Hello Michal, On 01/03/2014 10:01 AM, Michal Marek wrote: > On 2013-12-05 22:56, Emil Medve wrote: >> make-4 changed the way/order it presents the command line options >> into MAKEFLAGS >> >> In make-3.8x, '-s' would always be first into a group of options >> with the '-'/hyphen removed >> >> $ make -p -s 2>/dev/null | grep ^MAKEFLAGS >> MAKEFLAGS = sp >> >> In make-4, '-s' seems to always be last into a group of options >> with the '-'/hyphen removed >> >> $ make -s -p 2>/dev/null | grep ^MAKEFLAGS >> MAKEFLAGS = ps >> >> Signed-off-by: Emil Medve <Emilian.Medve@xxxxxxxxxxxxx> >> --- >> Makefile | 6 ++++++ >> 1 file changed, 6 insertions(+) >> >> diff --git a/Makefile b/Makefile >> index 2c88e44..0332949 100644 >> --- a/Makefile >> +++ b/Makefile >> @@ -311,9 +311,15 @@ endif >> # If the user is running make -s (silent mode), suppress echoing of >> # commands >> >> +ifneq ($(filter 4.%,$(MAKE_VERSION)),) # make-4 >> +ifneq ($(filter %s -s%,$(MAKEFLAGS)),) > > The -s% here is unnecessary for two reasons: as you say, s is always at > the end with make 4, and even if a long option is used, the hyphen is > omitted: > > 3.82: > $ make -s -p --no-print-directory | grep MAKEFLAGS > MAKEFLAGS = --no-print-directory -sp I was wondering how to account for the '-s%' pattern so I just preserved it for make-4 > $ ./make/make -s -p --no-print-directory | grep MAKEFLAGS > GNUMAKEFLAGS := > MAKEFLAGS = ps --no-print-directory > > And according to > http://git.savannah.gnu.org/cgit/make.git/commit/?id=a674abe702cc0c017209a3186c32df050ff21f41, > the space character is always there, even if there are no single-letter > options. So we can do something like > > ifneq ($(filter %s ,$(firstword x$(MAKEFLAGS))),) > > and avoid accidentally matching things like --debug=jobs. Does the above > work for you? That's fine. I'll resubmit Cheers, -- To unsubscribe from this list: send the line "unsubscribe linux-kbuild" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
