automatically generate version.h from ChangeLog's Revision tag

used for printing the JTAG Tools build number upon startup


git-svn-id: https://urjtag.svn.sourceforge.net/svnroot/urjtag/trunk@811 b68d4a1b-bc3d-0410-92ed-d4ac073336b7

jtag/ChangeLog

@@ -1,4 +1,7 @@
-=== ChangeLog for UrJTAG $Revision$ ===
+2007-12-05  Arnim Laeuger  <arniml@users.sourceforge.net>
+
+	* src/jtag.c (main): Print build number based on version.h.
+	* src/Makefile.am (version.h): Added rules to generate version.h from ChangeLog's Revision tag.
 
 2004-11-24  Marcel Telka  <marcel@telka.sk>
 
@@ -1743,3 +1746,5 @@
 
 	Version 0.1 released.
 
+
+$Revision$

jtag/src/Makefile.am

@@ -68,5 +68,11 @@ jtag_LDADD = \
 	-lm \
 	@LIBINTL@
 
+nodist_jtag_SOURCES = version.h
+BUILT_SOURCES = version.h
+CLEANFILES = version.h
+version.h: ../ChangeLog version.awk
+	$(AWK) -f version.awk $< > $@
+
 localedir = $(datadir)/locale
 INCLUDES = -DLOCALEDIR=\"$(localedir)\"

jtag/src/jtag.c

@@ -24,6 +24,7 @@
  */
 
 #include "sysdep.h"
+#include "version.h"
 
 #include <stdio.h>
 #include <stdlib.h>
@@ -445,11 +446,12 @@ main( int argc, const char **argv )
 
 	/* interactive */
 	printf(
-			_("%s\n"
+			_("%s Build %s\n"
 			"Copyright (C) 2002, 2003 ETC s.r.o.\n"
 			"%s is free software, covered by the GNU General Public License, and you are\n"
 			"welcome to change it and/or distribute copies of it under certain conditions.\n"
-			"There is absolutely no warranty for %s.\n\n"), PACKAGE_STRING, PACKAGE_NAME, PACKAGE_NAME
+			"There is absolutely no warranty for %s.\n\n"), PACKAGE_STRING, URJTAG_BUILD_NUMBER,
+			PACKAGE_NAME, PACKAGE_NAME
 	);
 
 	chain = chain_alloc();

jtag/src/version.awk

@@ -0,0 +1,26 @@
+BEGIN {
+print "/*"
+print " * version.h"
+print " * control long build version number"
+print " *"
+print " * Created automatically with version.awk script"
+print " *"
+print " */"
+print ""
+print "#ifndef __VERSION_H__"
+print "#define __VERSION_H__"
+print ""
+
+FS="[ \t.]"
+}
+
+/Revision/ { printf "#define URJTAG_BUILD_NUMBER\t\"%s\"\n", $2 }
+
+END {
+print ""
+print "#ifndef URJTAG_BUILD_NUMBER"
+print "#define URJTAG_BUILD_NUMBER	\"0\""
+print "#endif"
+print ""
+print "#endif"
+}