diff --git a/meta/conf/machine/include/tune-c3.inc b/meta/conf/machine/include/tune-c3.inc
new file mode 100644
index 0000000..fafc28a
--- /dev/null
+++ b/meta/conf/machine/include/tune-c3.inc
@@ -0,0 +1,12 @@
+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"