Fwd: [grub-devel] error when compiling getroot

[Javier Vasquez]

I'm getting the following error when compiling from latest git repo
(e7b66a28de17b085a9b71d6c500b0b139e94d818) on mipsel (loongson-2f):

gcc -DHAVE_CONFIG_H -I.          -Wall -W -I./include -DGRUB_UTIL=1
-DGRUB_LIBDIR=\"/usr/lib/grub\" -DLOCALEDIR=\"/usr/share/locale\"
-DGRUB_FILE=\"grub-core/osdep/getroot.c\" -I. -I. -I. -I. -I./include
-I./include -I./grub-core/lib/libgcrypt-grub/include
-I./grub-core/lib/libgcrypt-grub/src/  -I./grub-core/gnulib
-I./grub-core/gnulib                  -Wall -W -Wshadow
-Wold-style-definition -Wpointer-arith -Wundef -Wextra -Wattributes
-Wcast-align -Wchar-subscripts -Wcomment -Wdeprecated-declarations
-Wdisabled-optimization -Wdiv-by-zero -Wendif-labels -Wfloat-equal
-Wformat-extra-args -Wformat-security -Wformat-y2k -Wimplicit
-Wimplicit-function-declaration -Wimplicit-int -Winit-self
-Wint-to-pointer-cast -Winvalid-pch -Wmain -Wmissing-braces
-Wmissing-field-initializers -Wmissing-format-attribute -Wmultichar
-Wnonnull -Woverflow -Wparentheses -Wpointer-arith
-Wpointer-to-int-cast -Wreturn-type -Wsequence-point -Wshadow
-Wsign-compare -Wstrict-aliasing -Wswitch -Wtrigraphs -Wundef
-Wunknown-pragmas -Wunused -Wunused-function -Wunused-label
-Wunused-parameter -Wunused-value  -Wunused-variable -Wvariadic-macros
-Wvolatile-register-var -Wwrite-strings -Wnested-externs
-Wstrict-prototypes -Wpointer-sign -Werror  -Wno-undef
-Wno-sign-compare -Wno-unused -Wno-unused-parameter
-Wno-redundant-decls -Wno-unreachable-code -Wno-conversion
-Wno-old-style-definition -Wno-unsafe-loop-optimizations          -MT
grub-core/osdep/libgrubkern_a-getroot.o -MD -MP -MF
grub-core/osdep/.deps-util/libgrubkern_a-getroot.Tpo -c -o
grub-core/osdep/libgrubkern_a-getroot.o `test -f
'grub-core/osdep/getroot.c' || echo './'`grub-core/osdep/getroot.c
In file included from grub-core/osdep/getroot.c:2:0:
grub-core/osdep/linux/getroot.c: In function ?get_btrfs_fs_prefix?:
grub-core/osdep/linux/getroot.c:317:10: error: cast increases required
alignment of target type [-Werror=cast-align]
    nid = (grub_uint64_t *) (sargs.buf + 16);
          ^
grub-core/osdep/linux/getroot.c:319:9: error: cast increases required
alignment of target type [-Werror=cast-align]
    br = (struct grub_btrfs_root_backref *) (sargs.buf + 32);
         ^
grub-core/osdep/linux/getroot.c:345:10: error: cast increases required
alignment of target type [-Werror=cast-align]
    nid = (grub_uint64_t *) (sargs.buf + 16);
          ^
grub-core/osdep/linux/getroot.c:348:9: error: cast increases required
alignment of target type [-Werror=cast-align]
    ir = (struct grub_btrfs_inode_ref *) (sargs.buf + 32);
         ^
cc1: all warnings being treated as errors
make[2]: *** [grub-core/osdep/libgrubkern_a-getroot.o] Error 1
make[2]: Leaving directory
`/home/general/download/grub/grub-e7b66a28de17b085a9b71d6c500b0b139e94d818'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory
`/home/general/download/grub/grub-e7b66a28de17b085a9b71d6c500b0b139e94d818'
make: *** [all] Error 2

Any idea?

--
Javier.