Update cmake minimum version to >=3.16.

zhangskz · copybara-github · commit 21f535c97881 · 2024-12-12T14:03:37.000-08:00
This is per https://github.com/google/oss-policies-info/blob/main/foundational-cxx-support-matrix.md #test-continuous PiperOrigin-RevId: 705621683
diff --git 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
@@ -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
@@ -1,4 +1,4 @@
-cmake_minimum_required (VERSION 3.5)
+cmake_minimum_required (VERSION 3.16)
 project (utf8_range C CXX)
 
 # option() honor variables

Original file line number	Diff line number	Diff line change
`@@ -114,7 +114,7 @@ def convert(self):`
`114`	`114`	`#`
`115`	`115`	`# Changes to this file will be overwritten based on Bazel definitions.`
`116`	`116`
`117`		`- if(${CMAKE_VERSION} VERSION_GREATER 3.10 OR ${CMAKE_VERSION} VERSION_EQUAL 3.10)`
	`117`	`+ if(${CMAKE_VERSION} VERSION_GREATER 3.16 OR ${CMAKE_VERSION} VERSION_EQUAL 3.16)`
`118`	`118`	`include_guard()`
`119`	`119`	`endif()`
`120`	`120`
Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,4 @@`
`1`		`-cmake_minimum_required (VERSION 3.5)`
	`1`	`+cmake_minimum_required (VERSION 3.16)`
`2`	`2`	`project (utf8_range C CXX)`
`3`	`3`
`4`	`4`	`# option() honor variables`