$(call install_file)
# XXX: we can't use += here, call will be resolved lazily if we do
install := $(install) $(call find_headers,h,$I/include/otherproj)
$(call install_file)
# XXX: we can't use += here, call will be resolved lazily if we do
install := $(install) $(call find_headers,h,$I/include/otherproj)