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pkg-generic: introduce helper function to check for a deprecated variable

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This patch introduces a helper check-deprecated-variable, that throws an
error when a package defines a deprecated variable. This helps in detecting
transition errors when changing the buildroot infrastructures, and also
helps users that have created packages not part of mainline buildroot.

Signed-off-by: Thomas De Schampheleire <thomas.de.schampheleire@gmail.com>
Reviewed-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
This commit is contained in:
Thomas De Schampheleire 2014-09-27 21:32:48 +02:00 committed by Thomas Petazzoni
parent 146f7dc495
commit 220a583eb1
1 changed files with 15 additions and 0 deletions
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15
package/pkg-generic.mk
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@ -263,6 +263,21 @@ be selected at a time. Please fix your configuration)
endif
endef
################################################################################
# check-deprecated-variable -- throw an error on deprecated variables
#
# argument 1 is the deprecated variable
# argument 2 is the new variable to use
#
# example:
# $(eval $(call check-deprecated-variable,FOO_MAKE_OPT,FOO_MAKE_OPTS))
################################################################################
define check-deprecated-variable
ifneq ($$(origin $(1)),undefined)
$$(error Package error: use $(2) instead of $(1). Please fix your .mk file)
endif
endef
################################################################################
# inner-generic-package -- generates the make targets needed to build a
# generic package