Re: [ptxdist] ptxdist compile redirects stderr to stdout

[Michael Olbrich <m.olbrich@pengutronix.de>]

Hi,

On Wed, Nov 30, 2016 at 03:46:14AM -0500, Jon Ringle wrote:
> I discovered after updating to a new version of ptxdist that all of my    
> compile output including errors/warnings are now all going to stdout
> instead of having the errors/warning going to stderr.
> 
> This is causing some problem when I use qtcreator as my IDE because
> qtcreator will only filter stderr for errors/warnings to put into the
> Issues tab, where one can simply click on the error/warning and be taken  
> right to the source line where the error/warning is found. 
>  
> I create a small program to demonstrate the problem:
> $ cat local_src/testprog/testprog.c
> #include <stdio.h>
> #include <stdlib.h>
> 
> #error An error here
> int main(int argc, char *argv[])
> {
>         printf("Hello World, I'm testprog!\n");
> 
>         exit(EXIT_SUCCESS);
> }
> 
> $ ptxdist-2016.10.0 --force targetinstall testprog >/dev/null
> make: ***
> [/home/jringle-admin/code/gpec/ec1k-rootfs/platform-EC1C/state/testprog.compile]
> Error 2
> 
> $ ptxdist-2015.08.0 --force targetinstall testprog >/dev/null
> testprog.c:4:2: error: #error An error here
>  #error An error here
>   ^
> make[1]: *** [testprog] Error 1
> make: ***
> [/home/jringle-admin/code/gpec/ec1k-rootfs/platform-EC1C/state/testprog.compile]
> Error 2
> 
> I found that this is being caused by commit
> 30b9267e35eea1c2edb4da0231a428bfa25b6766
> 
> Is there a way that the stderr to stdout redirect could be implemented    
> conditionally so that I can still have stderr segregated if I want to?

Yes. It's really only necessary if output synchronization is enabled. So,
we could set some variable in setup_parallel() to '1' or '2' depending on
PTXDIST_OUTPUT_SYNC and then use it instead of '2>&1'.

Michael

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