cat > conftest.c <<\EOF
foo () { }
EOF
-if { ac_try='${CC-cc} -S conftest.c -o - | fgrep '$foo..ng' > /dev/null'; { (eval echo configure:2321: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; };
+if { ac_try='${CC-cc} -S conftest.c -o - | fgrep "\$foo..ng" > /dev/null'; { (eval echo configure:2321: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; };
then
libc_cv_gcc_alpha_ng_prefix=yes
else