-- Adjust pyproject.toml to build with the setuptools version available in the
-- FreeBSD ports tree: lower the build-system requirement and use the legacy
-- PEP 621 license syntax supported by that version, and remove the
-- license-files key which that version does not support.

--- pyproject.toml.orig	2026-09-09 09:01:44 UTC
+++ pyproject.toml
@@ -1,7 +1,7 @@
 [build-system]
 build-backend = "setuptools.build_meta"
 requires = [
-  "setuptools >=77",
+  "setuptools >=63.1",
   "cython >=0.29",
   "setuptools-git-versioning >=2.0",
 ]
@@ -12,8 +12,7 @@
 description = "Cython implementation of Toolz: High performance functional utilities"
 readme = "README.rst"
 requires-python = ">=3.9"
-license = "BSD-3-Clause"
-license-files = ["LICENSE.txt"]
+license = {text = "BSD-3-Clause"}
 authors = [
   { name = "Erik Welch", email = "erik.n.welch@gmail.com" },
   { name = "CyToolz contributors" },