{%- macro RenderPackages(target) -%}
{%-     set packages = [] -%}
{%-     if (target.packages is defined) and (target.packages|length) -%}
{%-         set packages = packages + target.packages -%}
{%-     endif -%}
{%-     if (target.mpackages is defined) and (target.mpackages|length) -%}
{%-         if packages|length -%}
{#-             Skip duplicating packages -#}
{%-             set mpackages = target.mpackages|rejectattr('name', 'in', packages|map(attribute='name')) -%}
{%-             if mpackages|length -%}
{%-                 set packages = packages + mpackages -%}
{%-             endif -%}
{%-         else -%}
{%-             set packages = packages + target.mpackages -%}
{%-         endif -%}
{%-     endif -%}
{%-     if packages|length -%}
{%-         for package in packages %}
find_package({{ package.name }} REQUIRED
{%-             if package.components|length %} COMPONENTS
{%-                 for component in package.components %}
  {{ component }}
{%                  endfor -%}
{%-             endif -%}
)
{%          endfor -%}
{%-     endif -%}
{%- endmacro -%}

{%- if target is defined -%}
{{ RenderPackages(target) }}
{%- endif -%}
{%- if extra_targets|length -%}
{%-     for extra_target in extra_targets -%}
{{ RenderPackages(extra_target) }}
{%-     endfor -%}
{%- endif -%}