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-rw-r--r--Makefile2
-rw-r--r--package/pkg-generic.mk7
2 files changed, 9 insertions, 0 deletions
diff --git a/Makefile b/Makefile
index 3ba149050c..5c65f90fbb 100644
--- a/Makefile
+++ b/Makefile
@@ -974,6 +974,8 @@ help:
@echo ' <pkg>-depends - Build <pkg>'\''s dependencies'
@echo ' <pkg>-configure - Build <pkg> up to the configure step'
@echo ' <pkg>-build - Build <pkg> up to the build step'
+ @echo ' <pkg>-show-depends - List packages on which <pkg> depends'
+ @echo ' <pkg>-show-rdepends - List packages which have <pkg> as a dependency'
@echo ' <pkg>-graph-depends - Generate a graph of <pkg>'\''s dependencies'
@echo ' <pkg>-dirclean - Remove <pkg> build directory'
@echo ' <pkg>-reconfigure - Restart the build from the configure step'
diff --git a/package/pkg-generic.mk b/package/pkg-generic.mk
index e726ac5ef1..81bb82c2c4 100644
--- a/package/pkg-generic.mk
+++ b/package/pkg-generic.mk
@@ -698,6 +698,9 @@ $(1)-show-version:
$(1)-show-depends:
@echo $$($(2)_FINAL_ALL_DEPENDENCIES)
+$(1)-show-rdepends:
+ @echo $$($(2)_RDEPENDENCIES)
+
$(1)-graph-depends: graph-depends-requirements
@$$(INSTALL) -d $$(GRAPHS_DIR)
@cd "$$(CONFIG_DIR)"; \
@@ -854,6 +857,10 @@ $$(foreach pkg,$$($(2)_PROVIDES),\
$$(eval $$(call virt-provides-single,$$(pkg),$$(call UPPERCASE,$$(pkg)),$(1))$$(sep)))
endif
+# Register package as a reverse-dependencies of all its dependencies
+$$(eval $$(foreach p,$$($(2)_FINAL_ALL_DEPENDENCIES),\
+ $$(call UPPERCASE,$$(p))_RDEPENDENCIES += $(1)$$(sep)))
+
# Ensure unified variable name conventions between all packages Some
# of the variables are used by more than one infrastructure; so,
# rather than duplicating the checks in each infrastructure, we check
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