From 03e88cf6ec092e736fc415bfd3a212aadcb0c3ba Mon Sep 17 00:00:00 2001
From: "A.M. Rowsell" <amr@frzn.dev>
Date: Fri, 13 Feb 2026 14:03:43 -0500
Subject: [PATCH] Raise CMake minimum version to 3.20

---
 CMakeLists.txt                                        | 2 +-
 op25/gr-op25/CMakeLists.txt                           | 2 +-
 op25/gr-op25_repeater/CMakeLists.txt                  | 3 +--
 op25/gr-op25_repeater/lib/imbe_vocoder/CMakeLists.txt | 2 +-
 4 files changed, 4 insertions(+), 5 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 29001da0..9c878855 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,7 +1,7 @@
 ########################################################################
 # Project setup
 ########################################################################
-cmake_minimum_required(VERSION 2.6)
+cmake_minimum_required(VERSION 3.20)
 project(gr-op25 CXX C)
 enable_testing()
 
diff --git a/op25/gr-op25/CMakeLists.txt b/op25/gr-op25/CMakeLists.txt
index 660957f8..b58c8693 100644
--- a/op25/gr-op25/CMakeLists.txt
+++ b/op25/gr-op25/CMakeLists.txt
@@ -14,7 +14,7 @@ set(CMAKE_BUILD_TYPE "Release" CACHE STRING "")
 ########################################################################
 # Project setup
 ########################################################################
-cmake_minimum_required(VERSION 3.8)
+cmake_minimum_required(VERSION 3.20)
 project(gr-op25 CXX C)
 enable_testing()
 
diff --git a/op25/gr-op25_repeater/CMakeLists.txt b/op25/gr-op25_repeater/CMakeLists.txt
index b9f5e364..5406acc2 100644
--- a/op25/gr-op25_repeater/CMakeLists.txt
+++ b/op25/gr-op25_repeater/CMakeLists.txt
@@ -14,7 +14,7 @@ set(CMAKE_BUILD_TYPE "Release" CACHE STRING "")
 ########################################################################
 # Project setup
 ########################################################################
-cmake_minimum_required(VERSION 3.8)
+cmake_minimum_required(VERSION 3.20)
 project(gr-op25_repeater CXX C)
 enable_testing()
 
@@ -150,4 +150,3 @@ configure_package_config_file(
     ${CMAKE_CURRENT_BINARY_DIR}/cmake/Modules/${target}Config.cmake
     INSTALL_DESTINATION ${GR_CMAKE_DIR}
 )
-
diff --git a/op25/gr-op25_repeater/lib/imbe_vocoder/CMakeLists.txt b/op25/gr-op25_repeater/lib/imbe_vocoder/CMakeLists.txt
index 89a53c09..8022e481 100644
--- a/op25/gr-op25_repeater/lib/imbe_vocoder/CMakeLists.txt
+++ b/op25/gr-op25_repeater/lib/imbe_vocoder/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 2.6)
+cmake_minimum_required(VERSION 3.20)
 
 SET( MORE_FLAGS "-fPIC")
 SET( CMAKE_CXX_FLAGS  "${CMAKE_CXX_FLAGS} ${MORE_FLAGS}" )