diff --git a/meta-yocto/conf/local.conf.sample.extended b/meta-yocto/conf/local.conf.sample.extended
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+++ b/meta-yocto/conf/local.conf.sample.extended
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+# eglibc configurability is used to reduce minimal images's size.
+# the all supported eglibc options are listed in DISTRO_FEATURES_LIBC
+# and disabled by default. Uncomment and copy the DISTRO_FEATURES_LIBC
+# and DISTRO_FEATURES definitions to local.conf to enable the options.
+#DISTRO_FEATURES_LIBC = "ipv6 libc-backtrace libc-big-macros libc-bsd libc-cxx-tests libc-catgets libc-charsets libc-crypt \
+#               libc-crypt-ufc libc-db-aliases libc-envz libc-fcvt libc-fmtmsg libc-fstab libc-ftraverse \
+#               libc-getlogin libc-idn libc-inet libc-inet-anl libc-libm libc-libm-big libc-locales libc-locale-code \
+#               libc-memusage libc-nis libc-nsswitch libc-rcmd libc-rtld-debug libc-spawn libc-streams libc-sunrpc \
+#               libc-utmp libc-utmpx libc-wordexp libc-posix-clang-wchar libc-posix-regexp libc-posix-regexp-glibc \
+#               libc-posix-wchar-io"
+
+#DISTRO_FEATURES = "alsa bluetooth ext2 irda pcmcia usbgadget usbhost wifi nfs zeroconf pci ${DISTRO_FEATURES_LIBC}"