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• There is this old tutorial from old HaXe website.
• This tutorial is for compiling HaXe in Debian based distro.
• From this page, I know that HaXe compiler is made in OCaml language.
• However, from this tutorial, I only need to know how to set up proper environment variables.
• I think environment variables are cross platform through all major desktop operating system like Linux, MacOs, and Windows.
• There are 3 environment variables those I need to set.
• 2 of them are new environment variables that I need to create by myself.
• The first environment variable I need to set up for HaXe is HAXE_LIBRARY_PATH which leads to HaXe's std folder.
• The second environment variable I need to set up for HaXe is HAXE_HOME which leads to HaXe main folder.
• The third environment is the default PATH. This variable should be exists by default by any desktop operating system.
• This PATH variable needs to point back to itself as well as point to HAXE_LIBRARY_PATH and to HAXE_HOME/bin.
• Here is the example Shell script for setting the environment variables.

# in /etc/profile
# ...
export HAXE_LIBRARY_PATH=/usr/local/haxe/std:. # the ':.' part is important
export HAXE_HOME=/usr/local/haxe
PATH=$PATH:$HAXE_LIBRARY_PATH:$HAXE_HOME/bin

• Here is the link to the tutorial, http://old.haxe.org/doc/build/haxe_ubuntu_build.
• Here is the full screenshot of the webpage.