Re: [bug #29757] Target-specific variables change their flavor

[Philip Guenther]

On Fri, Jun 25, 2010 at 11:44 PM, Vitaly Grechko
<address@hidden> wrote:
> Follow-up Comment #2, bug #29757 (project make):
> Sorry. You were right. But this is not convenient to have just one way to
> append to a variable. Note that at least 2 *makes have :+= operator: dmake and
> fastmake. I guess GNU make could think about it.

Beware: even plain ":=" isn't implemented the same everywhere, even if
you ignore the appending issue.  I've seen at least one version where
":=" means "expand the right-hand side immediately, and then otherwise
act like '='", with the result that the right-hand side is expanded
*twice*.


Philip Guenther