$$(if $$(wildcard libraries/$$p/ghc-packages),\
$$(eval BUILD_DIRS += libraries/$$p) \
$$(foreach q,$$(shell cat libraries/$$p/ghc-packages2),$$(eval $$(call extra-package,$$p,$$p/$$q))),\
$$(if $$(wildcard libraries/$$p/ghc-packages),\
$$(eval BUILD_DIRS += libraries/$$p) \
$$(foreach q,$$(shell cat libraries/$$p/ghc-packages2),$$(eval $$(call extra-package,$$p,$$p/$$q))),\