[PATCH 2/2] rcmd.c: Removed references to unsupported functions

Chris Johns chrisj at rtems.org
Sat May 4 01:18:22 UTC 2019


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>> 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 available
>      > 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 RTL?
> 
> 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`?

> 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?

Chris



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