Ok, this does not work either :/ I guess this is a systemd problem as all the other programs do work. I will try to see there !
Thanks a lot for your help ! Le mer. 4 mars 2015 à 15:43, B Cran <[email protected]> a écrit : > On Wed, Mar 4, 2015 at 8:35 AM, Benjamin Schubert < > [email protected]> wrote: > >> 1) I am running gentoo (hardened version) >> 2) My config is : >> >> CFLAGS="-march=corei7 -mtune=corei7 -mfpmath=sse -msse4.2 -mno-avx >> -mno-avx2 -O2 -pipe" >> CXXFLAGS="${CFLAGS}" >> CHOST="x86_64-pc-linux-gnu" >> >> 3) I rebuilt all the system with the same flags... >> > > Oh, you might need to resort to a reinstall or restore the binaries from > the (stage 3?) tarball to undo any damage: I have no idea where it came > from because those flags _should_ work, but it'll be near-to-impossible > tracking down all the binaries which have been miscompiled. > > '-march=corei7' is for the original i7 which doesn't have avx so it > shouldn't be causing problems. The -march values in gcc 4.9 are: > > AMD Barcelona- march=barcelonaAMD Bobcat- march=btver1AMD Jaguar- > march=btver2AMD Bulldozer- march=bdver1AMD Piledriver- march=bdver2AMD > Steamroller- march=bdver3Intel Westmere- march=westmereIntel Core Nehalem- > march=corei7Intel Core Sandy Bridge- march=corei7-avxIntel Core Ivy Bridge- > march=core-avx-iIntel Core Haswell- march=core-avx2Intel Core Broadwell- > march=broadwellIntel Atom Bonnell- march=bonnellIntel Atom Silvermont > - march=silvermont > > I just tested with -march=silvermont and confirmed that __AVX__ isn't > defined. Maybe some library has a bug and assumes all CPUs newer than X > have AVX support? Probably best to just stick with corei7 (Nehalem) for now > unless you have _lots_ of time to track down where the problem is occurring! > > -- > Bruce > _______________________________________________ > elinux-MinnowBoard mailing list > [email protected] > http://lists.elinux.org/mailman/listinfo/elinux-minnowboard >
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