build: Call AC_CONFIG_HEADERS rather than AM_CONFIG_HEADER.
[paraslash.git] / configure.ac
index c5379b1407b9dca173517d07e4d0861665e9148b..6f8878a3e09c5b8b30f4f42f4a43825000b3c7a9 100644 (file)
@@ -3,12 +3,27 @@
 
 AC_PREREQ([2.61])
 
-AC_INIT([paraslash],[git],[maan@systemlinux.org])
-AC_CONFIG_HEADER([config.h])
+AC_INIT([paraslash],[git],[maan@tuebingen.mpg.de])
+AC_CONFIG_HEADERS([config.h])
 
 AC_CONFIG_FILES([Makefile])
 AC_DEFUN([add_dot_o],[$(for i in $@; do printf "$i.o "; done)])
-AC_DEFUN([objlist_to_errlist],[$(for i in $@; do printf "DEFINE_ERRLIST($(echo $i| tr 'a-z' 'A-Z'));"; done) [const char **para_errlist[[]]] = {$(for i in $@; do printf "PARA_ERRLIST($(echo $i | tr 'a-z' 'A-Z')), "; done) }])
+AC_DEFUN([add_cmdline],[$(for i in $@; do printf "${i}.cmdline "; done)])
+AC_DEFUN([make_errlist_defines], \
+       $(for i in $@; do \
+               printf "DEFINE_ERRLIST($(echo $i | tr 'a-z' 'A-Z'));"; \
+       done) \
+)
+AC_DEFUN([make_para_errlists], \
+       $(for i in $@; do \
+               printf "PARA_ERRLIST($(echo $i | tr 'a-z' 'A-Z')), "; \
+       done) \
+)
+AC_DEFUN([objlist_to_errlist],[ \
+       make_errlist_defines($@) \
+       [const char **para_errlist[[]]] = {make_para_errlists($@)} \
+])
+
 AC_PATH_PROG(UNAMEPATH, uname, no)
 if test "$UNAMEPATH" = "no"; then
        AC_MSG_ERROR(unable to determine system type)
@@ -88,79 +103,7 @@ AC_CHECK_FUNCS([atexit dup2 memchr memmove memset \
        strncasecmp strrchr strspn alarm mkdir inet_ntoa socket], [],
        [AC_MSG_ERROR([function not found, cannot live without it])])
 
-AC_DEFUN([add_cmdline],[$(for i in $@; do printf "${i}.cmdline "; done)])
-
-
 executables="recv filter audioc write afh play"
-audio_format_handlers="mp3 wma"
-
-recv_cmdline_objs="add_cmdline(recv http_recv dccp_recv udp_recv afh_recv)"
-
-recv_errlist_objs="
-       http_recv recv_common recv time string net dccp_recv fd
-       sched stdout ggo udp_recv buffer_tree afh_recv afh_common
-       wma_afh wma_common mp3_afh version
-"
-
-recv_ldflags=""
-
-filter_cmdline_objs="add_cmdline(filter compress_filter amp_filter prebuffer_filter)"
-filter_errlist_objs="filter_common wav_filter compress_filter filter string
-       stdin stdout sched fd amp_filter ggo fecdec_filter fec version
-       prebuffer_filter time bitstream imdct wma_common wmadec_filter buffer_tree"
-filter_ldflags="-lm"
-filters=" compress wav amp fecdec wmadec prebuffer"
-
-audioc_cmdline_objs="add_cmdline(audioc)"
-audioc_errlist_objs="
-       audioc
-       string
-       net
-       fd
-       version
-       ggo
-"
-audioc_ldflags=""
-
-afh_cmdline_objs="add_cmdline(afh)"
-afh_errlist_objs="afh string fd mp3_afh afh_common time wma_afh wma_common
-       version ggo"
-afh_ldflags=""
-
-write_cmdline_objs="add_cmdline(write file_write)"
-write_errlist_objs="write write_common file_write time fd string sched stdin
-       buffer_tree ggo check_wav version"
-write_ldflags=""
-writers=" file"
-default_writer="FILE_WRITE"
-
-gui_cmdline_objs="add_cmdline(gui)"
-gui_errlist_objs="
-       exec
-       signal
-       string
-       stat
-       ringbuffer
-       fd
-       gui
-       gui_theme
-       time
-       version
-       ggo
-"
-gui_objs="$gui_cmdline_objs $gui_errlist_objs"
-play_errlist_objs="play fd sched ggo buffer_tree time string net
-       afh_recv afh_common
-       wma_afh wma_common mp3_afh
-       recv_common udp_recv http_recv dccp_recv
-       filter_common fec bitstream imdct
-       wav_filter compress_filter amp_filter prebuffer_filter fecdec_filter
-               wmadec_filter
-       write_common file_write
-       version
-"
-play_cmdline_objs="add_cmdline(http_recv dccp_recv udp_recv afh_recv compress_filter amp_filter prebuffer_filter file_write play)"
-play_ldflags="-lm"
 ################################################################## clock_gettime
 clock_gettime_lib=
 AC_CHECK_LIB([c], [clock_gettime], [clock_gettime_lib=c], [
@@ -193,15 +136,18 @@ fi
 
 AC_CHECK_HEADER(osl.h, [], have_osl=no)
 AC_CHECK_LIB([osl], [osl_open_table], [], have_osl=no)
-if test "$have_osl" = "no"; then
+if test "$have_osl" = "yes"; then
+       AC_SUBST(osl_cppflags)
+       osl_ldflags="$osl_libs -losl"
+       AC_SUBST(osl_ldflags)
+else
        AC_MSG_WARN([libosl not found, can not build para_server.
 Download libosl at
-       http://systemlinux.org/~maan/osl
+       http://people.tuebingen.mpg.de/maan/osl/
 or execute
        git clone git://git.tuebingen.mpg.de/osl
        ])
 fi
-AC_SUBST(osl_cppflags)
 CPPFLAGS="$OLD_CPPFLAGS"
 LDFLAGS="$OLD_LDFLAGS"
 LIBS="$OLD_LIBS"
@@ -256,14 +202,8 @@ if test "$check_openssl" = "yes"; then
        if test "$have_openssl" = "yes"; then
                AC_DEFINE(HAVE_OPENSSL, 1, [define to 1 to turn on openssl support])
                AC_SUBST(openssl_cppflags)
-               openssl_libs="$openssl_libs -lssl -lcrypto"
-               server_ldflags="$server_ldflags $openssl_libs"
-               client_ldflags="$client_ldflags $openssl_libs"
-               audiod_ldflags="$audiod_ldflags $openssl_libs"
-
-               server_errlist_objs="$server_errlist_objs crypt"
-               client_errlist_objs="$client_errlist_objs crypt"
-               audiod_errlist_objs="$audiod_errlist_objs crypt"
+               openssl_ldflags="$openssl_libs -lssl -lcrypto"
+               AC_SUBST(openssl_ldflags)
 
                check_gcrypt="no"
        else
@@ -298,14 +238,8 @@ if test "$check_gcrypt" = "yes"; then
        if test "$have_gcrypt" = "yes"; then
                AC_DEFINE(HAVE_GCRYPT, 1, [define to 1 to turn on gcrypt support])
                AC_SUBST(gcrypt_cppflags)
-               gcrypt_libs="$gcrypt_libs -lgcrypt"
-               server_ldflags="$server_ldflags $gcrypt_libs"
-               client_ldflags="$client_ldflags $gcrypt_libs"
-               audiod_ldflags="$audiod_ldflags $gcrypt_libs"
-
-               server_errlist_objs="$server_errlist_objs gcrypt"
-               client_errlist_objs="$client_errlist_objs gcrypt"
-               audiod_errlist_objs="$audiod_errlist_objs gcrypt"
+               gcrypt_ldflags="$gcrypt_libs -lgcrypt"
+               AC_SUBST(gcrypt_ldflags)
        else
                AC_MSG_WARN([gcrypt library not found])
        fi
@@ -317,29 +251,16 @@ else
 fi
 ########################################################################### libsocket
 AC_CHECK_LIB([c], [socket],
-       [socket_lib=],
-       [socket_lib="-lsocket"]
+       [socket_ldlflags=],
+       [socket_ldflags="-lsocket"]
 )
-server_ldflags="$server_ldflags $socket_lib"
-client_ldflags="$client_ldflags $socket_lib"
-audioc_ldflags="$audioc_ldflags $socket_lib"
-audiod_ldflags="$audiod_ldflags $socket_lib"
-recv_ldflags="$recv_ldflags $socket_lib"
-AC_SEARCH_LIBS([connect],[socket],[],[
-       AC_MSG_ERROR([Fatal: Did not find connect().])
-],[])
+AC_SUBST(socket_ldflags)
 ########################################################################### libnsl
 AC_CHECK_LIB([c], [gethostbyname],
-       [nsl_lib=],
-       [nsl_lib="-lnsl"]
+       [nsl_ldflags=],
+       [nsl_ldflags="-lnsl"]
 )
-server_ldflags="$server_ldflags $nsl_lib"
-client_ldflags="$client_ldflags $nsl_lib"
-audioc_ldflags="$audioc_ldflags $nsl_lib"
-recv_ldflags="$recv_ldflags $nsl_lib"
-AC_SEARCH_LIBS([inet_ntoa],[nsl],[],[
-       AC_MSG_ERROR([Fatal: Did not find inet_ntoa().])
-],[])
+AC_SUBST(nsl_ldflags)
 ########################################################################### ucred
 AC_MSG_CHECKING(for struct ucred)
 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
@@ -382,27 +303,20 @@ fi
 AC_CHECK_HEADER(curses.h, [], [
        have_curses="no"
 ])
-gui_ldflags="$curses_libs"
+curses_ldflags="$curses_libs"
 AC_CHECK_LIB([ncursesw], [initscr],
-       [gui_ldflags="$curses_libs -lncursesw"], [
+       [curses_ldflags="$curses_libs -lncursesw"], [
                AC_CHECK_LIB([curses], [initscr],
-                       [gui_ldflags="$curses_libs -lcurses"],
+                       [curses_ldflags="$curses_libs -lcurses"],
                        [have_curses="no"]
                )
        ]
 )
-if test "$have_curses" = "yes"; then
-       AC_SUBST(curses_cppflags)
-       build_gui="yes"
-       executables="$executables gui"
-else
-       build_gui="no"
-       AC_MSG_WARN([no curses lib, cannot build para_gui])
-fi
+AC_SUBST(curses_cppflags)
+AC_SUBST(curses_ldflags)
 CPPFLAGS="$OLD_CPPFLAGS"
 LDFLAGS="$OLD_LDFLAGS"
 LIBS="$OLD_LIBS"
-
 ########################################################################### ip_mreqn
 AC_MSG_CHECKING(for struct ip_mreqn (UDPv4 multicast))
 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
@@ -430,21 +344,8 @@ if test ${have_core_audio} = yes; then
        f2="-framework AudioToolbox"
        f3="-framework AudioUnit"
        f4="-framework CoreServices"
-       f="$f1 $f2 $f3 $f4"
-
-       audiod_errlist_objs="$audiod_errlist_objs osx_write ipc"
-       audiod_cmdline_objs="$audiod_cmdline_objs osx_write.cmdline"
-       audiod_ldflags="$audiod_ldflags $f"
-
-       play_errlist_objs="$play_errlist_objs osx_write ipc"
-       play_cmdline_objs="$play_cmdline_objs osx_write.cmdline"
-       play_ldflags="$play_ldflags $f"
-
-       write_errlist_objs="$write_errlist_objs osx_write ipc"
-       write_cmdline_objs="$write_cmdline_objs osx_write.cmdline"
-       write_ldflags="$write_ldflags $f"
-       writers="$writers osx"
-       default_writer="OSX_WRITE"
+       core_audio_ldflags="$f1 $f2 $f3 $f4"
+       AC_SUBST(core_audio_ldflags)
        AC_DEFINE(HAVE_CORE_AUDIO, 1, define to 1 on Mac Os X)
 fi
 ####################################################### ogg/vorbis/speex/opus
@@ -479,11 +380,17 @@ if test -n "$with_ogg_libs"; then
 fi
 AC_CHECK_HEADERS([ogg/ogg.h], [], [ have_ogg="no"; ])
 AC_CHECK_LIB([ogg], [ogg_stream_init], [], [ have_ogg="no" ])
+CPPFLAGS="$OLD_CPPFLAGS"
+LDFLAGS="$OLD_LDFLAGS"
+LIBS="$OLD_LIBS"
 
 have_vorbis="yes"
 have_speex="yes"
 have_opus="yes"
 if test "$have_ogg" = "yes"; then
+       OLD_CPPFLAGS="$CPPFLAGS"
+       OLD_LDFLAGS="$LDFLAGS"
+       OLD_LIBS="$LIBS"
        # vorbis
        if test -n "$with_vorbis_headers"; then
                vorbis_cppflags="-I$with_vorbis_headers"
@@ -495,8 +402,14 @@ if test "$have_ogg" = "yes"; then
        fi
        AC_CHECK_HEADERS([vorbis/codec.h], [], [ have_vorbis="no" ])
        AC_CHECK_LIB([vorbis], [vorbis_info_init], [], [ have_vorbis="no" ])
+       CPPFLAGS="$OLD_CPPFLAGS"
+       LDFLAGS="$OLD_LDFLAGS"
+       LIBS="$OLD_LIBS"
 
        # speex
+       OLD_CPPFLAGS="$CPPFLAGS"
+       OLD_LDFLAGS="$LDFLAGS"
+       OLD_LIBS="$LIBS"
        if test -n "$with_speex_headers"; then
                speex_cppflags="-I$with_speex_headers"
                CPPFLAGS="$CPPFLAGS $speex_cppflags"
@@ -507,8 +420,14 @@ if test "$have_ogg" = "yes"; then
        fi
        AC_CHECK_LIB([speex], [speex_decoder_init], [], [ have_speex="no" ])
        AC_CHECK_HEADERS([speex/speex.h], [], [ have_speex="no" ])
+       CPPFLAGS="$OLD_CPPFLAGS"
+       LDFLAGS="$OLD_LDFLAGS"
+       LIBS="$OLD_LIBS"
 
        # opus
+       OLD_CPPFLAGS="$CPPFLAGS"
+       OLD_LDFLAGS="$LDFLAGS"
+       OLD_LIBS="$LIBS"
        if test -n "$with_opus_headers"; then
                opus_cppflags="-I$with_opus_headers"
                CPPFLAGS="$CPPFLAGS $opus_cppflags"
@@ -519,6 +438,9 @@ if test "$have_ogg" = "yes"; then
        fi
        AC_CHECK_LIB([opus], [opus_multistream_decode], [], [ have_opus="no" ])
        AC_CHECK_HEADERS([opus/opus.h], [], [ have_opus="no" ])
+       CPPFLAGS="$OLD_CPPFLAGS"
+       LDFLAGS="$OLD_LDFLAGS"
+       LIBS="$OLD_LIBS"
 else
        AC_MSG_WARN([vorbis/speex/opus depend on libogg, which was not detected])
        have_vorbis="no"
@@ -531,93 +453,35 @@ if test "$have_vorbis" = "yes" || \
                test "$have_speex" = "yes" || \
                test "$have_opus" = "yes"; then
        AC_SUBST(ogg_cppflags)
-       ogg_libs="$ogg_libs -logg"
+       ogg_ldflags="$ogg_libs -logg"
        if test "$OSTYPE" = "Darwin"; then
-               ogg_libs="-Wl,-bind_at_load $ogg_libs"
+               ogg_ldflags="-Wl,-bind_at_load $ogg_ldflags"
        fi
-       server_ldflags="$server_ldflags $ogg_libs"
-       filter_ldflags="$filter_ldflags $ogg_libs"
-       audiod_ldflags="$audiod_ldflags $ogg_libs"
-       play_ldflags="$play_ldflags $ogg_libs"
-       afh_ldflags="$afh_ldflags $ogg_libs"
-       recv_ldflags="$recv_ldflags $ogg_libs"
-       afh_errlist_objs="$afh_errlist_objs ogg_afh_common"
-       recv_errlist_objs="$recv_errlist_objs ogg_afh_common"
-       server_errlist_objs="$server_errlist_objs ogg_afh_common"
-       play_errlist_objs="$play_errlist_objs ogg_afh_common"
+       AC_SUBST(ogg_ldflags)
 fi
 if test "$have_vorbis" = "yes"; then
        AC_DEFINE(HAVE_OGGVORBIS, 1, define to 1 to turn on ogg/vorbis support)
-       filters="$filters oggdec"
-       vorbis_libs="-lvorbis -lvorbisfile"
-       server_ldflags="$server_ldflags $vorbis_libs"
-       filter_ldflags="$filter_ldflags $vorbis_libs"
-       audiod_ldflags="$audiod_ldflags $vorbis_libs"
-       play_ldflags="$play_ldflags $vorbis_libs"
-       afh_ldflags="$afh_ldflags $vorbis_libs"
-       recv_ldflags="$recv_ldflags $vorbis_libs"
-
-       server_errlist_objs="$server_errlist_objs ogg_afh"
-       filter_errlist_objs="$filter_errlist_objs oggdec_filter"
-       audiod_errlist_objs="$audiod_errlist_objs oggdec_filter"
-       play_errlist_objs="$play_errlist_objs oggdec_filter ogg_afh"
-       afh_errlist_objs="$afh_errlist_objs ogg_afh"
-       recv_errlist_objs="$recv_errlist_objs ogg_afh"
-
-       audiod_audio_formats="$audiod_audio_formats ogg"
-       audio_format_handlers="$audio_format_handlers ogg"
-else
-       AC_MSG_WARN([no ogg/vorbis $msg])
+       AC_SUBST(vorbis_cppflags)
+       vorbis_ldflags="$vorbis_libs -lvorbis -lvorbisfile"
+       AC_SUBST(vorbis_ldflags)
 fi
 if test "$have_speex" = "yes"; then
        AC_DEFINE(HAVE_SPEEX, 1, define to 1 to turn on ogg/speex support)
-       filters="$filters spxdec"
-       speex_libs="-lspeex"
-       server_ldflags="$server_ldflags $speex_libs"
-       filter_ldflags="$filter_ldflags $speex_libs"
-       audiod_ldflags="$audiod_ldflags $speex_libs"
-       play_ldflags="$play_ldflags $speex_libs"
-       afh_ldflags="$afh_ldflags $speex_libs"
-       recv_ldflags="$recv_ldflags $speex_libs"
-
-       server_errlist_objs="$server_errlist_objs spx_afh spx_common"
-       filter_errlist_objs="$filter_errlist_objs spxdec_filter spx_common"
-       audiod_errlist_objs="$audiod_errlist_objs spxdec_filter spx_common"
-       play_errlist_objs="$play_errlist_objs spxdec_filter spx_afh spx_common"
-       afh_errlist_objs="$afh_errlist_objs spx_afh spx_common"
-       recv_errlist_objs="$recv_errlist_objs spx_afh spx_common"
-
-       audiod_audio_formats="$audiod_audio_formats spx"
-       audio_format_handlers="$audio_format_handlers spx"
+       AC_SUBST(speex_cppflags)
+       speex_ldflags="$speex_libs -lspeex"
+       AC_SUBST(speex_ldflags)
 else
        AC_MSG_WARN([no ogg/speex $msg])
 fi
 if test "$have_opus" = "yes"; then
        AC_DEFINE(HAVE_OPUS, 1, define to 1 to turn on ogg/opus support)
-       filters="$filters opusdec"
-       opus_libs="-lopus"
-       server_ldflags="$server_ldflags $opus_libs"
-       filter_ldflags="$filter_ldflags $opus_libs"
-       audiod_ldflags="$audiod_ldflags $opus_libs"
-       afh_ldflags="$afh_ldflags $opus_libs"
-       play_ldflags="$play_ldflags $opus_libs"
-       recv_ldflags="$recv_ldflags $opus_libs"
-
-       server_errlist_objs="$server_errlist_objs opus_afh opus_common"
-       filter_errlist_objs="$filter_errlist_objs opusdec_filter opus_common"
-       audiod_errlist_objs="$audiod_errlist_objs opusdec_filter opus_common"
-       afh_errlist_objs="$afh_errlist_objs opus_afh opus_common"
-       play_errlist_objs="$play_errlist_objs opusdec_filter opus_afh opus_common"
-       recv_errlist_objs="$recv_errlist_objs opus_afh opus_common"
-
-       audiod_audio_formats="$audiod_audio_formats opus"
+       AC_SUBST(opus_cppflags)
+       opus_ldflags="$opus_libs -lopus"
+       AC_SUBST(opus_ldflags)
        audio_format_handlers="$audio_format_handlers opus"
 else
        AC_MSG_WARN([no ogg/opus $msg])
 fi
-CPPFLAGS="$OLD_CPPFLAGS"
-LDFLAGS="$OLD_LDFLAGS"
-LIBS="$OLD_LIBS"
 ########################################################################### faad
 have_faad=yes
 OLD_CPPFLAGS="$CPPFLAGS"
@@ -639,26 +503,9 @@ AC_CHECK_HEADER(neaacdec.h, [], have_faad=no)
 AC_CHECK_LIB([faad], [NeAACDecOpen], [], have_faad=no)
 if test "$have_faad" = "yes"; then
        AC_DEFINE(HAVE_FAAD, 1, define to 1 if you want to build the aacdec filter)
-       filter_errlist_objs="$filter_errlist_objs aacdec_filter aac_common"
-       afh_errlist_objs="$afh_errlist_objs aac_common aac_afh"
-       audiod_errlist_objs="$audiod_errlist_objs aacdec_filter aac_common"
-       play_errlist_objs="$play_errlist_objs aacdec_filter aac_afh aac_common"
-       server_errlist_objs="$server_errlist_objs aac_afh aac_common"
-       recv_errlist_objs="$recv_errlist_objs aac_afh aac_common"
-
-       server_ldflags="$server_ldflags $faad_libs -lfaad"
-       filter_ldflags="$filter_ldflags $faad_libs -lfaad"
-       audiod_ldflags="$audiod_ldflags $faad_libs -lfaad"
-       play_ldflags="$play_ldflags $faad_libs -lfaad"
-       afh_ldflags="$afh_ldflags $faad_libs -lfaad"
-       recv_ldflags="$afh_ldflags $faad_libs -lfaad"
-
-       audiod_audio_formats="$audiod_audio_formats aac"
-       audio_format_handlers="$audio_format_handlers aac"
-       filters="$filters aacdec"
        AC_SUBST(faad_cppflags)
-else
-       AC_MSG_WARN([no aac support in para_audiod/para_filter])
+       faad_ldflags="$faad_libs -lfaad"
+       AC_SUBST(faad_ldflags)
 fi
 CPPFLAGS="$OLD_CPPFLAGS"
 LDFLAGS="$OLD_LDFLAGS"
@@ -689,18 +536,9 @@ AC_CHECK_LIB([mad], [mad_stream_init], [], [
 ])
 if test "$have_mad" = "yes"; then
        AC_DEFINE(HAVE_MAD, 1, define to 1 if you want to build the mp3dec filter)
-       filter_cmdline_objs="$filter_cmdline_objs add_cmdline(mp3dec_filter)"
-       audiod_cmdline_objs="$audiod_cmdline_objs add_cmdline(mp3dec_filter)"
-       play_cmdline_objs="$play_cmdline_objs add_cmdline(mp3dec_filter)"
-       filter_errlist_objs="$filter_errlist_objs mp3dec_filter"
-       audiod_errlist_objs="$audiod_errlist_objs mp3dec_filter"
-       play_errlist_objs="$play_errlist_objs mp3dec_filter"
-       filter_ldflags="$filter_ldflags $mad_libs -lmad"
-       audiod_ldflags="$audiod_ldflags $mad_libs -lmad"
-       play_ldflags="$play_ldflags $mad_libs -lmad"
-       audiod_audio_formats="$audiod_audio_formats mp3"
-       filters="$filters mp3dec"
        AC_SUBST(mad_cppflags)
+       mad_ldflags="$mad_libs -lmad"
+       AC_SUBST(mad_ldflags)
 else
        AC_MSG_WARN([no mp3dec support in para_audiod/para_filter])
 fi
@@ -736,14 +574,8 @@ AC_MSG_RESULT($have_libid3tag)
 
 if test ${have_libid3tag} = yes; then
        AC_DEFINE(HAVE_LIBID3TAG, 1, define to 1 you have libid3tag)
-       server_ldflags="$server_ldflags $id3tag_libs -lid3tag -lz"
-       afh_ldflags="$afh_ldflags $id3tag_libs -lid3tag -lz"
-       play_ldflags="$play_ldflags -lz"
-       recv_ldflags="$recv_ldflags $id3tag_libs -lid3tag"
-       play_ldflags="$play_ldflags $id3tag_libs -lid3tag"
        AC_SUBST(id3tag_cppflags)
-else
-       AC_MSG_WARN([no support for id3v2 tags])
+       AC_SUBST(id3tag_ldflags, "$id3tag_libs -lid3tag -lz")
 fi
 CPPFLAGS="$OLD_CPPFLAGS"
 LDFLAGS="$OLD_LDFLAGS"
@@ -767,25 +599,16 @@ if test -n "$with_flac_libs"; then
        LDFLAGS="$LDFLAGS $flac_libs"
 fi
 AC_CHECK_HEADER(FLAC/stream_decoder.h, [], have_flac=no)
-AC_CHECK_LIB([FLAC], [FLAC__stream_decoder_init_file], [], have_flac=no, -logg -lm)
+AC_CHECK_LIB([FLAC], [FLAC__stream_decoder_init_file], [], [
+       # nope, try again with -logg
+       AC_CHECK_LIB([FLAC], [FLAC__stream_decoder_init_file], [],
+               have_flac=no, -lm -logg)
+       ], -lm)
 if test "$have_flac" = "yes"; then
        AC_DEFINE(HAVE_FLAC, 1, define to 1 if you want to build the flacdec filter)
-       filter_errlist_objs="$filter_errlist_objs flacdec_filter"
-       audiod_errlist_objs="$audiod_errlist_objs flacdec_filter"
-       play_errlist_objs="$play_errlist_objs flacdec_filter flac_afh"
-       afh_errlist_objs="$afh_errlist_objs flac_afh"
-       server_errlist_objs="$server_errlist_objs flac_afh"
-       recv_errlist_objs="$recv_errlist_objs flac_afh"
-       filter_ldflags="$filter_ldflags $flac_libs -lFLAC"
-       audiod_ldflags="$audiod_ldflags $flac_libs -lFLAC"
-       play_ldflags="$play_ldflags $flac_libs -lFLAC"
-       server_ldflags="$server_ldflags $flac_libs -lFLAC"
-       afh_ldflags="$afh_ldflags $flac_libs -lFLAC"
-       recv_ldflags="$recv_ldflags $flac_libs -lFLAC"
-       filters="$filters flacdec"
-       audio_format_handlers="$audio_format_handlers flac"
-       audiod_audio_formats="$audiod_audio_formats flac"
        AC_SUBST(flac_cppflags)
+       flac_ldflags="$flac_libs -lFLAC"
+       AC_SUBST(flac_ldflags)
 else
        AC_MSG_WARN([no flac support in para_audiod/para_filter/para_afh/para_server])
 fi
@@ -801,25 +624,9 @@ have_oss="yes"
 msg="=> will not build oss writer"
 
 AC_CHECK_HEADER(sys/soundcard.h, [
-       audiod_errlist_objs="$audiod_errlist_objs oss_write"
-       play_errlist_objs="$play_errlist_objs oss_write"
-       audiod_cmdline_objs="$audiod_cmdline_objs add_cmdline(oss_write)"
-       play_cmdline_objs="$play_cmdline_objs add_cmdline(oss_write)"
-
-       write_errlist_objs="$write_errlist_objs oss_write"
-       write_cmdline_objs="$write_cmdline_objs add_cmdline(oss_write)"
-       fade_errlist_objs="$fade_errlist_objs oss_mix"
-
-       writers="$writers oss"
-       default_writer="OSS_WRITE"
-       mixers="${mixers}oss "
-       default_mixer="OSS_MIX"
-
        AC_CHECK_LIB(ossaudio, _oss_ioctl, [
-                       audiod_ldflags="$audiod_ldflags -lossaudio"
-                       play_ldflags="$play_ldflags -lossaudio"
-                       write_ldflags="$write_ldflags -lossaudio"
-                       fade_ldflags="$fade_ldflags -lossaudio"
+                       oss_ldflags="-lossaudio"
+                       AC_SUBST(oss_ldflags)
                ]
        )
        ],
@@ -858,66 +665,13 @@ if test "$have_alsa" = "yes"; then
 fi
 
 if test "$have_alsa" = "yes"; then
-       audiod_errlist_objs="$audiod_errlist_objs alsa_write"
-       audiod_cmdline_objs="$audiod_cmdline_objs add_cmdline(alsa_write)"
-       audiod_ldflags="$audiod_ldflags -lasound"
-       play_errlist_objs="$play_errlist_objs alsa_write"
-       play_cmdline_objs="$play_cmdline_objs add_cmdline(alsa_write)"
-       play_ldflags="$play_ldflags -lasound"
-
-       write_errlist_objs="$write_errlist_objs alsa_write"
-       write_cmdline_objs="$write_cmdline_objs add_cmdline(alsa_write)"
-       write_ldflags="$write_ldflags -lasound"
-       fade_errlist_objs="$fade_errlist_objs alsa_mix"
-       fade_ldflags="$fade_ldflags -lasound"
-
-       writers="$writers alsa"
-       default_writer="ALSA_WRITE"
-       mixers="${mixers}alsa "
-       default_mixer="ALSA_MIX"
+       alsa_ldflags="-lasound"
+       AC_SUBST(alsa_ldflags)
 fi
 
 CPPFLAGS="$OLD_CPPFLAGS"
 LDFLAGS="$OLD_LDFLAGS"
 LIBS="$OLD_LIBS"
-########################################################################### fade
-if test -n "$mixers"; then
-       build_fade="yes"
-       executables="$executables fade"
-       fade_errlist_objs="$fade_errlist_objs fade exec string fd version ggo"
-       fade_cmdline_objs="add_cmdline(fade)"
-       fade_objs="$fade_cmdline_objs $fade_errlist_objs"
-       AC_SUBST(fade_objs, add_dot_o($fade_objs))
-       AC_SUBST(fade_ldflags, $fade_ldflags)
-       AC_DEFINE_UNQUOTED(INIT_FADE_ERRLISTS,
-               objlist_to_errlist($fade_errlist_objs),
-               errors used by para_fade)
-       enum="$(
-               for i in $mixers; do
-                       printf "${i}_MIX, " | tr '[a-z]' '[A-Z]'
-               done
-       )"
-       AC_DEFINE_UNQUOTED(MIXER_ENUM, $enum NUM_SUPPORTED_MIXERS,
-               enum of supported mixers)
-       AC_DEFINE_UNQUOTED(DEFAULT_MIXER, $default_mixer,
-               use this mixer if none was specified)
-       names="$(for i in $mixers; do printf \"$i\",' ' ; done)"
-       AC_DEFINE_UNQUOTED(MIXER_NAMES, $names, supported mixer names)
-       inits="$(
-               for i in $mixers; do
-                       printf 'extern void '$i'_mix_init(struct mixer *); '
-               done
-       )"
-       AC_DEFINE_UNQUOTED(DECLARE_MIXER_INITS, $inits,
-               init functions of the supported mixers)
-       array="$(for i in $mixers; do printf '{.init = '$i'_mix_init},'; done)"
-       AC_DEFINE_UNQUOTED(MIXER_ARRAY, $array, array of supported mixers)
-       mixer_summary="supported mixers:: $mixers, default: $default_mixer"
-else
-       build_fade="no"
-       AC_MSG_WARN([no mixer support])
-       mixer_summary="para_fade: no"
-fi
 ########################################################################### libao
 OLD_CPPFLAGS="$CPPFLAGS"
 OLD_LDFLAGS="$LDFLAGS"
@@ -962,19 +716,9 @@ if test "$have_ao" = "yes"; then
        ])
 fi
 if test "$have_ao" = "yes"; then
-       audiod_errlist_objs="$audiod_errlist_objs ao_write"
-       audiod_cmdline_objs="$audiod_cmdline_objs add_cmdline(ao_write)"
-       audiod_ldflags="$audiod_ldflags -lao -lpthread"
-
-       play_errlist_objs="$play_errlist_objs ao_write"
-       play_cmdline_objs="$play_cmdline_objs add_cmdline(ao_write)"
-       play_ldflags="$play_ldflags -lao -lpthread"
-
-       write_errlist_objs="$write_errlist_objs ao_write"
-       write_cmdline_objs="$write_cmdline_objs add_cmdline(ao_write)"
-       write_ldflags="$write_ldflags $ao_libs -lao -lpthread"
-       writers="$writers ao"
        AC_SUBST(ao_cppflags)
+       ao_ldflags="$ao_libs -lao -lpthread"
+       AC_SUBST(ao_ldflags)
 fi
 
 CPPFLAGS="$OLD_CPPFLAGS"
@@ -1006,22 +750,18 @@ AC_CHECK_HEADERS([readline/readline.h], [
        AC_MSG_WARN([readline/readline.h not found, $msg])
 ])
 
-if test "$have_curses" != "yes"; then
-       have_readline="no"
-       AC_MSG_WARN([interactive cli support depends on curses,])
-       AC_MSG_WARN([but no curses lib was detected, $msg])
-fi
-
 if test "$have_readline" = "yes"; then
-       readline_libs="$readline_libs -lreadline"
-       AC_SEARCH_LIBS([rl_free_keymap], [readline], [], [have_readline="no"])
+       readline_ldflags="$readline_libs"
+       AC_SEARCH_LIBS([rl_free_keymap], [readline], [
+               readline_ldflags="$readline_ldflags -lreadline"
+       ], [have_readline="no"])
        if test "$have_readline" = "no"; then # try with -lcurses
                 # clear cache
                AC_MSG_NOTICE([trying again with -lcurses])
                 unset ac_cv_search_rl_free_keymap 2> /dev/null
                AC_SEARCH_LIBS([rl_free_keymap], [readline], [
                        have_readline=yes
-                       readline_libs="$readline_libs -lcurses"
+                       readline_ldflags="$readline_ldflags -lreadline -lcurses"
                ], [], [-lcurses])
        fi
        if test "$have_readline" = "no"; then # try with -ltermcap
@@ -1030,19 +770,23 @@ if test "$have_readline" = "yes"; then
                 unset ac_cv_search_rl_free_keymap 2> /dev/null
                AC_SEARCH_LIBS([rl_free_keymap], [readline], [
                        have_readline=yes
-                       readline_libs="$readline_libs -ltermcap"
+                       readline_ldflags="$readline_ldflags -lreadline -ltermcap"
                ], [], [-ltermcap])
        fi
 fi
 
 if test "$have_readline" = "yes"; then
-       client_errlist_objs="$client_errlist_objs interactive"
-       client_ldflags="$client_ldflags $readline_libs"
-       audioc_errlist_objs="$audioc_errlist_objs buffer_tree interactive sched time"
-       audioc_ldflags="$audioc_ldflags $readline_libs"
-       play_errlist_objs="$play_errlist_objs interactive"
-       play_ldflags="$play_ldflags $readline_libs"
+       AC_CHECK_DECL(
+               [rl_free_keymap],
+               [AC_DEFINE(RL_FREE_KEYMAP_DECLARED, 1, readline >= 6.3)],
+               [],
+               [
+                       #include <stdio.h>
+                       #include <readline/readline.h>
+               ]
+       )
        AC_SUBST(readline_cppflags)
+       AC_SUBST(readline_ldflags)
        AC_DEFINE(HAVE_READLINE, 1, define to 1 to turn on readline support)
 else
        AC_MSG_WARN([libreadline not found or unusable])
@@ -1073,17 +817,9 @@ AC_CHECK_HEADER(samplerate.h, [], have_samplerate=no)
 AC_CHECK_LIB([samplerate], [src_process], [], have_samplerate=no, [])
 
 if test "$have_samplerate" = "yes"; then
-       filter_errlist_objs="$filter_errlist_objs resample_filter check_wav"
-       filter_cmdline_objs="$filter_cmdline_objs add_cmdline(resample_filter)"
-       audiod_errlist_objs="$audiod_errlist_objs resample_filter check_wav"
-       audiod_cmdline_objs="$audiod_cmdline_objs add_cmdline(resample_filter)"
-       play_errlist_objs="$play_errlist_objs resample_filter check_wav"
-       play_cmdline_objs="$play_cmdline_objs add_cmdline(resample_filter)"
-       filter_ldflags="$filter_ldflags $samplerate_libs -lsamplerate"
-       audiod_ldflags="$audiod_ldflags $samplerate_libs -lsamplerate"
-       play_ldflags="$play_ldflags $samplerate_libs -lsamplerate"
-       filters="$filters resample"
        AC_SUBST(samplerate_cppflags)
+       samplerate_ldflags="$samplerate_libs -lsamplerate"
+       AC_SUBST(samplerate_ldflags)
 else
        AC_MSG_WARN([no resample support in para_audiod/para_filter])
 fi
@@ -1096,8 +832,8 @@ if test \( "$have_openssl" = "yes" -o "$have_gcrypt" = "yes" \) \
 
        build_server="yes"
        executables="$executables server"
-       server_cmdline_objs="add_cmdline(server)"
-       server_errlist_objs="$server_errlist_objs
+       server_cmdline_objs="server"
+       server_errlist_objs="
                server
                afh_common
                mp3_afh
@@ -1136,7 +872,36 @@ if test \( "$have_openssl" = "yes" -o "$have_gcrypt" = "yes" \) \
                version
                ggo
        "
-       server_ldflags="$server_ldflags $osl_libs -losl"
+       if test "$have_openssl" = "yes"; then
+               server_errlist_objs="$server_errlist_objs crypt"
+       fi
+       if test "$have_gcrypt" = "yes"; then
+               server_errlist_objs="$server_errlist_objs gcrypt"
+       fi
+       if test "$have_vorbis" = "yes" || \
+                       test "$have_speex" = "yes" || \
+                       test "$have_opus" = "yes"; then
+               server_errlist_objs="$server_errlist_objs ogg_afh_common"
+       fi
+       if test "$have_vorbis" = "yes"; then
+               server_errlist_objs="$server_errlist_objs ogg_afh"
+       fi
+       if test "$have_speex" = "yes"; then
+               server_errlist_objs="$server_errlist_objs spx_afh spx_common"
+       fi
+       if test "$have_opus" = "yes"; then
+               server_errlist_objs="$server_errlist_objs opus_afh opus_common"
+       fi
+       if test "$have_faad" = "yes"; then
+               server_errlist_objs="$server_errlist_objs aac_afh aac_common"
+       fi
+       if test "$have_flac" = "yes"; then
+               server_errlist_objs="$server_errlist_objs flac_afh"
+       fi
+       server_objs="add_cmdline($server_cmdline_objs) $server_errlist_objs"
+       AC_SUBST(server_objs, add_dot_o($server_objs))
+       AC_DEFINE_UNQUOTED(INIT_SERVER_ERRLISTS,
+               objlist_to_errlist($server_errlist_objs), errors used by para_server)
 else
        build_server="no"
 fi
@@ -1144,8 +909,8 @@ fi
 if test "$have_openssl" = "yes" -o "$have_gcrypt" = "yes"; then
        build_client="yes"
        executables="$executables client"
-       client_cmdline_objs="add_cmdline(client)"
-       client_errlist_objs="$client_errlist_objs
+       client_cmdline_objs="client"
+       client_errlist_objs="
                client
                net
                string
@@ -1161,6 +926,19 @@ if test "$have_openssl" = "yes" -o "$have_gcrypt" = "yes"; then
                version
                ggo
        "
+       if test "$have_openssl" = "yes"; then
+               client_errlist_objs="$client_errlist_objs crypt"
+       fi
+       if test "$have_gcrypt" = "yes"; then
+               client_errlist_objs="$client_errlist_objs gcrypt"
+       fi
+       if test "$have_readline" = "yes"; then
+               client_errlist_objs="$client_errlist_objs interactive"
+       fi
+       client_objs="add_cmdline($client_cmdline_objs) $client_errlist_objs"
+       AC_SUBST(client_objs, add_dot_o($client_objs))
+       AC_DEFINE_UNQUOTED(INIT_CLIENT_ERRLISTS,
+               objlist_to_errlist($client_errlist_objs), errors used by para_client)
 else
        build_client="no"
 fi
@@ -1168,8 +946,19 @@ fi
 if test "$have_openssl" = "yes" -o "$have_gcrypt" = "yes"; then
        build_audiod="yes"
        executables="$executables audiod"
+       audiod_audio_formats="wma"
        audiod_cmdline_objs="$audiod_cmdline_objs
-               add_cmdline(audiod compress_filter http_recv dccp_recv file_write client amp_filter udp_recv prebuffer_filter)"
+               audiod
+               compress_filter
+               http_recv
+               dccp_recv
+               file_write
+               client
+               amp_filter
+               udp_recv
+               prebuffer_filter
+               sync_filter
+       "
        audiod_errlist_objs="$audiod_errlist_objs
                audiod
                signal
@@ -1206,48 +995,552 @@ if test "$have_openssl" = "yes" -o "$have_gcrypt" = "yes"; then
                wma_common
                wmadec_filter
                buffer_tree
+               sync_filter
        "
-       audiod_ldflags="$audiod_ldflags -lm"
-       audiod_audio_formats="$audiod_audio_formats wma"
+       if test "$have_openssl" = "yes"; then
+               audiod_errlist_objs="$audiod_errlist_objs crypt"
+       fi
+       if test "$have_gcrypt" = "yes"; then
+               audiod_errlist_objs="$audiod_errlist_objs gcrypt"
+       fi
+       if test "$have_core_audio" = "yes"; then
+               audiod_errlist_objs="$audiod_errlist_objs osx_write ipc"
+               audiod_cmdline_objs="$audiod_cmdline_objs osx_write"
+       fi
+       if test "$have_vorbis" = "yes"; then
+               audiod_errlist_objs="$audiod_errlist_objs oggdec_filter"
+               audiod_audio_formats="$audiod_audio_formats ogg"
+       fi
+       if test "$have_speex" = "yes"; then
+               audiod_errlist_objs="$audiod_errlist_objs spxdec_filter spx_common"
+               audiod_audio_formats="$audiod_audio_formats spx"
+       fi
+       if test "$have_opus" = "yes"; then
+               audiod_errlist_objs="$audiod_errlist_objs opusdec_filter opus_common"
+               audiod_audio_formats="$audiod_audio_formats opus"
+       fi
+       if test "$have_faad" = "yes"; then
+               audiod_errlist_objs="$audiod_errlist_objs aacdec_filter aac_common"
+               audiod_audio_formats="$audiod_audio_formats aac"
+       fi
+       if test "$have_mad" = "yes"; then
+               audiod_audio_formats="$audiod_audio_formats mp3"
+               audiod_cmdline_objs="$audiod_cmdline_objs mp3dec_filter"
+               audiod_errlist_objs="$audiod_errlist_objs mp3dec_filter"
+       fi
+       if test "$have_flac" = "yes"; then
+               audiod_errlist_objs="$audiod_errlist_objs flacdec_filter"
+               audiod_audio_formats="$audiod_audio_formats flac"
+       fi
+       if test "$have_oss" = "yes"; then
+               audiod_errlist_objs="$audiod_errlist_objs oss_write"
+               audiod_cmdline_objs="$audiod_cmdline_objs oss_write"
+       fi
+       if test "$have_alsa" = "yes"; then
+               audiod_errlist_objs="$audiod_errlist_objs alsa_write"
+               audiod_cmdline_objs="$audiod_cmdline_objs alsa_write"
+       fi
+       if test "$have_ao" = "yes"; then
+               audiod_errlist_objs="$audiod_errlist_objs ao_write"
+               audiod_cmdline_objs="$audiod_cmdline_objs ao_write"
+       fi
+       if test "$have_samplerate" = "yes"; then
+               audiod_errlist_objs="$audiod_errlist_objs resample_filter check_wav"
+               audiod_cmdline_objs="$audiod_cmdline_objs resample_filter"
+       fi
+       audiod_objs="add_cmdline($audiod_cmdline_objs) $audiod_errlist_objs"
+       AC_SUBST(audiod_objs, add_dot_o($audiod_objs))
+       AC_DEFINE_UNQUOTED(INIT_AUDIOD_ERRLISTS, objlist_to_errlist($audiod_errlist_objs),
+               errors used by para_audiod)
+
+       enum="$(for i in $audiod_audio_formats; do printf "AUDIO_FORMAT_${i}, " | tr '[a-z]' '[A-Z]'; done)"
+       AC_DEFINE_UNQUOTED(AUDIOD_AUDIO_FORMATS_ENUM, $enum NUM_AUDIO_FORMATS,
+               enum of audio formats supported by audiod)
+       names="$(for i in $audiod_audio_formats; do printf \"$i\",' ' ; done)"
+       AC_DEFINE_UNQUOTED(AUDIOD_AUDIO_FORMAT_ARRAY, $names, array of audio formats supported by audiod)
 else
        build_audiod="no"
 fi
-############################################################# error2.h
-AC_MSG_NOTICE(creating error2.h)
-
-# these are always built
-all_errlist_objs="
-       $recv_errlist_objs
-       $filter_errlist_objs
-       $audioc_errlist_objs
-       $write_errlist_objs
-       $afh_errlist_objs
-       $play_errlist_objs
-"
-
-# optional executables
-if test "$build_server" = "yes"; then
-       all_errlist_objs="$all_errlist_objs $server_errlist_objs"
-fi
-if test "$build_gui" = "yes"; then
-       all_errlist_objs="$all_errlist_objs $gui_errlist_objs"
-fi
-if test "$build_fade" = "yes"; then
-       all_errlist_objs="$all_errlist_objs $fade_errlist_objs"
-fi
-if test "$build_client" = "yes"; then
-       all_errlist_objs="$all_errlist_objs $client_errlist_objs"
-fi
-if test "$build_audiod" = "yes"; then
+########################################################################### fade
+if test "$have_oss" = "yes" -o "$have_alsa" = "yes"; then
+       build_fade="yes"
+       executables="$executables fade"
+       fade_cmdline_objs="fade"
+       fade_errlist_objs="fade exec string fd version ggo"
+       if test "$have_oss" = "yes"; then
+               fade_errlist_objs="$fade_errlist_objs oss_mix"
+               mixers="${mixers}oss "
+               default_mixer="OSS_MIX"
+       fi
+       if test "$have_alsa" = "yes"; then
+               fade_errlist_objs="$fade_errlist_objs alsa_mix"
+               mixers="${mixers}alsa "
+               default_mixer="ALSA_MIX"
+       fi
+       fade_objs="add_cmdline($fade_cmdline_objs) $fade_errlist_objs"
+       AC_SUBST(fade_objs, add_dot_o($fade_objs))
+       AC_DEFINE_UNQUOTED(INIT_FADE_ERRLISTS,
+               objlist_to_errlist($fade_errlist_objs),
+               errors used by para_fade)
+       enum="$(
+               for i in $mixers; do
+                       printf "${i}_MIX, " | tr '[a-z]' '[A-Z]'
+               done
+       )"
+       AC_DEFINE_UNQUOTED(MIXER_ENUM, $enum NUM_SUPPORTED_MIXERS,
+               enum of supported mixers)
+       AC_DEFINE_UNQUOTED(DEFAULT_MIXER, $default_mixer,
+               use this mixer if none was specified)
+       names="$(for i in $mixers; do printf \"$i\",' ' ; done)"
+       AC_DEFINE_UNQUOTED(MIXER_NAMES, $names, supported mixer names)
+       inits="$(
+               for i in $mixers; do
+                       printf 'extern void '$i'_mix_init(struct mixer *); '
+               done
+       )"
+       AC_DEFINE_UNQUOTED(DECLARE_MIXER_INITS, $inits,
+               init functions of the supported mixers)
+       array="$(for i in $mixers; do printf '{.init = '$i'_mix_init},'; done)"
+       AC_DEFINE_UNQUOTED(MIXER_ARRAY, $array, array of supported mixers)
+else
+       build_fade="no"
+       AC_MSG_WARN([no mixer support])
+fi
+########################################################################### gui
+if test "$have_curses" = "yes"; then
+       build_gui="yes"
+       executables="$executables gui"
+       gui_cmdline_objs="gui"
+       gui_errlist_objs="
+               exec
+               signal
+               string
+               stat
+               ringbuffer
+               fd
+               gui
+               gui_theme
+               time
+               sched
+               version
+               ggo
+       "
+       gui_objs="add_cmdline($gui_cmdline_objs) $gui_errlist_objs"
+       AC_SUBST(gui_objs, add_dot_o($gui_objs))
+       AC_DEFINE_UNQUOTED(INIT_GUI_ERRLISTS,
+               objlist_to_errlist($gui_errlist_objs), errors used by para_gui)
+else
+       build_gui="no"
+       AC_MSG_WARN([no curses lib, cannot build para_gui])
+fi
+######################################################################## filter
+filters="
+       compress
+       wav
+       amp
+       fecdec
+       wmadec
+       prebuffer
+       sync
+"
+filter_errlist_objs="
+       filter_common
+       wav_filter
+       compress_filter
+       filter
+       string
+       stdin
+       stdout
+       sched
+       fd
+       amp_filter
+       ggo
+       fecdec_filter
+       fec
+       version
+       prebuffer_filter
+       time
+       bitstream
+       imdct
+       wma_common
+       wmadec_filter
+       buffer_tree
+       net
+       sync_filter
+"
+filter_cmdline_objs="
+       filter
+       compress_filter
+       amp_filter
+       prebuffer_filter
+       sync_filter
+"
+
+if test "$have_vorbis" = "yes"; then
+       filters="$filters oggdec"
+       filter_errlist_objs="$filter_errlist_objs oggdec_filter"
+fi
+if test "$have_speex" = "yes"; then
+       filters="$filters spxdec"
+       filter_errlist_objs="$filter_errlist_objs spxdec_filter spx_common"
+fi
+if test "$have_opus" = "yes"; then
+       filters="$filters opusdec"
+       filter_errlist_objs="$filter_errlist_objs opusdec_filter opus_common"
+fi
+if test "$have_faad" = "yes"; then
+       filter_errlist_objs="$filter_errlist_objs aacdec_filter aac_common"
+       filters="$filters aacdec"
+fi
+if test "$have_mad" = "yes"; then
+       filter_cmdline_objs="$filter_cmdline_objs mp3dec_filter"
+       filter_errlist_objs="$filter_errlist_objs mp3dec_filter"
+       filters="$filters mp3dec"
+fi
+if test "$have_flac" = "yes"; then
+       filter_errlist_objs="$filter_errlist_objs flacdec_filter"
+       filters="$filters flacdec"
+fi
+if test "$have_samplerate" = "yes"; then
+       filter_errlist_objs="$filter_errlist_objs resample_filter check_wav"
+       filter_cmdline_objs="$filter_cmdline_objs resample_filter"
+       filters="$filters resample"
+fi
+filters="$(echo $filters)"
+AC_SUBST(filters)
+filter_objs="add_cmdline($filter_cmdline_objs) $filter_errlist_objs"
+
+AC_SUBST(filter_objs, add_dot_o($filter_objs))
+AC_DEFINE_UNQUOTED(INIT_FILTER_ERRLISTS,
+       objlist_to_errlist($filter_errlist_objs), errors used by para_filter)
+
+enum="$(for i in $filters; do printf "${i}_FILTER, " | tr '[a-z]' '[A-Z]'; done)"
+AC_DEFINE_UNQUOTED(FILTER_ENUM, $enum NUM_SUPPORTED_FILTERS,
+       enum of supported filters)
+inits="$(for i in $filters; do printf 'extern void '$i'_filter_init(struct filter *f); '; done)"
+AC_DEFINE_UNQUOTED(DECLARE_FILTER_INITS, $inits, init functions of the supported filters)
+array="$(for i in $filters; do printf '{.name = "'$i'", .init = '$i'_filter_init},'; done)"
+AC_DEFINE_UNQUOTED(FILTER_ARRAY, $array, array of supported filters)
+########################################################################## recv
+recv_cmdline_objs="
+       recv
+       http_recv
+       dccp_recv
+       udp_recv
+       afh_recv
+"
+
+recv_errlist_objs="
+       http_recv
+       recv_common
+       recv
+       time
+       string
+       net
+       dccp_recv
+       fd
+       sched
+       stdout
+       ggo
+       udp_recv
+       buffer_tree
+       afh_recv
+       afh_common
+       wma_afh
+       wma_common
+       mp3_afh
+       version
+"
+if test "$have_vorbis" = "yes" || \
+               test "$have_speex" = "yes" || \
+               test "$have_opus" = "yes"; then
+       recv_errlist_objs="$recv_errlist_objs ogg_afh_common"
+fi
+if test "$have_vorbis" = "yes"; then
+       recv_errlist_objs="$recv_errlist_objs ogg_afh"
+fi
+if test "$have_speex" = "yes"; then
+       recv_errlist_objs="$recv_errlist_objs spx_afh spx_common"
+fi
+if test "$have_opus" = "yes"; then
+       recv_errlist_objs="$recv_errlist_objs opus_afh opus_common"
+fi
+if test "$have_faad" = "yes"; then
+       recv_errlist_objs="$recv_errlist_objs aac_afh aac_common"
+fi
+if test "$have_flac" = "yes"; then
+       recv_errlist_objs="$recv_errlist_objs flac_afh"
+fi
+recv_objs="add_cmdline($recv_cmdline_objs) $recv_errlist_objs"
+AC_SUBST(receivers, "http dccp udp afh")
+AC_SUBST(recv_objs, add_dot_o($recv_objs))
+AC_DEFINE_UNQUOTED(INIT_RECV_ERRLISTS, objlist_to_errlist($recv_errlist_objs),
+       errors used by para_recv)
+########################################################################### afh
+audio_format_handlers="mp3 wma"
+afh_cmdline_objs="afh"
+afh_errlist_objs="
+       afh
+       string
+       fd
+       mp3_afh
+       afh_common
+       time
+       wma_afh
+       wma_common
+       version
+       ggo
+"
+if test "$have_vorbis" = "yes" || \
+               test "$have_speex" = "yes" || \
+               test "$have_opus" = "yes"; then
+       afh_errlist_objs="$afh_errlist_objs ogg_afh_common"
+fi
+if test "$have_vorbis" = "yes"; then
+       afh_errlist_objs="$afh_errlist_objs ogg_afh"
+       audio_format_handlers="$audio_format_handlers ogg"
+fi
+if test "$have_speex" = "yes"; then
+       afh_errlist_objs="$afh_errlist_objs spx_afh spx_common"
+       audio_format_handlers="$audio_format_handlers spx"
+fi
+if test "$have_opus" = "yes"; then
+       afh_errlist_objs="$afh_errlist_objs opus_afh opus_common"
+       audio_format_handlers="$audio_format_handlers opus"
+fi
+if test "$have_faad" = "yes"; then
+       afh_errlist_objs="$afh_errlist_objs aac_common aac_afh"
+       audio_format_handlers="$audio_format_handlers aac"
+fi
+if test "$have_flac" = "yes"; then
+       afh_errlist_objs="$afh_errlist_objs flac_afh"
+       audio_format_handlers="$audio_format_handlers flac"
+fi
+
+afh_objs="add_cmdline($afh_cmdline_objs) $afh_errlist_objs"
+
+AC_SUBST(afh_objs, add_dot_o($afh_objs))
+AC_DEFINE_UNQUOTED(INIT_AFH_ERRLISTS,
+       objlist_to_errlist($afh_errlist_objs), errors used by para_afh)
+########################################################################## play
+play_errlist_objs="
+       play
+       fd
+       sched
+       ggo
+       buffer_tree
+       time
+       string
+       net
+       afh_recv
+       afh_common
+       wma_afh
+       wma_common
+       mp3_afh
+       recv_common
+       udp_recv
+       http_recv
+       dccp_recv
+       filter_common
+       fec
+       bitstream
+       imdct
+       wav_filter
+       compress_filter
+       amp_filter
+       prebuffer_filter
+       fecdec_filter
+       wmadec_filter
+       write_common
+       file_write
+       version
+       sync_filter
+"
+play_cmdline_objs="
+       http_recv
+       dccp_recv
+       udp_recv
+       afh_recv
+       compress_filter
+       amp_filter
+       prebuffer_filter
+       file_write
+       play
+       sync_filter
+"
+if test "$have_core_audio" = "yes"; then
+       play_errlist_objs="$play_errlist_objs osx_write ipc"
+       play_cmdline_objs="$play_cmdline_objs osx_write"
+fi
+if test "$have_vorbis" = "yes" || \
+               test "$have_speex" = "yes" || \
+               test "$have_opus" = "yes"; then
+       play_errlist_objs="$play_errlist_objs ogg_afh_common"
+fi
+if test "$have_vorbis" = "yes"; then
+       play_errlist_objs="$play_errlist_objs oggdec_filter ogg_afh"
+fi
+if test "$have_speex" = "yes"; then
+       play_errlist_objs="$play_errlist_objs spxdec_filter spx_afh spx_common"
+fi
+if test "$have_opus" = "yes"; then
+       play_errlist_objs="$play_errlist_objs opusdec_filter opus_afh opus_common"
+fi
+if test "$have_faad" = "yes"; then
+       play_errlist_objs="$play_errlist_objs aacdec_filter aac_afh aac_common"
+fi
+if test "$have_mad" = "yes"; then
+       play_cmdline_objs="$play_cmdline_objs mp3dec_filter"
+       play_errlist_objs="$play_errlist_objs mp3dec_filter"
+fi
+if test "$have_flac" = "yes"; then
+       play_errlist_objs="$play_errlist_objs flacdec_filter flac_afh"
+fi
+if test "$have_oss" = "yes"; then
+       play_errlist_objs="$play_errlist_objs oss_write"
+       play_cmdline_objs="$play_cmdline_objs oss_write"
+fi
+if test "$have_alsa" = "yes"; then
+       play_errlist_objs="$play_errlist_objs alsa_write"
+       play_cmdline_objs="$play_cmdline_objs alsa_write"
+fi
+if test "$have_ao" = "yes"; then
+       play_errlist_objs="$play_errlist_objs ao_write"
+       play_cmdline_objs="$play_cmdline_objs ao_write"
+fi
+if test "$have_readline" = "yes"; then
+       play_errlist_objs="$play_errlist_objs interactive"
+fi
+if test "$have_samplerate" = "yes"; then
+       play_errlist_objs="$play_errlist_objs resample_filter check_wav"
+       play_cmdline_objs="$play_cmdline_objs resample_filter"
+fi
+
+play_objs="add_cmdline($play_cmdline_objs) $play_errlist_objs"
+AC_SUBST(play_objs, add_dot_o($play_objs))
+AC_DEFINE_UNQUOTED(INIT_PLAY_ERRLISTS,
+       objlist_to_errlist($play_errlist_objs), errors used by para_play)
+######################################################################### write
+write_cmdline_objs="
+       write
+       file_write
+"
+write_errlist_objs="
+       write
+       write_common
+       file_write
+       time
+       fd
+       string
+       sched
+       stdin
+       buffer_tree
+       ggo
+       check_wav
+       version
+"
+writers="file"
+default_writer="FILE_WRITE"
+
+if test "$have_core_audio" = "yes"; then
+       write_errlist_objs="$write_errlist_objs osx_write ipc"
+       write_cmdline_objs="$write_cmdline_objs osx_write"
+       writers="$writers osx"
+       default_writer="OSX_WRITE"
+fi
+if test "$have_ao" = "yes"; then
+       write_errlist_objs="$write_errlist_objs ao_write"
+       write_cmdline_objs="$write_cmdline_objs ao_write"
+       writers="$writers ao"
+       default_writer="AO_WRITE"
+fi
+if test "$have_oss" = "yes"; then
+       write_errlist_objs="$write_errlist_objs oss_write"
+       write_cmdline_objs="$write_cmdline_objs oss_write"
+       writers="$writers oss"
+       default_writer="OSS_WRITE"
+fi
+if test "$have_alsa" = "yes"; then
+       write_errlist_objs="$write_errlist_objs alsa_write"
+       write_cmdline_objs="$write_cmdline_objs alsa_write"
+       writers="$writers alsa"
+       default_writer="ALSA_WRITE"
+fi
+AC_SUBST(writers)
+write_objs="add_cmdline($write_cmdline_objs) $write_errlist_objs"
+AC_SUBST(write_objs, add_dot_o($write_objs))
+AC_DEFINE_UNQUOTED(INIT_WRITE_ERRLISTS,
+       objlist_to_errlist($write_errlist_objs), errors used by para_write)
+enum="$(for i in $writers; do printf "${i}_WRITE, " | tr '[a-z]' '[A-Z]'; done)"
+AC_DEFINE_UNQUOTED(WRITER_ENUM, $enum NUM_SUPPORTED_WRITERS,
+       enum of supported writers)
+AC_DEFINE_UNQUOTED(DEFAULT_WRITER, $default_writer, use this writer if none was specified)
+names="$(for i in $writers; do printf \"$i\",' ' ; done)"
+AC_DEFINE_UNQUOTED(WRITER_NAMES, $names, supported writer names)
+inits="$(for i in $writers; do printf 'extern void '$i'_write_init(struct writer *); '; done)"
+AC_DEFINE_UNQUOTED(DECLARE_WRITER_INITS, $inits, init functions of the supported writers)
+array="$(for i in $writers; do printf '{.init = '$i'_write_init},'; done)"
+AC_DEFINE_UNQUOTED(WRITER_ARRAY, $array, array of supported writers)
+######################################################################## audioc
+audioc_cmdline_objs="audioc"
+audioc_errlist_objs="
+       audioc
+       string
+       net
+       fd
+       version
+       ggo
+"
+if test "$have_readline" = "yes"; then
+       audioc_errlist_objs="$audioc_errlist_objs
+               buffer_tree
+               interactive
+               sched
+               time
+       "
+fi
+audioc_objs="add_cmdline($audioc_cmdline_objs) $audioc_errlist_objs"
+AC_SUBST(audioc_objs, add_dot_o($audioc_objs))
+AC_DEFINE_UNQUOTED(INIT_AUDIOC_ERRLISTS,
+       objlist_to_errlist($audioc_errlist_objs), errors used by para_audioc)
+############################################################# error2.h
+# these are always built
+all_errlist_objs="
+       $recv_errlist_objs
+       $filter_errlist_objs
+       $audioc_errlist_objs
+       $write_errlist_objs
+       $afh_errlist_objs
+       $play_errlist_objs
+"
+
+# optional executables
+if test "$build_server" = "yes"; then
+       all_errlist_objs="$all_errlist_objs $server_errlist_objs"
+fi
+if test "$build_gui" = "yes"; then
+       all_errlist_objs="$all_errlist_objs $gui_errlist_objs"
+fi
+if test "$build_fade" = "yes"; then
+       all_errlist_objs="$all_errlist_objs $fade_errlist_objs"
+fi
+if test "$build_client" = "yes"; then
+       all_errlist_objs="$all_errlist_objs $client_errlist_objs"
+fi
+if test "$build_audiod" = "yes"; then
        all_errlist_objs="$all_errlist_objs $audiod_errlist_objs"
 fi
 
 all_errlist_objs="$(echo $all_errlist_objs | tr ' ' '\n' | sort | uniq)"
 
+object_executable_matrix=
 for i in $executables; do
-       echo "$i: "
-       eval echo \$${i}_errlist_objs
-done | ./error2.pl > error2.h
+       eval objs=\$${i}_errlist_objs
+       object_executable_matrix="$object_executable_matrix $i: $objs"
+done
+# use echo to replace newlines by space
+AC_SUBST(object_executable_matrix, $(echo $object_executable_matrix))
+
 for obj in $all_errlist_objs; do
        SS="$SS SS_$(echo $obj | tr 'a-z' 'A-Z'),"
 done
@@ -1255,7 +1548,6 @@ AC_DEFINE_UNQUOTED(DEFINE_ERRLIST_OBJECT_ENUM,
        [enum {$SS NUM_SS}],
        [list of all objects that use the paraslash error facility]
 )
-
 ################################################################## status items
 
 status_items="basename status num_played mtime bitrate frequency file_size
@@ -1285,92 +1577,6 @@ AC_DEFINE_UNQUOTED(AUDIO_FORMAT_HANDLERS, "$audio_format_handlers",
 
 AC_SUBST(executables)
 
-recv_objs="$recv_cmdline_objs $recv_errlist_objs"
-filter_objs="$filter_cmdline_objs $filter_errlist_objs"
-audiod_objs="$audiod_cmdline_objs $audiod_errlist_objs"
-server_objs="$server_cmdline_objs $server_errlist_objs"
-write_objs="$write_cmdline_objs $write_errlist_objs"
-client_objs="$client_cmdline_objs $client_errlist_objs"
-audioc_objs="$audioc_cmdline_objs $audioc_errlist_objs"
-afh_objs="$afh_cmdline_objs $afh_errlist_objs"
-play_objs="$play_cmdline_objs $play_errlist_objs"
-
-
-AC_SUBST(recv_objs, add_dot_o($recv_objs))
-AC_SUBST(recv_ldflags, $recv_ldflags)
-AC_DEFINE_UNQUOTED(INIT_RECV_ERRLISTS, objlist_to_errlist($recv_errlist_objs),
-       errors used by para_recv)
-
-AC_SUBST(filter_objs, add_dot_o($filter_objs))
-AC_SUBST(filter_ldflags, $filter_ldflags)
-AC_DEFINE_UNQUOTED(INIT_FILTER_ERRLISTS,
-       objlist_to_errlist($filter_errlist_objs), errors used by para_filter)
-
-AC_SUBST(audiod_objs, add_dot_o($audiod_objs))
-AC_SUBST(audiod_ldflags, $audiod_ldflags)
-AC_DEFINE_UNQUOTED(INIT_AUDIOD_ERRLISTS, objlist_to_errlist($audiod_errlist_objs),
-       errors used by para_audiod)
-
-AC_SUBST(server_objs, add_dot_o($server_objs))
-AC_SUBST(server_ldflags, $server_ldflags)
-AC_DEFINE_UNQUOTED(INIT_SERVER_ERRLISTS,
-       objlist_to_errlist($server_errlist_objs), errors used by para_server)
-
-AC_SUBST(afh_objs, add_dot_o($afh_objs))
-AC_SUBST(afh_ldflags, $afh_ldflags)
-AC_DEFINE_UNQUOTED(INIT_AFH_ERRLISTS,
-       objlist_to_errlist($afh_errlist_objs), errors used by para_afh)
-
-AC_SUBST(write_objs, add_dot_o($write_objs))
-AC_SUBST(write_ldflags, $write_ldflags)
-AC_DEFINE_UNQUOTED(INIT_WRITE_ERRLISTS,
-       objlist_to_errlist($write_errlist_objs), errors used by para_write)
-
-AC_SUBST(client_objs, add_dot_o($client_objs))
-AC_SUBST(client_ldflags, $client_ldflags)
-AC_DEFINE_UNQUOTED(INIT_CLIENT_ERRLISTS,
-       objlist_to_errlist($client_errlist_objs), errors used by para_client)
-
-AC_SUBST(audioc_objs, add_dot_o($audioc_objs))
-AC_SUBST(audioc_ldflags, $audioc_ldflags)
-AC_DEFINE_UNQUOTED(INIT_AUDIOC_ERRLISTS,
-       objlist_to_errlist($audioc_errlist_objs), errors used by para_audioc)
-
-AC_SUBST(gui_objs, add_dot_o($gui_objs))
-AC_SUBST(gui_ldflags, $gui_ldflags)
-AC_DEFINE_UNQUOTED(INIT_GUI_ERRLISTS,
-       objlist_to_errlist($gui_errlist_objs), errors used by para_gui)
-
-AC_SUBST(play_objs, add_dot_o($play_objs))
-AC_SUBST(play_ldflags, $play_ldflags)
-AC_DEFINE_UNQUOTED(INIT_PLAY_ERRLISTS,
-       objlist_to_errlist($play_errlist_objs), errors used by para_play)
-
-enum="$(for i in $filters; do printf "${i}_FILTER, " | tr '[a-z]' '[A-Z]'; done)"
-AC_DEFINE_UNQUOTED(FILTER_ENUM, $enum NUM_SUPPORTED_FILTERS,
-       enum of supported filters)
-inits="$(for i in $filters; do printf 'extern void '$i'_filter_init(struct filter *f); '; done)"
-AC_DEFINE_UNQUOTED(DECLARE_FILTER_INITS, $inits, init functions of the supported filters)
-array="$(for i in $filters; do printf '{.name = "'$i'", .init = '$i'_filter_init},'; done)"
-AC_DEFINE_UNQUOTED(FILTER_ARRAY, $array, array of supported filters)
-
-enum="$(for i in $writers; do printf "${i}_WRITE, " | tr '[a-z]' '[A-Z]'; done)"
-AC_DEFINE_UNQUOTED(WRITER_ENUM, $enum NUM_SUPPORTED_WRITERS,
-       enum of supported writers)
-AC_DEFINE_UNQUOTED(DEFAULT_WRITER, $default_writer, use this writer if none was specified)
-names="$(for i in $writers; do printf \"$i\",' ' ; done)"
-AC_DEFINE_UNQUOTED(WRITER_NAMES, $names, supported writer names)
-inits="$(for i in $writers; do printf 'extern void '$i'_write_init(struct writer *); '; done)"
-AC_DEFINE_UNQUOTED(DECLARE_WRITER_INITS, $inits, init functions of the supported writers)
-array="$(for i in $writers; do printf '{.init = '$i'_write_init},'; done)"
-AC_DEFINE_UNQUOTED(WRITER_ARRAY, $array, array of supported writers)
-
-enum="$(for i in $audiod_audio_formats; do printf "AUDIO_FORMAT_${i}, " | tr '[a-z]' '[A-Z]'; done)"
-AC_DEFINE_UNQUOTED(AUDIOD_AUDIO_FORMATS_ENUM, $enum NUM_AUDIO_FORMATS,
-       enum of audio formats supported by audiod)
-names="$(for i in $audiod_audio_formats; do printf \"$i\",' ' ; done)"
-AC_DEFINE_UNQUOTED(AUDIOD_AUDIO_FORMAT_ARRAY, $names, array of audio formats supported by audiod)
-
 AC_OUTPUT
 AC_MSG_NOTICE([
 paraslash configuration:
@@ -1382,7 +1588,7 @@ id3 version2 support: $have_libid3tag
 filters: $filters
 writers: $writers
 
-$mixer_summary
+para_fade: $build_fade
 para_server: $build_server
 para_gui: $build_gui
 para_fade: $build_fade