diff --git a/configure.ac b/configure.ac
index 1e7652ef75..fb32591c21 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2234,10 +2234,9 @@ if test "${enable_opencv}" = "yes" -a "${CXX}" != "";
 then
   AC_ARG_WITH(opencv-tree,
   [    --with-opencv-tree=PATH opencv tree for linking])
-  if test -n "${with_opencv_tree}"
-  then
     if test "${SYS}" = "mingw32" -o "${SYS}" = "cygwin"
     then
+      test -z "${with_opencv_tree}" && AC_MSG_ERROR([You have to specify --with-opencv-tree])
 	  AC_MSG_CHECKING(for opencv in ${with_opencv_tree})
 	  if test -f ${with_opencv_tree}/cv/include/cv.h -a -f ${with_opencv_tree}/cxcore/include/cxcore.h \
 	    -a -f ${with_opencv_tree}/cvaux/include/cvaux.h -a -f ${with_opencv_tree}/otherlibs/highgui/highgui.h
@@ -2257,9 +2256,17 @@ then
         AC_MSG_ERROR([cannot find opencv in ${with_opencv_tree}])
 	  fi
     else
-	  AC_MSG_WARN([--enable-opencv currently only works on windows])
+      PKG_CHECK_MODULES(OPENCV, opencv,
+        [
+          VLC_ADD_PLUGIN([opencv_example])
+          VLC_ADD_PLUGIN([opencv_wrapper])
+          VLC_ADD_LIBS([opencv_example opencv_wrapper],[${OPENCV_LIBS}])
+          VLC_ADD_CFLAGS([opencv_wrapper],[${OPENCV_CFLAGS}])
+          VLC_ADD_CXXFLAGS([opencv_example],[${OPENCV_CFLAGS}])
+        ],
+        [AC_MSG_ERROR([libopencv not found!])]
+      )
     fi
-  fi  
 fi
 
 
@@ -3023,18 +3030,19 @@ dnl Trying with pkg-config
          [AC_CHECK_HEADERS([ffmpeg/swscale.h libswscale/swscale.h])],
          [],
          [${SWSCALE_LIBS}])
-     VLC_RESTORE_FLAGS
     ],[AC_CHECK_LIB(avcodec,img_resample,[],
         [AC_MSG_ERROR([Your FFmpeg library doesn't have the needed img_resample() function. You should rebuild it with software scaler disabled, or install the swscale headers.])],
         [${FFMPEG_LIBS}])
       ]
     )
+    VLC_RESTORE_FLAGS
 
   ],[
 
     dnl
     dnl last chance: at the default place
     dnl
+      VLC_SAVE_FLAGS
       CPPFLAGS="${CPPFLAGS_save} ${CPPFLAGS_ffmpeg}"
       LDFLAGS="${LDFLAGS_save} ${LDFLAGS_ffmpeg} ${LIBS_ffmpeg}"
       AC_CHECK_HEADERS(ffmpeg/avcodec.h libavcodec/avcodec.h)
@@ -3061,8 +3069,7 @@ dnl Trying with pkg-config
 
       AC_CHECK_LIB(avformat, av_open_input_stream, [
         VLC_ADD_LIBS([ffmpeg],[-lavformat -lz]) ], [], [-lavcodec -lz $LDAVUTIL])
-      LDFLAGS="${LDFLAGS_save}"
-      CPPFLAGS="${CPPFLAGS_save}"
+      VLC_RESTORE_FLAGS
 
       AC_CHECK_LIB(swscale, sws_getContext, [
         AC_CHECK_HEADERS(ffmpeg/swscale.h libswscale/swscale.h)
@@ -3070,10 +3077,10 @@ dnl Trying with pkg-config
         [AC_CHECK_LIB(avcodec,img_resample,[],
             [AC_MSG_ERROR([Your FFmpeg library doesn't have the needed img_resample() function. You should rebuild it with software scaler disabled, or install the swscale headers.])],
         [-lavcodec $LDAVUTIL])
-      LDFLAGS="${LDFLAGS_save}"
-      CPPFLAGS="${CPPFLAGS_save}"
       ],
       [${SWSCALE_LIBS}])
+
+      VLC_RESTORE_FLAGS
   ])
 fi
 
diff --git a/modules/codec/zvbi.c b/modules/codec/zvbi.c
index 97df63ada4..7800ac7001 100644
--- a/modules/codec/zvbi.c
+++ b/modules/codec/zvbi.c
@@ -344,7 +344,7 @@ static subpicture_t *Decode( decoder_t *p_dec, block_t **pp_block )
 
     p_spu->p_region->i_x = 0;
     p_spu->p_region->i_y = 0;
-    p_spu->p_region->i_align = SUBPICTURE_ALIGN_BOTTOM;
+    p_spu->p_region->i_align = p_sys->i_align;
 
     /* Normal text subs, easy markup */
     p_spu->i_flags = SUBPICTURE_ALIGN_BOTTOM;
@@ -381,7 +381,6 @@ static subpicture_t *Decode( decoder_t *p_dec, block_t **pp_block )
         if( i_total <= 40 ) goto error;
         p_spu->p_region->psz_text = strdup( &p_text[8] );
 
-        p_spu->p_region->fmt.i_height = p_spu->p_region->fmt.i_visible_height = p_page.rows + 1;
 #ifdef ZVBI_DEBUG
         msg_Info( p_dec, "page %x-%x(%d)\n%s", p_page.pgno, p_page.subno, i_total, p_text );
 #endif
diff --git a/modules/video_filter/opencv_example.cpp b/modules/video_filter/opencv_example.cpp
index ee3181aaf3..54a3f4d31a 100644
--- a/modules/video_filter/opencv_example.cpp
+++ b/modules/video_filter/opencv_example.cpp
@@ -36,7 +36,6 @@
 
 #include <vlc/vlc.h>
 #include <vlc_plugin.h>
-#include <vlc_decoder.h>
 #include <vlc_filter.h>
 #include "filter_common.h"
 #include <vlc_image.h>
diff --git a/src/extras/libc.c b/src/extras/libc.c
index 4f62486e25..da839095c6 100644
--- a/src/extras/libc.c
+++ b/src/extras/libc.c
@@ -322,17 +322,6 @@ int vlc_wclosedir( void *_p_dir )
 #endif
 }
 
-#if defined (WIN32)
-/**
- * gettext callbacks for plugins.
- * LibVLC links libintl statically on Windows.
- */
-char *vlc_dgettext( const char *package, const char *msgid )
-{
-    return dgettext( package, msgid );
-}
-#endif
-
 /**
  * In-tree plugins share their gettext domain with LibVLC.
  */
diff --git a/src/libvlc.h b/src/libvlc.h
index ff0ce6125b..9194932afd 100644
--- a/src/libvlc.h
+++ b/src/libvlc.h
@@ -287,8 +287,6 @@ void vlc_rewinddir (void *);
 #   define _wreaddir vlc_wreaddir
 #   define _wclosedir vlc_wclosedir
 #   define rewinddir vlc_rewinddir
-
-char *vlc_dgettext ( const char *package, const char *msgid );
 #endif
 
 #endif