cmake find_package(req_package) examples

sandialabs/seacas cmake/tribits/common_tpls/utils/AddPackageDependency.cmake :56 

find_package(${req_package} REQUIRED)

trilinos/Trilinos cmake/tribits/common_tpls/utils/AddPackageDependency.cmake :56 

find_package(${req_package} REQUIRED)