add check for video4linux

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@89475 65c4cc65-6c06-0410-ace0-fbb531ad65f3

configure

@@ -1,5 +1,5 @@
 #! /bin/sh
-# From configure.ac Revision: 89464 .
+# From configure.ac Revision: 89472 .
 # Guess values for system-dependent variables and create Makefiles.
 # Generated by GNU Autoconf 2.61.
 #
@@ -45635,6 +45635,142 @@ _ACEOF
 fi
 
 
+# possible places for video4linux version 1
+if test "${ac_cv_header_linux_videodev_h+set}" = set; then
+  { echo "$as_me:$LINENO: checking for linux/videodev.h" >&5
+echo $ECHO_N "checking for linux/videodev.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_linux_videodev_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_linux_videodev_h" >&5
+echo "${ECHO_T}$ac_cv_header_linux_videodev_h" >&6; }
+else
+  # Is the header compilable?
+{ echo "$as_me:$LINENO: checking linux/videodev.h usability" >&5
+echo $ECHO_N "checking linux/videodev.h usability... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <linux/videodev.h>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ echo "$as_me:$LINENO: checking linux/videodev.h presence" >&5
+echo $ECHO_N "checking linux/videodev.h presence... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <linux/videodev.h>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       }; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: linux/videodev.h: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: linux/videodev.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: linux/videodev.h: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: linux/videodev.h: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: linux/videodev.h: present but cannot be compiled" >&5
+echo "$as_me: WARNING: linux/videodev.h: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: linux/videodev.h:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: linux/videodev.h:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: linux/videodev.h: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: linux/videodev.h: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: linux/videodev.h:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: linux/videodev.h:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: linux/videodev.h: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: linux/videodev.h: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: linux/videodev.h: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: linux/videodev.h: in the future, the compiler will take precedence" >&2;}
+
+    ;;
+esac
+{ echo "$as_me:$LINENO: checking for linux/videodev.h" >&5
+echo $ECHO_N "checking for linux/videodev.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_linux_videodev_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_cv_header_linux_videodev_h=$ac_header_preproc
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_linux_videodev_h" >&5
+echo "${ECHO_T}$ac_cv_header_linux_videodev_h" >&6; }
+
+fi
+if test $ac_cv_header_linux_videodev_h = yes; then
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_VIDEODEV_H 1
+_ACEOF
+
+fi
+
+
+
 # possible places for X11
 
 if test "x${PBX_X11}" != "x1" -a "${USE_X11}" != "no"; then

configure.ac

@@ -1184,6 +1184,10 @@ AST_EXT_TOOL_CHECK([SDL], [sdl])
 AST_EXT_LIB_CHECK([SDL_IMAGE], [SDL_image], [IMG_Load], [SDL_image.h], [${SDL_LIB}], [${SDL_INCLUDE}])
 AST_EXT_LIB_CHECK([FFMPEG], [avcodec], [sws_getContext], [ffmpeg/avcodec.h], [-lpthread -lz -lm])
 
+# possible places for video4linux version 1
+AC_CHECK_HEADER([linux/videodev.h],
+	[AC_DEFINE_UNQUOTED([HAVE_VIDEODEV_H], 1, [Define to 1 if your system has linux/videodev.h.])])
+
 # possible places for X11
 AST_EXT_LIB_CHECK([X11], [X11], [XOpenDisplay], [X11/Xlib.h],,, [standard_path])
 AST_EXT_LIB_CHECK([X11], [X11], [XOpenDisplay], [X11/Xlib.h],, [-I/usr/X11R6/include], [X11R6])

include/asterisk/autoconfig.h.in

@@ -961,6 +961,9 @@
 /* Define to 1 if you have the <vfork.h> header file. */
 #undef HAVE_VFORK_H
 
+/* Define to 1 if your system has linux/videodev.h. */
+#undef HAVE_VIDEODEV_H
+
 /* Define this to indicate the ${VORBIS_DESCRIP} library */
 #undef HAVE_VORBIS