On Tue, May 5, 2020 at 4:33 PM Khem Raj <[email protected]> wrote: > > gcc-runtime/libatomic explicitly add -march=armv8-a+lse for all arch64 > but cortex-a55 is armv8.2-a, which essentially conflicts, so let gcc > override it by not forcing the -mcpu option from TUNE_CCARGS > > Signed-off-by: Khem Raj <[email protected]> > --- > meta/recipes-devtools/gcc/gcc-runtime.inc | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/meta/recipes-devtools/gcc/gcc-runtime.inc > b/meta/recipes-devtools/gcc/gcc-runtime.inc > index ace706dbf4..547644572a 100644 > --- a/meta/recipes-devtools/gcc/gcc-runtime.inc > +++ b/meta/recipes-devtools/gcc/gcc-runtime.inc > @@ -18,6 +18,10 @@ EXTRA_OECONF_append_linuxstdbase = " --enable-clocale=gnu" > EXTRA_OECONF_append = " --cache-file=${B}/config.cache" > EXTRA_OECONF_append_libc-newlib = " --with-newlib" > > +# A55 is ARMv82.1 based but libatomic explicitly asks for -march=armv8.1a
Typo. > +# which caused march conflicts in gcc > +TUNE_CCARGS_remove = "-mcpu=cortex-a55+crc cortex-a55 > -mcpu=cortex-a55+crc+crypto" Do you mean "-mcpu=cortex-a55" instead of just "cortex-a55" ? > + > # Disable ifuncs for libatomic on arm conflicts -march/-mcpu > EXTRA_OECONF_append_arm = " libat_cv_have_ifunc=no " > EXTRA_OECONF_append_armeb = " libat_cv_have_ifunc=no " > -- > 2.26.2 > >
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