SEASON 3
Build linux kernel

Get a copy of source code

Take a copy of the linux kernel source repository via git software
git clone --depth=1 https://github.com/torvalds/linux
or download a zip file from this link - https://github.com/torvalds/linux/archive/refs/heads/master.zip

Generate .config file

make menuconfig
Here are the images of the some menuconfig options chosen.
menuconfig
Options
kernel .config support
Module unloading
Kernel Function Tracer
Run make help to get the hints and options for building.

build a image

After that do, make bzImage.
/workspace/linux (master) $ make bzImage
SYSHDR arch/x86/include/generated/uapi/asm/unistd_32.h
...
GZIP arch/x86/boot/compressed/vmlinux.bin.gz
HOSTCC arch/x86/boot/compressed/mkpiggy
MKPIGGY arch/x86/boot/compressed/piggy.S
AS arch/x86/boot/compressed/piggy.o
CC arch/x86/boot/compressed/cpuflags.o
CC arch/x86/boot/compressed/early_serial_console.o
CC arch/x86/boot/compressed/kaslr.o
CC arch/x86/boot/compressed/ident_map_64.o
CC arch/x86/boot/compressed/idt_64.o
AS arch/x86/boot/compressed/idt_handlers_64.o
AS arch/x86/boot/compressed/mem_encrypt.o
CC arch/x86/boot/compressed/pgtable_64.o
CC arch/x86/boot/compressed/acpi.o
AS arch/x86/boot/compressed/efi_thunk_64.o
LD arch/x86/boot/compressed/vmlinux
ZOFFSET arch/x86/boot/zoffset.h
AS arch/x86/boot/header.o
CC arch/x86/boot/main.o
CC arch/x86/boot/memory.o
CC arch/x86/boot/pm.o
AS arch/x86/boot/pmjump.o
CC arch/x86/boot/printf.o
CC arch/x86/boot/regs.o
CC arch/x86/boot/string.o
CC arch/x86/boot/tty.o
CC arch/x86/boot/video.o
CC arch/x86/boot/video-mode.o
CC arch/x86/boot/version.o
CC arch/x86/boot/video-vga.o
CC arch/x86/boot/video-vesa.o
CC arch/x86/boot/video-bios.o
LD arch/x86/boot/setup.elf
OBJCOPY arch/x86/boot/setup.bin
OBJCOPY arch/x86/boot/vmlinux.bin
HOSTCC arch/x86/boot/tools/build
BUILD arch/x86/boot/bzImage
Kernel: arch/x86/boot/bzImage is ready (#1)
/workspace/linux (master) $
Note Kernel: arch/x86/boot/bzImage is ready (#1).

Errors

fatal error: libelf.h: No such file or directory
/workspace/linux (master) $ make
SYSHDR arch/x86/include/generated/uapi/asm/unistd_32.h
...
DESCEND objtool
<stdin>:1:10: fatal error: libelf.h: No such file or directory
compilation terminated.
HOSTCC /workspace/linux/tools/objtool/fixdep.o
...
AR /workspace/linux/tools/objtool/libsubcmd.a
CC /workspace/linux/tools/objtool/arch/x86/special.o
In file included from /workspace/linux/tools/objtool/include/objtool/objtool.h:13,
from /workspace/linux/tools/objtool/include/objtool/arch.h:11,
from /workspace/linux/tools/objtool/include/objtool/check.h:11,
from /workspace/linux/tools/objtool/include/objtool/special.h:10,
from arch/x86/special.c:4:
/workspace/linux/tools/objtool/include/objtool/elf.h:10:10: fatal error: gelf.h: No such file or directory
10 | #include <gelf.h>
| ^~~~~~~~
compilation terminated.
make[4]: *** [/workspace/linux/tools/build/Makefile.build:97: /workspace/linux/tools/objtool/arch/x86/special.o] Error 1
make[3]: *** [/workspace/linux/tools/build/Makefile.build:139: arch/x86] Error 2
make[2]: *** [Makefile:56: /workspace/linux/tools/objtool/objtool-in.o] Error 2
make[1]: *** [Makefile:69: objtool] Error 2
make: *** [Makefile:1337: tools/objtool] Error 2
Install libelf-dev package

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Get a copy of source code
Generate .config file
build a image
Errors
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