Re: Why rules depends on the same target behave differently if the commands are different?

[Peng Yu]

On Mon, Apr 26, 2010 at 6:40 AM, Paul Smith <address@hidden> wrote:
> On Sun, 2010-04-25 at 15:13 -0500, Peng Yu wrote:
>
>> /tmp/double_targets_same_command$ make
>> a
>> echo 'a' > a; sleep 1; echo 'b' > b
>
> Here one command (the one for building "a") also builds "b", so when
> make goes to see if "b" is out of date or not, it finds that "b" is
> up-to-date (it was just built) and so there's nothing to be done for
> "b", and make stops.

I see if I use '-j2' option both command will be executed.

Is there is a way to parallelly run some rules but serially run others rules?

> --
> -------------------------------------------------------------------------------
>  Paul D. Smith <address@hidden>          Find some GNU make tips at:
>  http://www.gnu.org                      http://make.mad-scientist.net
>  "Please remain calm...I may be mad, but I am a professional." --Mad Scientist
>
>



-- 
Regards,
Peng