Index: configure
===================================================================
--- configure	(revision 23012)
+++ configure	(working copy)
@@ -1040,6 +1040,7 @@
     fast_cmov
     fast_unaligned
     fork
+    freetype2
     getaddrinfo
     gethrtime
     GetProcessMemoryInfo
@@ -1056,6 +1057,7 @@
     llrintf
     local_aligned_16
     local_aligned_8
+    localtime_r
     log2
     log2f
     loongson
@@ -1414,6 +1416,7 @@
 
 # filters
 movie_filter_deps="avfilter_lavf"
+yadif_filter_deps=gpl
 avfilter_lavf_deps="avformat"
 
 # libraries
@@ -2522,6 +2525,7 @@
 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
 check_func  inet_aton $network_extralibs
 check_func  isatty
+check_func  localtime_r
 check_func  ${malloc_prefix}memalign            && enable memalign
 check_func  mkstemp
 check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign
@@ -2687,10 +2691,15 @@
 check_header sys/soundcard.h
 check_header soundcard.h
 
+drawtext_filter_extralibs="-lfreetype -lz"
+check_foo_config freetype2 freetype ft2build.h FT_Init_FreeType
+
 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
 
 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
 
+enabled drawtext_filter && add_cflags $(pkg-config --cflags freetype2) && require libfreetype ft2build.h FT_Init_FreeType -lfreetype
+
 enabled x11grab                         &&
 check_header X11/Xlib.h                 &&
 check_header X11/extensions/XShm.h      &&