Re: Automake barfing on $(shell ...) syntax?

[Philip Prindeville]

On 12/22/10 2:23 PM, Nick Bowler wrote:
> On 2010-12-20 17:39 -0800, Philip Prindeville wrote:
> > The odd thing is that even though it complains, it still generates the
> > correct Makefile in the first case:
> >
> > SYMFILES = $(srcdir)/uni.h $(shell $(CC) $(CFLAGS) -E
> > $(srcdir)/header.c | $(AWK) -f $(srcdir)/script.awk)
> >
> > Does automake need to be $(shell ...)-aware?
> The warning is:
>
> > src/q2931/Makefile.am:21: shell $(CC: non-POSIX variable name
> > src/q2931/Makefile.am:21: (probably a GNU make extension)
> and automake is entirely correct; you are using a GNU make extension.
> Ideally, you should avoid the use of such non-portable extensions, but
> if it is not feasible, you may disable the warning by passing
> -Wno-portability to AM_INIT_AUTOMAKE.

Since I only needed it in the child Makefile, I stuffed it into 
src/q2931/Makefile.am as:

AUTOMAKE_OPTIONS = -Wno-portability

and that fixed it.  Thanks!!!!