Use libv4l1-videodev.h when available

Signed-off-by: Slávek Banko <slavek.banko@axis.cz>
(cherry picked from commit 1ad8da5795)

configure.in.in

@@ -555,14 +555,20 @@ AC_ARG_ENABLE(webcam,
 )
 
 if test x$enable_webcam = xyes; then
-    KDE_CHECK_HEADERS([linux/videodev.h],
-		     [],
-		     [enable_webcam="no"])
+    KDE_CHECK_HEADERS(
+	[libv4l1-videodev.h],
+	[videodev_header="libv4l1-videodev.h"],
+	[
+	    KDE_CHECK_HEADERS([linux/videodev.h],
+	     [videodev_header="linux/videodev.h"],
+	     [enable_webcam="no"])
+	])
 fi
 
 AM_CONDITIONAL(ENABLE_WEBCAM, test $enable_webcam = yes)
 if test x$enable_webcam = xyes; then
     AC_DEFINE(ENABLE_WEBCAM, 1, [Define to 1 if webcam support is enabled])
+    AC_DEFINE_UNQUOTED(VIDEODEV_HEADER, ["$videodev_header"], [Define header name for videodev])
 fi
 
 dnl ---------- END WEBCAM CHECK ----------

src/barcode/barcode_v4l.cpp

@@ -16,7 +16,7 @@
 //#include <stdio.h>
 //#include <stdlib.h>
 #include <fcntl.h>              /* low-level i/o */
-//#include <unistd.h>
+#include <unistd.h>
 #include <errno.h>
 //#include <malloc.h>
 //#include <sys/stat.h>

src/barcode/barcode_v4l.h

@@ -30,8 +30,9 @@
 #undef FOO__STRICT_ANSI__
 #endif
 
-//#include <linux/videodev2.h>
-#include <linux/videodev.h>
+#include "config.h"
+
+#include VIDEODEV_HEADER
 
 #include <tqstring.h>
 #include <tqimage.h>