@@ -64,6 +64,7 @@ show_help(){

   echo "  --disable-logging        do not log configure debug information"

   echo "  --prefix=PREFIX          install in PREFIX [$prefix]"

   echo "  --bindir=DIR             install binaries in DIR [PREFIX/bin]"

+  echo "  --datadir=DIR            install data files in DIR [PREFIX/share/ffmpeg]"

   echo "  --libdir=DIR             install libs in DIR [PREFIX/lib]"

   echo "  --shlibdir=DIR           install shared libs in DIR [PREFIX/lib]"

   echo "  --incdir=DIR             install includes in DIR [PREFIX/include]"

@@ -264,6 +265,10 @@ tolower(){

     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz

 }

+c_escape(){

+    echo "$*" | sed 's/["\\]/\\\0/g'

+}

+

 set_all(){

     value=$1

     shift

@@ -914,6 +919,7 @@ CMDLINE_SELECT="

 PATHS_LIST='

     bindir

+    datadir

     incdir

     libdir

     mandir

@@ -1113,6 +1119,7 @@ logfile="config.err"

 # installation paths

 prefix_default="/usr/local"

 bindir_default='${prefix}/bin'

+datadir_default='${prefix}/share/ffmpeg'

 incdir_default='${prefix}/include'

 libdir_default='${prefix}/lib'

 mandir_default='${prefix}/share/man'

@@ -2258,6 +2265,7 @@ echo "/* Automatically generated by configure - do not modify! */" > $TMPH

 echo "#ifndef FFMPEG_CONFIG_H" >> $TMPH

 echo "#define FFMPEG_CONFIG_H" >> $TMPH

 echo "#define FFMPEG_CONFIGURATION \"$FFMPEG_CONFIGURATION\"" >> $TMPH

+echo "#define FFMPEG_DATADIR \"$(eval c_escape $datadir)\"" >> $TMPH

 echo "FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION" >> config.mak

 echo "prefix=$prefix" >> config.mak

@@ -2265,6 +2273,7 @@ echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak

 echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak

 echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak

 echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak

+echo "DATADIR=\$(DESTDIR)$datadir" >> config.mak

 echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak

 echo "CC=$cc" >> config.mak

 echo "YASM=$yasmexe" >> config.mak