[Scons-users] error 127

[Peter Kerpedjiev]

On 6/4/14, 9:49 PM, Pawel Tomulik wrote:
> W dniu 04.06.2014 21:18, Peter Kerpedjiev pisze:
>>
>> On 6/4/14, 9:27 AM, Pawel Tomulik wrote:
>>> W dniu 02.06.2014 06:55, Peter Kerpedjiev pisze:
>>>> Hi,
>>>>
>>>> I'm getting an error 127 and have no idea why. It comes up after 
>>>> running
>>>> a simple cat command. Here's the relevant sections of the SConstruct
>>>> file:
>>>>
>>>> import os
>>>>
>>>> env = Environment(ENV=os.environ)
>>>> consolidate_angles = Builder(action="cat $SOURCES > $TARGET")
>>>> ...
>>>> env.consolidate(output_angles, angles_files)
>>>>
>>>> Where output_angles = 'some_file.csv' and angles_files = ['file1.csv',
>>>> 'file2.csv', ... ]. I've attached the output and the error I get. The
>>>> array angles_files has about 5000 entries. If I reduce it to 3000,
>>>> the build completes without errors. If I take entries 3000 - 5000,
>>>> I also don't get any errors, leading me to believe that it's the 
>>>> length
>>>> of the argument list that's problematic. If I run the corresponding
>>>> command with all 5000 arguments on the command line, it works fine.
>>>>
>>>> Any ideas about why this happens and/or how to fix it? Like I said, 
>>>> if I
>>>> copy and paste the command into bash, it works just fine. It's also 
>>>> the
>>>> last command in the SConstruct file, if that makes any difference.
>>>>
>>>
>>>
>>> Maybe SCons uses different shell? Maybe it spawns the command in
>>> completely different manner (not using a shell?). You may try to
>>> implement and run simple 'echo $SHELL' command from SCons to see what
>>> you deal with.
>>>
>> The output is 'sh'. Is there a way to force it to use bash? I'm calling
>> scons from a bash shell.
>
>
> env['SHELL'] = 'bash' ?
>
I tried that, but I still get the same error. The number of arguments as 
well as the length of the string containing them should both be less 
than the limit for bash. Besides, error 127 should mean file not found 
if it was a shell error.