[PATCH v3] Add configure check for python program

[Siddhesh Poyarekar]

On Thursday 22 December 2016 10:54 PM, Steve Ellcey wrote:
> On Thu, 2016-12-22 at 08:07 +0530, Siddhesh Poyarekar wrote:
>> Add a configure check that looks for python3 and python in that order
>> since we had agreed in the past to prefer python3 over python in all
>> our code.  The patch also adjusts invocations through the various
>> Makefiles to use the set variable.
>>
>> Changes:
>>
>>  - Added tests-printers to tests-unsupported instead of removing
>> them.
>>
>> 	* configure.ac: Check for python3 or python.
>> 	* configure: Regenerated.
>> 	* config.make.in (PYTHON): New variable.
>> 	* benchtests/Makefile: Don't define PYTHON.
>> 	(bench): Define target only if PYTHON was defined.
>> 	* Rules: Don't define PYTHON.
>> 	Define pretty printer targets only if PYTHON was defined.
>> 	(tests-printers): Add to tests-unsupported if PYTHON is not
>> 	found.
>> 	(python-flags, python-invoke): Remove.
>> 	(tests-printers-out): Use PYTHON instead of python-invoke.
> 
> Yes, I like this version better.  It worked fine on my machine.

Thanks, I've pushed it to master.

Siddhesh