1 files changed, 27 insertions, 0 deletions
diff --git a/dev-python/sip/files/sip-6.16.1-legacy-abi-without-minimum.patch b/dev-python/sip/files/sip-6.16.1-legacy-abi-without-minimum.patch
new file mode 100644
index 000000000000..b3f1afcfda4c
--- /dev/null
+++ b/dev-python/sip/files/sip-6.16.1-legacy-abi-without-minimum.patch
@@ -0,0 +1,27 @@
+From 09598895c607f3e41f0249ade217ace0a4da6437 Mon Sep 17 00:00:00 2001
+From: Phil Thompson <phil@riverbankcomputing.com>
+Date: Sun, 23 Aug 2026 12:18:00 +0100
+Subject: [PATCH] Bug fixes
+
+- Fixed a regression in SIP v6.16.1 that meant that bindings using legacy
+ABIs would not build if they didn't specify `%MinimumABIVersion`.
+Resolves #114
+---
+ sipbuild/generator/parser/parser_manager.py | 4 ++++
+ 1 file changed, 4 insertions(+)
+
+diff --git a/sipbuild/generator/parser/parser_manager.py b/sipbuild/generator/parser/parser_manager.py
+index 8f2501ff..83c63310 100644
+--- a/sipbuild/generator/parser/parser_manager.py
++++ b/sipbuild/generator/parser/parser_manager.py
+@@ -1938,6 +1938,10 @@ def _finalise_abi_version(self):
+                 # We have no minimum version information from which to derive a
+                 # major version so use the default.
+                 major = DEFAULT_ABI_MAJOR
++        elif major <= 13 and not minimums:
++            # Allow older ABIs that don't specify %MinimumABIVersion.  This
++            # case can be removed in SIP v7.
++            pass
+         else:
+             # Check that this major version is supported and that any minor
+             # version meets the minimum requirements.