Some better warnings for missing libraries

Signed-off-by: Rémi Denis-Courmont <remi@remlab.net>

diff --git a/configure.ac b/configure.ac
index 13dffe3be3f3f91a47473a8d999656cfc50c9c23..c5ab7e0c7d4b7ea941cb3b0150756e8013105f20 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -3153,7 +3153,7 @@ then
       VLC_ADD_CFLAGS([swscale],[$SWSCALE_CFLAGS])
       VLC_RESTORE_FLAGS
     ],[
-      AC_MSG_WARN([Could not find libswscale. Trying to enable imgresample.])
+      AC_MSG_WARN([Could not find libswscale. Trying to enable imgresample.  Use --disable-swscale to ignore this error.])
       enable_imgresample=yes
   ])
 fi
@@ -3218,7 +3218,7 @@ then
       VLC_ADD_CFLAGS([postproc],[$POSTPROC_CFLAGS])
       VLC_RESTORE_FLAGS
     ],[
-      AC_MSG_ERROR([Could not find libpostproc.])
+      AC_MSG_ERROR([Could not find libpostproc. Use --disable-postproc to ignore this error.])
   ])
 fi