60 lines
2.0 KiB
CMake
60 lines
2.0 KiB
CMake
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OCV_OPTION(WITH_TESSERACT "Include Tesseract OCR library support" (NOT CMAKE_CROSSCOMPILING)
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VERIFY HAVE_TESSERACT)
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if(NOT HAVE_TESSERACT
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AND (WITH_TESSERACT OR OPENCV_FIND_TESSERACT)
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)
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if(NOT Tesseract_FOUND)
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find_package(Tesseract QUIET) # Prefer CMake's standard locations (including Tesseract_DIR)
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endif()
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if(NOT Tesseract_FOUND)
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include("${CMAKE_CURRENT_LIST_DIR}/FindTesseract.cmake") # OpenCV's fallback
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endif()
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if(Tesseract_FOUND)
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if(Tesseract_VERSION)
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message(STATUS "Tesseract: YES (ver ${Tesseract_VERSION})")
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else()
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message(STATUS "Tesseract: YES (ver unknown)")
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endif()
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if(NOT ENABLE_CXX11 AND NOT OPENCV_SKIP_TESSERACT_BUILD_CHECK)
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try_compile(__VALID_TESSERACT
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"${OpenCV_BINARY_DIR}/cmake_check/tesseract"
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"${CMAKE_CURRENT_LIST_DIR}/checks/tesseract_test.cpp"
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CMAKE_FLAGS "-DINCLUDE_DIRECTORIES:STRING=${Tesseract_INCLUDE_DIRS}"
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LINK_LIBRARIES ${Tesseract_LIBRARIES}
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OUTPUT_VARIABLE TRY_OUT
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)
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if(NOT __VALID_TESSERACT)
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if(OPENCV_DEBUG_TESSERACT_BUILD)
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message(STATUS "${TRY_OUT}")
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endif()
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message(STATUS "Can't use Tesseract (details: https://github.com/opencv/opencv_contrib/pull/2220)")
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return()
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endif()
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endif()
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set(HAVE_TESSERACT 1)
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set(HAVE_TESSERACT 1)
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# TODO use ocv_add_external_target
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set(name "tesseract")
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set(inc "${Tesseract_INCLUDE_DIRS}")
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set(link "${Tesseract_LIBRARIES}")
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set(def "")
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if(BUILD_SHARED_LIBS)
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set(imp IMPORTED)
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endif()
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add_library(ocv.3rdparty.${name} INTERFACE ${imp})
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set_target_properties(ocv.3rdparty.${name} PROPERTIES
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INTERFACE_INCLUDE_DIRECTORIES "${inc}"
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INTERFACE_SYSTEM_INCLUDE_DIRECTORIES "${inc}"
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INTERFACE_LINK_LIBRARIES "${link}"
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INTERFACE_COMPILE_DEFINITIONS "${def}")
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if(NOT BUILD_SHARED_LIBS)
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install(TARGETS ocv.3rdparty.${name} EXPORT OpenCVModules)
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endif()
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else()
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message(STATUS "Tesseract: NO")
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endif()
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endif()
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