bug#21956: subdir-objecs dies with "rm: cannot remove 'emxp_cm_bl': Is a directory", even git version

[Joakim Tjernlund]

On Thu, 2015-11-19 at 15:54 +1000, Peter Johansson wrote:
> Hi Joakim,
> 
> On 11/19/2015 11:15 AM, Joakim Tjernlund wrote:
> > automake>= 1.13 (did not test lower than that) dies during make with:
> >   CCLD     emxp_cm_bl_shell
> >   rm: cannot remove 'emxp_cm_bl': Is a directory
> >   Makefile:1070: recipe for target 'emxp_cm_bl' failed
> > 
> > This happens if you have the same name on the containing directory and
> > in bin_PROGRAMS, like so
> >    bin_PROGRAMS = emxp_hw_bl
> 
> You try to create a program named 'emxp_hw_bl'.
> 
> >    emxp_hw_bl_SOURCES = emxp_hw_bl/emxp_hw_bl.c
> 
> But that name is already taken by the directory (in which the source 
> files resides).
> 
> If you think this is a bug, what do you think is the preferable behaviour?

hmm, I see the problem.

How do I change Makefile.am, with minimal effort as we have alot of them?
Tried 
  bin_PROGRAMS += emxp_hw_bl/emxp_hw_bl
but that gives me:
ne/emxp_ss/emxp_hw_bl/Makefile.inc:14: warning: variable 'emxp_hw_bl_SOURCES' 
is defined but no program or
ne/emxp_ss/emxp_hw_bl/Makefile.inc:14: library has 'emxp_hw_bl' as canonical 
name (possible typo)
ne/emxp_ss/Makefile.am:15:   'ne/emxp_ss/emxp_hw_bl/Makefile.inc' included from 
here
ne/emxp_ss/emxp_hw_bl/Makefile.inc:1: warning: variable 'emxp_hw_bl_LDADD' is 
defined but no program or
ne/emxp_ss/emxp_hw_bl/Makefile.inc:1: library has 'emxp_hw_bl' as canonical 
name (possible typo)
ne/emxp_ss/Makefile.am:15:   'ne/emxp_ss/emxp_hw_bl/Makefile.inc' included from 
here
ne/emxp_ss/emxp_hw_bl/Makefile.inc:2: warning: variable 
'emxp_hw_bl_common_LDADD' is defined but no program or
ne/emxp_ss/emxp_hw_bl/Makefile.inc:2: library has 'emxp_hw_bl_common' as 
canonical name (possible typo)
ne/emxp_ss/Makefile.am:15:   'ne/emxp_ss/emxp_hw_bl/Makefile.inc' included from 
here