Installing Erlang by source

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Install erlang by source

1. Download the source and latest man packages from Erlang sites

   • https://www.erlang.org/downloads
   • https://erlang.org/download/

2. Install required dependencies:

   dnf -y install gcc ncurses-devel openssl-libs openssl-devel java java-1.8.0-openjdk-devel  gcc-c++ byacc bison unixODBC unixODBC-devel

3. Extract the sources and install via:\

   ./configure; make; make install

   Ignore warning related to wxwidgets and fop

4. Test by opening

   erl
   q().

Install man pages

1. Install man pages using:

   mkdir man
   tar xzf otp_doc_man_*.tar.gz -C man
   sudo mv man/man /usr/local/lib/erlang
   rmdir man

2. Test by opening

   erl -man erlang
   erl -man lists

Install yaws web server

1. Download zip source file from https://github.com/erlyaws/yaws
2. Install pam-devel files using:

   dnf -y install pam-devel

3. Extract the zip file and build configure via

   autoreconf -fi

   Step mentioned in README.md

4. Configure, compile and install via:

   ./configure; make; make install

   Fails with yaws-2.1.1 with erlang/OTP 26 as time of this writing on 30th July 2023 with:

   compile: warnings being treated as errors
   yaws_config.erl:3563:20: file:pid2name/1 is deprecated and will be removed in OTP 27; this functionality is no longer supported
   % 3563|     {ok, Config} = file:pid2name(FD),
   %     |                    ^
   
   yaws_config.erl:3579:20: file:pid2name/1 is deprecated and will be removed in OTP 27; this functionality is no longer supported
   % 3579|     {ok, Config} = file:pid2name(FD),
   %     |                    ^
   
   make[1]: *** [Makefile:661: ../ebin/yaws_config.beam] Error 1

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