diff --git a/conf/machine/include/tune-ppc440.inc b/conf/machine/include/tune-ppc440.inc
index 371fdf9..35e93e9 100644
--- a/conf/machine/include/tune-ppc440.inc
+++ b/conf/machine/include/tune-ppc440.inc
@@ -10,4 +10,5 @@ TUNE_FEATURES_tune-ppc440 = "m32 fpu-soft ppc440"
 TUNE_PKGARCH_tune-ppc440 = "ppc440"
 PACKAGE_EXTRA_ARCHS_tune-ppc440 = "${PACKAGE_EXTRA_ARCHS_tune-powerpc-nf} ppc440"
 
-#MACHINEOVERRIDES .= "ppc440"
+# glibc configure options to get ppc440 specific library (for sqrt)
+GLIBC_EXTRA_OECONF += "${@bb.utils.contains("TUNE_FEATURES", "ppc440", "-with-cpu=440", "", d)}"