diff options
Diffstat (limited to 'cmake/FindFeature.cmake')
| -rw-r--r-- | cmake/FindFeature.cmake | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/cmake/FindFeature.cmake b/cmake/FindFeature.cmake new file mode 100644 index 000000000..783971b94 --- /dev/null +++ b/cmake/FindFeature.cmake @@ -0,0 +1,59 @@ + +# types: DISABLED < RUNTIME < OPTIONAL < RECOMMENDED < REQUIRED + +macro(find_feature _feature _type _purpose _description) + + string(TOUPPER ${_feature} _feature_upper) + string(TOLOWER ${_type} _type_lower) + + if(${_type} STREQUAL "DISABLED") + set(_feature_default "OFF") + message(STATUS "Skipping ${_type_lower} feature ${_feature} for ${_purpose} (${_description})") + else() + if(${_type} STREQUAL "REQUIRED") + set(_feature_default "ON") + message(STATUS "Finding ${_type_lower} feature ${_feature} for ${_purpose} (${_description})") + find_package(${_feature} REQUIRED) + elseif(${_type} STREQUAL "RECOMMENDED") + if(NOT ${WITH_${_feature_upper}}) + set(_feature_default "OFF") + message(STATUS "Skipping ${_type_lower} feature ${_feature} for ${_purpose} (${_description})") + else() + set(_feature_default "ON") + message(STATUS "Finding ${_type_lower} feature ${_feature} for ${_purpose} (${_description})") + message(STATUS " Disable feature ${_feature} using \"-DWITH_${_feature_upper}=OFF\"") + find_package(${_feature}) + endif() + elseif(${_type} STREQUAL "OPTIONAL") + if(${WITH_${_feature_upper}}) + set(_feature_default "ON") + message(STATUS "Finding ${_type_lower} feature ${_feature} for ${_purpose} (${_description})") + find_package(${_feature} REQUIRED) + else() + set(_feature_default "OFF") + message(STATUS "Skipping ${_type_lower} feature ${_feature} for ${_purpose} (${_description})") + message(STATUS " Enable feature ${_feature} using \"-DWITH_${_feature_upper}=ON\"") + endif() + else() + set(_feature_default "ON") + message(STATUS "Finding ${_type_lower} feature ${_feature} for ${_purpose} (${_description})") + find_package(${_feature}) + endif() + + + if(NOT ${${_feature_upper}_FOUND}) + if(${_feature_default}) + message(WARNING " feature ${_feature} was requested but could not be found! ${_feature_default} / ${${_feature_upper}_FOUND}") + endif() + set(_feature_default "OFF") + endif() + + option(WITH_${_feature_upper} "Enable feature ${_feature} for ${_purpose}" ${_feature_default}) + + set_package_properties(${_feature} PROPERTIES + TYPE ${_type} + PURPOSE "${_purpose}" + DESCRIPTION "${_description}") + endif() +endmacro(find_feature) + |