Add build number pre-script

scripts/buildscript_versioning.py

@@ -0,0 +1,30 @@
+FILENAME_BUILDNO = 'versioning'
+FILENAME_VERSION_H = 'include/version.h'
+version = 'v0.1.'
+
+import datetime
+
+build_no = 0
+try:
+    with open(FILENAME_BUILDNO) as f:
+        build_no = int(f.readline()) + 1
+except:
+    print('Starting build number from 1..')
+    build_no = 1
+with open(FILENAME_BUILDNO, 'w+') as f:
+    f.write(str(build_no))
+    print('Build number: {}'.format(build_no))
+
+hf = """\
+#ifndef BUILD_NUMBER
+  #define BUILD_NUMBER {}
+#endif
+#ifndef VERSION
+  #define VERSION "{} - {}"
+#endif
+#ifndef VERSION_SHORT
+  #define VERSION_SHORT "{}"
+#endif
+""".format(build_no, version+str(build_no), datetime.datetime.now(), version+str(build_no))
+with open(FILENAME_VERSION_H, 'w+') as f:
+    f.write(hf)