Merge pull request #3 from bweir/master

Added support for dynamic versioning; added gitignore for bin directory.

.gitignore

@@ -27,3 +27,5 @@
 *.i*86
 *.x86_64
 *.hex
+
+bin/

Makefile

@@ -11,6 +11,13 @@ $(OBJDIR)/ploader.o
 
 OS?=macosx
 
+VERSION := $(shell git describe --tags --long 2>/dev/null)
+ifeq ($(VERSION),)
+	VERSION := '0.0.0'
+endif
+
+CFLAGS += -D'VERSION="$(VERSION)"'
+
 ifeq ($(OS),linux)
 CFLAGS+=-DLINUX
 EXT=

p1load.c

@@ -276,7 +276,7 @@ int main(int argc, char *argv[])
 static void Usage(void)
 {
 printf("\
-p1load - a simple loader for the propeller - version 0.010, 2015-02-08\n\
+p1load - a simple loader for the propeller - v%s, %s\n\
 usage: p1load\n\
          [ -b baud ]               baud rate (default is %d)\n\
          [ -D var=val ]            set variable value\n\
@@ -288,7 +288,7 @@ usage: p1load\n\
          [ -T ]                    enter PST-compatible terminal mode\n\
          [ -v ]                    verbose output\n\
          [ -? ]                    display a usage message and exit\n\
-         file                      file to load\n", BAUD_RATE);
+         file                      file to load\n", VERSION, __DATE__, BAUD_RATE);
 #ifdef RASPBERRY_PI
 printf("\
 \n\