Adding info on make emacs

doc/compile.org

@@ -3,7 +3,15 @@
 
 * Compiling emacs in GNU linux systems
 
-Install ~build-essential~
+
+Emacs is available in all GNU-linux distributions. If you want to install emacs
+directly from any free-software distribution, you may check [[https://www.gnu.org/software/emacs/download.html][this information]].
+However, you may be interested in compiling emacs for your operational system.
+
+To compile emacs it's important to install some development libraries before
+downloading the emacs tarball.
+
+** Install ~build-essential~
 
 #+begin_example sh
   sudo apt install build-essential
@@ -13,7 +21,27 @@ Install ~build-essential~
   sudo apt update && sudo apt build-dep emacs
 #+end_example
 
-Download emacs (tarball) and open the directory
+** Download emacs (tarball), extract and open the source directory
+
+Let's say you want to download emacs 28.2. You may use ~wget~ to download the tarball:
+
+#+begin_example sh
+  wget http://ftp.gnu.org/gnu/emacs/emacs-28.2.tar.gz
+#+end_example
+
+Then, extract the files and open a terminal within the main directory of the package.
+
+#+begin_example sh
+   tar xvfz emacs-28.2.tar.gz
+#+end_example
+
+Change the directory to the extracted files:
+
+#+begin_example sh
+  cd emacs-28.2
+#+end_example
+
+** Execute the following commands in a terminal to begin with the process
 
 #+begin_example sh
   ./autogen.sh
@@ -26,3 +54,8 @@ Download emacs (tarball) and open the directory
 #+begin_example sh
   sudo make install
 #+end_example
+
+
+** References
+
+ * [[https://www.emacswiki.org/emacs/BuildingEmacs][Emacs wiki]]