While booting from SD Card i am getting following error.

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Please run the toolchain and follow below commands and try make mrproper make rugged_board_a5d2x_mmc1_defconfig make

when i am doing make rugged_board_a5d2x_mmc1_defconfig

I am getting following error

cripts/kconfig/confdata.c: In function ‘conf_write’:

scripts/kconfig/confdata.c:771:22: warning: ‘%s’ directive writing likely 7 or more bytes into a region of size between 1 and 4097 [-Wformat-overflow=]

771 | sprintf(newname, "%s%s", dirname, basename);

| ^~

scripts/kconfig/confdata.c:771:19: note: assuming directive output of 7 bytes

771 | sprintf(newname, "%s%s", dirname, basename);

| ^~~~~~

In file included from /usr/include/stdio.h:867,

from scripts/kconfig/zconf.tab.c:77:

/usr/include/x86_64-linux-gnu/bits/stdio2.h:36:10: note: ‘__builtin___sprintf_chk’ output 1 or more bytes (assuming 4104) into a destination of size 4097

36 | return __builtin___sprintf_chk (__s, __USE_FORTIFY_LEVEL - 1,

| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

37 | __bos (__s), __fmt, __va_arg_pack ());

| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

In file included from scripts/kconfig/zconf.tab.c:2455:

scripts/kconfig/confdata.c:774:23: warning: ‘.tmpconfig.’ directive writing 11 bytes into a region of size between 1 and 4097 [-Wformat-overflow=]

774 | sprintf(tmpname, "%s.tmpconfig.%d", dirname, (int)getpid());

| ^~~~~~~~~~~

In file included from /usr/include/stdio.h:867,

from scripts/kconfig/zconf.tab.c:77:

/usr/include/x86_64-linux-gnu/bits/stdio2.h:36:10: note: ‘__builtin___sprintf_chk’ output between 13 and 4119 bytes into a destination of size 4097

36 | return __builtin___sprintf_chk (__s, __USE_FORTIFY_LEVEL - 1,

| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

37 | __bos (__s), __fmt, __va_arg_pack ());

| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

HOSTLD scripts/kconfig/conf

#

# configuration written to .config

#

and then i am doing make

it generate boot.bin

but it is getting success.

Is it because of above warning

please follow below link to compile the uboot image

developer.ruggedboard.com

Can you please explain which procedure followed?