From 21f535c978812ab2d9afcbe887fc2ad228c0d92e Mon Sep 17 00:00:00 2001
From: Sandy Zhang <sandyzhang@google.com>
Date: Thu, 12 Dec 2024 13:57:28 -0800
Subject: [PATCH] Update cmake minimum version to >=3.16.

This is per https://github.com/google/oss-policies-info/blob/main/foundational-cxx-support-matrix.md

#test-continuous

PiperOrigin-RevId: 705621683
---
 CMakeLists.txt                        | 2 +-
 cmake/dependencies_generator.py       | 2 +-
 third_party/utf8_range/CMakeLists.txt | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 63e0f5bdf8860..cfc5ccbca3dfb 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,6 +1,6 @@
 # Minimum CMake required. If available, accept the policy-controlled behavior up
 # to 3.26.
-cmake_minimum_required(VERSION 3.10...3.26)
+cmake_minimum_required(VERSION 3.16...3.26)
 
 # Revert to old behavior for MSVC debug symbols.
 if(POLICY CMP0141)
diff --git a/cmake/dependencies_generator.py b/cmake/dependencies_generator.py
index b7b2deeb1fdfc..ee15632178440 100644
--- a/cmake/dependencies_generator.py
+++ b/cmake/dependencies_generator.py
@@ -114,7 +114,7 @@ def convert(self):
     #
     # Changes to this file will be overwritten based on Bazel definitions.
 
-    if(${CMAKE_VERSION} VERSION_GREATER 3.10 OR ${CMAKE_VERSION} VERSION_EQUAL 3.10)
+    if(${CMAKE_VERSION} VERSION_GREATER 3.16 OR ${CMAKE_VERSION} VERSION_EQUAL 3.16)
       include_guard()
     endif()
 
diff --git a/third_party/utf8_range/CMakeLists.txt b/third_party/utf8_range/CMakeLists.txt
index e054893c63bf2..67d2094cdaa77 100644
--- a/third_party/utf8_range/CMakeLists.txt
+++ b/third_party/utf8_range/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required (VERSION 3.5)
+cmake_minimum_required (VERSION 3.16)
 project (utf8_range C CXX)
 
 # option() honor variables