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Re: VPATH/vpath and Pattern Rules
From: |
Michael Ludwig |
Subject: |
Re: VPATH/vpath and Pattern Rules |
Date: |
Sat, 14 Jan 2012 17:47:39 +0100 |
User-agent: |
Mutt/1.5.20 (2009-12-10) |
Paul Smith schrieb am 14.01.2012 um 11:30 (-0500):
> On Sat, 2012-01-14 at 16:20 +0100, Michael Ludwig wrote:
> > …
> > @echo == $$^| $|
> > @echo == $$* $*
> >
> > Can I define it as a function? To invoke it like: $(echoautovars)
>
> Sure, but you really should quote these to protect them from the shell:
>
> define echoautovars
> echo == '$$@ $@'
> echo == '$$%% $%'
> echo == '$$^< $<'
> echo == '$$? $?'
> echo == '$$^^ $^'
> echo == '$$+ $+'
> echo == '$$^| $|'
> echo == '$$* $*'
> endef
Works great. Well, I'm on cmd.exe (Windows), and despite all the rumours
about Microsoft being a greedy company, cmd.exe doesn't eat dollars.
Given the differences between the shells, I think you'd need some way to
detect the host shell or host system in order to #ifdef the right thing.
--
Michael Ludwig