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Re: toolchain/46750: make oddity expanding variables assigned to with +=
The following reply was made to PR toolchain/46750; it has been noted by GNATS.
From: David Laight <david%l8s.co.uk@localhost>
Subject: Re: toolchain/46750: make oddity expanding variables assigned to with
Date: Sun, 29 Jul 2012 14:58:13 +0100
This is the way make works.
make variables hold character strings and have to maintain any
embedded white space.
In certain places the variable contents are treated as white-space
separated tokens (usually filenames).
Whitespace after = (or :=) can be removed, but whitespace
after += must be kept - otherwise you can't build strings.
David Laight: david%l8s.co.uk@localhost
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