Build BusyBox in Docker

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Programming/ C/C++
| Programming C/C++

Build BusyBox in Docker

Download BusyBox

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# aria2c https://busybox.net/downloads/busybox-1.31.1.tar.bz2

06/09 13:43:20 [NOTICE] Downloading 1 item(s)

06/09 13:43:21 [NOTICE] Download complete: /tmp/tmp.e6xObfyoNJ/busybox-1.31.1.tar.bz2

Download Results:
gid   |stat|avg speed  |path/URI
======+====+===========+=======================================================
201313|OK  |    12MiB/s|/tmp/tmp.e6xObfyoNJ/busybox-1.31.1.tar.bz2

Status Legend:
(OK):download completed.

Build BusyBox by Fedora

Create the Container

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# docker run --rm -it -v `pwd`:/root -w /tmp fedora:31

Setup repository mirrors

Only if you are happy with the my repository settings of Fedora.

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# rm -f /etc/yum.repos.d/*
# cp /root/fedora.repo /etc/yum.repos.d/

Install packages

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# dnf upgrade --setopt=install_weak_deps=False --best --assumeyes
# dnf install --setopt=install_weak_deps=False --best --assumeyes \
    bzip2 which findutils diffutils file procps-ng make gcc

Build BusyBox

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# tar -xjf /root/busybox-1.31.1.tar.bz2
# cd busybox-1.31.1/

# make defconfig
# make -j4

Verification

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# du -ks busybox busybox_unstripped
944     busybox
1108    busybox_unstripped

# file busybox busybox_unstripped
busybox:            ELF 64-bit LSB executable, x86-64, version 1 (SYSV), dynamically linked, interpreter /lib64/ld-linux-x86-64.so.2, BuildID[sha1]=17eedba515201d32d51f6d010dab4058562cd300, for GNU/Linux 3.2.0, stripped
busybox_unstripped: ELF 64-bit LSB executable, x86-64, version 1 (SYSV), dynamically linked, interpreter /lib64/ld-linux-x86-64.so.2, BuildID[sha1]=17eedba515201d32d51f6d010dab4058562cd300, for GNU/Linux 3.2.0, not stripped

# ./busybox

Build BusyBox by Ubuntu or Debian

Create the Container

For Ubuntu:

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# docker run --rm -it -v `pwd`:/root -w /tmp ubuntu:18.04

For Debian:

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# docker run --rm -it -v `pwd`:/root -w /tmp debian:10

Setup repository mirrors

Only if you are happy with the my repository settings of Ubuntu or Debian.

For Ubuntu:

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# cp /root/sources-1804.list /etc/apt/sources.list

For Debian:

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# cp /root/sources-10.list /etc/apt/sources.list

Install packages

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# apt-get update && apt-get dist-upgrade -y
# apt-get install -y --no-install-recommends \
    bzip2 findutils diffutils file procps make gcc libc6-dev

Build BusyBox

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# tar -xjf /root/busybox-1.31.1.tar.bz2
# cd busybox-1.31.1/

# make defconfig
# make -j4

Verification

For Ubuntu:

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# du -ks busybox busybox_unstripped
1024    busybox
1192    busybox_unstripped

# file busybox busybox_unstripped
busybox:            ELF 64-bit LSB shared object, x86-64, version 1 (SYSV), dynamically linked, interpreter /lib64/ld-linux-x86-64.so.2, for GNU/Linux 3.2.0, BuildID[sha1]=716c4b5f55a8fa42cc3d2935320ec949a25a628d, stripped
busybox_unstripped: ELF 64-bit LSB shared object, x86-64, version 1 (SYSV), dynamically linked, interpreter /lib64/ld-linux-x86-64.so.2, for GNU/Linux 3.2.0, BuildID[sha1]=716c4b5f55a8fa42cc3d2935320ec949a25a628d, not stripped

# ./busybox

For Debian:

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# du -ks busybox busybox_unstripped
984     busybox
1148    busybox_unstripped

# file busybox busybox_unstripped
busybox:            ELF 64-bit LSB pie executable, x86-64, version 1 (SYSV), dynamically linked, interpreter /lib64/ld-linux-x86-64.so.2, for GNU/Linux 3.2.0, BuildID[sha1]=af33517e2bf0576ee99f201ef211b3cf1a1c4d28, stripped
busybox_unstripped: ELF 64-bit LSB pie executable, x86-64, version 1 (SYSV), dynamically linked, interpreter /lib64/ld-linux-x86-64.so.2, for GNU/Linux 3.2.0, BuildID[sha1]=af33517e2bf0576ee99f201ef211b3cf1a1c4d28, not stripped

# ./busybox