65 lines
2.5 KiB
CMake
65 lines
2.5 KiB
CMake
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# - Find the native gphoto2 includes and library
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#
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# This module defines
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# GPHOTO2_INCLUDE_DIR, where to find libgphoto2 header files
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# GPHOTO2_LIBRARIES, the libraries to link against to use libgphoto2
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# GPHOTO2_FOUND, If false, do not try to use libgphoto2.
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# GPHOTO2_VERSION_STRING, e.g. 2.4.14
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# GPHOTO2_VERSION_MAJOR, e.g. 2
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# GPHOTO2_VERSION_MINOR, e.g. 4
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# GPHOTO2_VERSION_PATCH, e.g. 14
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#
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# also defined, but not for general use are
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# GPHOTO2_LIBRARY, where to find the gphoto2 library.
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#=============================================================================
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# Copyright 2010 henrik andersson
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# From: https://github.com/darktable-org/darktable/blob/master/cmake/modules/FindGphoto2.cmake
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#=============================================================================
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include(FindPkgConfig)
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SET(GPHOTO2_FIND_REQUIRED ${Gphoto2_FIND_REQUIRED})
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find_path(GPHOTO2_INCLUDE_DIR gphoto2/gphoto2.h)
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mark_as_advanced(GPHOTO2_INCLUDE_DIR)
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set(GPHOTO2_NAMES ${GPHOTO2_NAMES} gphoto2 libgphoto2)
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set(GPHOTO2_PORT_NAMES ${GPHOTO2_PORT_NAMES} gphoto2_port libgphoto2_port)
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find_library(GPHOTO2_LIBRARY NAMES ${GPHOTO2_NAMES} )
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find_library(GPHOTO2_PORT_LIBRARY NAMES ${GPHOTO2_PORT_NAMES} )
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mark_as_advanced(GPHOTO2_LIBRARY)
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mark_as_advanced(GPHOTO2_PORT_LIBRARY)
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# Detect libgphoto2 version
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pkg_check_modules(PC_GPHOTO2 libgphoto2)
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if(PC_GPHOTO2_FOUND)
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set(GPHOTO2_VERSION_STRING "${PC_GPHOTO2_VERSION}")
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endif()
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# handle the QUIETLY and REQUIRED arguments and set GPHOTO2_FOUND to TRUE if
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# all listed variables are TRUE
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include(FindPackageHandleStandardArgs)
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find_package_handle_standard_args(GPHOTO2 DEFAULT_MSG GPHOTO2_LIBRARY GPHOTO2_INCLUDE_DIR)
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IF(GPHOTO2_FOUND)
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SET(Gphoto2_LIBRARIES ${GPHOTO2_LIBRARY} ${GPHOTO2_PORT_LIBRARY})
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SET(Gphoto2_INCLUDE_DIRS ${GPHOTO2_INCLUDE_DIR})
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# libgphoto2 dynamically loads and unloads usb library
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# without calling any cleanup functions (since they are absent from libusb-0.1).
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# This leaves usb event handling threads running with invalid callback and return addresses,
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# which causes a crash after any usb event is generated, at least in Mac OS X.
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# libusb1 backend does correctly call exit function, but ATM it crashes anyway.
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# Workaround is to link against libusb so that it wouldn't get unloaded.
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IF(APPLE)
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find_library(USB_LIBRARY NAMES usb-1.0 libusb-1.0)
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mark_as_advanced(USB_LIBRARY)
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IF(USB_LIBRARY)
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SET(Gphoto2_LIBRARIES ${Gphoto2_LIBRARIES} ${USB_LIBRARY})
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ENDIF(USB_LIBRARY)
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ENDIF(APPLE)
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ENDIF(GPHOTO2_FOUND)
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