adjust root folder

build.bat

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+@echo off
+echo Build with MinGW and MSYS: mingw.sourceforge.net
+rem set PATH=C:\MinGW\msys\1.0\bin;C:\MinGW\bin
+rem assumes rm, cp, size are already in path
+set CC=gcc
+set AR=ar
+set MAKE=make
+make BACNET_PORT=win32 BUILD=release clean all
+
+rem Build for MinGW debug
+rem make BACNET_PORT=win32 BUILD=debug clean all
+
+rem Build for MinGW MS/TP
+rem make BACNET_PORT=win32 BACDL_DEFINE=-DBACDL_MSTP=1 clean all
+rem make BACNET_PORT=win32 BACDL_DEFINE=-DBACDL_BIP6=1 clean all
+
+rem On Linux, install mingw32 and use this:
+rem make BACNET_PORT=win32 CC=i586-mingw32msvc-gcc AR=i586-mingw32msvc-ar clean all