On Mon, Apr 28, 2014 at 09:25:36AM -0700, Jonathan Nieder wrote:
> > -STRIP ?= strip
> > +STRIP = $(CROSS_COMPILE)strip
> Before, STRIP from the environment took precedence over STRIP from the
> makefile. Switching to the more usual 'environment can't be trusted'
> convention is a good change, but please mention it in the commit
Taken from :
> Simply expanded variables are defined by lines using ‘:=’ or ‘::=’ (see
> Setting Variables).
> Both forms are equivalent in GNU make; however only the ‘::=’ form is
> described by the POSIX
> standard (support for ‘::=’ was added to the POSIX standard in 2012, so older
> versions of make
> won't accept this form either).
> The value of a simply expanded variable is scanned once and for all,
> expanding any references
> to other variables and functions, when the variable is defined. The actual
> value of the simply
> expanded variable is the result of expanding the text that you write. It does
> not contain any
> references to other variables; it contains their values as of the time this
> variable was defined.
> x := foo
> y := $(x) bar
> x := later
> is equivalent to
> y := foo bar
> x := later
> When a simply expanded variable is referenced, its value is substituted
I don't see how it relates to environment precedence. Could you please provide
me an example of
a situation that changed due to my commit?
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