[CMake] Empty ERROR_VARIABLE in execute_process

[Roman Wüger]

As an addition:

If I run "C:\Qt\5.6\msvc2015\bin\qmllint.exe test.qml 1> stdout.txt 2> stderr.txt"

Then the error is written to stderr.txt.

Regards
Roman

> Am 23.05.2016 um 09:25 schrieb Roman Wüger <roman.wueger at gmx.at>:
> 
> Hello,
> 
> when I run qmllint from the command line to test an error I get:
> 
> C:\Tests>C:\Qt\5.6\msvc2015\bin\qmllint.exe test.qml
> test.qml:1 : Syntax error
> 
> C:\Tests>echo %ERRORLEVEL%
> -1
> 
> C:\Tests>
> 
> 
> If I call this from a CMake script
> 
> execute_process(COMMAND C:/Qt/5.6/msvc2015/bin/qmllint.exe C:/Tests/test.qml
>                RESULT_VARIABLE _resVar
>                OUTPUT_VARIABLE _outVar
>                ERROR_VARIABLE _errVar
>              OUTPUT_STRIP_TRAILING_WHITESPACE
>                ERROR_STRIP_TRAILING_WHITESPACE)
> 
> message("_resVar: ${_resVar}")
> message("_outVar: ${_outVar}")
> message("_errVar: ${_errVar}")
> 
> The output is:
> 
> 1>  _resVar: -1
> 1>  _outVar:
> 1>  _errVar:
> 
> It seems that the error pipe isn’t read correctly, because _errVar is empty.
> 
> And hints?
> 
> Regards
> Roman
> 
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