[   77s] ../grub-core/fs/jfs.c: In function 'getblk':
[   77s] ../grub-core/fs/jfs.c:300:32: error: taking address of packed member
of 'struct grub_jfs_data' may result in an unaligned pointer value
[-Werror=address-of-packed-member]
[   77s]   300 |       if (!grub_disk_read (data->disk,
[   77s]       |                            ~~~~^~~~~~
[   77s] ../grub-core/fs/jfs.c: In function 'grub_jfs_read_inode':
[   77s] ../grub-core/fs/jfs.c:339:27: error: taking address of packed member
of 'struct grub_jfs_data' may result in an unaligned pointer value
[-Werror=address-of-packed-member]
[   77s]   339 |   if (grub_disk_read (data->disk,
[   77s]       |                       ~~~~^~~~~~
[   77s] ../grub-core/fs/jfs.c:351:27: error: taking address of packed member
of 'struct grub_jfs_data' may result in an unaligned pointer value
[-Werror=address-of-packed-member]
[   77s]   351 |   if (grub_disk_read (data->disk, inoblk, 0,
[   77s]       |                       ~~~~^~~~~~
[   77s] ../grub-core/fs/jfs.c: In function 'grub_jfs_mount':
[   77s] ../grub-core/fs/jfs.c:393:27: error: taking address of packed member
of 'struct grub_jfs_data' may result in an unaligned pointer value
[-Werror=address-of-packed-member]
[   77s]   393 |   if (grub_disk_read (data->disk, GRUB_JFS_FS1_INODE_BLK, 0,
[   77s]       |                       ~~~~^~~~~~
[   77s] ../grub-core/fs/jfs.c: In function 'grub_jfs_opendir':
[   77s] ../grub-core/fs/jfs.c:467:31: error: taking address of packed member
of 'struct grub_jfs_data' may result in an unaligned pointer value
[-Werror=address-of-packed-member]
[   77s]   467 |       if (grub_disk_read (data->disk, blk, 0,
[   77s]       |                           ~~~~^~~~~~
[   77s] ../grub-core/fs/jfs.c: In function 'grub_jfs_getent':
[   77s] ../grub-core/fs/jfs.c:535:37: error: taking address of packed member
of 'struct grub_jfs_data' may result in an unaligned pointer value
[-Werror=address-of-packed-member]
[   77s]   535 |       if (grub_disk_read (diro->data->disk, next, 0,
[   77s]       |                           ~~~~~~~~~~^~~~~~
[   77s] ../grub-core/fs/jfs.c:557:44: error: taking address of packed member
of 'struct grub_jfs_leaf_dirent' may result in an unaligned pointer value
[-Werror=address-of-packed-member]
[   77s]   557 |   le_to_cpu16_copy (filename + strpos, leaf->namepart, len <
diro->data->namecomponentlen ? len
[   77s]       |                                        ~~~~^~~~~~~~~~
[   77s] ../grub-core/fs/jfs.c:570:48: error: taking address of packed member
of 'struct grub_jfs_leaf_next_dirent' may result in an unaligned pointer value
[-Werror=address-of-packed-member]
[   77s]   570 |  le_to_cpu16_copy (filename + strpos, next_leaf->namepart, len
< 15 ? len : 15);
[   77s]       |                                       ~~~~~~~~~^~~~~~~~~~
[   77s] ../grub-core/fs/jfs.c: In function 'grub_jfs_read_file':
[   77s] ../grub-core/fs/jfs.c:629:27: error: taking address of packed member
of 'struct grub_jfs_data' may result in an unaligned pointer value
[-Werror=address-of-packed-member]
[   77s]   629 |       grub_disk_read (data->disk,
[   77s]       |                       ~~~~^~~~~~
[   77s] cc1: all warnings being treated as errors

and similar errors with -Werror=address-of-packed-member