Subject: Re: new feature for bmake: read-only variables
To: None <tech-pkg@NetBSD.org>
From: Roland Illig <rillig@NetBSD.org>
List: tech-pkg
Date: 09/02/2005 13:09:14
Alan Barrett wrote:
> On Fri, 02 Sep 2005, Roland Illig wrote:
>
>>>Do you still need the block style when working with targets anyway? You
>>>can just use ".READONLY: VAR VAR2" all the time.
>>
>>http://mail-index.netbsd.org/tech-pkg/2005/08/25/0004.html
>>
>>Yes, I do. In that example I don't want to duplicate all the
>>TOOLS_PLATFORM.* names just for making them read-only.
>
>
> It's easy to do that another way:
>
> TOOLS_PLATFORM_PAIRS+= cat /bin/cat
> TOOLS_PLATFORM_PAIRS+= chgrp /usr/bin/chgrp
> TOOLS_PLATFORM_PAIRS+= chmod /bin/chmod
> # etc...
> .for i j in ${TOOLS_PLATFORM_PAIRS}
> TOOLS_PLATFORM.${i} ?= ${j}
> .READONLY: ${i}
> .endfor
Looks good at first sight, but not at second. You cannot have
white-space in the tool names. Not even with quoting them.
Roland