60 lines
2.2 KiB
CMake
60 lines
2.2 KiB
CMake
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# types: DISABLED < RUNTIME < OPTIONAL < RECOMMENDED < REQUIRED
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macro(find_feature _feature _type _purpose _description)
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string(TOUPPER ${_feature} _feature_upper)
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string(TOLOWER ${_type} _type_lower)
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if(${_type} STREQUAL "DISABLED")
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set(_feature_default "OFF")
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message(STATUS "Skipping ${_type_lower} feature ${_feature} for ${_purpose} (${_description})")
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else()
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if(${_type} STREQUAL "REQUIRED")
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set(_feature_default "ON")
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message(STATUS "Finding ${_type_lower} feature ${_feature} for ${_purpose} (${_description})")
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find_package(${_feature} REQUIRED)
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elseif(${_type} STREQUAL "RECOMMENDED")
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if(NOT ${WITH_${_feature_upper}})
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set(_feature_default "OFF")
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message(STATUS "Skipping ${_type_lower} feature ${_feature} for ${_purpose} (${_description})")
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else()
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set(_feature_default "ON")
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message(STATUS "Finding ${_type_lower} feature ${_feature} for ${_purpose} (${_description})")
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message(STATUS " Disable feature ${_feature} using \"-DWITH_${_feature_upper}=OFF\"")
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find_package(${_feature})
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endif()
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elseif(${_type} STREQUAL "OPTIONAL")
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if(${WITH_${_feature_upper}})
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set(_feature_default "ON")
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message(STATUS "Finding ${_type_lower} feature ${_feature} for ${_purpose} (${_description})")
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find_package(${_feature} REQUIRED)
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else()
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set(_feature_default "OFF")
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message(STATUS "Skipping ${_type_lower} feature ${_feature} for ${_purpose} (${_description})")
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message(STATUS " Enable feature ${_feature} using \"-DWITH_${_feature_upper}=ON\"")
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endif()
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else()
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set(_feature_default "ON")
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message(STATUS "Finding ${_type_lower} feature ${_feature} for ${_purpose} (${_description})")
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find_package(${_feature})
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endif()
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if(NOT ${${_feature_upper}_FOUND})
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if(${_feature_default})
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message(WARNING " feature ${_feature} was requested but could not be found! ${_feature_default} / ${${_feature_upper}_FOUND}")
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endif()
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set(_feature_default "OFF")
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endif()
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option(WITH_${_feature_upper} "Enable feature ${_feature} for ${_purpose}" ${_feature_default})
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set_package_properties(${_feature} PROPERTIES
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TYPE ${_type}
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PURPOSE "${_purpose}"
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DESCRIPTION "${_description}")
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endif()
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endmacro(find_feature)
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