+    files_spec = [
+        ('etc/bash_completion.d', ['youtube-dl.bash-completion']),
+        ('etc/fish/completions', ['youtube-dl.fish']),
+        ('share/doc/youtube_dl', ['README.txt']),
+        ('share/man/man1', ['youtube-dl.1'])
+    ]
+    root = os.path.dirname(os.path.abspath(__file__))
+    data_files = []
+    for dirname, files in files_spec:
+        resfiles = []
+        for fn in files:
+            if not os.path.exists(fn):
+                warnings.warn('Skipping file %s since it is not present. Type  make  to build all automatically generated files.' % fn)
+            else:
+                resfiles.append(fn)
+        data_files.append((dirname, resfiles))
+