Fix regression in FindProtobuf.cmake

debian/patches/0002-Fix-regression-in-FindProtobuf.cmake.patch

@@ -0,0 +1,36 @@
+From: =?utf-8?q?Timo_R=C3=B6hling?= <roehling@debian.org>
+Date: Fri, 14 Jul 2023 15:49:28 +0200
+Subject: Fix regression in FindProtobuf.cmake
+
+Bug: https://gitlab.kitware.com/cmake/cmake/-/merge_requests/8629
+---
+ Modules/FindProtobuf.cmake | 9 +++------
+ 1 file changed, 3 insertions(+), 6 deletions(-)
+
+diff --git a/Modules/FindProtobuf.cmake b/Modules/FindProtobuf.cmake
+index b046fcc..5cad383 100644
+--- a/Modules/FindProtobuf.cmake
++++ b/Modules/FindProtobuf.cmake
+@@ -499,11 +499,7 @@ if(Protobuf_INCLUDE_DIR)
+   math(EXPR _PROTOBUF_MAJOR_VERSION "${Protobuf_LIB_VERSION} / 1000000")
+   math(EXPR _PROTOBUF_MINOR_VERSION "${Protobuf_LIB_VERSION} / 1000 % 1000")
+   math(EXPR _PROTOBUF_SUBMINOR_VERSION "${Protobuf_LIB_VERSION} % 1000")
+-  if (_PROTOBUF_MINOR_VERSION GREATER_EQUAL "21")
+-    set(Protobuf_VERSION "${_PROTOBUF_MINOR_VERSION}.${_PROTOBUF_SUBMINOR_VERSION}")
+-  else()
+-    set(Protobuf_VERSION "${_PROTOBUF_MAJOR_VERSION}.${_PROTOBUF_MINOR_VERSION}.${_PROTOBUF_SUBMINOR_VERSION}")
+-  endif()
++  set(Protobuf_VERSION "${_PROTOBUF_MAJOR_VERSION}.${_PROTOBUF_MINOR_VERSION}.${_PROTOBUF_SUBMINOR_VERSION}")
+ 
+   if(Protobuf_DEBUG)
+     message(STATUS "[ ${CMAKE_CURRENT_LIST_FILE}:${CMAKE_CURRENT_LIST_LINE} ] "
+@@ -524,7 +520,8 @@ if(Protobuf_INCLUDE_DIR)
+           "${Protobuf_PROTOC_EXECUTABLE} reveals version ${_PROTOBUF_PROTOC_EXECUTABLE_VERSION}")
+     endif()
+ 
+-    if(NOT "${_PROTOBUF_PROTOC_EXECUTABLE_VERSION}" VERSION_EQUAL "${Protobuf_VERSION}")
++    if(NOT "${_PROTOBUF_PROTOC_EXECUTABLE_VERSION}" VERSION_EQUAL "${Protobuf_VERSION}" AND
++       NOT "${_PROTOBUF_PROTOC_EXECUTABLE_VERSION}" VERSION_EQUAL "${_PROTOBUF_MINOR_VERSION}.${_PROTOBUF_SUBMINOR_VERSION}")
+       message(WARNING "Protobuf compiler version ${_PROTOBUF_PROTOC_EXECUTABLE_VERSION}"
+         " doesn't match library version ${Protobuf_VERSION}")
+     endif()

debian/patches/series

@@ -1 +1,2 @@
 0001-Prefer-default-Python-version.patch
+0002-Fix-regression-in-FindProtobuf.cmake.patch