jextract for operating system API

[Jorn Vernee]

On 05/09/2022 16:03, Manuel Bleichenbacher wrote:
> Minor annoyances are:
>
>>
>>     - jextract on Windows is a batch file that never returns. So it's
>>     not possible to call jextract multiple times for a single batch file.
>     I don't see that issue when I run it on my machine. You mean e.g.
>     `jextract --help` never returns to the command prompt?
>
>
> The problem is different. If I have a batch file like this:
>
> jextract header1.h
> jextract header2.h
>
> Then the second command is never executed since jextract never returns 
> to the calling batch file. If you have nested batch file, you would 
> generally need to use "call". But that doesn't help since the 
> command.exe process is replaced with the java process.

If I use this in a batch file:

     call jextract --output out1 header1.h
     call jextract --output out2 header2.h

I see both output directories being generated (though jextract.bat turns 
echo off, so I don't see the second command printed). I'm not sure why 
it doesn't work for you.

Note that using powershell also sidesteps the issue of having to use 
`call`. i.e. just this works:

     jextract --output out1 header1.h
     jextract --output out2 header2.h

Jorn
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