upstream expects GNU egrep
diff -r 6b341f8b68ff nss/tests/common/init.sh
--- nss-3.93/nss/tests/common/init.sh
+++ nss-3.93/nss/tests/common/init.sh
@@ -407,7 +407,7 @@ if [ -z "${INIT_SOURCED}" -o "${INIT_SOU
             # android doesn't have perl, skip the uniq step
             PATH=.:${DIST}/${OBJDIR}/bin:${DIST}/${OBJDIR}/lib:$PATH
         else
-            PATH=.:${DIST}/${OBJDIR}/bin:${DIST}/${OBJDIR}/lib:/bin:/usr/bin:$PATH
+            PATH=.:${DIST}/${OBJDIR}/bin:${DIST}/${OBJDIR}/lib:/usr/gnu/bin:/bin:/usr/bin:$PATH
             # added /bin and /usr/bin in the beginning so a local perl will
             # be used
             PATH=`perl ../path_uniq -d ':' "$PATH"`