Somewhat OT: Using Pipes Inside a GNU Make File

[Warren Block]

On Wed, 5 Sep 2012, Tim Daneliuk wrote:

> On 09/05/2012 07:24 PM, Bryan Drewery wrote:
>> On 9/5/2012 7:02 PM, Tim Daneliuk wrote:
>>> A bit off topic, but I'm kind of stuck.  I am using gmake and want to
>>> do something like this:
>>>
>>>     FOO := $(shell a | b | c)
>>> 
>>> But this appears not to work.  Only the 'a' command is executed.  The
>>> remainder
>>> of the pipeline is ignored.  Is there some clean way to implement this
>>> kind of thing?
>>> 
>>> 
>> 
>> I use this in a GNUMakefile and it works fine.
>>
>>      BRANCH := $(shell git branch --no-color | grep "^*" | sed -e 's/^\* //')
>> 
>> 
>> You may need to post a more specific example.
>> 
>> Bryan> _______________________________________________
>
> Here's the line that is failing:
>
> 2LATEX   = $(shell which rst2latex.py rst2latex | tr '\012' ' ' | awk '{print $1}')  --stylesheet=parskip

Bryan's example is using := for assignment.