99 lines
4.6 KiB
CMake
99 lines
4.6 KiB
CMake
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include(CMakeParseArguments)
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function(find_pkg_config_with_fallback name)
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cmake_parse_arguments(ARGS "" "PKG_CONFIG_NAME" "LIB_NAMES;LIB_DIR_HINTS;INCLUDE_NAMES;INCLUDE_DIR_PATHS;INCLUDE_DIR_HINTS;INCLUDE_DIR_SUFFIXES;DEPENDS" ${ARGN})
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set(${name}_PKG_CONFIG_NAME ${ARGS_PKG_CONFIG_NAME} PARENT_SCOPE)
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find_package(PkgConfig)
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if(PKG_CONFIG_FOUND)
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pkg_search_module(${name}_PKG_CONFIG QUIET ${ARGS_PKG_CONFIG_NAME})
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endif(PKG_CONFIG_FOUND)
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if (${name}_PKG_CONFIG_FOUND)
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# Found via pkg-config, using it's result values
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set(${name}_FOUND ${${name}_PKG_CONFIG_FOUND})
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# Try to find real file name of libraries
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foreach(lib ${${name}_PKG_CONFIG_LIBRARIES})
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find_library(LIB_NAME_${lib} ${lib} HINTS ${${name}_PKG_CONFIG_LIBRARY_DIRS})
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if(NOT LIB_NAME_${lib})
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unset(${name}_FOUND)
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endif(NOT LIB_NAME_${lib})
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endforeach(lib)
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if(${name}_FOUND)
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set(${name}_LIBRARIES "")
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foreach(lib ${${name}_PKG_CONFIG_LIBRARIES})
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list(APPEND ${name}_LIBRARIES ${LIB_NAME_${lib}})
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endforeach(lib)
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list(REMOVE_DUPLICATES ${name}_LIBRARIES)
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set(${name}_LIBRARIES ${${name}_LIBRARIES} PARENT_SCOPE)
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list(GET ${name}_LIBRARIES "0" ${name}_LIBRARY)
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set(${name}_FOUND ${${name}_FOUND} PARENT_SCOPE)
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set(${name}_INCLUDE_DIRS ${${name}_PKG_CONFIG_INCLUDE_DIRS} PARENT_SCOPE)
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set(${name}_LIBRARIES ${${name}_PKG_CONFIG_LIBRARIES} PARENT_SCOPE)
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set(${name}_LIBRARY ${${name}_LIBRARY} PARENT_SCOPE)
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set(${name}_VERSION ${${name}_PKG_CONFIG_VERSION} PARENT_SCOPE)
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if(NOT TARGET ${ARGS_PKG_CONFIG_NAME})
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add_library(${ARGS_PKG_CONFIG_NAME} INTERFACE IMPORTED)
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set_property(TARGET ${ARGS_PKG_CONFIG_NAME} PROPERTY INTERFACE_COMPILE_OPTIONS "${${name}_PKG_CONFIG_CFLAGS_OTHER}")
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set_property(TARGET ${ARGS_PKG_CONFIG_NAME} PROPERTY INTERFACE_INCLUDE_DIRECTORIES "${${name}_PKG_CONFIG_INCLUDE_DIRS}")
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set_property(TARGET ${ARGS_PKG_CONFIG_NAME} PROPERTY INTERFACE_LINK_LIBRARIES "${${name}_LIBRARIES}")
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endif(NOT TARGET ${ARGS_PKG_CONFIG_NAME})
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endif(${name}_FOUND)
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else(${name}_PKG_CONFIG_FOUND)
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# No success with pkg-config, try via find_library on all lib_names
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set(${name}_FOUND "1")
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foreach(lib ${ARGS_LIB_NAMES})
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find_library(LIB_NAME_${lib} ${ARGS_LIB_NAMES} HINTS ${ARGS_LIB_DIR_HINTS})
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if(NOT LIB_NAME_${lib})
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unset(${name}_FOUND)
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endif(NOT LIB_NAME_${lib})
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endforeach(lib)
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foreach(inc ${ARGS_INCLUDE_NAMES})
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find_path(INCLUDE_PATH_${inc} ${inc} HINTS ${ARGS_INCLUDE_DIR_HINTS} PATHS ${ARGS_INCLUDE_DIR_PATHS} PATH_SUFFIXES ${ARGS_INCLUDE_DIR_SUFFIXES})
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if(NOT INCLUDE_PATH_${inc})
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unset(${name}_FOUND)
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endif(NOT INCLUDE_PATH_${inc})
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endforeach(inc)
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if(${name}_FOUND)
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set(${name}_LIBRARIES "")
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set(${name}_INCLUDE_DIRS "")
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foreach(lib ${ARGS_LIB_NAMES})
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list(APPEND ${name}_LIBRARIES ${LIB_NAME_${lib}})
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endforeach(lib)
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foreach(inc ${ARGS_INCLUDE_NAMES})
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list(APPEND ${name}_INCLUDE_DIRS ${INCLUDE_PATH_${inc}})
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endforeach(inc)
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list(GET ${name}_LIBRARIES "0" ${name}_LIBRARY)
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foreach(dep ${ARGS_DEPENDS})
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find_package(${dep} QUIET)
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if(${dep}_FOUND)
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list(APPEND ${name}_INCLUDE_DIRS ${${dep}_INCLUDE_DIRS})
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list(APPEND ${name}_LIBRARIES ${${dep}_LIBRARIES})
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else(${dep}_FOUND)
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unset(${name}_FOUND)
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endif(${dep}_FOUND)
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endforeach(dep)
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set(${name}_FOUND ${${name}_FOUND} PARENT_SCOPE)
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set(${name}_INCLUDE_DIRS ${${name}_INCLUDE_DIRS} PARENT_SCOPE)
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set(${name}_LIBRARIES ${${name}_LIBRARIES} PARENT_SCOPE)
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set(${name}_LIBRARY ${${name}_LIBRARY} PARENT_SCOPE)
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unset(${name}_VERSION PARENT_SCOPE)
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if(NOT TARGET ${ARGS_PKG_CONFIG_NAME})
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add_library(${ARGS_PKG_CONFIG_NAME} INTERFACE IMPORTED)
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set_property(TARGET ${ARGS_PKG_CONFIG_NAME} PROPERTY INTERFACE_INCLUDE_DIRECTORIES "${${name}_INCLUDE_DIRS}")
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set_property(TARGET ${ARGS_PKG_CONFIG_NAME} PROPERTY INTERFACE_LINK_LIBRARIES "${${name}_LIBRARIES}")
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endif(NOT TARGET ${ARGS_PKG_CONFIG_NAME})
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endif(${name}_FOUND)
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endif(${name}_PKG_CONFIG_FOUND)
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endfunction()
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