# This file contains placeholders to detect backward-compatibility problems.
# When a buildroot "API" feature is being deprecated, a rule should be added
# here that issues an error when the old feature is used.
-#
-# This file is not included if BR2_DEPRECATED is selected, so it is possible
-# to bypass the errors (although that's usually a bad idea).
ifeq ($(BR2_LEGACY),y)
$(error "You have legacy configuration in your .config! Please check your configuration.")
endif
endif
+# If a script is using the deprecated BUILDROOT_CONFIG, make sure it fails.
+# Add some directories in front just in case someone used dirname on it.
+BUILDROOT_CONFIG_FAKE = /tmp/deprecated/The-BUILDROOT_CONFIG-environment-variable-was-renamed-to-BR2_CONFIG
+
+# Similar to above for BUILDROOT_CONFIG, but here we have no .config equivalent.
+ifneq ($(BUILDROOT_CONFIG),)
+ifneq ($(BUILDROOT_CONFIG),$(BR2_CONFIG))
+ifneq ($(BUILDROOT_CONFIG),$(BUILDROOT_CONFIG_FAKE))
+$(error "The BUILDROOT_CONFIG environment variable was renamed to BR2_CONFIG.")
+endif
+endif
+endif
+
+BUILDROOT_CONFIG = $(BUILDROOT_CONFIG_FAKE)
+export BUILDROOT_CONFIG
+
#
# Legacy options from 2012.08
#