[MacPorts] #74390: kdelibs4 fails with default setting -j 4

[MacPorts]

#74390: kdelibs4 fails with default setting -j 4
---------------------------+--------------------
  Reporter:  incalzando-a  |      Owner:  (none)
      Type:  defect        |     Status:  new
  Priority:  Normal        |  Milestone:
 Component:  ports         |    Version:
Resolution:                |   Keywords:
      Port:  kdelibs4      |
---------------------------+--------------------
Changes (by jmroot):

 * keywords:  CHILDSTATUS 6035 2 =>
 * type:  request => defect
 * port:   => kdelibs4


Old description:

> Where is the setting to remove -j4, on a computer that only has 2 cores?
>
> From kdelibs4 main.log:
>
> :info:build [ 52%] Built target kdnssd
> :info:build make[1]: Leaving directory
> `/opt/local/var/macports/build/kdelibs4-98c02c16/work/build'
> :info:build make: *** [all] Error 2
> :info:build make: Leaving directory
> `/opt/local/var/macports/build/kdelibs4-98c02c16/work/build'
> :info:build Command failed:  cd
> "/opt/local/var/macports/build/kdelibs4-98c02c16/work/build" &&
> /usr/bin/make -j4 -w all VERBOSE=ON
> :info:build Exit code: 2
> :error:build Failed to build kdelibs4: command execution failed
> :debug:build Error code: CHILDSTATUS 6035 2
> :debug:build Backtrace: command execution failed
> :debug:build     while executing
> :debug:build "system {*}$notty {*}$callback {*}$nice $fullcmdstring"
> :debug:build     invoked from within
> :debug:build "command_exec -callback
> portprogress::target_progress_callback build"
> :debug:build     (procedure "portbuild::build_main" line 10)
> :debug:build     invoked from within
> :debug:build "$procedure $targetname"

New description:

 Where is the setting to remove -j4, on a computer that only has 2 cores?

 From kdelibs4 main.log:
 {{{
 :info:build [ 52%] Built target kdnssd
 :info:build make[1]: Leaving directory
 `/opt/local/var/macports/build/kdelibs4-98c02c16/work/build'
 :info:build make: *** [all] Error 2
 :info:build make: Leaving directory
 `/opt/local/var/macports/build/kdelibs4-98c02c16/work/build'
 :info:build Command failed:  cd
 "/opt/local/var/macports/build/kdelibs4-98c02c16/work/build" &&
 /usr/bin/make -j4 -w all VERBOSE=ON
 :info:build Exit code: 2
 :error:build Failed to build kdelibs4: command execution failed
 :debug:build Error code: CHILDSTATUS 6035 2
 :debug:build Backtrace: command execution failed
 :debug:build     while executing
 :debug:build "system {*}$notty {*}$callback {*}$nice $fullcmdstring"
 :debug:build     invoked from within
 :debug:build "command_exec -callback
 portprogress::target_progress_callback build"
 :debug:build     (procedure "portbuild::build_main" line 10)
 :debug:build     invoked from within
 :debug:build "$procedure $targetname"
 }}}

--

Comment:

 It's not clear that this is caused by the number of build jobs, but the
 default number of jobs is probably chosen because your CPU supports
 hyperthreading. If you want to change it, the macports.conf setting is
 `buildmakejobs`. https://guide.macports.org/chunked/internals
 .configuration-files.html#internals.configuration-files.macports-conf

-- 
Ticket URL: <https://trac.macports.org/ticket/74390#comment:1>
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