diff -uNr scantool/makefile scantool-kees/makefile
--- scantool/makefile	2005-08-25 17:24:54.000000000 -0700
+++ scantool-kees/makefile	2005-08-25 17:27:27.000000000 -0700
@@ -1,3 +1,10 @@
+#
+# Required libraries:
+#   allegro - http://www.talula.demon.co.uk/allegro/
+#   dzcomm  - http://dzcomm.sourceforge.net/
+#
+# To build for Linux, use "make LINUX=1".
+
 CC = gcc
 
 ifdef DEBUGMODE
@@ -30,6 +37,10 @@
    EXT = .exe
 endif
 
+ifdef LINUX
+   LIBS += -L/usr/X11R6/lib -lX11 -lXext -lXpm -ldl -lpthread -lm
+   EXT =
+endif
 
 ifndef NOWERROR
    CFLAGS += -Werror
@@ -40,7 +51,7 @@
 endif
 
 OBJ += main.o main_menu.o serial.o options.o sensors.o trouble_code_reader.o custom_gui.o error_handlers.o about.o
-BIN = ScanTool.exe
+BIN = ScanTool$(EXT)
 
 ifdef MINGDIR
 endif