Updated Compiling from source (markdown)

Compiling-from-source.md

@@ -88,32 +88,35 @@ Windows compilation using Visual Studio is not supported. Mingw64 is used on a L
 system (bare metal or virtual machine) to cross-compile cpuminer-opt binaries package
 for Windows. That procedure follows this simpler one.
 
+### Building for Windows, the easy way
+
 cpuminer-opt can now be built on Windows for Windows using MinGW-w64 and MSYS2.
-Windows 7 or newer is required.
+Windows 7 or newer is required. The compiled executable can only run on the system where
+it was built. Use the hard way for a portable package.
 
-Download and install the latest version of msys2-x86_64 from https://www.msys2.org/
+1. Download and install the latest version of msys2-x86_64 from https://www.msys2.org/
 
-Install the following additional packages
+2. Install the following additional packages
 
 `$ pacman -Su autoconf libcurl-devel mingw-w64-x86_64-curl gmp-devel jansson-devel openssl-devel zlib-devel`
 
-Set environment variable to allow cpuminer-opt to be run from a Windows terminal,
+3. Set environment variable to allow cpuminer-opt to be run from a Windows terminal,
 otherwise it can only run from an MSYS2 terminal.
 
 https://stackoverflow.com/questions/6951938/libgmp-10-dll-is-missing
 
-Download and decompress cpuminer-opt source code to your MSYS2 home directory,
+4. Download and decompress cpuminer-opt source code to your MSYS2 home directory,
 usually c:\msys2\home\[windows user]\ or a directory of your choice.
 
-Open "MSYS2 MinGW-w64" from the Windows start menu and change directories to the downloaded
+5. Open "MSYS2 MinGW-w64" from the Windows start menu, change directories to the downloaded
 cpuminer-opt and compile.
 
 `$ ./build.sh`
 
-Run cpuminer.exe directly from an MSYS2 terminal or, if step 3 was performed above,
+6. Run cpuminer.exe directly from an MSYS2 terminal or, if step 3 was performed above,
 it can run in a Windows terminal on the same system.
 
-## Building for Windows, the hard way
+### Building for Windows, the hard way
 
 This procedure is used to build the Windows binary release package and is done from a Linux environment.
 
@@ -130,7 +133,7 @@ It keeps all mingw stuff contained and isolated from the rest of the system.
 
 Step by step...
 
-### Install packages 
+#### Install packages 
 
 Install necessary packages from the distribution's repositories.
 
@@ -141,14 +144,14 @@ Additionally, install mingw-w64.
 `sudo apt-get install mingw-w64 libz-mingw-w64-dev`
 
 
-### Create a local library
+#### Create a local library
 
 Create a directory for libraries that that need to be compiled in the next stept step.
 The Suggested location is $HOME/usr/lib/
 
 `$ mkdir $HOME/usr/lib`
 
-### Build libraries
+#### Build libraries
 
 Download and build other packages for mingw that don't have a mingw64 version available in the repositories.
 
@@ -193,7 +196,7 @@ gmp:
 
 `make`
 
-### Tweak the environment.
+#### Tweak the environment.
 
 This step is required everytime you login or the commands can be added to
 .bashrc.
@@ -232,7 +235,7 @@ recreated every time a source package is decompressed.
 `cp $LOCAL_LIB/curl/lib/.libs/libcurl-4.dll release/`
 
 
-### Download cpuminer-opt
+#### Download cpuminer-opt
 
 The following steps need to be done every time a new source package is
 opened.
@@ -245,7 +248,7 @@ https://github.com/JayDDee/cpuminer-opt/releases
 Decompress and change to the cpuminer-opt directory.
 
 
-### Compile
+#### Compile
 
 Create a link to the locally compiled version of gmp.h