cmake find_package(ReqPack) examples

mfem/mfem config/cmake/modules/MfemCmakeUtilities.cmake :376 

find_package(${ReqPack} ${Quiet} COMPONENTS ${PackComps})

mfem/mfem config/cmake/modules/MfemCmakeUtilities.cmake :400 

find_package(${ReqPack} ${Required} ${Quiet} COMPONENTS ${PackComps})

mfem/mfem config/cmake/modules/MfemCmakeUtilities.cmake :404 

find_package(${_target} NAMES ${_target} ${ReqPack} ${Quiet}
  COMPONENTS ${PackComps})