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include(CMakeParseArguments)
function(find_packages result)
cmake_parse_arguments(ARGS "" "" "REQUIRED;OPTIONAL" ${ARGN})
set(_res "")
set(_res_libs "")
foreach(pkg ${ARGS_REQUIRED})
string(REPLACE ">=" ";" pkg_ ${pkg})
list(GET pkg_ "0" pkg)
list(LENGTH pkg_ pkg_has_version)
if(pkg_has_version GREATER 1)
list(GET pkg_ "1" pkg_version)
else()
if(${pkg}_GLOBAL_VERSION)
set(pkg_version ${${pkg}_GLOBAL_VERSION})
else()
unset(pkg_version)
endif()
endif()
find_package(${pkg} ${pkg_version} REQUIRED)
list(APPEND _res ${${pkg}_PKG_CONFIG_NAME})
list(APPEND _res_libs ${${pkg}_LIBRARIES})
endforeach(pkg)
foreach(pkg ${ARGS_OPTIONAL})
string(REPLACE ">=" ";" pkg_ ${pkg})
list(GET pkg_ "0" pkg)
list(LENGTH pkg_ pkg_has_version)
if(pkg_has_version GREATER 1)
list(GET pkg_ "1" pkg_version)
else()
if(${pkg}_GLOBAL_VERSION)
set(pkg_version ${${pkg}_GLOBAL_VERSION})
else()
unset(pkg_version)
endif()
endif()
find_package(${pkg} ${pkg_version})
if(${pkg}_FOUND)
list(APPEND _res ${${pkg}_PKG_CONFIG_NAME})
list(APPEND _res_libs ${${pkg}_LIBRARIES})
endif()
endforeach(pkg)
set(${result} "${_res}" PARENT_SCOPE)
set(${result}_LIBS "${_res_libs}" PARENT_SCOPE)
endfunction()
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