haskell-jp / atcoder-lang-updates #2

Ubuntu 18.04.2のLive DVDで環境構築を試してますが、 libtinfo.so.6 が見つからないというエラーが出ます。システムに存在するのは libtinfo.so.5 のようです。

$ uname -a
Linux ip-***_***_***_*** 4.15.0-1043-aws #45-Ubuntu SMP Mon Jun 24 14:07:03 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux
$ cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=18.04
DISTRIB_CODENAME=bionic
DISTRIB_DESCRIPTION="Ubuntu 18.04.2 LTS"

$ curl  -sSf | sh
"/home/ubuntu/.ghcup/ghc/8.6.5/lib/ghc-8.6.5/bin/ghc-pkg" --force --global-package-db "/home/ubuntu/.ghcup/ghc/8.6.5/lib/ghc-8.6.5/package.conf.d" update rts/dist/package.conf.install
/home/ubuntu/.ghcup/ghc/8.6.5/lib/ghc-8.6.5/bin/ghc-pkg: error while loading shared libraries: libtinfo.so.6: cannot open shared object file: No such file or directory
: recipe for target 'install_packages' failed
make[1]: *** [install_packages] Error 127
Makefile:51: recipe for target 'install' failed
make: *** [install] Error 2
Failed to install, consider updating this script via: ghcup upgrade
"ghcup --cache install" failed!

$ sudo apt-get update
$ sudo apt-get install -y curl g++ gcc libgmp-dev libtinfo-dev make ncurses-dev python3 libnuma-dev coreutils

$ export GHCUP_META_DOWNLOAD_URL=

$ curl  -sSf | sh

The current bindist for ubuntu () tries to use libtinfo.so.5, but since at least 16.04, Ubuntu provides libtinfo.so.6 but not libtinfo.so.5.

env PATH=/usr/lib/llvm-6.0/bin:$PATH ghc -fllvm -O2 Main.hs

ghc -O2 -fllvm -pgmlo opt-6.0 -pgmlc llc-6.0 Main.hs

total <- VUM.new (h*w)
let !xys = force $ V.unfoldrN h (\ !x -> Just $! VUM.splitAt w x) total