Erlang/Elixir issues with Big Sur

[jackboberg]

> asdf install
# ...
=== Running configure in /Users/jack/.asdf/plugins/erlang/kerl-home/builds/asdf_23.1.2/otp_src_23.1.2/make ===
./configure '--enable-darwin-64bit' '--with-ssl=/usr/local/opt/openssl@1.1' --disable-option-checking --cache-file=/dev/null --srcdir="/Users/jack/.asdf/plugins/erlang/kerl-home/builds/asdf_23.1.2/otp_src_23.1.2/make"
configure: error: cannot find required auxiliary files: install-sh config.guess config.sub
ERROR: /Users/jack/.asdf/plugins/erlang/kerl-home/builds/asdf_23.1.2/otp_src_23.1.2/make/configure failed!

Please see /Users/jack/.asdf/plugins/erlang/kerl-home/builds/asdf_23.1.2/otp_build_23.1.2.log for full details.

This is a known issue, perhaps to be resolved by asdf, but here is the process I used to resolve it on 2020-04-17:

• uninstall autoconf from home-brew and manually install
  MacOS Big Sur + Erlang 22.3 + AutoConf -> cannot find required auxiliary files: install-sh config.guess config.sub asdf-vm/asdf-erlang#195 (comment)

  brew uninstall --ignore-dependencies autoconf
  curl -O http://ftp.gnu.org/gnu/autoconf/autoconf-2.69.tar.gz
  tar zxvf autoconf-2.69.tar.gz
  cd autoconf-2.69
  ./configure && make && sudo make install

• Install Erlang without java (and deal with SSL)
  Unable to compile Erlang 22.0.7 on macOS 10.15 kerl/kerl#320

  export KERL_CONFIGURE_OPTIONS="--without-javac --with-ssl=`/usr/local/bin/brew --prefix openssl`"
  

[jackboberg]

This leaves brew warning us about missing dependencies.

>  brew doctor
# ...

Warning: Some installed formulae are missing dependencies.
You should `brew install` the missing dependencies:
  brew install autoconf

Run `brew missing` for more details.