[U-Boot] [PATCH v4 1/2] tools, config.mk: add binutils-version

[Allen Martin]

On Wed, Aug 01, 2012 at 03:31:37PM -0700, Mike Frysinger wrote:
> On Thursday 19 July 2012 12:54:37 Tom Rini wrote:
> > On 07/19/2012 09:43 AM, Mike Frysinger wrote:
> > > On Thursday 19 July 2012 11:38:39 Tom Rini wrote:
> > >> On 07/19/2012 08:21 AM, Mike Frysinger wrote:
> > >>> On Thursday 19 July 2012 11:08:10 Tom Rini wrote:
> > >>>> On 07/18/2012 08:11 PM, Mike Frysinger wrote:
> > >>>>> On Wednesday 18 July 2012 19:45:52 Allen Martin wrote:
> > >>>>>> +MAJOR=$($gas --version | head -1 | awk '{print $NF}' |
> > >>>>>> cut -d . -f 1) +MINOR=$($gas --version | head -1 | awk
> > >>>>>> '{print $NF}' | cut -d . -f 2) + +printf "%02d%02d\\n"
> > >>>>>> $MAJOR $MINOR
> > >>>>> 
> > >>>>> can be replaced with a single awk script:
> > >>>>> 
> > >>>>> $gas --version | awk '{ gsub(/[.]/, " ", $NF) $0 = $NF
> > >>>>> printf "%02d%02d\n", $1, $2 exit }'
> > >>>> 
> > >>>> That looks much longer and we call this once so a few execs
> > >>>> is noise.
> > >>> 
> > >>> here's a shorter version: $gas --version | awk '{ gsub(/[.]/, "
> > >>> ", $NF); $0 = $NF; printf "%02d%02d\n", $1, $2; exit }'
> > >> 
> > >> And still over 80 chars before we assign it to a variable.  I
> > >> could get it to 77 chars with all whitespace removed.
> > > 
> > > which is why i unrolled it to make it readable.  i don't know what
> > > metrics you're using here, but i don't think the awk version is
> > > "longer" by really any of them.
> > 
> > The metric of 'wc -c' and "what fits in a single line, unwrapped on an
> > 80x24 terminal."  awk is great and awesome, don't get me wrong, but
> > it's not doing the job as compactly as the original.
> 
> obviously i disagree.  i find the awk version "better" in just about every way.  
> maybe someone else will jump in with their favorite bike.

As the original author I don't really care either way, I only care
about working around the assembler bug so I can turn on thumb for
tegra.  But maybe I'll rewrite it in prolog just to mess with you guys
:^)

-Allen
-- 
nvpublic