require conf/machine/include/x86/arch-x86.inc

TUNEVALID[c3] = "VIA Cyrix III or VIA C3 specific optimizations"
TUNECONFLICTS[c3] = "m64 mx32"
TUNE_CCARGS .= "${@bb.utils.contains('TUNE_FEATURES', 'c3', ' -march=c3 -mtune=c3', '', d)}"

AVAILTUNES += "c3"
TUNE_FEATURES:tune-c3 = "${TUNE_FEATURES:tune-x86} c3"
BASE_LIBS:tune-c3 = "${BASE_LIB:tune-x86}"
# The following should likely be something other then i586...
TUNE_PKGARCH:tune-c3 = "i586"
PACKAGE_EXTRA_ARCHS:tune-c3 = "${PACKAGE_EXTRA_ARCHS:tune-x86} i386 i486 i586"