- "hostname=" xstr(CONFIG_HOSTNAME) "\0" \
- "bootfile=" xstr(CONFIG_HOSTNAME) "/uImage\0" \
- "ramdisk_file=" xstr(CONFIG_HOSTNAME) "/uRamdisk\0" \
+ "hostname=" __stringify(CONFIG_HOSTNAME) "\0" \
+ "bootfile=" __stringify(CONFIG_HOSTNAME) "/uImage\0" \
+ "ramdisk_file=" __stringify(CONFIG_HOSTNAME) "/uRamdisk\0" \