From: Rolf Eike Beer <eb@emlix.com>
Date: Tue, 5 Sep 2023 12:31:24 +0000 (+0200)
Subject: CMake: request all policies up to CMake 3.12 being set to NEW
X-Git-Tag: json-c-0.18-20240915~24^2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=refs%2Fpull%2F826%2Fhead;p=thirdparty%2Fjson-c.git

CMake: request all policies up to CMake 3.12 being set to NEW
---

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2484d1f5..4ce1da94 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -3,7 +3,7 @@
 #   and many OpenWRT packages require, much newer CMake packages.
 #  We're stopping before 3.10 because that version starts requiring
 #   c++11, which isn't available on e.g HPUX.
-cmake_minimum_required(VERSION 3.9)
+cmake_minimum_required(VERSION 3.9...3.12)
 
 # JSON-C library is C only project.
 # PROJECT_VERSION{,_MAJOR,_MINOR,_PATCH} set by project():
@@ -16,13 +16,6 @@ endif()
 
 set(CMAKE_C_FLAGS_RELEASE   "${CMAKE_C_FLAGS_RELEASE} -O2")
 
-# Include file check macros honor CMAKE_REQUIRED_LIBRARIES
-# i.e. the check_include_file() calls will include -lm when checking.
-# New in version 3.12.
-if(POLICY CMP0075)
-	cmake_policy(SET CMP0075 NEW)
-endif()
-
 include(CTest)
 
 # Set some packaging variables.