Opportunity to generate build timestamp via make buildstamped

Makefile.am

@@ -41,7 +41,8 @@ xorriso_xorriso_SOURCES = \
 	xorriso/xorriso.c \
 	xorriso/xorrisoburn.h \
 	xorriso/xorrisoburn.c \
-	xorriso/xorriso_timestamp.h
+	xorriso/xorriso_timestamp.h \
+	xorriso/xorriso_buildstamp.h
 
 
 # Install symbolic links to the xorriso binary
@@ -52,6 +53,27 @@ install-exec-hook:
 	if test -e $(bindir)/osirrox ; then rm $(bindir)/osirrox ; else echo ; fi
 	ln -s xorriso $(bindir)/osirrox
 
+
+# Trying to create a build timestamp file
+#
+buildstamp:
+	date -u '+#define Xorriso_build_timestamP "%Y.%m.%d.%H%M%S"' >xorriso/xorriso_buildstamp.h
+	cat xorriso/xorriso_buildstamp.h
+
+# For now   make buildstamped  has to be performed explicitely.
+buildstamped: buildstamp
+	make
+#
+# Processing of the "all:" rule happens too late.
+# How to create a dependency of xorriso.c on buildstamp ?
+# Not working:
+# Add xorriso_buildstamp.h to xorriso_xorriso_SOURCES and make it depend
+# on buildstamp. It runs. But at quite random occasions.
+# xorriso/xorriso_buildstamp.h: buildstamp
+#
+# all: buildstamp
+
+
 ## Build test applications
 noinst_PROGRAMS = \
 	test/compare_file
@@ -129,6 +151,7 @@ EXTRA_DIST = \
 	COPYING \
 	INSTALL \
 	xorriso/changelog.txt \
+	xorriso/xorriso_buildstamp_none.h \
 	xorriso/README \
 	$(man_MANS)