Re: [cups-devel] Debug Logging in Cups

David,

You want "CUPS_DEBUG_LEVEL=9", not "CUPS_LOG_LEVEL=9"...


> On Oct 19, 2017, at 2:43 PM, David Valleau <[email protected]> wrote:
> 
> Hello,
> 
> I am currently doing some work in the CUPS code and am having some trouble
> getting debug logging to work.
> 
> I have run:
> 
>   - ./configure --enable-debug --enable-debug-guards --enable-debug-printfs
>   - make clean
>   - make
> 
> I then run the backend that I am testing using the following command:
> 
>   - CUPS_DEBUG_FILTER=".*" CUPS_DEBUG_LOG="-" CUPS_LOG_LEVEL=9 ./ipp
> 
> However, when running this backend the outputs from all of the
> "DEBUG_printf" macros in the execution path do not seem to be displayed.
> 
> How can I get these macros to display? I am having some trouble trying to
> debug my changes right now since I am flying blind without any debugging
> information.
> 
> I should not that I have tried a number of different values for the
> CUPS_DEBUG_LOG and CUPS_LOG_LEVEL environment variables already.
> 
> Thanks,
> David
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_________________________________________________________
Michael Sweet, Senior Printing System Engineer