mirror of
https://github.com/opencv/opencv.git
synced 2024-11-27 20:50:25 +08:00
118 lines
3.8 KiB
CMake
118 lines
3.8 KiB
CMake
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# Search packages for host system instead of packages for target system
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# in case of cross compilation thess macro should be defined by toolchain file
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if(NOT COMMAND find_host_package)
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macro(find_host_package)
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find_package(${ARGN})
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endmacro()
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endif()
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if(NOT COMMAND find_host_program)
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macro(find_host_program)
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find_program(${ARGN})
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endmacro()
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endif()
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# Provides an option that the user can optionally select.
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# Can accept condition to control when option is available for user.
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# Usage:
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# option(<option_variable> "help string describing option" <initial value> [IF <condition>])
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macro(OCV_OPTION variable description value)
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SET(__condition ${ARGN})
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if("${__condition}" STREQUAL "")
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SET(__condition 1)
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endif()
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list(REMOVE_ITEM __condition "IF" "if")
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if(${__condition})
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OPTION(${variable} "${description}" ${value})
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else()
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UNSET(${variable} CACHE)
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endif()
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UNSET(__condition)
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endmacro()
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# Macros that checks if module have been installed.
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# After it adds module to build and define
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# constants passed as second arg
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macro(CHECK_MODULE module_name define)
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set(${define} 0)
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if(PKG_CONFIG_FOUND)
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set(ALIAS ALIASOF_${module_name})
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set(ALIAS_FOUND ${ALIAS}_FOUND)
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set(ALIAS_INCLUDE_DIRS ${ALIAS}_INCLUDE_DIRS)
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set(ALIAS_LIBRARY_DIRS ${ALIAS}_LIBRARY_DIRS)
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set(ALIAS_LIBRARIES ${ALIAS}_LIBRARIES)
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PKG_CHECK_MODULES(${ALIAS} ${module_name})
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if (${ALIAS_FOUND})
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set(${define} 1)
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foreach(P "${ALIAS_INCLUDE_DIRS}")
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if (${P})
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list(APPEND HIGHGUI_INCLUDE_DIRS ${${P}})
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endif()
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endforeach()
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foreach(P "${ALIAS_LIBRARY_DIRS}")
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if (${P})
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list(APPEND HIGHGUI_LIBRARY_DIRS ${${P}})
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endif()
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endforeach()
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list(APPEND HIGHGUI_LIBRARIES ${${ALIAS_LIBRARIES}})
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endif()
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endif()
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endmacro()
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# Status report macro.
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# Automatically align right column and selects text based on condition.
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# Usage:
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# status(<text>)
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# status(<heading> <value1> [<value2> ...])
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# status(<heading> <condition> THEN <text for TRUE> ELSE <text for FALSE> )
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macro(status text)
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SET(status_cond)
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SET(status_then)
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SET(status_else)
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SET(status_current_name "cond")
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foreach(arg ${ARGN})
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if(arg STREQUAL "THEN")
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SET(status_current_name "then")
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elseif(arg STREQUAL "ELSE")
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SET(status_current_name "else")
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else()
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LIST(APPEND status_${status_current_name} ${arg})
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endif()
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endforeach()
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if(DEFINED status_cond)
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SET(status_placeholder_length 32)
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string(RANDOM LENGTH ${status_placeholder_length} ALPHABET " " status_placeholder)
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string(LENGTH "${text}" status_text_length)
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if (status_text_length LESS status_placeholder_length)
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string(SUBSTRING "${text}${status_placeholder}" 0 ${status_placeholder_length} status_text)
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elseif (DEFINED status_then OR DEFINED status_else)
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message(STATUS "${text}")
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SET(status_text "${status_placeholder}")
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else()
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SET(status_text "${text}")
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endif()
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if (DEFINED status_then OR DEFINED status_else)
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if(${status_cond})
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string(REPLACE ";" " " status_then "${status_then}")
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message(STATUS "${status_text}" "${status_then}")
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else()
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string(REPLACE ";" " " status_else "${status_else}")
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message(STATUS "${status_text}" "${status_else}")
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endif()
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else()
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string(REPLACE ";" " " status_cond "${status_cond}")
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message(STATUS "${status_text}" "${status_cond}")
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endif()
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else()
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message(STATUS "${text}")
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endif()
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endmacro()
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