[klibc] [PATCH] klcc: Remove the need for bash
oliver at schinagl.nl
Wed Sep 9 02:02:33 PDT 2020
On 08-09-2020 22:07, Thorsten Glaser wrote:
> Greg Thelen dixit:
>> This doesn't work with older versions of make. make 4.2.1 seems common
>> now and does not support $(shell command).
>> $ cat Makefile
>> $(info take1: $(shell command -v ls))
>> $(info take2: $(shell bash -c 'type -p ls'))
>> $ make-3.81/make
>> make: command: Command not found
> Eh, what?
well command can be either a shell built-in or an external program,
right? but both are posix required ?
So that's a bit odd, also, wouldn't shell sh do a double shell? Shell
inseption? I'm not super familiar with make though, especially ancient
> … checks with gmake 3.81… indeed.
> But no, this isn’t correct. You just do this instead:
> $(info take1: $(shell sh -c 'command -v ls'))
> This works and avoids GNU bash just the same. (I ran this
> on a system with no GNU bash installed.)
> //mirabilos, shell maintainer/developer
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