X-Git-Url: https://git.quassel-irc.org/?a=blobdiff_plain;f=CMakeLists.txt;h=7e238174cd7dcfa0f04c82bc5a3a5a168594407c;hb=8d4390492e6a46e4e5f3bac54a74fde56756d23a;hp=a9a32ac7230791a4b06a1490077f147b5018c332;hpb=9d53543b484d6700defb05eea7bc9e3d7c97c3c3;p=quassel.git

diff --git a/CMakeLists.txt b/CMakeLists.txt
index a9a32ac7..7e238174 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -34,6 +34,11 @@ include(FeatureSummary)
 include(QuasselCompileSettings)
 include(QuasselMacros)
 
+# Setting COMPILE_DEFINITIONS_<CONFIG> is deprecated since CMake 3.0 in favor of generator expressions.
+# These have existed since CMake 2.8.10; until we depend on that, we have to explicitly enable the old policy.
+if (CMAKE_MAJOR_VERSION GREATER 2)
+    cmake_policy(SET CMP0043 OLD)
+endif()
 
 # Options and variables that can be set on the command line
 #####################################################################