X-Git-Url: https://git.quassel-irc.org/?a=blobdiff_plain;f=CMakeLists.txt;h=03ac969ef5bc8013ca940ded687a72cb766b654b;hb=4bd24192f86fa97c62ff1ef11505913574664919;hp=7c2389f6b05c9b3fba20444a4420fa21655462a3;hpb=bbe4e00c72ef57febad268b6937d950c01969a54;p=quassel.git

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 7c2389f6..03ac969e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -127,12 +127,12 @@ endif()
 
 # 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)
+if (POLICY CMP0043)
     cmake_policy(SET CMP0043 OLD)
 endif()
 
 # Honor visibility settings for all target types
-if (CMAKE_VERSION VERSION_GREATER 3.3)
+if (POLICY CMP0063)
     cmake_policy(SET CMP0063 NEW)
 endif()
 
@@ -433,6 +433,11 @@ endif()
 cmake_push_check_state(RESET)
 set(CMAKE_REQUIRED_INCLUDES ${QT_INCLUDES} ${Qt5Core_INCLUDE_DIRS})
 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${Qt5Core_EXECUTABLE_COMPILE_FLAGS}")
+
+if (USE_QT5 AND Qt5_POSITION_INDEPENDENT_CODE)
+    set(CMAKE_REQUIRED_FLAGS "-fPIC -DQT_NO_VERSION_TAGGING")
+endif()
+
 check_cxx_source_compiles("
     #include \"qglobal.h\"
     #if defined QT_NO_SSL