mkbootimg.c.text+0x7d4): undefined reference to `SHA1_Init'
mkbootimg.c.text+0x7f5): undefined reference to `SHA1_Update'
mkbootimg.c.text+0x817): undefined reference to `SHA1_Update'
mkbootimg.c.text+0x838): undefined reference to `SHA1_Update'
mkbootimg.c.text+0x85a): undefined reference to `SHA1_Update'
mkbootimg.c.text+0x87b): undefined reference to `SHA1_Update'