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-rw-r--r--Rules.mak2
1 files changed, 2 insertions, 0 deletions
diff --git a/Rules.mak b/Rules.mak
index 2909d1bdc..032193e6b 100644
--- a/Rules.mak
+++ b/Rules.mak
@@ -176,11 +176,13 @@ check_ld=$(shell \
# Use variable indirection here so that we can have variable
# names with fun chars in them like equal signs
define check-tool-var
+ifeq ($(filter clean CLEAN_%,$(MAKECMDGOALS)),)
_v = $(2)_$(3)
ifndef $$(_v)
$$(_v) := $$(call $(1),$(subst %, ,$(3)))
export $$(_v)
endif
+endif
endef
# Usage: check-gcc-var,<flag>