diff options
| -rw-r--r-- | package/pkg-generic.mk | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/package/pkg-generic.mk b/package/pkg-generic.mk index 426d269971..260f37425e 100644 --- a/package/pkg-generic.mk +++ b/package/pkg-generic.mk @@ -241,6 +241,25 @@ $(BUILD_DIR)/%/.stamp_dircleaned: rm -Rf $(@D) ################################################################################ +# virt-provides-single -- check that provider-pkg is the declared provider for +# the virtual package virt-pkg +# +# argument 1 is the lower-case name of the virtual package +# argument 2 is the upper-case name of the virtual package +# argument 3 is the lower-case name of the provider +# +# example: +# $(call virt-provides-single,libegl,LIBEGL,rpi-userland) +################################################################################ +define virt-provides-single +ifneq ($$(call qstrip,$$(BR2_PACKAGE_PROVIDES_$(2))),$(3)) +$$(error Configuration error: both "$(3)" and $$(BR2_PACKAGE_PROVIDES_$(2))\ +are selected as providers for virtual package "$(1)". Only one provider can\ +be selected at a time. Please fix your configuration) +endif +endef + +################################################################################ # inner-generic-package -- generates the make targets needed to build a # generic package # @@ -626,6 +645,13 @@ endif # ifneq ($(call qstrip,$$($(2)_SOURCE)),) # configuration ifeq ($$($$($(2)_KCONFIG_VAR)),y) +# Ensure the calling package is the declared provider for all the virtual +# packages it claims to be an implementation of. +ifneq ($$($(2)_PROVIDES),) +$$(foreach pkg,$$($(2)_PROVIDES),\ + $$(eval $$(call virt-provides-single,$$(pkg),$$(call UPPERCASE,$$(pkg)),$(1))$$(sep))) +endif + TARGETS += $(1) PACKAGES_PERMISSIONS_TABLE += $$($(2)_PERMISSIONS)$$(sep) PACKAGES_DEVICES_TABLE += $$($(2)_DEVICES)$$(sep) |
