[RTEMS Project] #3781: RSB crashes in case the host as an unreadable directory in "/"

[RTEMS trac]

#3781: RSB crashes in case the host as an unreadable directory in "/"
-----------------------------+------------------------------
 Reporter:  Sebastian Huber  |       Owner:  Sebastian Huber
     Type:  defect           |      Status:  accepted
 Priority:  normal           |   Milestone:  5.1
Component:  tool/rsb         |     Version:  5
 Severity:  normal           |  Resolution:
 Keywords:                   |  Blocked By:
 Blocking:                   |
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Comment (by Sebastian Huber):

 I am not sure if these hard errors are really useful, e.g.
 {{{
 $ export PATH=::$PATH
 $ ./source-builder/sb-set-builder --prefix=/build/rtems/5 5/rtems-arm
 --source-only-download
 RTEMS Source Builder - Set Builder, 5 (f3b44b25d135)
 error: environment PATH contains an empty path
 error: host build environment is not set up correctly
 Build FAILED
 }}}
 Why don't we just issue a warning? If something goes wrong the warning
 will show up in the logs.

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Ticket URL: <http://devel.rtems.org/ticket/3781#comment:4>
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