vss: Avoid use after free in vss_send().
[paraslash.git] / configure.ac
index 87e41d71ed044376fbd0af5550ebb394a732f39f..0b00cc2af9f006d492975a54210ce26f4e5aa56e 100644 (file)
-#                                               -*- Autoconf -*-
-# Process this file with autoconf to produce a configure script.
-
 AC_PREREQ([2.61])
 
-
-AC_INIT([paraslash],[git],[maan@systemlinux.org])
-AC_CONFIG_HEADER([config.h])
+AC_INIT([paraslash], [m4_esyscmd_s(./GIT-VERSION-GEN)],
+       [maan@tuebingen.mpg.de], [], [http://people.tuebingen.mpg.de/maan/paraslash/])
+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 $i | tr 'a-z' 'A-Z')), "; done) }])
-AC_PATH_PROG(UNAMEPATH, uname, no)
-if test "$UNAMEPATH" = "no"; then
-       AC_MSG_ERROR(unable to determine system type)
-fi
-AC_MSG_CHECKING(os type)
-OSTYPE="`$UNAMEPATH -s`"
-AC_MSG_RESULT("$OSTYPE")
+AC_DEFUN([add_cmdline],[$(for i in $@; do printf "${i}.cmdline "; done)])
+AC_DEFUN([LIB_ARG_WITH], [
+       AC_ARG_WITH($1-headers, [AS_HELP_STRING(--with-$1-headers=dir,
+               [look for $1 headers in dir])])
+       AC_ARG_WITH($1-libs, [AS_HELP_STRING(--with-$1-libs=dir,
+               [look for $1 libraries in dir])])
+       if test -n "$with_$1_headers"; then
+               $1_cppflags="-I$with_$1_headers"
+               CPPFLAGS="$CPPFLAGS $$1_cppflags"
+       fi
+       if test -n "$with_$1_libs"; then
+               $1_ldflags="-L$with_$1_libs $2"
+       else
+               $1_ldflags="$2"
+       fi
+       LDFLAGS="$LDFLAGS $$1_ldflags"
+])
 
-if test "$OSTYPE" = "SunOS"; then
-       # needed on SunOS for socket magic
-       arch_cppflags="-D_XOPEN_SOURCE=500 -D__EXTENSIONS__"
-       AC_SUBST(arch_cppflags)
-fi
+AC_DEFUN([STASH_FLAGS], [
+       OLD_CPPFLAGS="$CPPFLAGS"
+       OLD_LDFLAGS="$LDFLAGS"
+       OLD_LIBS="$LIBS"
+])
+
+AC_DEFUN([UNSTASH_FLAGS], [
+       CPPFLAGS="$OLD_CPPFLAGS"
+       LDFLAGS="$OLD_LDFLAGS"
+       LIBS="$OLD_LIBS"
+])
+AC_DEFUN([LIB_SUBST_FLAGS], [
+       if test "$HAVE_[]m4_toupper([$1])" = 'yes'; then
+               AC_DEFINE(HAVE_[]m4_toupper([$1]), 1,
+                       define to 1 to turn on $1 support)
+       else
+               $1_cppflags=
+               $1_ldflags=
+       fi
+       AC_SUBST(HAVE_[]m4_toupper([$1]))
+       AC_SUBST($1_cppflags)
+       AC_SUBST($1_ldflags)
+])
 
+AC_USE_SYSTEM_EXTENSIONS
 AC_C_BIGENDIAN()
 
-AC_PATH_PROG([gengetopt], [gengetopt])
-test -z "$gengetopt" && AC_MSG_ERROR(
+AC_PATH_PROG([GENGETOPT], [gengetopt])
+test -z "$GENGETOPT" && AC_MSG_ERROR(
        [gengetopt is required to build this package])
 
-AC_PATH_PROG([help2man], [help2man])
-test -z "$help2man" && AC_MSG_ERROR(
+AC_PATH_PROG([M4], [m4])
+test -z "$M4" && AC_MSG_ERROR(
+       [The m4 macro processor is required to build this package])
+
+AC_PATH_PROG([HELP2MAN], [help2man])
+test -z "$HELP2MAN" && AC_MSG_ERROR(
        [help2man is required to build this package])
 
+AC_PATH_PROG([INSTALL], [install])
+test -z "$INSTALL" && AC_MSG_ERROR(
+       [The install program is required to build this package])
+
 AC_PROG_CC
 AC_PROG_CPP
-AC_PROG_INSTALL
-AC_SUBST(install_sh, [$INSTALL])
-AC_REPLACE_FNMATCH
-
-AC_HEADER_DIRENT
-AC_HEADER_STDC
-AC_HEADER_SYS_WAIT
-AC_HEADER_STDBOOL
-AC_CHECK_HEADERS([arpa/inet.h ctype.h fcntl.h limits.h netdb.h netinet/in.h \
-       stdlib.h string.h sys/socket.h sys/time.h sys/timeb.h sys/un.h \
-       sys/ipc.h unistd.h utime.h stddef.h],
-       [], [AC_MSG_ERROR([$ac_header not found])])
-
-# Checks for typedefs, structures, and compiler characteristics.
-AC_C_CONST
-AC_C_INLINE
-AC_TYPE_OFF_T
-AC_TYPE_PID_T
-AC_TYPE_SIZE_T
-AC_HEADER_TIME
-AC_STRUCT_TM
-AC_TYPE_INT8_T
-AC_TYPE_INT16_T
-AC_TYPE_INT32_T
-AC_TYPE_INT64_T
-AC_TYPE_MODE_T
-AC_TYPE_SSIZE_T
-AC_TYPE_UID_T
-AC_TYPE_UINT8_T
-AC_TYPE_UINT16_T
-AC_TYPE_UINT32_T
-AC_TYPE_UINT64_T
-
-# Checks for library functions.
-AC_FUNC_FORK
-AC_PROG_GCC_TRADITIONAL
-AC_FUNC_MALLOC
-AC_FUNC_MEMCMP
-AC_FUNC_MKTIME
-AC_FUNC_MMAP
-AC_FUNC_REALLOC
-AC_FUNC_SELECT_ARGTYPES
-AC_FUNC_STAT
-AC_FUNC_STRFTIME
-AC_FUNC_VPRINTF
-AC_FUNC_CLOSEDIR_VOID
-AC_FUNC_LSTAT
-
-AC_CHECK_FUNCS([atexit dup2 memchr memmove memset \
-       regcomp select strchr strdup strerror strstr strtol uname \
-       fchdir gettimeofday localtime_r munmap strcasecmp strcspn \
-       strncasecmp strrchr strspn alarm mkdir inet_ntoa socket], [],
-       [AC_MSG_ERROR([function not found, cannot live without it])])
-
-AC_DEFUN([add_cmdline],[$(for i in $@; do printf "${i}.cmdline "; done)])
-
-
-all_errlist_objs="mp3_afh afh_common net string signal time daemon
-       stat afh amp_filter fd ringbuffer sched audiod
-       grab_client filter_common wav_filter compress_filter http_recv
-       dccp_recv recv_common write_common file_write audiod_command
-       client_common recv stdout filter stdin audioc write client
-       exec send_common ggo udp_recv color fec fecdec_filter
-       prebuffer_filter bitstream imdct check_wav
-       wma_afh wma_common wmadec_filter buffer_tree crypt_common
-       gui gui_theme sideband afh_recv play version"
-
-executables="recv filter audioc write client afh audiod play"
-
-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=""
-
-audiod_cmdline_objs="add_cmdline(audiod compress_filter http_recv dccp_recv file_write client amp_filter udp_recv prebuffer_filter)"
-audiod_errlist_objs="audiod signal string daemon stat net crypt_common sideband
-       time grab_client filter_common wav_filter compress_filter amp_filter http_recv dccp_recv
-       recv_common fd sched write_common file_write audiod_command fecdec_filter
-       client_common ggo udp_recv color fec prebuffer_filter version
-       bitstream imdct wma_common wmadec_filter buffer_tree"
-audiod_ldflags="-lm"
-audiod_audio_formats="wma"
-
-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"
-
-client_cmdline_objs="add_cmdline(client)"
-client_errlist_objs="
-       client
-       net
-       string
-       fd
-       sched
-       stdin
-       stdout
-       time
-       sideband
-       client_common
-       buffer_tree
-       crypt_common
-       version
-       ggo
-"
-client_ldflags=""
-
-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"
-########################################################################### snprintf
-# ===========================================================================
-#        http://www.nongnu.org/autoconf-archive/ax_func_snprintf.html
-# ===========================================================================
-#
-# SYNOPSIS
-#
-#   AX_FUNC_SNPRINTF
-#
-# DESCRIPTION
-#
-#   Checks for a fully C99 compliant snprintf, in particular checks whether
-#   it does bounds checking and returns the correct string length; does the
-#   same check for vsnprintf. If no working snprintf or vsnprintf is found,
-#   it prints an error message and aborts.
-#
-# LICENSE
-#
-#   Copyright (c) 2008 Ruediger Kuhlmann <info@ruediger-kuhlmann.de>
-#
-#   Copying and distribution of this file, with or without modification, are
-#   permitted in any medium without royalty provided the copyright notice
-#   and this notice are preserved.
 
-AU_ALIAS([AC_FUNC_SNPRINTF], [AX_FUNC_SNPRINTF])
-AC_DEFUN([AX_FUNC_SNPRINTF],
-[AC_CHECK_FUNCS(snprintf vsnprintf)
-AC_MSG_CHECKING(for working snprintf)
-AC_CACHE_VAL(ac_cv_have_working_snprintf,
-[AC_RUN_IFELSE([AC_LANG_SOURCE([[
-#include <stdio.h>
-
-int main(void)
-{
-    char bufs[5] = { 'x', 'x', 'x', '\0', '\0' };
-    char bufd[5] = { 'x', 'x', 'x', '\0', '\0' };
-    int i;
-    i = snprintf (bufs, 2, "%s", "111");
-    if (strcmp (bufs, "1")) exit (1);
-    if (i != 3) exit (1);
-    i = snprintf (bufd, 2, "%d", 111);
-    if (strcmp (bufd, "1")) exit (1);
-    if (i != 3) exit (1);
-    exit(0);
-}]])],[ac_cv_have_working_snprintf=yes],
-[ac_cv_have_working_snprintf=no],[ac_cv_have_working_snprintf=cross])])
-AC_MSG_RESULT([$ac_cv_have_working_snprintf])
-AC_MSG_CHECKING(for working vsnprintf)
-AC_CACHE_VAL(ac_cv_have_working_vsnprintf,
-[AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdio.h>
-#include <stdarg.h>
-
-int my_vsnprintf (char *buf, const char *tmpl, ...)
-{
-    int i;
-    va_list args;
-    va_start (args, tmpl);
-    i = vsnprintf (buf, 2, tmpl, args);
-    va_end (args);
-    return i;
-}
-
-int main(void)
-{
-    char bufs[5] = { 'x', 'x', 'x', '\0', '\0' };
-    char bufd[5] = { 'x', 'x', 'x', '\0', '\0' };
-    int i;
-    i = my_vsnprintf (bufs, "%s", "111");
-    if (strcmp (bufs, "1")) exit (1);
-    if (i != 3) exit (1);
-    i = my_vsnprintf (bufd, "%d", 111);
-    if (strcmp (bufd, "1")) exit (1);
-    if (i != 3) exit (1);
-    exit(0);
-}]])],[ac_cv_have_working_vsnprintf=yes],
-[ac_cv_have_working_vsnprintf=no],[ac_cv_have_working_vsnprintf=cross])])
-AC_MSG_RESULT([$ac_cv_have_working_vsnprintf])
-if test x$ac_cv_have_working_snprintf$ac_cv_have_working_vsnprintf != "xyesyes"; then
-AC_MSG_ERROR([fatal: buggy snprintf() detected])
-fi])
-AX_FUNC_SNPRINTF()
+executables="recv filter audioc write afh play"
 ################################################################## clock_gettime
 clock_gettime_lib=
 AC_CHECK_LIB([c], [clock_gettime], [clock_gettime_lib=c], [
@@ -293,88 +83,36 @@ fi
 if test "$clock_gettime_lib" = "rt"; then
        AC_SUBST(clock_gettime_ldflags, -lrt)
 fi
-########################################################################### osl
-have_osl=yes
-OLD_CPPFLAGS="$CPPFLAGS"
-OLD_LD_FLAGS="$LDFLAGS"
-OLD_LIBS="$LIBS"
-AC_ARG_WITH(osl_headers, [AS_HELP_STRING(--with-osl-headers=dir,
-       [look for osl.h also in dir])])
-if test -n "$with_osl_headers"; then
-       osl_cppflags="-I$with_osl_headers"
-       CPPFLAGS="$CPPFLAGS $osl_cppflags"
-fi
-AC_ARG_WITH(osl_libs, [AS_HELP_STRING(--with-osl-libs=dir,
-       [look for libosl also in dir])])
-if test -n "$with_osl_libs"; then
-       osl_libs="-L$with_osl_libs"
-       LDFLAGS="$LDFLAGS $osl_libs"
-fi
-
-AC_CHECK_HEADER(osl.h, [], have_osl=no)
-AC_CHECK_LIB([osl], [osl_open_table], [], have_osl=no)
-if test "$have_osl" = "no"; then
-       AC_MSG_WARN([libosl not found, can not build para_server.
-Download libosl at
-       http://systemlinux.org/~maan/osl
-or execute
-       git clone git://git.tuebingen.mpg.de/osl
-       ])
-else
-       extras="$extras server"
-       executables="$executables server"
-       server_cmdline_objs="add_cmdline(server)"
-       server_errlist_objs="
-               server
-               afh_common
-               mp3_afh
-               vss command
-               net
-               string
-               signal
-               time
-               daemon
-               http_send
-               close_on_fork
-               mm
-               crypt_common
-               ipc dccp_send
-               fd
-               user_list
-               chunk_queue
-               afs
-               aft
-               mood
-               score
-               attribute
-               blob
-               playlist
-               sched
-               acl
-               send_common
-               udp_send
-               color
-               fec
-               wma_afh
-               wma_common
-               sideband
-               version
-               ggo
-       "
-       all_errlist_objs="$all_errlist_objs server vss command
-               http_send close_on_fork mm ipc dccp_send user_list
-               chunk_queue afs aft mood score attribute blob playlist
-               acl udp_send"
 
-       server_ldflags=""
-       audio_format_handlers="mp3 wma"
-       AC_SUBST(osl_cppflags)
-       server_ldflags="$server_ldflags $osl_libs -losl"
+########################################################################### osl
+STASH_FLAGS
+LIB_ARG_WITH([osl], [-losl])
+HAVE_OSL=yes
+AC_CHECK_HEADER(osl.h, [], [HAVE_OSL=no])
+AC_CHECK_LIB([osl], [osl_open_table], [], [HAVE_OSL=no])
+LIB_SUBST_FLAGS(osl)
+UNSTASH_FLAGS
+######################################################################## openssl
+STASH_FLAGS
+HAVE_OPENSSL=yes
+LIB_ARG_WITH([openssl], [-lssl -lcrypto])
+AC_CHECK_HEADER(openssl/ssl.h, [], [HAVE_OPENSSL=no])
+AC_CHECK_LIB([crypto], [RAND_bytes], [], [HAVE_OPENSSL=no])
+LIB_SUBST_FLAGS(openssl)
+if test $HAVE_OPENSSL = yes; then
+       AC_CHECK_LIB([crypto], [RSA_set0_key],
+               AC_DEFINE([HAVE_RSA_SET0_KEY], [1], [openssl-1.1]))
 fi
-CPPFLAGS="$OLD_CPPFLAGS"
-LDFLAGS="$OLD_LDFLAGS"
-LIBS="$OLD_LIBS"
-########################################################################### crypto
+UNSTASH_FLAGS
+######################################################################### gcrypt
+STASH_FLAGS
+HAVE_GCRYPT=yes
+LIB_ARG_WITH([gcrypt], [-lgcrypt])
+AC_CHECK_HEADER(gcrypt.h, [], [HAVE_GCRYPT=no])
+AC_CHECK_LIB([gcrypt], [gcry_randomize], [], [HAVE_GCRYPT=no])
+LIB_SUBST_FLAGS(gcrypt)
+UNSTASH_FLAGS
+######################################################################### crypto
 AC_ARG_ENABLE(cryptolib, [AS_HELP_STRING(--enable-cryptolib=lib, [
        Force using crypto library "lib". This package requires either
        openssl or libgcrypt being installed. Possible values for "lib"
@@ -382,143 +120,59 @@ AC_ARG_ENABLE(cryptolib, [AS_HELP_STRING(--enable-cryptolib=lib, [
        openssl is tried first. If openssl was not found, gcrypt is
        tried next.])])
 
+CRYPTOLIB="$enable_cryptolib"
 case "$enable_cryptolib" in
-       "openssl") check_openssl="yes"; check_gcrypt="no";;
-       "gcrypt") check_openssl="no"; check_gcrypt="yes";;
-       "") check_openssl="yes"; check_gcrypt="yes";;
-       *) AC_MSG_ERROR([invalid value "$enable_cryptolib" for --enable-cryptolib]);;
-esac
-###################################################################### openssl
-if test "$check_openssl" = "yes"; then
-       OLD_CPPFLAGS="$CPPFLAGS"
-       OLD_LD_FLAGS="$LDFLAGS"
-       OLD_LIBS="$LIBS"
-       have_openssl="yes"
-       AC_ARG_WITH(openssl_headers, [AS_HELP_STRING(--with-openssl-headers=dir,
-               [look for openssl headers also in dir])])
-       if test -n "$with_openssl_headers"; then
-               openssl_cppflags="-I$with_openssl_headers"
-               CPPFLAGS="$CPPFLAGS $openssl_cppflags"
-       fi
-       AC_ARG_WITH(openssl_libs, [AS_HELP_STRING(--with-openssl-libs=dir,
-               [look for openssl libraries also in dir])])
-       if test -n "$with_openssl_libs"; then
-               openssl_libs="-L$with_openssl_libs"
-               LDFLAGS="$LDFLAGS $openssl_libs"
-       fi
-       AC_CHECK_HEADER(openssl/ssl.h, [], [have_openssl="no"])
-       AC_CHECK_LIB([crypto], [RAND_bytes], [], [have_openssl="no"])
-       if test "$have_openssl" = "no" -a -z "$with_openssl_headers$with_openssl_libs"; then
-               # try harder: openssl is sometimes installed in /usr/local/ssl
-               openssl_cppflags="-I/usr/local/ssl/include"
-               CPPFLAGS="$CPPFLAGS $openssl_cppflags"
-               openssl_libs="-L/usr/local/ssl/lib"
-               LDFLAGS="$LDFLAGS $openssl_libs"
-               # clear cache
-               unset ac_cv_header_openssl_ssl_h 2> /dev/null
-               unset ac_cv_lib_crypto_RAND_bytes 2> /dev/null
-               AC_CHECK_HEADER(openssl/ssl.h, [have_openssl="yes"], [])
-               if test "$have_openssl" = "yes"; then
-                       AC_CHECK_LIB([crypto], [RAND_bytes], [], [have_openssl="no"])
-               fi
-       fi
-       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 $openssl_libs"
-
-               all_errlist_objs="$all_errlist_objs crypt"
-               server_errlist_objs="$server_errlist_objs crypt"
-               client_errlist_objs="$client_errlist_objs crypt"
-               audiod_errlist_objs="$audiod_errlist_objs crypt"
-
-               check_gcrypt="no"
-       else
-               AC_MSG_WARN([openssl libraries not found])
-       fi
-       CPPFLAGS="$OLD_CPPFLAGS"
-       LDFLAGS="$OLD_LDFLAGS"
-       LIBS="$OLD_LIBS"
-else
-       have_openssl="no"
-fi
-########################################################################### gcrypt
-if test "$check_gcrypt" = "yes"; then
-       OLD_CPPFLAGS="$CPPFLAGS"
-       OLD_LD_FLAGS="$LDFLAGS"
-       OLD_LIBS="$LIBS"
-       have_gcrypt="yes"
-       AC_ARG_WITH(gcrypt_headers, [AS_HELP_STRING(--with-gcrypt-headers=dir,
-               [look for gcrypt headers also in dir])])
-       if test -n "$with_gcrypt_headers"; then
-               gcrypt_cppflags="-I$with_gcrypt_headers"
-               CPPFLAGS="$CPPFLAGS $gcrypt_cppflags"
+"openssl")
+       test $HAVE_OPENSSL = no && AC_MSG_ERROR(openssl not found)
+       crypto_ldflags="$openssl_ldflags"
+       ;;
+"gcrypt")
+       test $HAVE_GCRYPT = no && AC_MSG_ERROR(gcrypt not found)
+       crypto_ldflags="$gcrypt_ldflags"
+       ;;
+"")
+       crypto_ldflags=
+       if test $HAVE_GCRYPT = yes; then
+               CRYPTOLIB=gcrypt
+               crypto_ldflags="$gcrypt_ldflags"
        fi
-       AC_ARG_WITH(gcrypt_libs, [AS_HELP_STRING(--with-gcrypt-libs=dir,
-               [look for libgcrypt also in dir])])
-       if test -n "$with_gcrypt_libs"; then
-               gcrypt_libs="-L$with_gcrypt_libs"
-               LDFLAGS="$LDFLAGS $gcrypt_libs"
-       fi
-       AC_CHECK_HEADER(gcrypt.h, [], [have_gcrypt="no"])
-       AC_CHECK_LIB([gcrypt], [gcry_randomize], [], [have_gcrypt="no"])
-       if test "$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 $gcrypt_libs"
-
-               all_errlist_objs="$all_errlist_objs gcrypt"
-               server_errlist_objs="$server_errlist_objs gcrypt"
-               client_errlist_objs="$client_errlist_objs gcrypt"
-               audiod_errlist_objs="$audiod_errlist_objs gcrypt"
-       else
-               AC_MSG_WARN([gcrypt library not found])
+       if test $HAVE_OPENSSL = yes; then
+               CRYPTOLIB=openssl
+               crypto_ldflags="$openssl_ldflags"
        fi
-       CPPFLAGS="$OLD_CPPFLAGS"
-       LDFLAGS="$OLD_LDFLAGS"
-       LIBS="$OLD_LIBS"
-else
-       have_gcrypt="no"
-fi
-###########################################################################
-if test "$have_openssl" = "no" -a "$have_gcrypt" = "no"; then
-       AC_MSG_ERROR([neither openssl nor gcrypt usable])
-fi
-########################################################################### libsocket
-AC_CHECK_LIB([c], [socket],
-       [socket_lib=],
-       [socket_lib="-lsocket"]
+       ;;
+*)
+       AC_MSG_ERROR([invalid value "$enable_cryptolib" for --enable-cryptolib])
+       ;;
+esac
+AC_SUBST(crypto_ldflags)
+########################################################################## iconv
+STASH_FLAGS
+LIBS=
+AC_SEARCH_LIBS([libiconv_open], [iconv],
+       [iconv_ldflags="$LIBS"],
+       []
 )
-server_ldflags="$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 $socket_lib"
-AC_SEARCH_LIBS([connect],[socket],[],[
-       AC_MSG_ERROR([Fatal: Did not find connect().])
-],[])
-########################################################################### libnsl
-AC_CHECK_LIB([c], [gethostbyname],
-       [nsl_lib=],
-       [nsl_lib="-lnsl"]
+AC_SUBST(iconv_ldflags)
+AC_MSG_CHECKING([whether iconv needs const char ** cast])
+AC_COMPILE_IFELSE([
+        AC_LANG_PROGRAM([
+                #include <iconv.h>
+        ],[
+                size_t iconv(iconv_t cd, const char **inbuf,
+                        size_t *inbytesleft, char **outbuf,
+                        size_t *outbytesleft);
+        ])
+],
+        [cast='(const char **)'; msg=yes],
+        [cast=; msg=no]
 )
-server_ldflags="$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_DEFINE_UNQUOTED(ICONV_CAST, $cast, [cast for second arg to iconv()])
+AC_MSG_RESULT($msg)
+UNSTASH_FLAGS
 ########################################################################### ucred
 AC_MSG_CHECKING(for struct ucred)
 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
-       #define _GNU_SOURCE
        #include <sys/types.h>
        #include <sys/socket.h>
 ]], [[
@@ -529,7 +183,7 @@ if test ${have_ucred} = yes; then
        AC_DEFINE(HAVE_UCRED, 1, define to 1 you have struct ucred)
 fi
 ########################################################################### gengetopt
-echo 'option "z" z "" flag off' | $gengetopt --file-name conftest-ggo &&
+echo 'option "z" z "" flag off' | $GENGETOPT --file-name conftest-ggo &&
 AC_CHECK_DECL(
        [gengetopt_args_info_description],
        [ggo_descriptions_declared=yes],
@@ -538,45 +192,14 @@ AC_CHECK_DECL(
 )
 AC_SUBST(ggo_descriptions_declared)
 ########################################################################### curses
-have_curses="yes"
-OLD_CPPFLAGS="$CPPFLAGS"
-OLD_LD_FLAGS="$LDFLAGS"
-OLD_LIBS="$LIBS"
-AC_ARG_WITH(curses_headers, [AS_HELP_STRING(--with-curses-headers=dir,
-       [look for curses.h also in dir])])
-if test -n "$with_curses_headers"; then
-       curses_cppflags="-I$with_curses_headers"
-       CPPFLAGS="$CPPFLAGS $curses_cppflags"
-fi
-AC_ARG_WITH(curses_libs, [AS_HELP_STRING(--with-curses-libs=dir,
-       [look for libcurses also in dir])])
-if test -n "$with_curses_libs"; then
-       curses_libs="-L$with_curses_libs"
-       LDFLAGS="$LDFLAGS $curses_libs"
-fi
-AC_CHECK_HEADER(curses.h, [], [
-       have_curses="no"
-])
-gui_ldflags="$curses_libs"
-AC_CHECK_LIB([ncursesw], [initscr],
-       [gui_ldflags="$curses_libs -lncursesw"], [
-               AC_CHECK_LIB([curses], [initscr],
-                       [gui_ldflags="$curses_libs -lcurses"],
-                       [have_curses="no"]
-               )
-       ]
-)
-if test "$have_curses" = "yes"; then
-       AC_SUBST(curses_cppflags)
-       extras="$extras gui"
-       executables="$executables gui"
-else
-       AC_MSG_WARN([no curses lib, cannot build para_gui])
-fi
-CPPFLAGS="$OLD_CPPFLAGS"
-LDFLAGS="$OLD_LDFLAGS"
-LIBS="$OLD_LIBS"
-
+STASH_FLAGS
+LIB_ARG_WITH([curses], [])
+HAVE_CURSES=yes
+AC_CHECK_HEADER(curses.h, [], [HAVE_CURSES=no])
+AC_SEARCH_LIBS([initscr], [ncursesw curses], [], [HAVE_CURSES=no])
+curses_ldflags="$curses_ldflags $LIBS"
+LIB_SUBST_FLAGS(curses)
+UNSTASH_FLAGS
 ########################################################################### ip_mreqn
 AC_MSG_CHECKING(for struct ip_mreqn (UDPv4 multicast))
 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
@@ -604,485 +227,397 @@ if test ${have_core_audio} = yes; then
        f2="-framework AudioToolbox"
        f3="-framework AudioUnit"
        f4="-framework CoreServices"
-       f="$f1 $f2 $f3 $f4"
-
-       all_errlist_objs="$all_errlist_objs osx_write"
-       # ipc is linked into para_server server and into the osx writer. If osl
-       # was not found, para_server will not be built and ipc has not yet been
-       # added to the list of all objects, so we must add it here.
-       if test "$have_osl" = "no"; then
-               all_errlist_objs="$all_errlist_objs ipc"
-       fi
-       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 $f4"
+       AC_SUBST(core_audio_ldflags)
        AC_DEFINE(HAVE_CORE_AUDIO, 1, define to 1 on Mac Os X)
 fi
-####################################################### ogg/vorbis/speex/opus
-have_ogg="yes"
-OLD_CPPFLAGS="$CPPFLAGS"
-OLD_LD_FLAGS="$LDFLAGS"
-OLD_LIBS="$LIBS"
-AC_ARG_WITH(ogg_headers, [AS_HELP_STRING(--with-ogg-headers=dir,
-       [look for ogg headers also in dir])])
-AC_ARG_WITH(ogg_libs, [AS_HELP_STRING(--with-ogg-libs=dir,
-       [look for ogg libs also in dir])])
-AC_ARG_WITH(vorbis_headers, [AS_HELP_STRING(--with-vorbis-headers=dir,
-       [look for vorbis headers also in dir])])
-AC_ARG_WITH(vorbis_libs, [AS_HELP_STRING(--with-vorbis-libs=dir,
-       [look for vorbis libs also in dir])])
-AC_ARG_WITH(speex_headers, [AS_HELP_STRING(--with-speex-headers=dir,
-       [look for speex headers also in dir])])
-AC_ARG_WITH(speex_libs, [AS_HELP_STRING(--with-speex-libs=dir,
-       [look for speex libs also in dir])])
-AC_ARG_WITH(opus_headers, [AS_HELP_STRING(--with-opus-headers=dir,
-       [look for opus headers also in dir])])
-AC_ARG_WITH(opus_libs, [AS_HELP_STRING(--with-opus-libs=dir,
-       [look for opus libs also in dir])])
-
-if test -n "$with_ogg_headers"; then
-       ogg_cppflags="-I$with_ogg_headers"
-       CPPFLAGS="$CPPFLAGS $ogg_cppflags"
-fi
-if test -n "$with_ogg_libs"; then
-       ogg_libs="-L$with_ogg_libs"
-       LDFLAGS="$LDFLAGS $ogg_libs"
-fi
-AC_CHECK_HEADERS([ogg/ogg.h], [], [ have_ogg="no"; ])
-AC_CHECK_LIB([ogg], [ogg_stream_init], [], [ have_ogg="no" ])
-
-have_vorbis="yes"
-have_speex="yes"
-have_opus="yes"
-if test "$have_ogg" = "yes"; then
-       # vorbis
-       if test -n "$with_vorbis_headers"; then
-               vorbis_cppflags="-I$with_vorbis_headers"
-               CPPFLAGS="$CPPFLAGS $vorbis_cppflags"
-       fi
-       if test -n "$with_vorbis_libs"; then
-               vorbis_libs="-L$with_vorbis_libs"
-               LDFLAGS="$LDFLAGS $vorbis_libs"
-       fi
-       AC_CHECK_HEADERS([vorbis/codec.h], [], [ have_vorbis="no" ])
-       AC_CHECK_LIB([vorbis], [vorbis_info_init], [], [ have_vorbis="no" ])
-
-       # speex
-       if test -n "$with_speex_headers"; then
-               speex_cppflags="-I$with_speex_headers"
-               CPPFLAGS="$CPPFLAGS $speex_cppflags"
-       fi
-       if test -n "$with_speex_libs"; then
-               speex_libs="-L$with_speex_libs"
-               LDFLAGS="$LDFLAGS $speex_libs"
-       fi
-       AC_CHECK_LIB([speex], [speex_decoder_init], [], [ have_speex="no" ])
-       AC_CHECK_HEADERS([speex/speex.h], [], [ have_speex="no" ])
-
-       # opus
-       if test -n "$with_opus_headers"; then
-               opus_cppflags="-I$with_opus_headers"
-               CPPFLAGS="$CPPFLAGS $opus_cppflags"
+########################################################################### ogg
+STASH_FLAGS
+LIB_ARG_WITH([ogg], [-logg])
+HAVE_OGG=yes
+AC_CHECK_HEADERS([ogg/ogg.h], [], [HAVE_OGG=no])
+AC_CHECK_LIB([ogg], [ogg_stream_init], [], [HAVE_OGG=no])
+AC_CHECK_LIB([ogg], [ogg_stream_flush_fill], [
+       AC_DEFINE(HAVE_OGG_STREAM_FLUSH_FILL, 1, [libogg >= 1.3.0])])
+LIB_SUBST_FLAGS(ogg)
+UNSTASH_FLAGS
+######################################################################### vorbis
+STASH_FLAGS
+LIB_ARG_WITH([vorbis], [-lvorbis -lvorbisfile])
+HAVE_VORBIS=yes
+AC_CHECK_HEADERS([vorbis/codec.h], [], [HAVE_VORBIS=no])
+AC_CHECK_LIB([vorbis], [vorbis_info_init], [], [HAVE_VORBIS=no])
+LIB_SUBST_FLAGS(vorbis)
+UNSTASH_FLAGS
+######################################################################### speex
+STASH_FLAGS
+LIB_ARG_WITH([speex], [-lspeex])
+HAVE_SPEEX=yes
+AC_CHECK_HEADERS([speex/speex.h], [], [HAVE_SPEEX=no])
+AC_CHECK_LIB([speex], [speex_decoder_init], [], [HAVE_SPEEX=no])
+LIB_SUBST_FLAGS(speex)
+UNSTASH_FLAGS
+######################################################################### opus
+STASH_FLAGS
+LIB_ARG_WITH([opus], [-lopus])
+HAVE_OPUS=yes
+AC_CHECK_HEADERS([opus/opus.h], [], [HAVE_OPUS=no])
+AC_CHECK_LIB([opus], [opus_multistream_decode], [], [HAVE_OPUS=no])
+LIB_SUBST_FLAGS(opus)
+UNSTASH_FLAGS
+########################################################################### flac
+STASH_FLAGS
+LIB_ARG_WITH([flac], [-lFLAC -lm])
+HAVE_FLAC=yes
+AC_CHECK_HEADER(FLAC/stream_decoder.h, [], HAVE_FLAC=no)
+AC_CHECK_LIB([FLAC], [FLAC__stream_decoder_init_file], [], HAVE_FLAC=no)
+LIB_SUBST_FLAGS(flac)
+UNSTASH_FLAGS
+
+# some helper functions for codecs which use the ogg container format
+AC_DEFUN([NEED_OGG_OBJECTS], [{
+       test "$HAVE_OGG" = 'yes' -a \( \
+                "$HAVE_VORBIS" = 'yes' \
+               -o "$HAVE_SPEEX" = 'yes' \
+               -o "$HAVE_OPUS" = 'yes' \
+               -o "$HAVE_FLAC" = 'yes' \
+       \)
+}])
+AC_DEFUN([NEED_VORBIS_OBJECTS], [{
+       test "$HAVE_OGG" = 'yes' -a "$HAVE_VORBIS" = 'yes'
+}])
+AC_DEFUN([NEED_SPEEX_OBJECTS], [{
+       test "$HAVE_OGG" = 'yes' -a "$HAVE_SPEEX" = 'yes'
+}])
+AC_DEFUN([NEED_OPUS_OBJECTS], [{
+       test "$HAVE_OGG" = 'yes' -a "$HAVE_OPUS" = 'yes'
+}])
+AC_DEFUN([NEED_FLAC_OBJECTS], [{
+       test "$HAVE_OGG" = 'yes' -a "$HAVE_FLAC" = 'yes'
+}])
+########################################################################### faad
+STASH_FLAGS
+LIB_ARG_WITH([faad], [-lfaad])
+HAVE_FAAD=yes
+AC_CHECK_HEADER(neaacdec.h, [], HAVE_FAAD=no)
+AC_CHECK_LIB([faad], [NeAACDecOpen], [], HAVE_FAAD=no)
+LIB_SUBST_FLAGS(faad)
+UNSTASH_FLAGS
+########################################################################### mad
+STASH_FLAGS
+LIB_ARG_WITH([mad], [-lmad])
+HAVE_MAD=yes
+AC_CHECK_HEADER(mad.h, [], HAVE_MAD=no)
+AC_CHECK_LIB([mad], [mad_stream_init], [], HAVE_MAD=no)
+LIB_SUBST_FLAGS(mad)
+UNSTASH_FLAGS
+###################################################################### libid3tag
+STASH_FLAGS
+LIB_ARG_WITH([id3tag], [-lid3tag -lz])
+HAVE_ID3TAG=yes
+AC_CHECK_HEADER(id3tag.h, [], HAVE_ID3TAG=no)
+AC_CHECK_LIB([id3tag], [id3_file_fdopen], [], HAVE_ID3TAG=no)
+LIB_SUBST_FLAGS(id3tag)
+UNSTASH_FLAGS
+########################################################################### oss
+STASH_FLAGS
+LIB_ARG_WITH([oss], [])
+AC_CHECK_HEADER(sys/soundcard.h, [HAVE_OSS=yes], [HAVE_OSS=no])
+AC_CHECK_LIB(ossaudio, _oss_ioctl, [oss_ldflags="$oss_ldflags -lossaudio"], [])
+LIB_SUBST_FLAGS(oss)
+UNSTASH_FLAGS
+########################################################################### alsa
+STASH_FLAGS
+LIB_ARG_WITH([alsa], [-lasound])
+HAVE_ALSA=yes
+AC_CHECK_HEADER(alsa/asoundlib.h, [], HAVE_ALSA=no)
+AC_CHECK_LIB([asound], [snd_pcm_open], [], HAVE_ALSA=no)
+LIB_SUBST_FLAGS(alsa)
+UNSTASH_FLAGS
+######################################################################### pthread
+STASH_FLAGS
+LIB_ARG_WITH([pthread], [-lpthread])
+HAVE_PTHREAD=yes
+AC_CHECK_HEADER(pthread.h, [], HAVE_PTHREAD=no)
+AC_CHECK_LIB([pthread], [pthread_create], [], HAVE_PTHREAD=no)
+LIB_SUBST_FLAGS(pthread)
+UNSTASH_FLAGS
+########################################################################### libao
+STASH_FLAGS
+LIB_ARG_WITH([ao], [-lao])
+HAVE_AO=yes
+AC_CHECK_HEADER(ao/ao.h, [], HAVE_AO=no)
+AC_CHECK_LIB([ao], [ao_initialize], [], HAVE_AO=no)
+LIB_SUBST_FLAGS(ao)
+UNSTASH_FLAGS
+AC_DEFUN([NEED_AO_OBJECTS], [{ test $HAVE_AO = yes -a $HAVE_PTHREAD = yes; }])
+######################################################################## readline
+STASH_FLAGS
+AC_SEARCH_LIBS([tgetent], [tinfo curses terminfo termcap])
+LIB_ARG_WITH([readline], [-lreadline $LIBS])
+HAVE_READLINE=yes
+AC_CHECK_HEADER([readline/readline.h], [], [HAVE_READLINE=no])
+AC_CHECK_LIB([readline], [rl_free_keymap], [], HAVE_READLINE=no)
+AC_CHECK_DECL(
+       [rl_free_keymap],
+       [AC_DEFINE(RL_FREE_KEYMAP_DECLARED, 1, readline >= 6.3)],
+       [],
+       [
+               #include <stdio.h>
+               #include <readline/readline.h>
+       ]
+)
+LIB_SUBST_FLAGS(readline)
+UNSTASH_FLAGS
+############################################################# libsamplerate
+STASH_FLAGS
+LIB_ARG_WITH([samplerate], [-lsamplerate])
+HAVE_SAMPLERATE=yes
+AC_CHECK_HEADER(samplerate.h, [], HAVE_SAMPLERATE=no)
+AC_CHECK_LIB([samplerate], [src_process], [], HAVE_SAMPLERATE=no)
+LIB_SUBST_FLAGS(samplerate)
+UNSTASH_FLAGS
+########################################################################## mp4v2
+STASH_FLAGS
+LIB_ARG_WITH([mp4v2], [-lmp4v2])
+HAVE_MP4V2=yes
+AC_CHECK_HEADER([mp4v2/mp4v2.h], [], [HAVE_MP4V2=no])
+AC_CHECK_LIB([mp4v2], [MP4Read], [], [HAVE_MP4V2=no])
+LIB_SUBST_FLAGS(mp4v2)
+UNSTASH_FLAGS
+######################################################################### server
+if test -n "$CRYPTOLIB" && test $HAVE_OSL = yes; then
+       build_server="yes"
+       executables="$executables server"
+       server_cmdline_objs="server"
+       server_errlist_objs="
+               server
+               afh_common
+               mp3_afh
+               vss
+               command
+               net
+               string
+               signal
+               time
+               daemon
+               http_send
+               close_on_fork
+               mm
+               crypt_common
+               base64
+               ipc
+               dccp_send
+               fd
+               user_list
+               chunk_queue
+               afs
+               aft
+               mood
+               score
+               attribute
+               blob
+               playlist
+               sched
+               acl
+               send_common
+               udp_send
+               color
+               fec
+               wma_afh
+               wma_common
+               sideband
+               version
+               ggo
+       "
+       if test "$CRYPTOLIB" = openssl; then
+               server_errlist_objs="$server_errlist_objs crypt"
+       else
+               server_errlist_objs="$server_errlist_objs gcrypt"
        fi
-       if test -n "$with_opus_libs"; then
-               speex_libs="-L$with_opus_libs"
-               LDFLAGS="$LDFLAGS $opus_libs"
+       NEED_OGG_OBJECTS() && server_errlist_objs="$server_errlist_objs ogg_afh_common"
+       NEED_VORBIS_OBJECTS() && server_errlist_objs="$server_errlist_objs ogg_afh"
+       NEED_SPEEX_OBJECTS() && server_errlist_objs="$server_errlist_objs spx_afh spx_common"
+       NEED_OPUS_OBJECTS() && server_errlist_objs="$server_errlist_objs opus_afh opus_common"
+       NEED_FLAC_OBJECTS && server_errlist_objs="$server_errlist_objs flac_afh"
+       if test $HAVE_FAAD = yes && test $HAVE_MP4V2 = yes; then
+               server_errlist_objs="$server_errlist_objs aac_afh aac_common"
        fi
-       AC_CHECK_LIB([opus], [opus_multistream_decode], [], [ have_opus="no" ])
-       AC_CHECK_HEADERS([opus/opus.h], [], [ have_opus="no" ])
+       server_objs="add_cmdline($server_cmdline_objs) $server_errlist_objs"
+       AC_SUBST(server_objs, add_dot_o($server_objs))
 else
-       AC_MSG_WARN([vorbis/speex/opus depend on libogg, which was not detected])
-       have_vorbis="no"
-       have_speex="no"
-       have_opus="no"
+       build_server="no"
 fi
-
-msg="support in para_server/para_filter/para_afh"
-if test "$have_vorbis" = "yes" || \
-               test "$have_speex" = "yes" || \
-               test "$have_opus" = "yes"; then
-       AC_SUBST(ogg_cppflags)
-       ogg_libs="$ogg_libs -logg"
-       if test "$OSTYPE" = "Darwin"; then
-               ogg_libs="-Wl,-bind_at_load $ogg_libs"
+############################################################# client
+if test -n "$CRYPTOLIB"; then
+       build_client="yes"
+       executables="$executables client"
+       client_cmdline_objs="client"
+       client_errlist_objs="
+               client
+               net
+               string
+               fd
+               sched
+               stdin
+               stdout
+               time
+               sideband
+               client_common
+               buffer_tree
+               crypt_common
+               base64
+               version
+               ggo
+       "
+       if test "$CRYPTOLIB" = openssl; then
+               client_errlist_objs="$client_errlist_objs crypt"
+       else
+               client_errlist_objs="$client_errlist_objs gcrypt"
        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 $ogg_libs"
-       all_errlist_objs="$all_errlist_objs ogg_afh_common"
-       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"
-fi
-if test "$have_vorbis" = "yes"; then
-       all_errlist_objs="$all_errlist_objs oggdec_filter ogg_afh"
-       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"
+       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))
 else
-       AC_MSG_WARN([no ogg/vorbis $msg])
+       build_client="no"
 fi
-if test "$have_speex" = "yes"; then
-       all_errlist_objs="$all_errlist_objs spxdec_filter spx_afh spx_common"
-       AC_DEFINE(HAVE_SPEEX, 1, define to 1 to turn on ogg/speex support)
-       filters="$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"
-else
-       AC_MSG_WARN([no ogg/speex $msg])
-fi
-if test "$have_opus" = "yes"; then
-       all_errlist_objs="$all_errlist_objs opusdec_filter opus_afh opus_common"
-       AC_DEFINE(HAVE_OPUS, 1, define to 1 to turn on ogg/opus support)
-       filters="$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"
-       server_audio_formats="$server_audio_formats 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="$CPPFLAGS"
-OLD_LD_FLAGS="$LDFLAGS"
-OLD_LIBS="$LIBS"
-AC_ARG_WITH(faad_headers, [AS_HELP_STRING(--with-faad-headers=dir,
-       [look for neaacdec.h also in dir])])
-if test -n "$with_faad_headers"; then
-       faad_cppflags="-I$with_faad_headers"
-       CPPFLAGS="$CPPFLAGS $faad_cppflags"
-fi
-AC_ARG_WITH(faad_libs, [AS_HELP_STRING(--with-faad-libs=dir,
-       [look for libfaad also in dir])])
-if test -n "$with_faad_libs"; then
-       faad_libs="-L$with_faad_libs"
-       LDFLAGS="$LDFLAGS $faad_libs"
-fi
-AC_CHECK_HEADER(neaacdec.h, [], have_faad=no)
-AC_CHECK_LIB([faad], [NeAACDecOpen], [], have_faad=no)
-if test "$have_faad" = "yes"; then
-       AC_DEFINE(HAVE_FAAD, 1, define to 1 if you want to build the aacdec filter)
-       all_errlist_objs="$all_errlist_objs aac_common aacdec_filter aac_afh"
-       filter_errlist_objs="$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])
-fi
-CPPFLAGS="$OLD_CPPFLAGS"
-LDFLAGS="$OLD_LDFLAGS"
-LIBS="$OLD_LIBS"
-########################################################################### mad
-have_mad="yes"
-OLD_CPPFLAGS="$CPPFLAGS"
-OLD_LD_FLAGS="$LDFLAGS"
-OLD_LIBS="$LIBS"
-
-AC_ARG_WITH(mad_headers, [AS_HELP_STRING(--with-mad-headers=dir,
-       [look for mad.h also in dir])])
-if test -n "$with_mad_headers"; then
-       mad_cppflags="-I$with_mad_headers"
-       CPPFLAGS="$CPPFLAGS $mad_cppflags"
-fi
-AC_ARG_WITH(mad_libs, [AS_HELP_STRING(--with-mad-libs=dir,
-       [look for libmad also in dir])])
-if test -n "$with_mad_libs"; then
-       mad_libs="-L$with_mad_libs"
-       LDFLAGS="$LDFLAGS $mad_libs"
-fi
-AC_CHECK_HEADERS([mad.h], [], [
-       have_mad="no"
-])
-AC_CHECK_LIB([mad], [mad_stream_init], [], [
-       have_mad="no"
-])
-if test "$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="$play_cmdline_objs add_cmdline(mp3dec_filter)"
-       all_errlist_objs="$all_errlist_objs 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="$filters mp3dec"
-       AC_SUBST(mad_cppflags)
-else
-       AC_MSG_WARN([no mp3dec support in para_audiod/para_filter])
-fi
-CPPFLAGS="$OLD_CPPFLAGS"
-LDFLAGS="$OLD_LDFLAGS"
-LIBS="$OLD_LIBS"
-###################################################################### libid3tag
-OLD_CPPFLAGS="$CPPFLAGS"
-OLD_LD_FLAGS="$LDFLAGS"
-OLD_LIBS="$LIBS"
-
-have_libid3tag="yes"
-AC_ARG_WITH(id3tag_headers, [AS_HELP_STRING(--with-id3tag-headers=dir,
-       [look for id3tag header files also in dir])])
-if test -n "$with_id3tag_headers"; then
-       id3tag_cppflags="-I$with_id3tag_headers"
-       CPPFLAGS="$CPPFLAGS $id3tag_cppflags"
-fi
-AC_ARG_WITH(id3tag_libs, [AS_HELP_STRING(--with-id3tag-libs=dir,
-       [look for id3tag libs also in dir])])
-if test -n "$with_id3tag_libs"; then
-       id3tag_libs="-L$with_id3tag_libs"
-       LDFLAGS="$LDFLAGS $id3tag_libs"
-fi
-
-AC_MSG_CHECKING(for libid3tag)
-AC_LINK_IFELSE([AC_LANG_PROGRAM([[
-       #include <id3tag.h>
-]], [[
-       struct id3_tag t = {.flags = 0};
-]])],[],[have_libid3tag=no])
-AC_MSG_RESULT($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 $id3tag_libs -lid3tag"
-       AC_SUBST(id3tag_cppflags)
-else
-       AC_MSG_WARN([no support for id3v2 tags])
-fi
-CPPFLAGS="$OLD_CPPFLAGS"
-LDFLAGS="$OLD_LDFLAGS"
-LIBS="$OLD_LIBS"
-########################################################################### flac
-OLD_CPPFLAGS="$CPPFLAGS"
-OLD_LD_FLAGS="$LDFLAGS"
-OLD_LIBS="$LIBS"
-
-have_flac="yes"
-AC_ARG_WITH(flac_headers, [AS_HELP_STRING(--with-flac-headers=dir,
-       [look for flac headers also in dir])])
-if test -n "$with_flac_headers"; then
-       flac_cppflags="-I$with_flac_headers"
-       CPPFLAGS="$CPPFLAGS $flac_cppflags"
-fi
-AC_ARG_WITH(flac_libs, [AS_HELP_STRING(--with-flac-libs=dir,
-       [look for flac libs also in dir])])
-if test -n "$with_flac_libs"; then
-       flac_libs="-L$with_flac_libs"
-       LDFLAGS="$LDFLAGS $flac_libs"
-fi
-AC_CHECK_HEADER(FLAC/stream_decoder.h, [], have_flac=no)
-AC_CHECK_LIB([FLAC], [FLAC__stream_decoder_init_file], [], have_flac=no, -logg -lm)
-if test "$have_flac" = "yes"; then
-       AC_DEFINE(HAVE_FLAC, 1, define to 1 if you want to build the flacdec filter)
-       all_errlist_objs="$all_errlist_objs flacdec_filter flac_afh"
-       filter_errlist_objs="$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 $flac_libs -lFLAC"
-       recv_ldflags="$afh_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)
-else
-       AC_MSG_WARN([no flac support in para_audiod/para_filter/para_afh/para_server])
-fi
-CPPFLAGS="$OLD_CPPFLAGS"
-LDFLAGS="$OLD_LDFLAGS"
-LIBS="$OLD_LIBS"
-########################################################################### oss
-OLD_CPPFLAGS="$CPPFLAGS"
-OLD_LD_FLAGS="$LDFLAGS"
-OLD_LIBS="$LIBS"
-
-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="$fade_errlist_objs oss_mix"
-       all_errlist_objs="$all_errlist_objs oss_write 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"
-               ]
-       )
-       ],
-       [
-               have_oss="no"
-               AC_MSG_WARN([no sys/soundcard.h $msg])
-       ]
-)
-CPPFLAGS="$OLD_CPPFLAGS"
-LDFLAGS="$OLD_LDFLAGS"
-LIBS="$OLD_LIBS"
-
-########################################################################### alsa
-OLD_CPPFLAGS="$CPPFLAGS"
-OLD_LD_FLAGS="$LDFLAGS"
-OLD_LIBS="$LIBS"
-
-msg="=> no alsa support for para_audiod/para_write"
-if test "$OSTYPE" != "Linux"; then
-       have_alsa="no"
+############################################################# audiod
+if test -n "$CRYPTOLIB"; then
+       build_audiod="yes"
+       executables="$executables audiod"
+       audiod_audio_formats="wma"
+       audiod_cmdline_objs="$audiod_cmdline_objs
+               audiod
+               compress_filter
+               http_recv
+               dccp_recv
+               file_write
+               client
+               amp_filter
+               udp_recv
+               prebuffer_filter
+               sync_filter
+       "
+       audiod_errlist_objs="$audiod_errlist_objs
+               audiod
+               signal
+               string
+               daemon
+               stat
+               net
+               crypt_common
+               base64
+               sideband
+               time
+               grab_client
+               filter_common
+               wav_filter
+               compress_filter
+               amp_filter
+               http_recv
+               dccp_recv
+               recv_common
+               fd
+               sched
+               write_common
+               file_write
+               audiod_command
+               fecdec_filter
+               client_common
+               ggo
+               udp_recv
+               color
+               fec
+               prebuffer_filter
+               version
+               bitstream
+               imdct
+               wma_common
+               wmadec_filter
+               buffer_tree
+               sync_filter
+       "
+       if test "$CRYPTOLIB" = openssl; then
+               audiod_errlist_objs="$audiod_errlist_objs crypt"
+       else
+               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
+       NEED_VORBIS_OBJECTS && {
+               audiod_errlist_objs="$audiod_errlist_objs oggdec_filter"
+               audiod_audio_formats="$audiod_audio_formats ogg"
+       }
+       NEED_SPEEX_OBJECTS && {
+               audiod_errlist_objs="$audiod_errlist_objs spxdec_filter spx_common"
+               audiod_audio_formats="$audiod_audio_formats spx"
+       }
+       NEED_OPUS_OBJECTS && {
+               audiod_errlist_objs="$audiod_errlist_objs opusdec_filter opus_common"
+               audiod_audio_formats="$audiod_audio_formats opus"
+       }
+       NEED_FLAC_OBJECTS && {
+               audiod_errlist_objs="$audiod_errlist_objs flacdec_filter"
+               audiod_audio_formats="$audiod_audio_formats flac"
+       }
+       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 $HAVE_OSS = yes; then
+               audiod_errlist_objs="$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="$audiod_cmdline_objs alsa_write"
+       fi
+       NEED_AO_OBJECTS && {
+               audiod_errlist_objs="$audiod_errlist_objs ao_write"
+               audiod_cmdline_objs="$audiod_cmdline_objs ao_write"
+       }
+       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))
+
+       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, $names, array of audio formats supported by audiod)
 else
-       have_alsa="yes"
-fi
-if test "$have_alsa" = "yes"; then
-       AC_CHECK_HEADERS([alsa/asoundlib.h], [], [
-               have_alsa="no"
-               AC_MSG_WARN([no alsa/asoundlib $msg])
-       ])
+       build_audiod="no"
 fi
-
-if test "$have_alsa" = "yes"; then
-       AC_CHECK_LIB([asound], [snd_pcm_open], [], [
-               have_alsa="no"
-               AC_MSG_WARN([no libasound $msg])
-       ])
-fi
-
-if test "$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="$fade_ldflags -lasound"
-       all_errlist_objs="$all_errlist_objs alsa_write alsa_mix"
-
-       writers="$writers alsa"
-       default_writer="ALSA_WRITE"
-       mixers="${mixers}alsa "
-       default_mixer="ALSA_MIX"
-fi
-
-CPPFLAGS="$OLD_CPPFLAGS"
-LDFLAGS="$OLD_LDFLAGS"
-LIBS="$OLD_LIBS"
 ########################################################################### fade
-if test -n "$mixers"; then
-       extras="$extras fade"
+if test $HAVE_OSS = yes -o $HAVE_ALSA = yes; then
+       build_fade="yes"
        executables="$executables fade"
-       all_errlist_objs="$all_errlist_objs fade"
-       fade_errlist_objs="$fade_errlist_objs fade exec string fd version ggo"
-       fade_cmdline_objs="add_cmdline(fade)"
-       fade_objs="$fade_cmdline_objs $fade_errlist_objs"
+       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_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]'
@@ -1103,200 +638,382 @@ if test -n "$mixers"; then
                init functions of the supported mixers)
        array="$(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_LD_FLAGS="$LDFLAGS"
-OLD_LIBS="$LIBS"
-
-have_ao="yes"
-AC_ARG_WITH(ao_headers, [AS_HELP_STRING(--with-ao-headers=dir,
-       [look for ao/ao.h also in dir])])
-if test -n "$with_ao_headers"; then
-       ao_cppflags="-I$with_ao_headers"
-       CPPFLAGS="$CPPFLAGS $ao_cppflags"
-fi
-AC_ARG_WITH(ao_libs, [AS_HELP_STRING(--with-ao-libs=dir,
-       [look for libao also in dir])])
-if test -n "$with_ao_libs"; then
-       ao_libs="-L$with_ao_libs"
-       LDFLAGS="$LDFLAGS $ao_libs"
+########################################################################### 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))
+else
+       build_gui="no"
+       AC_MSG_WARN([no curses lib, cannot build para_gui])
 fi
-msg="no libao support for para_audiod/para_write"
-AC_CHECK_HEADERS([ao/ao.h], [
-       ], [
-       have_ao="no"
-       AC_MSG_WARN([ao.h not found, $msg])
-])
-if test "$have_ao" = "yes"; then
-       AC_CHECK_LIB([ao], [ao_initialize], [], [
-               have_ao="no"
-               AC_MSG_WARN([ao lib not found or not working, $msg])
-       ])
+######################################################################## filter
+filters="
+       compress
+       wav
+       amp
+       fecdec
+       wmadec
+       prebuffer
+       sync
+"
+filter_errlist_objs="
+       filter_common
+       wav_filter
+       compress_filter
+       filter
+       string
+       stdin
+       stdout
+       sched
+       fd
+       amp_filter
+       ggo
+       fecdec_filter
+       fec
+       version
+       prebuffer_filter
+       time
+       bitstream
+       imdct
+       wma_common
+       wmadec_filter
+       buffer_tree
+       net
+       sync_filter
+"
+filter_cmdline_objs="
+       filter
+       compress_filter
+       amp_filter
+       prebuffer_filter
+       sync_filter
+"
+NEED_VORBIS_OBJECTS && {
+       filters="$filters oggdec"
+       filter_errlist_objs="$filter_errlist_objs oggdec_filter"
+}
+NEED_SPEEX_OBJECTS && {
+       filters="$filters spxdec"
+       filter_errlist_objs="$filter_errlist_objs spxdec_filter spx_common"
+}
+NEED_OPUS_OBJECTS && {
+       filters="$filters opusdec"
+       filter_errlist_objs="$filter_errlist_objs opusdec_filter opus_common"
+}
+NEED_FLAC_OBJECTS && {
+       filter_errlist_objs="$filter_errlist_objs flacdec_filter"
+       filters="$filters flacdec"
+}
+if test $HAVE_FAAD = yes; then
+       filter_errlist_objs="$filter_errlist_objs aacdec_filter aac_common"
+       filters="$filters aacdec"
 fi
-if test "$have_ao" = "yes"; then
-       AC_CHECK_HEADERS([pthread.h], [
-               ], [
-               have_ao="no"
-               AC_MSG_WARN([pthread.h not found, $msg])
-       ])
+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_ao" = "yes"; then
-       AC_CHECK_LIB([pthread], [pthread_create], [], [
-               have_ao="no"
-               AC_MSG_WARN([pthread lib not found or not working, $msg])
-       ])
+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
-if test "$have_ao" = "yes"; then
-       all_errlist_objs="$all_errlist_objs ao_write"
-       audiod_errlist_objs="$audiod_errlist_objs ao_write"
-       audiod_cmdline_objs="$audiod_cmdline_objs add_cmdline(ao_write)"
-       audiod_ldflags="$audiod_ldflags -lao -lpthread"
+filters="$(echo $filters)"
+AC_SUBST(filters)
+filter_objs="add_cmdline($filter_cmdline_objs) $filter_errlist_objs"
 
-       play_errlist_objs="$play_errlist_objs ao_write"
-       play_cmdline_objs="$play_cmdline_objs add_cmdline(ao_write)"
-       play_ldflags="$play_ldflags -lao -lpthread"
+AC_SUBST(filter_objs, add_dot_o($filter_objs))
 
-       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)
-fi
+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
+"
 
-CPPFLAGS="$OLD_CPPFLAGS"
-LDFLAGS="$OLD_LDFLAGS"
-LIBS="$OLD_LIBS"
-############################################################# readline
-OLD_CPPFLAGS="$CPPFLAGS"
-OLD_LD_FLAGS="$LDFLAGS"
-OLD_LIBS="$LIBS"
+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
+"
+NEED_OGG_OBJECTS && recv_errlist_objs="$recv_errlist_objs ogg_afh_common"
+NEED_VORBIS_OBJECTS && recv_errlist_objs="$recv_errlist_objs ogg_afh"
+NEED_SPEEX_OBJECTS && recv_errlist_objs="$recv_errlist_objs spx_afh spx_common"
+NEED_OPUS_OBJECTS && recv_errlist_objs="$recv_errlist_objs opus_afh opus_common"
+NEED_FLAC_OBJECTS && recv_errlist_objs="$recv_errlist_objs flac_afh"
 
-have_readline="yes"
-AC_ARG_WITH(readline_headers, [AS_HELP_STRING(--with-readline-headers=dir,
-       [look for libreadline header files also in dir])])
-if test -n "$with_readline_headers"; then
-       readline_cppflags="-I$with_readline_headers"
-       CPPFLAGS="$CPPFLAGS $readline_cppflags"
+if test $HAVE_FAAD = yes -a $HAVE_MP4V2 = yes; then
+       recv_errlist_objs="$recv_errlist_objs aac_afh aac_common"
 fi
-
-AC_ARG_WITH(readline_libs, [AS_HELP_STRING(--with-readline-libs=dir,
-       [look for readline library also in dir])])
-if test -n "$with_readline_libs"; then
-       readline_libs="-L$with_readline_libs"
-       LDFLAGS="$LDFLAGS $readline_libs"
+recv_objs="add_cmdline($recv_cmdline_objs) $recv_errlist_objs"
+AC_SUBST(receivers, "http dccp udp afh")
+AC_SUBST(recv_objs, add_dot_o($recv_objs))
+########################################################################### 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
+"
+NEED_OGG_OBJECTS && afh_errlist_objs="$afh_errlist_objs ogg_afh_common"
+NEED_VORBIS_OBJECTS && {
+       afh_errlist_objs="$afh_errlist_objs ogg_afh"
+       audio_format_handlers="$audio_format_handlers ogg"
+}
+NEED_SPEEX_OBJECTS && {
+       afh_errlist_objs="$afh_errlist_objs spx_afh spx_common"
+       audio_format_handlers="$audio_format_handlers spx"
+}
+NEED_OPUS_OBJECTS && {
+       afh_errlist_objs="$afh_errlist_objs opus_afh opus_common"
+       audio_format_handlers="$audio_format_handlers opus"
+}
+NEED_FLAC_OBJECTS && {
+       afh_errlist_objs="$afh_errlist_objs flac_afh"
+       audio_format_handlers="$audio_format_handlers flac"
+}
+if test $HAVE_FAAD = yes -a $HAVE_MP4V2 = yes; then
+       afh_errlist_objs="$afh_errlist_objs aac_afh aac_common"
+       audio_format_handlers="$audio_format_handlers aac"
 fi
-msg="no interactive cli support"
-AC_CHECK_HEADERS([readline/readline.h], [
-       ], [
-       have_readline="no"
-       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, $msg])
-fi
+afh_objs="add_cmdline($afh_cmdline_objs) $afh_errlist_objs"
 
-if test "$have_readline" = "yes"; then
-       readline_libs="$readline_libs -lreadline"
-       AC_SEARCH_LIBS([rl_free_keymap], [readline], [], [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"
-               ], [], [-lcurses])
-       fi
-       if test "$have_readline" = "no"; then # try with -ltermcap
-                # clear cache
-               AC_MSG_NOTICE([trying again with -ltermcap])
-                unset ac_cv_search_rl_free_keymap 2> /dev/null
-               AC_SEARCH_LIBS([rl_free_keymap], [readline], [
-                       have_readline=yes
-                       readline_libs="$readline_libs -ltermcap"
-               ], [], [-ltermcap])
-       fi
+AC_SUBST(afh_objs, add_dot_o($afh_objs))
+########################################################################## play
+play_errlist_objs="
+       play
+       fd
+       sched
+       ggo
+       buffer_tree
+       time
+       string
+       net
+       afh_recv
+       afh_common
+       wma_afh
+       wma_common
+       mp3_afh
+       recv_common
+       udp_recv
+       http_recv
+       dccp_recv
+       filter_common
+       fec
+       bitstream
+       imdct
+       wav_filter
+       compress_filter
+       amp_filter
+       prebuffer_filter
+       fecdec_filter
+       wmadec_filter
+       write_common
+       file_write
+       version
+       sync_filter
+"
+play_cmdline_objs="
+       http_recv
+       dccp_recv
+       udp_recv
+       afh_recv
+       compress_filter
+       amp_filter
+       prebuffer_filter
+       file_write
+       play
+       sync_filter
+"
+if test "$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 "$have_readline" = "yes"; then
-       all_errlist_objs="$all_errlist_objs interactive"
-       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 $readline_libs"
-       AC_SUBST(readline_cppflags)
-       AC_DEFINE(HAVE_READLINE, 1, define to 1 to turn on readline support)
-else
-       AC_MSG_WARN([libreadline not found or unusable])
+NEED_OGG_OBJECTS && play_errlist_objs="$play_errlist_objs ogg_afh_common"
+NEED_VORBIS_OBJECTS && {
+       play_errlist_objs="$play_errlist_objs oggdec_filter ogg_afh"
+}
+NEED_SPEEX_OBJECTS && {
+       play_errlist_objs="$play_errlist_objs spxdec_filter spx_afh spx_common"
+}
+NEED_OPUS_OBJECTS &&
+       play_errlist_objs="$play_errlist_objs
+               opusdec_filter
+               opus_afh
+               opus_common
+       "
+NEED_FLAC_OBJECTS && {
+       play_errlist_objs="$play_errlist_objs flacdec_filter flac_afh"
+}
+if test $HAVE_FAAD = yes; then
+       play_errlist_objs="$play_errlist_objs aacdec_filter"
 fi
-CPPFLAGS="$OLD_CPPFLAGS"
-LDFLAGS="$OLD_LDFLAGS"
-LIBS="$OLD_LIBS"
-############################################################# libsamplerate
-OLD_CPPFLAGS="$CPPFLAGS"
-OLD_LD_FLAGS="$LDFLAGS"
-OLD_LIBS="$LIBS"
-
-have_samplerate="yes"
-AC_ARG_WITH(samplerate_headers, [AS_HELP_STRING(--with-samplerate-headers=dir,
-       [look for samplerate headers also in dir])])
-if test -n "$with_samplerate_headers"; then
-       samplerate_cppflags="-I$with_samplerate_headers"
-       CPPFLAGS="$CPPFLAGS $samplerate_cppflags"
+if test $HAVE_MP4V2 = yes; then
+       play_errlist_objs="$play_errlist_objs aac_afh"
 fi
-AC_ARG_WITH(samplerate_libs, [AS_HELP_STRING(--with-samplerate-libs=dir,
-       [look for samplerate libs also in dir])])
-if test -n "$with_samplerate_libs"; then
-       samplerate_libs="-L$with_samplerate_libs"
-       LDFLAGS="$LDFLAGS $samplerate_libs"
+if test $HAVE_MP4V2 = yes || test $HAVE_FAAD = yes; then
+       play_errlist_objs="$play_errlist_objs aac_common"
 fi
-
-AC_CHECK_HEADER(samplerate.h, [], have_samplerate=no)
-AC_CHECK_LIB([samplerate], [src_process], [], have_samplerate=no, [])
-
-if test "$have_samplerate" = "yes"; then
-       all_errlist_objs="$all_errlist_objs resample_filter"
-       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)"
+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 $HAVE_OSS = yes; then
+       play_errlist_objs="$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="$play_cmdline_objs alsa_write"
+fi
+NEED_AO_OBJECTS && {
+       play_errlist_objs="$play_errlist_objs ao_write"
+       play_cmdline_objs="$play_cmdline_objs ao_write"
+}
+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="$play_cmdline_objs add_cmdline(resample_filter)"
-       filter_ldflags="$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)
-else
-       AC_MSG_WARN([no resample support in para_audiod/para_filter])
+       play_cmdline_objs="$play_cmdline_objs resample_filter"
 fi
-CPPFLAGS="$OLD_CPPFLAGS"
-LDFLAGS="$OLD_LDFLAGS"
-LIBS="$OLD_LIBS"
-############################################################# error2.h
-AC_MSG_NOTICE(creating error2.h)
-for i in $executables; do
-       echo "$i: "
-       eval echo \$${i}_errlist_objs
-done | ./error2.pl > error2.h
-for obj in $all_errlist_objs; do
-       SS="$SS SS_$(echo $obj | tr 'a-z' 'A-Z'),"
-done
-AC_DEFINE_UNQUOTED(DEFINE_ERRLIST_OBJECT_ENUM,
-       [enum {$SS NUM_SS}],
-       [list of all objects that use the paraslash error facility]
-)
 
+play_objs="add_cmdline($play_cmdline_objs) $play_errlist_objs"
+AC_SUBST(play_objs, add_dot_o($play_objs))
+######################################################################### 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
+NEED_AO_OBJECTS && {
+       write_errlist_objs="$write_errlist_objs ao_write"
+       write_cmdline_objs="$write_cmdline_objs ao_write"
+       writers="$writers ao"
+       default_writer="AO_WRITE"
+}
+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))
+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))
 ################################################################## status items
 
 status_items="basename status num_played mtime bitrate frequency file_size
@@ -1326,102 +1043,24 @@ 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:
 ~~~~~~~~~~~~~~~~~~~~~~~~
+crypto lib: ${CRYPTOLIB:-[none]}
 unix socket credentials: $have_ucred
-readline (interactive CLIs): $have_readline
-audio formats handlers: $audio_format_handlers
-id3 version2 support: $have_libid3tag
-filters: $filters
+readline (interactive CLIs): $HAVE_READLINE
+id3 version 2 support: $HAVE_ID3TAG
+faad: $HAVE_FAAD
+mp4v2: $HAVE_MP4V2
+
+audio format handlers: $audio_format_handlers
+filters: $(echo $filters)
 writers: $writers
-optional executables: $extras
-$mixer_summary
+
+para_server: $build_server
+para_gui: $build_gui
+para_fade: $build_fade
+para_client: $build_client
+para_audiod: $build_audiod
 ])