make ubuntu 11.04 compile with libv4l

cvconfig.h.cmake

@@ -19,6 +19,9 @@
 /* V4L2 capturing support */
 #cmakedefine HAVE_CAMV4L2
 
+/* V4L/V4L2 capturing support via libv4l */
+#cmakedefine HAVE_LIBV4L
+
 /* Carbon windowing environment */
 #cmakedefine HAVE_CARBON
 

modules/highgui/src/cap.cpp

@@ -173,7 +173,7 @@ CV_IMPL CvCapture * cvCreateCameraCapture (int index)
             if (capture)
                 return capture;
         #endif
-        #if defined (HAVE_CAMV4L) && defined (HAVE_CAMV4L2)
+        #if defined HAVE_LIBV4L || (defined (HAVE_CAMV4L) && defined (HAVE_CAMV4L2))
             capture = cvCreateCameraCapture_V4L (index);
             if (capture)
                 return capture;

modules/highgui/src/cap_libv4l.cpp

@@ -224,7 +224,7 @@ make & enjoy!
 #include "highgui.h"
 #include "precomp.hpp"
 
-#if !defined WIN32 && defined HAVE_CAMV4L && defined HAVE_CAMV4L2
+#if !defined WIN32 && defined HAVE_LIBV4L
 
 #define CLEAR(x) memset (&(x), 0, sizeof (x))
 
@@ -241,8 +241,12 @@ make & enjoy!
 #include <sys/stat.h>
 #include <sys/ioctl.h>
 
+#ifdef HAVE_CAMV4L
 #include <linux/videodev.h>
+#endif
+#ifdef HAVE_CAMV4L2
 #include <linux/videodev2.h>
+#endif
 
 #include <libv4l1.h>
 #include <libv4l2.h>