[Solved!!] Re: octave gui does not run

[Tatsuro MATSUOKA]

----- Original Message -----
> From: Tatsuro MATSUOKA
> To: Daniel J Sebald ; "octave-maintainers
> Cc: 
> Date: 2018/3/31, Sat 15:10
> Subject: Re: octave gui does not run
> 
> ----- Original Message -----
> 
>>  From: Daniel J Sebald 
>>  To: Tatsuro MATSUOKA 
>>  Cc: 
>>  Date: 2018/3/31, Sat 09:36
>>  Subject: Re: octave gui does not run
>> 
>>  On 03/30/2018 06:44 PM, Tatsuro MATSUOKA wrote:
>>>   Platform Ubuntu 16.04, gcc 5.4.0
>>>   Stable source b940e457e11f
>>> 
>>> 
>>>   I have tried to execute octave gui
>>> 
>>>   ./run-octave --gui
>>> 
>>>   But CLI octave start.
>>> 
>>>   I this a bug? Have to I file to bug tracker?
>> 
>>  Possibly.  Check your config.log file to see that it says
>> 
>>  build1 # grep "Qt GUI" config.log
>>    Build Octave Qt GUI:                  yes
>> 
>>  If your log indicates "no" that is probably why the --gui option 
> has 
>>  no effect.  If this is the case, it might still be undesirable to continue 
> with 
>>  the CLI mode if "--gui" is specified and there is no GUI.
>> 
>>  Dan
> Dan
> 
> You are right.
> Recent change cause trouble qt and osmesa.
> 
> configure:70107: result: no
> configure:70172: checking Qt version 5
> configure:70209: checking for QT
> configure:70217: $PKG_CONFIG --exists --print-errors "$QT_MODULES"
> Package Qt5Help was not found in the pkg-config search path.
> Perhaps you should add the directory containing `Qt5Help.pc'
> to the PKG_CONFIG_PATH environment variable
> No package 'Qt5Help' found
> configure:70220: $? = 1
> configure:70235: $PKG_CONFIG --exists --print-errors "$QT_MODULES"
> Package Qt5Help was not found in the pkg-config search path.
> Perhaps you should add the directory containing `Qt5Help.pc'
> to the PKG_CONFIG_PATH environment variable
> No package 'Qt5Help' found
> configure:70238: $? = 1
> No package 'Qt5Help' found
> configure:70266: result: no
> configure:73381: WARNING: Qt libraries not found; disabling Qt GUI
> configure:73542: checking osmesa.h usability
> configure:73542: g++ -std=gnu++11 -c -g -O2 -pthread -fopenmp   conftest.cpp 
>> &5
> conftest.cpp:831:20: fatal error: osmesa.h: No such file or directory
> 
> I have file to bug tracker.
> 
>   <http://savannah.gnu.org/bugs/?53529>
> 
> 
> Thanks for pointer.
> 
> Tatsuro

With Dan's suggestion I could build octave stable with GUI again.
Workaound for Ubnutu 16.04 is written in the below

https://savannah.gnu.org/bugs/?53529#comment#3

HTH

Tatsuro