Get rid of checking for std::tr1::shared_pointer

We require C++11 and with that it should not be necessary to include/
use tr1.

CMakeLists.txt

@@ -78,17 +78,6 @@ find_package(Canberra)
 # ALSA is an optional dependency
 find_package(ALSA)
 
-# TODO: this test is probably obsolete by now
-include(CheckCXXSourceCompiles)
-check_cxx_source_compiles("
-    #include <memory>
-    int main() { std::shared_ptr<int> p; return 0; }
-" HAVE_STD_SHARED_PTR)
-check_cxx_source_compiles("
-    #include <tr1/memory>
-    int main() { std::tr1::shared_ptr<int> p; return 0; }
-" HAVE_STD_TR1_SHARED_PTR)
-
 ####################################################################################################
 ########### compile definitions ####################################################################
 ####################################################################################################
@@ -99,14 +88,6 @@ add_definitions(-DTRANSLATION_DOMAIN=\"kmix\")
 add_definitions(-DKMIX_VERSION=\"${KMIX_VERSION}\")
 add_definitions(-DKMIX_CONFIG_VERSION=${KMIX_CONFIG_VERSION})
 
-if (HAVE_STD_SHARED_PTR)
-  add_definitions(-DHAVE_STD_SHARED_PTR)
-else (HAVE_STD_SHARED_PTR)
-  if (HAVE_STD_TR1_SHARED_PTR)
-    add_definitions(-DHAVE_STD_TR1_SHARED_PTR)
-  endif (HAVE_STD_TR1_SHARED_PTR)
-endif (HAVE_STD_SHARED_PTR)
-
 if (ALSA_FOUND)
   set(HAVE_LIBASOUND2 TRUE)
   add_definitions(-DHAVE_LIBASOUND2)

core/MasterControl.h

@@ -23,13 +23,8 @@
 
 #include "kmixcore_export.h"
 
-#if defined(HAVE_STD_SHARED_PTR)
 #include <memory>
 using std::shared_ptr;
-#elif defined(HAVE_STD_TR1_SHARED_PTR)
-#include <tr1/memory>
-using std::tr1::shared_ptr;
-#endif
 
 #include <QString>
 

core/mixdevice.h

@@ -21,13 +21,8 @@
 #ifndef MixDevice_h
 #define MixDevice_h
 
-#if defined(HAVE_STD_SHARED_PTR)
 #include <memory>
 using std::shared_ptr;
-#elif defined(HAVE_STD_TR1_SHARED_PTR)
-#include <tr1/memory>
-using std::tr1::shared_ptr;
-#endif
 
 //KMix
 #include "core/MediaController.h"