GZIP option can be manually de-selected when UBIFS is enabled. This cause
following compile error because ubifs calls gzip functions.
/tmp/ccxVrh2c.ltrans1.ltrans.o: in function `gzip_decompress.lto_priv.566':
<artificial>:(.text+0x768): undefined reference to `zunzip'
collect2: error: ld returned 1 exit status
make: *** [Makefile:1813: u-boot] Error 1
So add missing dependency on GZIP.
Signed-off-by: Pali Rohár <pali@kernel.org>
depends on CMD_UBI
default y if CMD_UBI
select LZO
+ select GZIP
help
UBIFS is a file system for flash devices which works on top of UBI.