Richard W.M. Jones wrote on 2025/05/06 20:44:
I have a failure in %configure which only happens on i686:

https://koji.fedoraproject.org/koji/buildinfo?buildID=2710279

configure: error: C compiler cannot create executables
See 'config.log' for more details

This isn't about this specific failure, but more of a shell / RPM
macro expansion question.  How I can get config.log to be reliably,
automatically printed on failure?

I tried several variations of:

   %configure || { cat config.log; exit 1 }

Maybe

%configure || { cat config.log ; exit 1; }

work? (bash commands inside braces always need semicolon)

Regards,
Mamoru



   %configure \
   || { cat config.log; exit 1 }

   if ! %configure; then
     cat config.log
     exit 1
   fi

   if ! { %configure }; then
     cat config.log
     exit 1
   fi

None of them work in this case, and I don't understand exactly why.
(Strangely other spec files use one of the above variations and
apparently it works fine for them ...)

A corollary to this question: Can't we have the %configure macro
always dump config.log on failure?

Another question: Does RPM always use bash as the shell?

Rich.


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