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-rw-r--r--tools/build/Makefile.feature26
1 files changed, 21 insertions, 5 deletions
diff --git a/tools/build/Makefile.feature b/tools/build/Makefile.feature
index b1b262eb5bea..02db3cdff20f 100644
--- a/tools/build/Makefile.feature
+++ b/tools/build/Makefile.feature
@@ -129,8 +129,24 @@ endef
feature_assign = feature-$(1)=$(feature-$(1))
FEATURE_DUMP_FILENAME = $(OUTPUT)FEATURE-DUMP$(FEATURE_USER)
-FEATURE_DUMP := $(foreach feat,$(FEATURE_DISPLAY),$(call feature_assign,$(feat)))
-FEATURE_DUMP_FILE := $(shell touch $(FEATURE_DUMP_FILENAME); cat $(FEATURE_DUMP_FILENAME))
+FEATURE_DUMP := $(shell touch $(FEATURE_DUMP_FILENAME); cat $(FEATURE_DUMP_FILENAME))
+
+feature_dump_check = $(eval $(feature_dump_check_code))
+define feature_dump_check_code
+ ifeq ($(findstring $(1),$(FEATURE_DUMP)),)
+ $(2) := 1
+ endif
+endef
+
+#
+# First check if any test from FEATURE_DISPLAY
+# and set feature_display := 1 if it does
+$(foreach feat,$(FEATURE_DISPLAY),$(call feature_dump_check,$(call feature_assign,$(feat)),feature_display))
+
+#
+# Now also check if any other test changed,
+# so we force FEATURE-DUMP generation
+$(foreach feat,$(FEATURE_TESTS),$(call feature_dump_check,$(call feature_assign,$(feat)),feature_dump_changed))
# The $(feature_display) controls the default detection message
# output. It's set if:
@@ -139,9 +155,9 @@ FEATURE_DUMP_FILE := $(shell touch $(FEATURE_DUMP_FILENAME); cat $(FEATURE_DUMP_
# - one of the $(FEATURE_DISPLAY) is not detected
# - VF is enabled
-ifneq ("$(FEATURE_DUMP)","$(FEATURE_DUMP_FILE)")
- $(shell echo "$(FEATURE_DUMP)" > $(FEATURE_DUMP_FILENAME))
- feature_display := 1
+ifeq ($(feature_dump_changed),1)
+ $(shell rm -f $(FEATURE_DUMP_FILENAME))
+ $(foreach feat,$(FEATURE_TESTS),$(shell echo "$(call feature_assign,$(feat))" >> $(FEATURE_DUMP_FILENAME)))
endif
feature_display_check = $(eval $(feature_check_display_code))