Updated Compiling from source (markdown)

Compiling-from-source.md

@@ -224,11 +224,16 @@ gmp:
 
 #### Tweak the environment.
 
+Many of the following steps are performed automatically by winbuild-cross.sh.
+This script is used to build the Windows release package. Although it was not written
+for users it can help simplify compiling. If necessary edit winbuild-cross.sh to correct
+any directory paths to match your environment.
+
+If you insist on using this procedure to build a single executable
 This step is required everytime you login or the commands can be added to
 .bashrc.
 
-Define some local variables to point to local library.
-
+Define some local variables to point to the local library.
 
 `$ export LOCAL_LIB="$HOME/usr/lib"`
 
@@ -240,7 +245,6 @@ Adjust for gcc version:
 
 `$ export GCC_MINGW_LIB="/usr/lib/gcc/x86_64-w64-mingw32/9.3-win32"`
 
-
 Create a release directory and copy some dll files previously built.
 This can be done outside of cpuminer-opt and only needs to be done once.
 If the release directory is in cpuminer-opt directory it needs to be