--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mupdf-source/thirdparty/harfbuzz/src/gen-def.py	Mon Sep 15 11:43:07 2025 +0200
@@ -0,0 +1,32 @@
+#!/usr/bin/env python3
+
+"usage: gen-def.py harfbuzz.def hb.h [hb-blob.h hb-buffer.h ...]"
+
+import os, re, sys
+
+if len (sys.argv) < 3:
+	sys.exit(__doc__)
+
+output_file = sys.argv[1]
+header_paths = sys.argv[2:]
+
+headers_content = []
+for h in header_paths:
+	if h.endswith (".h"):
+		with open (h, encoding='utf-8') as f: headers_content.append (f.read ())
+
+symbols = sorted (re.findall (r"^hb_\w+(?= \()", "\n".join (headers_content), re.M))
+if '--experimental-api' not in sys.argv:
+	# Move these to harfbuzz-sections.txt when got stable
+	experimental_symbols = \
+"""hb_subset_repack_or_fail
+hb_subset_input_override_name_table
+""".splitlines ()
+	symbols = [x for x in symbols if x not in experimental_symbols]
+symbols = "\n".join (symbols)
+
+result = symbols if os.getenv ('PLAIN_LIST', '') else """EXPORTS
+%s
+LIBRARY lib%s-0.dll""" % (symbols, output_file.replace ('src/', '').replace ('.def', ''))
+
+with open (output_file, "w") as f: f.write (result)