98 lines
3.4 KiB
CMake
98 lines
3.4 KiB
CMake
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# Try to find libxcb
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#
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#
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# Once done this will define:
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# LIBXCB_FOUND - True if xcb was found
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# LIBXCB_INCLUDE_DIRS - Directories containing the headers
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# LIBXCB_LIBRARIES - List of libraries to link to
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#
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# Also for each requested component:
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# LIBXCB_${UPPER_COMPONENT_NAME}_FOUND
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# LIBXCB_${UPPER_COMPONENT_NAME}_INCLUDE_DIRS
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# LIBXCB_${UPPER_COMPONENT_NAME}_LIBRARIES
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include(FindPackageHandleStandardArgs)
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IF(NOT WIN32)
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IF(LIBXCB_LIBRARIES AND LIBXCB_INCLUDE_DIR)
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set(XCB_FIND_QUIETLY TRUE)
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ENDIF()
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# Find xcb
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FIND_PATH(LIBXCB_INCLUDE_DIR xcb/xcb.h)
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FIND_LIBRARY(LIBXCB_LIBRARY NAMES xcb libxcb)
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# Add xcb info to LIBXCB_LIBRARIES and LIBXCB_INCLUDE_DIRS
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SET(LIBXCB_LIBRARIES ${LIBXCB_LIBRARY})
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SET(LIBXCB_INCLUDE_DIRS ${LIBXCB_INCLUDE_DIR})
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find_package_handle_standard_args(LIBXCB DEFAULT_MSG
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LIBXCB_LIBRARY LIBXCB_INCLUDE_DIR)
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mark_as_advanced(LIBXCB_LIBRARY LIBXCB_INCLUDE_DIR)
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# Check whether we should search for XLIB_XCB
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set(FIND_XLIB_XCB FALSE)
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FOREACH(XCB_COMPONENT ${XCB_FIND_COMPONENTS})
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# Generate upper string of the component name
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string(TOUPPER ${XCB_COMPONENT} XCB_COMPONENT_UPPER)
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IF(${XCB_COMPONENT_UPPER} MATCHES "XLIB_XCB")
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set(FIND_XLIB_XCB TRUE)
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ELSE()
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# XCB_COMPONENTS is generated to be a copy of XCB_FIND_COMPONENTS
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# without XLIB_XCB (for later component search)
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set(XCB_COMPONENTS ${XCB_COMPONENTS} ${XCB_COMPONENT})
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ENDIF()
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ENDFOREACH()
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# Find XLIB_XCB if requested
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IF(FIND_XLIB_XCB)
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FIND_PATH(XLIB_XCB_INCLUDE_DIR X11/Xlib-xcb.h)
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FIND_LIBRARY(XLIB_XCB_LIBRARY NAMES X11-xcb libX11-xcb)
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SET(XLIB_XCB_LIBRARIES ${XLIB_XCB_LIBRARY})
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SET(XLIB_XCB_INCLUDE_DIRS ${XLIB_XCB_INCLUDE_DIR})
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find_package_handle_standard_args(XLIB_XCB DEFAULT_MSG
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XLIB_XCB_LIBRARY LIBXCB_INCLUDE_DIR)
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mark_as_advanced(XLIB_XCB_LIBRARY XLIB_XCB_INCLUDE_DIR)
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# Add xlib_xcb info to LIBXCB_LIBRARIES and LIBXCB_INCLUDE_DIRS
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set(LIBXCB_LIBRARIES ${LIBXCB_LIBRARIES} ${XLIB_XCB_LIBRARIES})
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set(LIBXCB_INCLUDE_DIRS ${LIBXCB_INCLUDE_DIRS} ${XLIB_XCB_INCLUDE_DIR})
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if(NOT XLIB_XCB_FOUND)
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message(FATAL_ERROR "XlibXcb library not found")
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endif()
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ELSE()
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# Add component name to the component list
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set(${XCB_COMPONENTS} ${XCB_FIND_COMPONENTS})
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ENDIF()
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# Loop through requested xcb components (does not contain xlib_xcb)
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FOREACH(XCB_COMPONENT ${XCB_COMPONENTS})
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# Generate lower and upper string of the component name
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string(TOLOWER ${XCB_COMPONENT} XCB_COMPONENT_LOWER)
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string(TOUPPER ${XCB_COMPONENT} XCB_COMPONENT_UPPER)
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# Find the specific component
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FIND_LIBRARY(LIBXCB_${XCB_COMPONENT_UPPER}_LIBRARY
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NAMES libxcb-${XCB_COMPONENT_LOWER} xcb-${XCB_COMPONENT_LOWER})
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find_package_handle_standard_args(LIBXCB_${XCB_COMPONENT_UPPER} DEFAULT_MSG
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LIBXCB_${XCB_COMPONENT_UPPER}_LIBRARY LIBXCB_INCLUDE_DIR)
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mark_as_advanced(LIBXCB_${XCB_COMPONENT_UPPER}_LIBRARY)
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# Append the component's library path to LIBXCB_LIBRARIES
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set(LIBXCB_LIBRARIES ${LIBXCB_LIBRARIES} ${LIBXCB_${XCB_COMPONENT_UPPER}_LIBRARY})
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if(NOT LIBXCB_${XCB_COMPONENT_UPPER}_FOUND)
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message(FATAL_ERROR "xcb-${XCB_COMPONENT_LOWER} not found")
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endif()
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ENDFOREACH()
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endif()
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