From: Matthias Maier <tamiko@43-1.org>
Date: Thu, 19 May 2022 06:30:28 +0000 (-0500)
Subject: CMake: Avoid a CMake policy warning
X-Git-Tag: v9.4.0-rc1~196^2
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=refs%2Fpull%2F13757%2Fhead;p=dealii.git

CMake: Avoid a CMake policy warning
---

diff --git a/CMakeLists.txt b/CMakeLists.txt
index c8f55aa9e5..0ec82b9371 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -43,10 +43,17 @@ CMAKE_MINIMUM_REQUIRED(VERSION 3.3.0)
 CMAKE_POLICY(VERSION 3.3.0)
 
 IF("${CMAKE_VERSION}" VERSION_LESS "3.11" AND POLICY CMP0037)
-  # allow to override "test" target for quick tests
+  # Allow to override "test" target for quick tests.
   CMAKE_POLICY(SET CMP0037 OLD)
 ENDIF()
 
+IF(POLICY CMP0075)
+  # Use CMAKE_REQUIRED_LIBRARIES also in include file checks. We set the
+  # policy to NEW explicitly in order to avoid spurious configure warnings.
+  CMAKE_POLICY(SET CMP0075 NEW)
+ENDIF()
+
+
 LIST(APPEND CMAKE_MODULE_PATH ${CMAKE_SOURCE_DIR}/cmake/modules/)
 
 #