Alexandre Girao wrote:
a := 0

define aaa_template
a := 1
$(warning $(a))
endef

define bbb_template
$(warning $(a))
endef

$(eval $(call aaa_template))          # 0 (why 0?)
$(eval $(call bbb_template))          # 1

Because the aaa_template is expanded twice by $(eval). The first time it's expanded you get the warning. Escape the $ with $$ in aaa_template and you'll get the result you expect.

John.
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John Graham-Cumming
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