On Wed, 28 Oct 2015 13:16:24 +0100 David Marchand <david.marchand at 6wind.com> wrote:
> On Tue, Oct 27, 2015 at 8:13 PM, Jan Viktorin <viktorin at rehivetech.com> > wrote: > > > There several issues with alignment when compiling for ARMv7. > > They are not considered to be fatal (ARMv7 supports unaligned > > access of 32b words), so we just leave them as warnings. They > > should be solved later, however. > > > > Signed-off-by: Jan Viktorin <viktorin at rehivetech.com> > > Signed-off-by: Vlastimil Kosar <kosar at rehivetech.com> > > --- > > mk/toolchain/gcc/rte.vars.mk | 6 ++++++ > > 1 file changed, 6 insertions(+) > > > > diff --git a/mk/toolchain/gcc/rte.vars.mk b/mk/toolchain/gcc/rte.vars.mk > > index 0f51c66..8f9c396 100644 > > --- a/mk/toolchain/gcc/rte.vars.mk > > +++ b/mk/toolchain/gcc/rte.vars.mk > > @@ -77,6 +77,12 @@ WERROR_FLAGS += -Wcast-align -Wnested-externs > > -Wcast-qual > > WERROR_FLAGS += -Wformat-nonliteral -Wformat-security > > WERROR_FLAGS += -Wundef -Wwrite-strings > > > > +# There are many issues reported for ARMv7 architecture > > +# which are not necessarily fatal. Report as warnings. > > +ifeq ($(CONFIG_RTE_ARCH_ARMv7),y) > > +WERROR_FLAGS += -Wno-error > > +endif > > + > > > > Can we disable only "known" problems ? > > Something like : > WERROR_FLAGS += -Wno-error=cast-align > > Sure! That's better idea, I always forgot about this possibilities in GCC... Jan -- Jan Viktorin E-mail: Viktorin at RehiveTech.com System Architect Web: www.RehiveTech.com RehiveTech Brno, Czech Republic
