diff --git a/.gitignore b/.gitignore
index f1260a1..690a1f9 100644
--- a/.gitignore
+++ b/.gitignore
@@ -15,3 +15,4 @@ MMDVMHost
 *.VC.db
 .vs
 *.ambe
+GitVersion.h
diff --git a/MMDVMHost.cpp b/MMDVMHost.cpp
index cea5c9b..4d9ed6a 100644
--- a/MMDVMHost.cpp
+++ b/MMDVMHost.cpp
@@ -33,6 +33,7 @@
 #include "LCDproc.h"
 #include "Thread.h"
 #include "Log.h"
+#include "GitVersion.h"
 
 #if defined(HD44780)
 #include "HD44780.h"
@@ -235,6 +236,7 @@ int CMMDVMHost::run()
 	LogInfo(HEADER4);
 
 	LogMessage("MMDVMHost-%s is starting", VERSION);
+	LogMessage("Built %s %s (GitID #%.7s)", __TIME__, __DATE__, gitversion);
 
 	readParams();
 
diff --git a/MMDVMHost.vcxproj b/MMDVMHost.vcxproj
index 1c9a25e..ea4eb81 100644
--- a/MMDVMHost.vcxproj
+++ b/MMDVMHost.vcxproj
@@ -108,6 +108,12 @@
       <GenerateDebugInformation>true</GenerateDebugInformation>
       <AdditionalDependencies>kernel32.lib;user32.lib;gdi32.lib;winspool.lib;comdlg32.lib;advapi32.lib;shell32.lib;ole32.lib;oleaut32.lib;uuid.lib;odbc32.lib;odbccp32.lib;ws2_32.lib;%(AdditionalDependencies)</AdditionalDependencies>
     </Link>
+    <PreBuildEvent>
+      <Command>"$(ProjectDir)prebuild.cmd" $(ProjectDir)</Command>
+    </PreBuildEvent>
+    <PreBuildEvent>
+      <Message>prebuild.cmd generates GitVersion.h from git refs heads master</Message>
+    </PreBuildEvent>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
     <ClCompile>
diff --git a/Makefile b/Makefile
index f180e2d..b1f1050 100644
--- a/Makefile
+++ b/Makefile
@@ -15,12 +15,19 @@ OBJECTS = \
 
 all:		MMDVMHost
 
-MMDVMHost:	$(OBJECTS)
+MMDVMHost:	gitversion.h $(OBJECTS) 
 		$(CXX) $(OBJECTS) $(CFLAGS) $(LIBS) -o MMDVMHost
 
 %.o: %.cpp
 		$(CXX) $(CFLAGS) -c -o $@ $<
 
 clean:
-		$(RM) MMDVMHost *.o *.d *.bak *~
- 
+		$(RM) MMDVMHost *.o *.d *.bak *~ gitversion.h
+
+# Export the current git version if the index file exists, else 000...
+gitversion.h:
+ifneq ("$(wildcard .git/index)","")
+	echo "const char *gitversion = \"$(shell git rev-parse HEAD)\";" > $@
+else
+	echo "const char *gitversion = \"0000000000000000000000000000000000000000\";" > $@
+endif
diff --git a/Makefile.Pi b/Makefile.Pi
index 0734d47..f683ec6 100644
--- a/Makefile.Pi
+++ b/Makefile.Pi
@@ -15,12 +15,19 @@ OBJECTS = \
 
 all:		MMDVMHost
 
-MMDVMHost:	$(OBJECTS)
+MMDVMHost:	gitversion.h $(OBJECTS) 
 		$(CXX) $(OBJECTS) $(CFLAGS) $(LIBS) -o MMDVMHost
 
 %.o: %.cpp
 		$(CXX) $(CFLAGS) -c -o $@ $<
 
 clean:
-		$(RM) MMDVMHost *.o *.d *.bak *~
- 
+		$(RM) MMDVMHost *.o *.d *.bak *~ gitversion.h
+
+# Export the current git version if the index file exists, else 000...
+gitversion.h:
+ifneq ("$(wildcard .git/index)","")
+	echo "const char *gitversion = \"$(shell git rev-parse HEAD)\";" > $@ 
+else
+	echo "const char *gitversion = \"0000000000000000000000000000000000000000\";" > $@
+endif
diff --git a/Makefile.Pi.Adafruit b/Makefile.Pi.Adafruit
index bbe5dfe..16ecc2f 100644
--- a/Makefile.Pi.Adafruit
+++ b/Makefile.Pi.Adafruit
@@ -15,12 +15,19 @@ OBJECTS = \
 
 all:		MMDVMHost
 
-MMDVMHost:	$(OBJECTS)
+MMDVMHost:	gitversion.h $(OBJECTS)
 		$(CXX) $(OBJECTS) $(CFLAGS) $(LIBS) -o MMDVMHost
 
 %.o: %.cpp
 		$(CXX) $(CFLAGS) -c -o $@ $<
 
 clean:
-		$(RM) MMDVMHost *.o *.d *.bak *~
- 
+		$(RM) MMDVMHost *.o *.d *.bak *~ gitversion.h
+
+# Export the current git version if the index file exists, else 000...
+gitversion.h:
+ifneq ("$(wildcard .git/index)","")
+	echo "const char *gitversion = \"$(shell git rev-parse HEAD)\";" > $@
+else
+	echo "const char *gitversion = \"0000000000000000000000000000000000000000\";" > $@
+endif
diff --git a/Makefile.Pi.HD44780 b/Makefile.Pi.HD44780
index a4b9c97..981af5e 100644
--- a/Makefile.Pi.HD44780
+++ b/Makefile.Pi.HD44780
@@ -15,12 +15,19 @@ OBJECTS = \
 
 all:		MMDVMHost
 
-MMDVMHost:	$(OBJECTS)
+MMDVMHost:	gitversion.h $(OBJECTS) 
 		$(CXX) $(OBJECTS) $(CFLAGS) $(LIBS) -o MMDVMHost
 
 %.o: %.cpp
 		$(CXX) $(CFLAGS) -c -o $@ $<
 
 clean:
-		$(RM) MMDVMHost *.o *.d *.bak *~
- 
+		$(RM) MMDVMHost *.o *.d *.bak *~ gitversion.h
+
+# Export the current git version if the index file exists, else 000...
+gitversion.h:
+ifneq ("$(wildcard .git/index)","")
+	echo "const char *gitversion = \"$(shell git rev-parse HEAD)\";" > $@ 
+else
+	echo "const char *gitversion = \"0000000000000000000000000000000000000000\";" > $@
+endif
diff --git a/Makefile.Pi.OLED b/Makefile.Pi.OLED
index 167c739..660fc88 100644
--- a/Makefile.Pi.OLED
+++ b/Makefile.Pi.OLED
@@ -15,12 +15,19 @@ OBJECTS = \
 
 all:		MMDVMHost
 
-MMDVMHost:	$(OBJECTS)
+MMDVMHost:	gitversion.h $(OBJECTS) 
 		$(CXX) $(OBJECTS) $(CFLAGS) $(LIBS) -o MMDVMHost
 
 %.o: %.cpp
 		$(CXX) $(CFLAGS) -c -o $@ $<
 
 clean:
-		$(RM) MMDVMHost *.o *.d *.bak *~
- 
+		$(RM) MMDVMHost *.o *.d *.bak *~ gitversion.h
+
+# Export the current git version if the index file exists, else 000...
+gitversion.h:
+ifneq ("$(wildcard .git/index)","")
+	echo "const char *gitversion = \"$(shell git rev-parse HEAD)\";" > $@ 
+else
+	echo "const char *gitversion = \"0000000000000000000000000000000000000000\";" > $@
+endif
diff --git a/Makefile.Pi.PCF8574 b/Makefile.Pi.PCF8574
index e5df3a5..2ea81dd 100644
--- a/Makefile.Pi.PCF8574
+++ b/Makefile.Pi.PCF8574
@@ -15,11 +15,19 @@ OBJECTS = \
 
 all:		MMDVMHost
 
-MMDVMHost:	$(OBJECTS)
+MMDVMHost:	gitversion.h $(OBJECTS) 
 		$(CXX) $(OBJECTS) $(CFLAGS) $(LIBS) -o MMDVMHost
 
 %.o: %.cpp
 		$(CXX) $(CFLAGS) -c -o $@ $<
 
 clean:
-		$(RM) MMDVMHost *.o *.d *.bak *~
+		$(RM) MMDVMHost *.o *.d *.bak *~ gitversion.h
+
+# Export the current git version if the index file exists, else 000...
+gitversion.h:
+ifneq ("$(wildcard .git/index)","")
+	echo "const char *gitversion = \"$(shell git rev-parse HEAD)\";" > $@ 
+else
+	echo "const char *gitversion = \"0000000000000000000000000000000000000000\";" > $@
+endif
diff --git a/Makefile.Solaris b/Makefile.Solaris
index a2c74ac..6113fa6 100644
--- a/Makefile.Solaris
+++ b/Makefile.Solaris
@@ -15,12 +15,19 @@ OBJECTS = \
 
 all:		MMDVMHost
 
-MMDVMHost:	$(OBJECTS)
+MMDVMHost:	gitversion.h $(OBJECTS) 
 		$(CXX) $(OBJECTS) $(CFLAGS) $(LIBS) -o MMDVMHost
 
 %.o: %.cpp
 		$(CXX) $(CFLAGS) -c -o $@ $<
 
 clean:
-		$(RM) MMDVMHost *.o *.d *.bak *~
- 
+		$(RM) MMDVMHost *.o *.d *.bak *~ gitversion.h
+
+# Export the current git version if the index file exists, else 000...
+gitversion.h:
+ifneq ("$(wildcard .git/index)","")
+	echo "const char *gitversion = \"$(shell git rev-parse HEAD)\";" > $@ 
+else
+	echo "const char *gitversion = \"0000000000000000000000000000000000000000\";" > $@
+endif
diff --git a/prebuild.cmd b/prebuild.cmd
new file mode 100644
index 0000000..2dc5f9d
--- /dev/null
+++ b/prebuild.cmd
@@ -0,0 +1,38 @@
+@echo off
+REM This pre-build file is for MSVS VC++. It parses the git master hash and
+REM converts it into GitVersion.h for compiling into builds. [George M1GEO]
+
+cd %1
+setlocal enabledelayedexpansion
+set HEADFILE=.git\HEAD
+set HASHFILE=0
+if exist %HEADFILE% (
+	for /F "tokens=4 delims=/:" %%a in ('type %HEADFILE%') do set HEADBRANCH=%%a	
+	set HASHFILE=.git\refs\heads\!HEADBRANCH!
+	echo Found Git HEAD file: %HEADFILE%   
+	echo Git HEAD branch: !HEADBRANCH!
+	echo Git HASH file: !HASHFILE!
+	call :USEHASH
+) else (
+	echo No head file :(
+	call :USENULL
+)
+
+goto :EOF
+
+:USENULL
+set GITHASH=0000000000000000000000000000000000000000
+goto :WRITEGITVERSIONHEADER
+
+:USEHASH
+for /f %%i in ('type !HASHFILE!') do set GITHASH=%%i
+goto :WRITEGITVERSIONHEADER
+
+:WRITEGITVERSIONHEADER
+echo // File contains Git commit ID SHA1 present at buildtime (prebuild.cmd) > GitVersion.h
+echo const char *gitversion = "%GITHASH%"; >> GitVersion.h
+echo Current Git HASH: %GITHASH%
+goto :FINISHED
+
+:FINISHED
+echo GitVersion.h written...