OUTPUT ${cv2_generated_files}
COMMAND ${PYTHON_DEFAULT_EXECUTABLE} "${PYTHON_SOURCE_DIR}/src2/gen2.py" ${CMAKE_CURRENT_BINARY_DIR} "${CMAKE_CURRENT_BINARY_DIR}/headers.txt" COMMAND "${PYTHON_DEFAULT_EXECUTABLE}" "${PYTHON_SOURCE_DIR}/src2/gen2.py" "${CMAKE_CURRENT_BINARY_DIR}" "${CMAKE_CURRENT_BINARY_DIR}/headers.txt"
DEPENDS ${PYTHON_SOURCE_DIR}/src2/gen2.py DEPENDS "${PYTHON_SOURCE_DIR}/src2/gen2.py"
DEPENDS ${PYTHON_SOURCE_DIR}/src2/hdr_parser.py "${PYTHON_SOURCE_DIR}/src2/hdr_parser.py"
DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/headers.txt # not a real build dependency (file(WRITE) result): ${CMAKE_CURRENT_BINARY_DIR}/headers.txt
DEPENDS ${opencv_hdrs} ${opencv_hdrs}
COMMENT "Generate files for Python bindings and documentation" COMMENT "Generate files for Python bindings and documentation"
) )
add_custom_target(gen_opencv_python_source DEPENDS ${cv2_generated_files}) add_custom_target(gen_opencv_python_source DEPENDS ${cv2_generated_files})
set(cv2_custom_hdr "${CMAKE_CURRENT_BINARY_DIR}/pyopencv_custom_headers.h") set(cv2_custom_hdr "${CMAKE_CURRENT_BINARY_DIR}/pyopencv_custom_headers.h")
file(WRITE ${cv2_custom_hdr} "//user-defined headers\n") set(cv2_custom_hdr_str "//user-defined headers\n")
foreach(uh ${opencv_userdef_hdrs}) foreach(uh ${opencv_userdef_hdrs})
file(APPEND ${cv2_custom_hdr} "#include \"${uh}\"\n") set(cv2_custom_hdr_str "${cv2_custom_hdr_str}#include \"${uh}\"\n")
endforeach(uh) endforeach(uh)
if(EXISTS "${cv2_custom_hdr}")
file(READ "${cv2_custom_hdr}" __content)
else()
set(__content "")
endif()
if("${__content}" STREQUAL "${cv2_custom_hdr_str}")
# Up-to-date
else()
file(WRITE "${cv2_custom_hdr}" "${cv2_custom_hdr_str}")
endif()
unset(__content)