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Date: Thu, 12 Apr 2012 19:55:22 -0400
From: Philip Tricca <flihp@twobit.us>
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Subject: Re: native recipe and sysroot-destdir troubles
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More / better info:

On 04/12/2012 10:44 AM, Philip Tricca wrote:
> I'm working on two new recipes and both are working quite well.  Now I
> need native variants and online sources indicate this should be done
> through BBCLASSEXTEND = "native".  For one of my recipes this works
> fine, for the other not so much.
> 
> The error I'm seeing seems to be in the staging of the sysroot-destdir
> which ends up being empty though the source code builds fine (image
> directory has everything expected). do_populate_sysroot seems to assume
> there's a directory structure present which ends up being empty causing
> an error when it trys to tar the directory up.  If I create the
> directories do_populate_sysroot expects the recipe runs to completion
> but sysroot-destdir still ends up being empty and no packages are built.

Image directiory is populated as expected (has lib, usr/include etc with
expected files).  Build is failing on populate_sysroot:

CalledProcessError: Command 'tar -cf - -C
/home/build/poky-edison-6.0/build/tmp/work/i686-linux/libmylib-native-2.1.4-r0/sysroot-destdir///home/build/poky-edison-6.0/build/tmp/sysroots/i686-linux
-ps . | tar -xf - -C
/home/build/poky-edison-6.0/build/tmp/sysroots/i686-linux' returned
non-zero exit status 2 with output tar:
/home/build/poky-edison-6.0/build/tmp/work/i686-linux/libmylib-native-2.1.4-r0/sysroot-destdir///home/build/poky-edison-6.0/build/tmp/sysroots/i686-linux:
Cannot chdir: No such file or directory
tar: Error is not recoverable: exiting now

The failure is obviously due to sysroot-destdir being empty.  The
question is why this directory is populated for libmylib but not for
libmylib-native ... they're built from the same recipe.

Stack trace:

ERROR: The stack trace of python calls that resulted in this
exception/failure was:
ERROR:   File "sstate_task_postfunc", line 10, in <module>
ERROR:
ERROR:   File "sstate_task_postfunc", line 4, in sstate_task_postfunc
ERROR:
ERROR:   File "sstate.bbclass", line 19, in sstate_install
ERROR:
ERROR:   File "/home/build/poky-edison-6.0/meta/lib/oe/path.py", line
59, in copytree
ERROR:     check_output(cmd, shell=True, stderr=subprocess.STDOUT)
ERROR:
ERROR:   File "/home/build/poky-edison-6.0/meta/lib/oe/path.py", line
121, in check_output
ERROR:     raise CalledProcessError(retcode, cmd, output=output)
ERROR:
ERROR: The code that was being executed was:
ERROR:      0006:        bb.build.exec_func(intercept, d)
ERROR:      0007:    sstate_package(shared_state, d)
ERROR:      0008:
ERROR:      0009:
ERROR:  *** 0010:sstate_task_postfunc(d)
ERROR:      0011:
ERROR: (file: 'sstate_task_postfunc', lineno: 10, function: <module>)
ERROR:      0001:
ERROR:      0002:def sstate_task_postfunc(d):
ERROR:      0003:    shared_state = sstate_state_fromvars(d)
ERROR:  *** 0004:    sstate_install(shared_state, d)
ERROR:      0005:    for intercept in shared_state['interceptfuncs']:
ERROR:      0006:        bb.build.exec_func(intercept, d)
ERROR:      0007:    sstate_package(shared_state, d)
ERROR:      0008:
ERROR: (file: 'sstate_task_postfunc', lineno: 4, function:
sstate_task_postfunc)
ERROR: Function 'sstate_task_postfunc' failed

Thanks,
- Philip