Use preprocessors to ensure libvnc monitor is only built when libvnc is found

src/zm_libvnc_camera.cpp

@@ -2,6 +2,8 @@
 #include "zm_signal.h"
 #include "zm_libvnc_camera.h"
 
+#if HAVE_LIBVNC
+
 static int TAG_0;
 static int TAG_1;
 static int TAG_2;
@@ -125,4 +127,5 @@ int VncCamera::CaptureAndRecord(Image &image, timeval recording, char* event_dir
 int VncCamera::Close() {
   rfbClientCleanup(mRfb);
   return 0;
-}
+}
+#endif

src/zm_libvnc_camera.h

@@ -6,6 +6,7 @@
 #include "zm_camera.h"
 #include "zm_thread.h"
 
+#if HAVE_LIBVNC
 #include <rfb/rfbclient.h>
 
 // Used by vnc callbacks
@@ -61,4 +62,4 @@ public:
   int Close();
 };
 
-#endif
+#endif // HAVE_LIBVNC

src/zm_monitor.cpp

@@ -51,7 +51,9 @@
 #if HAVE_LIBCURL
 #include "zm_curl_camera.h"
 #endif // HAVE_LIBCURL
+#if HAVE_LIBVNC
 #include "zm_libvnc_camera.h"
+#endif // HAVE_LIBVNC
 
 #if ZM_MEM_MAPPED
 #include <sys/mman.h>
@@ -2335,6 +2337,7 @@ Monitor *Monitor::Load(MYSQL_ROW dbrow, bool load_zones, Purpose purpose) {
     Fatal("You must have libcurl installed to use ffmpeg cameras for monitor %d", id);
 #endif // HAVE_LIBCURL
   } else if ( type == "VNC" ) {
+#if HAVE_LIBVNC
     camera = new VncCamera(
       id,
       host.c_str(),
@@ -2351,6 +2354,9 @@ Monitor *Monitor::Load(MYSQL_ROW dbrow, bool load_zones, Purpose purpose) {
       purpose==CAPTURE,
       record_audio
     );
+#else // HAVE_LIBVNC
+    Fatal("You must have libvnc installed to use VNC cameras for monitor id %d", id);
+#endif // HAVE_LIBVNC
   } else {
     Fatal("Bogus monitor type '%s' for monitor %d", type.c_str(), id);
   } // end if type

zoneminder-config.cmake

@@ -59,6 +59,8 @@
 #cmakedefine HAVE_LIBAVRESAMPLE_AVRESAMPLE_H 1
 #cmakedefine HAVE_LIBVLC 1
 #cmakedefine HAVE_VLC_VLC_H 1
+#cmakedefine HAVE_LIBVNC 1
+#cmakedefine HAVE_RFB_RFB_H 1
 #cmakedefine HAVE_LIBX264 1
 #cmakedefine HAVE_X264_H 1
 #cmakedefine HAVE_LIBMP4V2 1