On Wed, Nov 3, 2010 at 1:53 AM, Oleksandr Gavenko <[email protected]> wrote:
> I think this must be true:
>
> 1) target recipes expanded only when target executed and all before any
> shell command execution
Info pages section "How `make' Reads a Makefile".
> 2) if in variable/function expansion happen $(error ...) then make stops
Info pages section "Functions That Control Make".
> I read manual and don't find explicit description about this.
Since the latter is stated IN THE VERY DESCRIPTION OF THE $(error)
FUNCTION, I don't understand what you consider explicit.
---
`$(error TEXT...)'
Generates a fatal error where the message is TEXT. Note that the
error is generated whenever this function is evaluated. So, if
you put it inside a command script or on the right side of a
recursive variable assignment, it won't be evaluated until later.
---
Philip Guenther
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