- ZFS_MODULE_CFLAGS = -I$(srctree)/include/zfs -I$(srctree)/include/spl
- ZFS_MODULE_CFLAGS += -include $(srctree)/spl_config.h -include $(srctree)/zfs_config.h
+ ZFS_MODULE_CFLAGS = -I$(srctree)/include/zfs
+ ZFS_MODULE_CFLAGS += -I$(srctree)/include/spl
+ ZFS_MODULE_CFLAGS += -include $(srctree)/spl_config.h
+ ZFS_MODULE_CFLAGS += -include $(srctree)/zfs_config.h
+ ZFS_MODULE_CLFAGS += -std=gnu99