Hi Bruce, On 06/09/2015 02:51 PM, Bruce Richardson wrote: > On Fedora 22, the "ar" binary operates by default in deterministic mode, > making the "u" parameter irrelevant, and leading to warning messages > getting printed in the build output like below. > > INSTALL-LIB librte_kvargs.a > ar: `u' modifier ignored since `D' is the default (see `U') > > There are two options to remove these warnings: > * add in the "U" flag to make "ar" non-deterministic again > * remove the "u" flag to have all objects always updated > > This patch takes the second approach. It also explicitly adds in the "D" > flag to make behaviour consistent across different distributions which > may have different defaults. > > Signed-off-by: Bruce Richardson <bruce.richardson at intel.com>
Acked-by: Olivier Matz <olivier.matz at 6wind.com> > > --- > V2 Changes: Add in "D" flag for consistency across distros. > --- > mk/rte.lib.mk | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/mk/rte.lib.mk b/mk/rte.lib.mk > index 0d7482d..25aa989 100644 > --- a/mk/rte.lib.mk > +++ b/mk/rte.lib.mk > @@ -70,7 +70,7 @@ else > _CPU_LDFLAGS := $(CPU_LDFLAGS) > endif > > -O_TO_A = $(AR) crus $(LIB) $(OBJS-y) > +O_TO_A = $(AR) crDs $(LIB) $(OBJS-y) > O_TO_A_STR = $(subst ','\'',$(O_TO_A)) #'# fix syntax highlight > O_TO_A_DISP = $(if $(V),"$(O_TO_A_STR)"," AR $(@)") > O_TO_A_CMD = "cmd_$@ = $(O_TO_A_STR)" >