[PATCH 2/2] rcmd.c: Removed references to unsupported functions
dufault at hda.com
Sat May 4 09:40:13 UTC 2019
> On May 4, 2019, at 02:37 , Chris Johns <chrisj at rtems.org> wrote:
> On 4/5/19 2:30 pm, Joel Sherrill wrote:
>> On Fri, May 3, 2019, 8:18 PM Chris Johns <chrisj at rtems.org <mailto:chrisj at rtems.org>> wrote:
>> On 4/5/19 9:16 am, Joel Sherrill wrote:
>> > On Fri, May 3, 2019, 6:04 PM Chris Johns <chrisj at rtems.org
>> <mailto:chrisj at rtems.org>
>> > <mailto:chrisj at rtems.org <mailto:chrisj at rtems.org>>> wrote:
>> > On 4/5/19 7:44 am, Lou Woods wrote:
>> > > From: Lou Woods <Lou.Woods at OARCorp.com>
>> > >
>> > > rcmdsh() and innetgr() are referenced by rcmd, but aren’t
>> > > in libbsd and are unresolvable external symbols when
>> libbsd.a is
>> > > processed by the RTL.
>> > Why does this not show up when we statically link?
>> > I wonder if this is related to separate sections where a
>> function in a
>> > file is present but no used and it not linked but is with the
>> > Statically linking an exe normally wouldn't have hit this unless you
>> > referenced rcmd. Ld wouldn't have pulled it out of the library.
>> Oh your app is referencing `rcmd`?
>> No. Lou tracked down the symbols that the RTL showed as undefined. That led us to look into rcmd and rcmdsh. I spotted the fork/exec and realized some chunk had to be removed. Rcmdsh in whole and parts of rcmd.
> What do the module dependencies look like? See ...
> I am sorry I am not following why the rcmd.c file is being loaded. If nothing references any symbols in it it should not be loaded it.
In the code Lou is looking at it is referenced.
>> > FWIW rcmdsh.* needs to be dropped out of the build. It requires
>> > fork/exec so will never work.
>> Should this change be a build system change or is this needed plus the
>> build system change?
>> Both. Rcmdsh.* should not be in libbsd.
> Does the `#if __rtems__` formatting conform to CONTRIBUTING.md ? It looks to me like some extra lines and `#else` with out `__rtems__`.
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