Set all HAVE_ macros on the top level

This keep everything consistent.

CMakeLists.txt

 # X11 stuff. It's in a if() so that we can say REQUIRED
 if(UNIX AND NOT APPLE)
   find_package(X11 REQUIRED)
+  if(X11_Xdamage_LIB)
+    add_definitions(-DHAVE_XDAMAGE)
+  endif()
+  if(X11_Xfixes_LIB)
+    add_definitions(-DHAVE_XFIXES)
+  endif()
+  if(X11_Xrandr_LIB)
+    add_definitions(-DHAVE_XRANDR)
+  endif()
+  if(X11_XTest_LIB)
+    add_definitions(-DHAVE_XTEST)
+  endif()
 endif()
 
 # Check for zlib
   find_package(PkgConfig)
   if (PKG_CONFIG_FOUND)
     pkg_check_modules(LIBSYSTEMD libsystemd)
+    if (LIBSYSTEMD_FOUND)
+      add_definitions(-DHAVE_LIBSYSTEMD)
+    endif()
   endif()
 endif()
 

unix/x0vncserver/CMakeLists.txt

 
 # systemd support (socket activation)
 if (LIBSYSTEMD_FOUND)
-  add_definitions(-DHAVE_SYSTEMD_H)
   target_link_libraries(x0vncserver ${LIBSYSTEMD_LIBRARIES})
 endif()
 
 if(X11_XTest_LIB)
-  add_definitions(-DHAVE_XTEST)
   target_link_libraries(x0vncserver ${X11_XTest_LIB})
 else()
   message(WARNING "No XTest extension.  x0vncserver will be view-only.")
 endif()
 
 if(X11_Xdamage_LIB)
-  add_definitions(-DHAVE_XDAMAGE)
   target_link_libraries(x0vncserver ${X11_Xdamage_LIB})
 else()
   message(WARNING "No DAMAGE extension.  x0vncserver will have to use the slower polling method.")
 endif()
 
 if(X11_Xfixes_LIB)
-  add_definitions(-DHAVE_XFIXES)
   target_link_libraries(x0vncserver ${X11_Xfixes_LIB})
 else()
   message(WARNING "No XFIXES extension.  x0vncserver will not be able to show cursors.")
 endif()
 
 if(X11_Xrandr_LIB)
-  add_definitions(-DHAVE_XRANDR)
   target_link_libraries(x0vncserver ${X11_Xrandr_LIB})
 else()
   message(WARNING "No Xrandr extension.  x0vncserver will not be able to resize session.")

unix/x0vncserver/x0vncserver.cxx

 #include <rfb/Timer.h>
 #include <network/TcpSocket.h>
 #include <network/UnixSocket.h>
-#ifdef HAVE_SYSTEMD_H
+#ifdef HAVE_LIBSYSTEMD
 #  include <systemd/sd-daemon.h>
 #endif
 
 
 static bool hasSystemdListeners()
 {
-#ifdef HAVE_SYSTEMD_H
+#ifdef HAVE_LIBSYSTEMD
   // This also returns true on errors, because we then assume we were
   // meant to use systemd but failed somewhere
   return sd_listen_fds(0) != 0;
 
 static int createSystemdListeners(std::list<SocketListener*> *listeners)
 {
-#ifdef HAVE_SYSTEMD_H
+#ifdef HAVE_LIBSYSTEMD
   int count = sd_listen_fds(0);
   if (count < 0) {
     vlog.error("Error getting listening sockets from systemd: %s",

vncviewer/CMakeLists.txt

   target_link_libraries(vncviewer ${X11_Xi_LIB})
 
   if(X11_Xrandr_LIB)
-    add_definitions(-DHAVE_XRANDR)
     target_link_libraries(vncviewer ${X11_Xrandr_LIB})
   endif()
 endif()