-- Downgrade setuptools requirement and remove SPDX license fields.
-- FreeBSD ports ship setuptools 63.x which does not support the modern
-- SPDX string form of 'license'/'license-files' and does not meet
-- the upstream's >=77.0.3 requirement. Both issues must be patched.
--- pyproject.toml.orig	2026-10-22 08:29:35 UTC
+++ pyproject.toml
@@ -1,5 +1,5 @@
 [build-system]
-requires = ["setuptools>=77.0.3"]
+requires = ["setuptools>=61.0"]
 build-backend = "setuptools.build_meta"
 
 [project]
@@ -7,8 +7,6 @@ readme = "README.md"
 dynamic = ["version"]
 description = "Human-friendly HSL"
 readme = "README.md"
-license = "MIT"
-license-files = ["LICENSE.txt"]
 authors = [
     {name = "Robert McGinley", email = "mcginleyr1@gmail.com"},
     {name = "Alexei Boronine", email = "alexei@boronine.com"},