よしわかった。ならばWSL Ubuntu を導入だ。stackをインストールし、古すぎるので最新版stackに替え、stack setup 7.8.4

The GHC located at /home/devlin/.stack/programs/x86_64-linux/ghc-7.8.4/bin/ghc-7.8.4 failed to compile a sanity check. Please see:

http://docs.haskellstack.org/en/stable/install_and_upgrade/

for more information. Exception was:
Received ExitFailure 1 when running
Raw command: /home/devlin/.stack/programs/x86_64-linux/ghc-7.8.4/bin/ghc-7.8.4 /tmp/stack-sanity-check47/Main.hs -no-user-package-db
Run from: /tmp/stack-sanity-check47/
Standard output:

[1 of 1] Compiling Main ( /tmp/stack-sanity-check47/Main.hs, /tmp/stack-sanity-check47/Main.o )
Linking /tmp/stack-sanity-check47/Main ...
Standard error:

/usr/bin/ld: -lgmp a??e|?a??a??a??a??a???
collect2: error: ld returned 1 exit status


神はどうあっても試練を与えようというあああああ！！！！