====Installation====
===La base====
[[https://www.msys2.org/|MSYS2 Homepage]], {{ :windows:compatibilite_linux:msys2:configuration:msys2_homepage_2019-11-27_09_38_34_.html |Archive le 17/11/2019}}

  pacman -Syu

Fermer la fenêtre via la croix, sans passer par un ''exit'' ou ''CTRL+D'' et relancer ''msys2.exe''.

  pacman -Su

===Erreur===
   * ''error: XXXXXX: signature from %%"Alexey Pavlov (Alexpux) <alexpux@gmail.com>"%% is unknown trust''
<code>
pacman-key --init
pacman-key --populate msys2
pacman-key --refresh-keys
</code>

[[https://github.com/msys2/MINGW-packages/issues/240|pacman trust error]] {{ :windows:compatibilite_linux:msys2:configuration:pacman_trust_error_issue_240_msys2_mingw-packages_github_2019-11-27_09_36_47_.html |Archive du 03/10/2014 le 27/11/2019}}

===Outils de développement===
  pacman -S --needed base-devel mingw-w64-x86_64-toolchain mingw-w64-x86_64-cmake vim
  /usr/bin/mandb --quiet
  export PATH=$PATH:/c/msys64/mingw64/bin:/c/msys64/mingw32/bin

[[https://github.com/orlp/dev-on-windows/wiki/Installing-GCC--&-MSYS2|Installing GCC & MSYS2]], {{ :windows:compatibilite_linux:msys2:configuration:installing_gcc_msys2_orlp_dev-on-windows_wiki_github_2019-11-27_09_38_58_.html |Archive du 09/02/2017 le 27/11/2019}}