diff --git a/import-layers/yocto-poky/meta/conf/machine/include/tune-i686.inc b/import-layers/yocto-poky/meta/conf/machine/include/tune-i686.inc
new file mode 100644
index 0000000..bdb4799
--- /dev/null
+++ b/import-layers/yocto-poky/meta/conf/machine/include/tune-i686.inc
@@ -0,0 +1,27 @@
+#
+# The i686 CPU family was introduced with the Intel Pentium Pro in 1995.
+# It has as required feature flags: fpu tsc cx8 cmov.
+#
+# It is the minimum CPU required by the Debian i386 port.
+# https://lists.debian.org/debian-devel-announce/2016/05/msg00001.html
+#
+#
+
+DEFAULTTUNE ?= "i686"
+
+# Set x86 target arch to i686, so that glibc enables SSE optimised memcpy, etc.
+X86ARCH32 ?= "i686"
+
+# Include the previous tune to pull in PACKAGE_EXTRA_ARCHS
+require conf/machine/include/tune-i586.inc
+
+# Extra tune features
+TUNEVALID[i686] = "Enable i686 specific processor optimizations"
+TUNE_CCARGS .= "${@bb.utils.contains('TUNE_FEATURES', 'i686', ' -march=i686', '', d)}"
+
+# Extra tune selections
+AVAILTUNES += "i686"
+TUNE_FEATURES_tune-i686 = "${TUNE_FEATURES_tune-x86} i686"
+BASE_LIB_tune-i686 = "lib"
+TUNE_PKGARCH_tune-i686 = "i686"
+PACKAGE_EXTRA_ARCHS_tune-i686 = "${PACKAGE_EXTRA_ARCHS_tune-i586} i686"