set CMake policy CMP0075 if it exists

Otherwise newer versions of CMake are throwing a warning.

1 files changed, 11 insertions, 8 deletions

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 8b175e5..f34904d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,21 +1,19 @@
-# Copyright 2012 OSMOCOM Project
+# Copyright 2012-2020 Osmocom Project
 #
 # This file is part of rtl-sdr
 #
-# GNU Radio is free software; you can redistribute it and/or modify
+# This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 3, or (at your option)
-# any later version.
+# the Free Software Foundation, either version 2 of the License, or
+# (at your option) any later version.
 #
-# GNU Radio is distributed in the hope that it will be useful,
+# This program is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU General Public License
-# along with GNU Radio; see the file COPYING.  If not, write to
-# the Free Software Foundation, Inc., 51 Franklin Street,
-# Boston, MA 02110-1301, USA.
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 
 ########################################################################
@@ -24,6 +22,11 @@
 cmake_minimum_required(VERSION 2.6)
 project(rtlsdr C)
 
+# CMP0075 Include file check macros honor CMAKE_REQUIRED_LIBRARIES
+if(POLICY CMP0075)
+    cmake_policy(SET CMP0075 NEW)
+endif()
+
 #select the release build type by default to get optimization flags
 if(NOT CMAKE_BUILD_TYPE)
    set(CMAKE_BUILD_TYPE "Release")