Adding upstream version 3.0.4.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

pdb/meson-enumcode.py

@@ -0,0 +1,27 @@
+#!/usr/bin/env python3
+import os
+import sys
+import subprocess
+from datetime import datetime
+
+PERL = sys.argv[1]
+top_srcdir = sys.argv[2]
+top_builddir = sys.argv[3]
+
+# Environment for the pdbgen.pl file.
+os.environ['destdir'] = os.path.abspath(top_srcdir)
+os.environ['builddir'] = os.path.abspath(top_builddir)
+
+os.chdir(top_srcdir)
+result = subprocess.run(
+  [PERL,
+  '-I', os.path.join(top_builddir, 'pdb'),
+  '-I', os.path.join(top_srcdir, 'pdb'),
+  os.path.join(top_srcdir, 'pdb', 'enumcode.pl')],
+  stdout=subprocess.PIPE,
+  stderr=subprocess.PIPE
+)
+if result.returncode == 0:
+  with open(os.path.join(top_builddir, 'pdb', 'stamp-enumcode.h'), 'w') as f:
+    f.write(f"/* Generated on {datetime.now().strftime('%a %b %d %H:%M:%S %Z %Y')}. */\n")
+sys.exit(result.returncode)