diff -u modules/highgui/src/cap.cpp modules/highgui/src.mod/cap.cpp
--- modules/highgui/src/cap.cpp	2011-05-10 09:15:45.978453001 +0900
+++ modules/highgui/src.mod/cap.cpp	2011-05-10 09:25:04.406453002 +0900
@@ -171,7 +171,7 @@
             if (capture)
                 return capture;
         #endif
-        #if defined (HAVE_CAMV4L) || defined (HAVE_CAMV4L2)
+        #if defined (HAVE_CAMV4L) && defined (HAVE_CAMV4L2)
             capture = cvCreateCameraCapture_V4L (index);
             if (capture)
                 return capture;
diff -u modules/highgui/src/cap_libv4l.cpp modules/highgui/src.mod/cap_libv4l.cpp
--- modules/highgui/src/cap_libv4l.cpp	2011-05-10 09:15:45.970453003 +0900
+++ modules/highgui/src.mod/cap_libv4l.cpp	2011-05-10 09:25:04.394453003 +0900
@@ -241,7 +241,12 @@
 #include <sys/stat.h>
 #include <sys/ioctl.h>
 
+#include <linux/version.h>
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,38)
+#include <libv4l1-videodev.h>
+#else
 #include <linux/videodev.h>
+#endif
 #include <linux/videodev2.h>
 
 #include <libv4l1.h>
diff -u modules/highgui/src/cap_v4l.cpp modules/highgui/src.mod/cap_v4l.cpp
--- modules/highgui/src/cap_v4l.cpp	2011-05-10 09:15:45.978453001 +0900
+++ modules/highgui/src.mod/cap_v4l.cpp	2011-05-10 09:25:04.406453002 +0900
@@ -202,7 +202,7 @@
 
 #include "precomp.hpp"
 
-#if !defined WIN32 && (defined HAVE_CAMV4L || defined HAVE_CAMV4L2)
+#if !defined WIN32 && defined HAVE_CAMV4L && defined HAVE_CAMV4L2
 
 #define CLEAR(x) memset (&(x), 0, sizeof (x))
 
@@ -214,7 +214,12 @@
 #include <sys/types.h>
 #include <sys/mman.h>
 
+#include <linux/version.h>
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,38)
+#include <libv4l1-videodev.h>
+#else
 #include <linux/videodev.h>
+#endif
 
 #include <string.h>
 #include <stdlib.h>
Common subdirectories: modules/highgui/src/files_Qt and modules/highgui/src.mod/files_Qt