掌機 - Nintendo 3DS - Build devkitpro(CROSSBUILD=arm-linux-gnueabihf)

參考資訊：
https://github.com/devkitPro
https://wiki.debian.org/Multiarch/HOWTO
https://askubuntu.com/questions/523226/install-crossbuild-essential-armhf-on-amd64

Debian 10(x64)

$ sudo dpkg --add-architecture armhf
$ sudo apt-get update
$ sudo apt-get install crossbuild-essential-armhf
$ sudo apt-get install libmpc*:armhf libgmp-dev:armhf libgmp10:armhf libgmpxx4ldbl:armhf libmpfr6:armhf libstdc++6:armhf zlib1g-dev:armhf qemu qemu-user-static -y

$ sudo chmod 0777 /opt
$ cd
$ git clone https://github.com/devkitPro/buildscripts
$ cd buildscripts
$ vim build-devkit.sh +29
    CROSSBUILD=arm-linux-gnueabihf

$ wget https://wii.leseratte10.de/devkitPro/devkitARM/devkitarm-rules/devkitarm-rules-1.2.1.tar.gz
$ wget https://wii.leseratte10.de/devkitPro/devkitARM/devkitarm-rules/devkitarm-crtls-1.1.1.tar.gz
$ wget https://ftp.gnu.org/gnu/binutils/binutils-2.39.tar.xz
$ wget https://ftp.gnu.org/gnu/gcc/gcc-12.2.0/gcc-12.2.0.tar.xz
$ ./build-devkit.sh
  Please select the toolchain you require

  1: devkitARM (gba gp32 ds 3ds)
  2: devkitPPC (gamecube wii wii-u)
  3: devkitA64 (switch)
  1

  Please enter the directory where you would like 'devkitARM' to be installed:
  for mingw/msys you must use <drive>:/<install path> or you will have include path problems
  this is the top level directory for devkitpro, i.e. e:/devkitPro
  /opt/devkitpro

  use /usr/bin/make as make

  Ready to install devkitARM in /opt/devkitARM

  press return to continue
 
  Would you like to delete the build folders and patched sources? [Y/n]

  Removing patched sources and build directories

  note: Add the following to your environment;

    DEVKITPRO=/opt/devkitpro
    DEVKITARM=/opt/devkitpro/devkitARM

$ file /opt/devkitpro/devkitARM/bin/arm-none-eabi-gcc
    /opt/devkitpro/devkitARM/bin/arm-none-eabi-gcc: ELF 32-bit LSB executable, ARM, EABI5 version 1 (SYSV), dynamically linked, interpreter /lib/ld-linux-armhf.so.3, for GNU/Linux 3.2.0, BuildID[sha1]=2ec4f1805818eacb5250c14089a0981689c2c208, with debug_info, not stripped

P.S. 編譯過程中，需要的Rules相關檔案，可以從https://github.com/steward-fu/website/releases/download/3ds/bin_devkitpro_elf_x64.tar.gz提取