cmd = r'''\
#!/bin/sh
cat > $@ <<"EOF"
-sed -e 's/@ac_cv_have_unistd_h@/1/g' \
+sed -e 's/@ac_cv_cxx_using_operator@/1/g' \
+ -e 's/@ac_cv_have_unistd_h@/1/g' \
-e 's/@ac_cv_have_stdint_h@/1/g' \
-e 's/@ac_cv_have_systypes_h@/1/g' \
-e 's/@ac_cv_have_libgflags_h@/1/g' \