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build system: fix using optional blacklisted features

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This commit is contained in:
Marian Buschsieweke 2021-02-10 09:37:06 +01:00
parent 8fb30660b5
commit 4304600512
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GPG Key ID: 61F64C6599B1539F
1 changed files with 12 additions and 8 deletions
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20
makefiles/features_check.inc.mk
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@ -1,16 +1,20 @@
# Check if all required FEATURES are provided
FEATURES_OPTIONAL_ONLY := $(sort $(filter-out $(FEATURES_REQUIRED),$(FEATURES_OPTIONAL)))
FEATURES_OPTIONAL_USED := $(sort $(filter $(FEATURES_PROVIDED),$(FEATURES_OPTIONAL_ONLY)))
# Optional features that will not be used because they are not provided
FEATURES_OPTIONAL_MISSING := $(sort $(filter-out $(FEATURES_PROVIDED),$(FEATURES_OPTIONAL_ONLY)))
# Features that are used without taking "one out of" dependencies into account
FEATURES_USED_SO_FAR := $(sort $(FEATURES_REQUIRED) $(FEATURES_OPTIONAL_USED))
# Features that are provided and not blacklisted
FEATURES_USABLE := $(filter-out $(FEATURES_BLACKLIST),$(FEATURES_PROVIDED))
# Features that may be used, if provided.
FEATURES_OPTIONAL_ONLY := $(sort $(filter-out $(FEATURES_REQUIRED),$(FEATURES_OPTIONAL)))
# Optional features that end up being used
FEATURES_OPTIONAL_USED := $(sort $(filter $(FEATURES_USABLE),$(FEATURES_OPTIONAL_ONLY)))
# Optional features that will not be used because they are not provided or blacklisted
FEATURES_OPTIONAL_MISSING := $(sort $(filter-out $(FEATURES_USABLE),$(FEATURES_OPTIONAL_ONLY)))
# Features that are used without taking "one out of" dependencies into account
FEATURES_USED_SO_FAR := $(sort $(FEATURES_REQUIRED) $(FEATURES_OPTIONAL_USED))
# Additionally required features due to the "one out of" dependencies
# Algorithm:
# - For each list in FEATURES_REQUIRED_ANY as "item":