classes/meson: add cmake to cross file

Author: rhubert

classes/meson.yaml

@@ -86,6 +86,7 @@ buildSetup: |
     strip = '$STRIP'
     nm    = '$NM'
     pkg-config = '$(which pkg-config)'
+    cmake = '$(which cmake ||:)'
     [built-in options]
     c_args = [$(meson_join_list "${MESON_CFLAGS[@]}")]
     cpp_args = [$(meson_join_list "${MESON_CXXFLAGS[@]}")]