add script to find all QT_HAVE_* definitions

Signed-off-by: Ivailo Monev <xakepa10@gmail.com>

scripts/gethave.py

@@ -0,0 +1,21 @@
+#!/usr/bin/python
+
+import os, re
+
+cwd = os.path.dirname(__file__)
+regex = re.compile('(QT_HAVE_[\w]+)')
+lmatches = []
+
+for root, subdirs, files in os.walk('%s/../src' % cwd):
+    for sfile in files:
+        if sfile.endswith(('.cpp', '.h')):
+            sfull = '%s/%s' % (root, sfile)
+            with open(sfull, 'rb') as f:
+                scontent = f.read()
+            scontent = scontent.decode('utf-8')
+            for smatch in regex.findall(scontent):
+                smatch = smatch.strip('"\'')
+                if not smatch in lmatches:
+                    lmatches.append(smatch)
+
+print('\n'.join(sorted(lmatches)))