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f30dd7aee69a2dc2f4bef9496995212503c45c80
shairport-sync/configure.ac
T
Mike Brady f30dd7aee6 Enhancements 
Enable the AirPlay 2 build to operate an optional classic-AirPlay-only service or to gracefully degrade to classic AirPlay, as follows:
  1. Add a new command-line option '-—service-type=<type>' and an equivalent configuration entry 'service_type = "<type>"' in the 'general' section of the configuration file,
     where <type> can be "auto", "classic" or "airplay2":
      1. "auto" (default) means that the service will be AirPlay 2 if NQPTP is running. If NQPTP is not running, classic AirPlay service will be provided instead, and in that case,
      "(Classic)" will be appended to the default AirPlay service name visible to AirPlay clients like Apple Music, for example "RaspberryPi3B (Classic)".
      2. "classic" means the service will be classic AirPlay (aka AirPlay 1).
      3. "airplay2" means the service will be the modern AirPlay 2. In this case, as distinct from "auto", if NQPTP is not running, Shairport Sync will log an error and terminate.
  2. In the systemd service file, NQPTP is now a "Want" rather than a "Require". If it's present, then it will be launched before Shairport Sync. If it's absent, Shairport Sync will launch anyway.
  3. Improve the delivery of input format changes and emit 'sdsc' metadata when changes occur.
  4. Emit new format information in the log if statistics is enabled.

Docker Changes
  1. Support for linux/arm/v6 has been dropped, as Docker is no longer supported.
  2. NQPTP is not started in the AirPlay 2 Docker image if '--service-type=classic' or '--service-type=airplay1' is in the command line options at the end of the docker run command.
     The purpose is to ensure that ports 319 and 320 are left alone when the AirPlay 2 image is set to provide Classic service only.
     Note that setting the configuration file 'service_type' to 'classic' will not prevent NQPTP from starting up -- you must use the command line option.
  3. A new "dev" target has been added. It is a large image containing the custom-built FFmpeg library, NQPTP, Avahi and D-Bus along with the Shairport Sync source and
     all necessary development tools. When started, Avahi, D-Bus and NQPTP are all installed and running. The bash shell has also been added and is entered.

Stability Improvements
  Reorganise session preemption to fully terminate the existing session before starting a new one.
  Don't delay closing the event port to wait for it to be closed at the client end.
  Add a safe_socket_close() function to ensure sockets are fully closed. Use -1 to designate closed rather than 0, to prevent attempts to reclose sockets, causing mayhem.
  Re-order FFmpeg decommissioning during teardown.
2026-05-18 09:57:12 +01:00

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# Process this file with autoconf to produce a configure script.
AC_PREREQ([2.50])
AC_INIT([shairport-sync], [5.0.5-dev], [4265913+mikebrady@users.noreply.github.com])
: ${CFLAGS="-O3"}
: ${CXXFLAGS="-O3"}
AM_INIT_AUTOMAKE([subdir-objects])
AC_CONFIG_SRCDIR([shairport.c])
AC_CONFIG_HEADERS([config.h])
AC_PROG_RANLIB
AC_SUBST([HOME], [$HOME])
# Derived from the Avahi configure.ac file
# Specifying the OS type, defaulting to linux.
#
AC_ARG_WITH(os, AS_HELP_STRING([--with-os=OSType],[Specify the distribution to target: One of linux, freebsd, openbsd or darwin]))
if test "z$with_os" = "z"; then
with_os="linux"
fi
with_os=`echo ${with_os} | tr '[[:upper:]]' '[[:lower:]]' `
case "x${with_os}" in
xlinux|xfreebsd|xopenbsd|xdarwin)
;;
*)
AC_MSG_ERROR([--with-os=<arg> argument must be one of linux, freebsd, openbsd or darwin])
;;
esac
# Checks for programs.
AC_PROG_CC
AC_PROG_CXX
AC_CHECK_TOOL(AR, ar, :)
AC_PROG_INSTALL
# see if we have git -- not fatal if we don't
AC_CHECK_PROGS([GIT], [git])
if test -n "$GIT" && test -e "$srcdir/.git/index" ; then
AC_DEFINE([CONFIG_USE_GIT_VERSION_STRING], 1, [Use the version string produced by running 'git describe --dirty'.])
fi
AM_CONDITIONAL([USE_GIT_VERSION], [test -n "$GIT" && test -e "$srcdir/.git/index" ])
# see if we have xmltoman -- not fatal if we don't
AC_CHECK_PROGS([XMLTOMAN], [xmltoman])
AM_CONDITIONAL([USE_XMLTOMAN], [ test -n "$XMLTOMAN" ])
PKG_PROG_PKG_CONFIG([0.9.0])
# Checks for libraries.
if test "x${with_os}" = xlinux -o "x${with_os}" = xfreebsd ; then
AC_CHECK_LIB([rt],[clock_gettime], , AC_MSG_ERROR(librt needed))
fi
if test "x${with_os}" = xopenbsd ; then
AC_CHECK_LIB([c],[clock_gettime], , AC_MSG_ERROR(libc needed))
fi
# Pass the conditionals to automake
AM_CONDITIONAL([BUILD_FOR_LINUX], [test "x${with_os}" = xlinux ])
AM_CONDITIONAL([BUILD_FOR_FREEBSD], [test "x${with_os}" = xfreebsd ])
AM_CONDITIONAL([BUILD_FOR_OPENBSD], [test "x${with_os}" = xopenbsd ])
AM_CONDITIONAL([BUILD_FOR_DARWIN], [test "x${with_os}" = xdarwin ])
##### Some build systems are not fully using pkg-config, so we can use the flag ${with_pkg_config} on a case-by-case basis
##### to control how to deal with them
##### Note -- this flag is sometimes ignored, especially for newer packages
AC_ARG_WITH([pkg_config],[AS_HELP_STRING([--with-pkg-config],[use pkg-config to find libraries])],[],[with_pkg_config=yes])
##### The following check for the pthreads library doesn't put the compiler into the correct pthread mode
##### so we add the -pthread compilation flag in AMFLAGS in the Makefile.am as well.
AC_CHECK_LIB([pthread],[pthread_create], , AC_MSG_ERROR(pthread library needed))
AC_CHECK_LIB([m],[exp], , AC_MSG_ERROR(maths library needed))
if test "x${with_pkg_config}" = xyes ; then
PKG_CHECK_MODULES(
[popt], [popt],
[CFLAGS="${popt_CFLAGS} ${CFLAGS}" LIBS="${popt_LIBS} ${LIBS}"], AC_MSG_ERROR(libpopt needed))
else
AC_CHECK_LIB([popt],[poptGetContext], , AC_MSG_ERROR(libpopt needed))
fi
AC_ARG_WITH([dummy],[AS_HELP_STRING([--with-dummy],[include the dummy audio back end])])
if test "x$with_dummy" = "xyes" ; then
AC_DEFINE([CONFIG_DUMMY], 1, [Include a fake audio backend.])
fi
AM_CONDITIONAL([USE_DUMMY], [test "x$with_dummy" = "xyes" ])
AC_ARG_WITH([stdout],[AS_HELP_STRING([--with-stdout],[include the stdout audio back end])])
if test "x$with_stdout" = "xyes" ; then
AC_DEFINE([CONFIG_STDOUT], 1, [Include an audio backend to output to standard output (stdout).])
fi
AM_CONDITIONAL([USE_STDOUT], [test "x$with_stdout" = "xyes"])
AC_ARG_WITH([pipe],[AS_HELP_STRING([--with-pipe],[build the unix pipe backend (not the PipeWire backend!) into Shairport Sync])])
if test "x$with_pipe" = "xyes" ; then
AC_DEFINE([CONFIG_PIPE], 1, [Include an audio backend to output to a unix pipe.])
fi
AM_CONDITIONAL([USE_PIPE], [test "x$with_pipe" = "xyes" ])
# Check to see if we should include the System V initscript
AC_ARG_WITH([systemv-startup],[AS_HELP_STRING([--with-systemv-startup],[install a System V startup script during a make install])])
AM_CONDITIONAL([INSTALL_SYSTEMV_STARTUP], [test "x$with_systemv_startup" = "xyes"])
# Check to see if we should include the systemd stuff to define it as a service
AC_ARG_WITH([systemd-startup],[AS_HELP_STRING([--with-systemd-startup],[install systemd startup scripts to start Shairport Sync after system startup or after user login])])
AM_CONDITIONAL([INSTALL_SYSTEMD_STARTUP], [test "x$with_systemd_startup" = "xyes"])
AC_ARG_WITH([freebsd-startup],[AS_HELP_STRING([--with-freebsd-startup],[install a FreeBSD startup script to start Shairport Sync after system startup])])
AM_CONDITIONAL([INSTALL_FREEBSD_STARTUP], [test "x$with_freebsd_startup" = "xyes"])
AC_ARG_WITH([cygwin-startup],[AS_HELP_STRING([--with-cygwin-startup],[install a CYGWIN startup script to start Shairport Sync after startup])])
AM_CONDITIONAL([INSTALL_CYGWIN_STARTUP], [test "x$with_cygwin_startup" = "xyes"])
AC_ARG_WITH([external-mdns],[AS_HELP_STRING([--with-external-mdns],[support the use of 'avahi-publish-service' or 'mDNSPublish' to advertise the service on Bonjour/ZeroConf])])
if test "x$with_external_mdns" = xyes ; then
AC_MSG_RESULT(include external mdns support)
AC_DEFINE([CONFIG_EXTERNAL_MDNS], 1, [Use 'avahi-publish-service' or 'mDNSPublish' to advertise the service on Bonjour/ZeroConf])
fi
AM_CONDITIONAL([USE_EXTERNAL_MDNS], [test "x$with_external_mdns" = "xyes" ])
# Check if we want to create user/group (default to yes):
AC_ARG_WITH([create-user-group],[AS_HELP_STRING([--with-create-user-group],[create user/group during a make install])], ,[with_with_create_user_group=yes])
AM_CONDITIONAL([INSTALL_CREATE_USER_GROUP], [test "x$with_with_create_user_group" = "xyes"])
# Add the libconfig package
if test "x${with_pkg_config}" = xyes ; then
PKG_CHECK_MODULES(
[libconfig], [libconfig],
[CFLAGS="${libconfig_CFLAGS} ${CFLAGS}" LIBS="${libconfig_LIBS} ${LIBS}"], AC_MSG_ERROR([libconfig library needed]))
else
AC_CHECK_LIB([config],[config_init], , AC_MSG_ERROR([libconfig library needed]))
fi
AC_ARG_WITH([configfiles],[AS_HELP_STRING([--with-configfiles],[install configuration files during a make install])], ,[with_configfiles=yes])
AM_CONDITIONAL([INSTALL_CONFIG_FILES], [test "x$with_configfiles" = "xyes"])
# Look for piddir flag
AC_ARG_WITH(piddir, [AS_HELP_STRING([--with-piddir=<pathname>],[Specify a pathname to a directory in which to write the PID file.])])
if test "x${with_piddir}" != "x" ; then
AC_MSG_CHECKING(--with-piddir argument)
if test "x${with_piddir}" = x -o "x${with_piddir}" = xyes ; then
AC_MSG_RESULT(not found)
AC_MSG_ERROR(when you use the --with-piddir directive you must specify the pathname of the directory into which the PID file will be written)
fi
AC_MSG_RESULT(${with_piddir})
AC_SUBST(CUSTOM_PID_DIR,["${with_piddir}"])
AC_DEFINE([DEFINED_CUSTOM_PID_DIR],1,[Hook up special proc to libdaemon to point to this directory])
fi
AM_CONDITIONAL([USE_CUSTOMPIDDIR], [ test "x${with_piddir}" != "x" ])
# Look for libdaemon
AC_ARG_WITH(libdaemon,[AS_HELP_STRING([--with-libdaemon],[include support for daemonising in non-systemd systems])])
if test "x$with_libdaemon" = "xyes"; then
AC_DEFINE([CONFIG_LIBDAEMON], 1, [Include libdaemon for daemonising in non-systemd systems])
if test "x${with_pkg_config}" = xyes ; then
PKG_CHECK_MODULES(
[DAEMON], [libdaemon],
[LIBS="${DAEMON_LIBS} ${LIBS}"],
[AC_MSG_ERROR(the libdaemon library has been selected but is missing -- libdaemon-dev suggested!)])
else
AC_CHECK_LIB([daemon],[daemon_fork], , AC_MSG_ERROR(the libdaemon library has been selected but is missing -- libdaemon-dev suggested!))
fi
fi
AM_CONDITIONAL([USE_LIBDAEMON], [test "x$with_libdaemon" = "xyes"])
# Check --with-ssl=argument
AC_ARG_WITH(ssl, [AS_HELP_STRING([--with-ssl=<argument>],[choose --with-ssl=openssl, --with-ssl=mbedtls or --with-ssl=polarssl (deprecated) for encryption services ])])
if test "x${with_ssl}" = xopenssl ; then
AC_DEFINE([CONFIG_OPENSSL], 1, [Use the OpenSSL libraries for encryption and encoding and decoding])
if test "x${with_pkg_config}" = xyes ; then
PKG_CHECK_MODULES(
[SSL], [libssl,libcrypto],
[CFLAGS="${SSL_CFLAGS} ${CFLAGS}" LIBS="${SSL_LIBS} ${LIBS}"])
else
AC_CHECK_LIB([crypto], [main], , AC_MSG_ERROR(libcrypto selected but the library cannot be found!))
AC_CHECK_LIB([ssl], [main], , AC_MSG_ERROR(libssl selected but the library cannot be found!))
fi
elif test "x${with_ssl}" = xmbedtls ; then
AC_DEFINE([CONFIG_MBEDTLS], 1, [Use the mbed TLS libraries for encryption and encoding and decoding])
AC_CHECK_LIB([mbedtls],[mbedtls_ssl_init],,
[AC_MSG_ERROR([mbed tls support requires the mbedtls library -- libmbedtls-dev suggested],1)])
AC_CHECK_LIB([mbedcrypto], [mbedtls_entropy_func],,
[AC_MSG_ERROR([mbed tls support requires the mbedcrypto library -- libmbedcrypto0 suggested],1)])
AC_CHECK_LIB([mbedx509], [mbedtls_pk_init],,
[AC_MSG_ERROR([mbed tls support requires the mbedx509 library -- libmbedx509-0 suggested],1)])
elif test "x${with_ssl}" = xpolarssl ; then
AC_DEFINE([CONFIG_POLARSSL], 1, [Use the PolarSSL libraries for encryption and encoding and decoding])
AC_CHECK_LIB([polarssl],[ssl_init], , AC_MSG_ERROR(PolarSSL is selected but the library libpolarssl-dev does not seem to be installed and is deprecated. Consider selecting mbedtls instead using --with-ssl=mbedtls.))
else
AC_MSG_ERROR(specify one of --with-ssl=openssl or --with-ssl=mbedtls or --with-ssl=polarssl)
fi
# Look for soxr flag
AC_ARG_WITH(soxr, [AS_HELP_STRING([--with-soxr],[choose libsoxr for high-quality interpolation])])
if test "x$with_soxr" = "xyes" ; then
AC_DEFINE([CONFIG_SOXR], 1, [Include support for using the SoX Resampler library for interpolation])
if test "x${with_pkg_config}" = xyes ; then
PKG_CHECK_MODULES(
[soxr], [soxr],
[LIBS="${soxr_LIBS} ${LIBS}"],
[AC_MSG_ERROR(soxr support requires the libsoxr library -- libsoxr-dev suggested!)])
else
AC_CHECK_LIB([avutil],[av_get_cpu_flags])
if test "x${ac_cv_lib_avutil_av_get_cpu_flags}" = xyes ; then
# soxr may link against libavutil, depending on the architecture, but for the sake of simplicity link with it if it is found
AC_CHECK_LIB([soxr],[soxr_create], , AC_MSG_ERROR(soxr support requires the libsoxr library -- libsoxr-dev suggested!), [-lavutil])
else
AC_CHECK_LIB([soxr],[soxr_create], , AC_MSG_ERROR(soxr support requires the libsoxr library -- libsoxr-dev suggested!))
fi
fi
fi
# Look for metadata flag and resolve it further down the script
AC_ARG_WITH(metadata,[AS_HELP_STRING([--with-metadata],[include support for a metadata feed])])
# Look for metadata_pipe flag and resolve it further down the script
AC_ARG_WITH(metadata_pipe,[AS_HELP_STRING([--with-metadata-pipe],[include support for piping metadata out through a unix pipe])])
# Look for metadata_multicast flag and resolve it further down the script
AC_ARG_WITH(metadata_multicast,[AS_HELP_STRING([--with-metadata-multicast],[include support for metadata multicasting])])
# What follows is a bit messy, because if the relevant library is requested, a compiler flag is defined, a file is included in the compilation
# and the relevant link files are added.
# Look for avahi flag
AC_ARG_WITH(avahi, [AS_HELP_STRING([--with-avahi],[choose Avahi-based mDNS support])])
if test "x$with_avahi" = "xyes" ; then
AC_DEFINE([CONFIG_AVAHI], 1, [Include Avahi-based mDNS support.])
AC_CHECK_LIB([avahi-client], [avahi_client_new], , AC_MSG_ERROR(Avahi support requires the avahi-client library!))
AC_CHECK_LIB([avahi-common],[avahi_strerror], , AC_MSG_ERROR(Avahi support requires the avahi-common library!))
systemd_after_args="${systemd_after_args}${systemd_after_args:+ }avahi-daemon.service"
systemd_requires_args="${systemd_requires_args}${systemd_requires_args:+ }avahi-daemon.service"
fi
AM_CONDITIONAL([USE_AVAHI], [test "x$with_avahi" = "xyes"])
# Look for tinysvcmdns flag
AC_ARG_WITH(tinysvcmdns, [AS_HELP_STRING([--with-tinysvcmdns],[choose tinysvcmdns-based mDNS support])])
if test "x$with_tinysvcmdns" = "xyes" ; then
AC_DEFINE([CONFIG_TINYSVCMDNS], 1, [Include TinySVCmDNS-based mDNS support])
fi
AM_CONDITIONAL([USE_TINYSVCMDNS], [test "x$with_tinysvcmdns" = "xyes"])
# Look for ALSA flag
AC_ARG_WITH(alsa, [AS_HELP_STRING([--with-alsa],[choose ALSA API support (GNU/Linux only)])])
if test "x$with_alsa" = "xyes" ; then
AC_DEFINE([CONFIG_ALSA], 1, [Needed by the compiler.])
if test "x${with_pkg_config}" = xyes ; then
PKG_CHECK_MODULES(
[alsa], [alsa],
[LIBS="${alsa_LIBS} ${LIBS}"])
else
AC_CHECK_LIB([asound], [snd_pcm_open], , AC_MSG_ERROR(ALSA support requires the asound library!))
fi
fi
AM_CONDITIONAL([USE_ALSA], [test "x$with_alsa" = "xyes"])
# Look for jack flag
AC_ARG_WITH(jack, [AS_HELP_STRING([--with-jack],[include a Jack Audio Connection Kit (jack) backend])])
if test "x$with_jack" = "xyes" ; then
AC_DEFINE([CONFIG_JACK], 1, [Include a Jack Audio Connection Kit (jack) audio backend])
if test "x${with_pkg_config}" = xyes ; then
PKG_CHECK_MODULES(
[jack], [jack],
[LIBS="${jack_LIBS} ${LIBS}"],
[AC_MSG_ERROR(Jack Audio Connection Kit support requires the jack library -- libjack-dev suggested!)])
else
AC_CHECK_LIB([jack], [jack_client_open], , AC_MSG_ERROR(Jack Audio Connection Kit support requires the jack library -- libjack-dev suggested!))
fi
fi
AM_CONDITIONAL([USE_JACK], [test "x$with_jack" = "xyes"])
# Look for SNDIO flag
AC_ARG_WITH(sndio, [AS_HELP_STRING([--with-sndio],[choose SNDIO API support])])
if test "x$with_sndio" = "xyes" ; then
AC_DEFINE([CONFIG_SNDIO], 1, [Include a sndio-compatible audio backend.])
AC_CHECK_LIB([sndio], [sio_open], , AC_MSG_ERROR(SNDIO support requires the sndio library -- sndio suggested for FreeBSD and libsndio-dev for Debian))
fi
AM_CONDITIONAL([USE_SNDIO], [test "x$with_sndio" = "xyes"])
# Look for AO flag
AC_ARG_WITH(ao, [AS_HELP_STRING([--with-ao],[choose AO (Audio Output?) API support. N.B. no synchronisation -- so underflow or overflow is inevitable!])])
if test "x$with_ao" = "xyes" ; then
AC_DEFINE([CONFIG_AO], 1, [Include an AO-compatible audio backend.])
if test "x${with_pkg_config}" = xyes ; then
PKG_CHECK_MODULES(
[AO], [ao > 1.0.0],
[CFLAGS="${AO_CFLAGS} ${CFLAGS}" LIBS="${AO_LIBS} ${LIBS}"], [AC_MSG_ERROR(AO support requires the ao library -- libao-dev suggested)])
else
AC_CHECK_LIB([ao], [ao_initialize], , AC_MSG_ERROR(AO support requires the ao library -- libao-dev suggested))
fi
fi
AM_CONDITIONAL([USE_AO], [test "x$with_ao" = "xyes"])
# Look for Soundio flag
AC_ARG_WITH(soundio, [AS_HELP_STRING([--with-soundio],[choose soundio API support.])])
if test "x$with_soundio" = "xyes" ; then
AC_DEFINE([CONFIG_SOUNDIO], 1, [Include the SoundIO (libsoundio) backend.])
AC_CHECK_LIB([soundio], [soundio_create], , AC_MSG_ERROR(soundio support requires the libsoundio library -- libsoundio-dev suggested (note: the soundio backend is deprecated and will be removed in a future update)))
AC_MSG_WARN([The soundio (libsoundio) backend is deprecated and will be removed in a future update.])
fi
AM_CONDITIONAL([USE_SOUNDIO], [test "x$with_soundio" = "xyes"])
# Look for pulseaudio flag
AC_ARG_WITH(pulseaudio, [AS_HELP_STRING([--with-pulseaudio],[build the PulseAudio backend into Shairport Sync])])
if test "x$with_pulseaudio" = "xyes" ; then
AC_DEFINE([CONFIG_PULSEAUDIO], 1, [Include PulseAudio support.])
if test "x${with_pkg_config}" = xyes ; then
PKG_CHECK_MODULES(
[PULSEAUDIO], [libpulse >= 0.9.2],
[LIBS="${PULSEAUDIO_LIBS} ${LIBS}"],[AC_MSG_ERROR(PulseAudio support requires the libpulse library -- libpulse-dev suggested!)])
else
AC_CHECK_LIB([pulse-simple], [pa_simple_new], , AC_MSG_ERROR(PulseAudio support requires the libpulse library -- libpulse-dev suggested!))
AC_CHECK_LIB([pulse], [pa_stream_peek], , AC_MSG_ERROR(PulseAudio support requires the libpulse library -- libpulse-dev suggested!))
fi
fi
AM_CONDITIONAL([USE_PULSEAUDIO], [test "x$with_pulseaudio" = "xyes"])
# Look for pipewire flag
AC_ARG_WITH(pipewire, [AS_HELP_STRING([--with-pipewire],[build the Pipewire backend into Shairport Sync.])])
if test "x$with_pipewire" = "xyes" ; then
AC_DEFINE([CONFIG_PIPEWIRE], 1, [Include Pipewire support.])
if test "x${with_pkg_config}" = xyes ; then
PKG_CHECK_MODULES(
PIPEWIRE, libpipewire-0.3 >= 1.0.5,
[CFLAGS="${PIPEWIRE_CFLAGS} ${CFLAGS} -Wno-missing-field-initializers" LIBS="${PIPEWIRE_LIBS} ${LIBS}"],
[AC_MSG_ERROR(Pipewire support requires libpipewire-0.3 version 1.0.5 or later -- libpipewire-0.3-dev suggested!)])
else
AC_CHECK_LIB([pipewire], [pw_stream_queue_buffer], , AC_MSG_ERROR(Pipewire support requires libpipewire-0.3 version 1.1.0 or later -- libpipewire-0.3-dev suggested!))
fi
fi
AM_CONDITIONAL([USE_PIPEWIRE], [test "x$with_pipewire" = "xyes"])
# Look for Convolution flag
AC_ARG_WITH(convolution, [AS_HELP_STRING([--with-convolution],[choose audio DSP convolution support])])
if test "x$with_convolution" = "xyes" ; then
AC_DEFINE([CONFIG_CONVOLUTION], 1, [Include audio DSP convolution support.])
if test "x${with_pkg_config}" = xyes ; then
PKG_CHECK_MODULES(
[sndfile], [sndfile],
[CFLAGS="${sndfile_CFLAGS} ${CFLAGS}"
LIBS="${sndfile_LIBS} ${LIBS}"], AC_MSG_ERROR(Convolution support requires the sndfile library -- libsndfile1-dev suggested!))
else
AC_CHECK_LIB([sndfile], [sf_open], , AC_MSG_ERROR(Convolution support requires the sndfile library -- libsndfile1-dev suggested!))
fi
fi
AM_CONDITIONAL([USE_CONVOLUTION], [test "x$with_convolution" = "xyes"])
# Look for dns_sd flag
AC_ARG_WITH(dns_sd, [AS_HELP_STRING([--with-dns_sd],[choose dns_sd mDNS support])])
if test "x$with_dns_sd" = "xyes" ; then
AC_DEFINE([CONFIG_DNS_SD], 1, [Include dns_sd mDNS support.])
AC_SEARCH_LIBS([DNSServiceRefDeallocate], [dns_sd], , [AC_MSG_ERROR(dns_sd support requires the dns_sd library. Originally in Apple's mDNSResponder but also in libavahi-compat-libdnssd-dev.)])
fi
AM_CONDITIONAL([USE_DNS_SD], [test "x$with_dns_sd" = "xyes"])
# Look for dbus flag
AC_ARG_WITH(dbus-interface, [AS_HELP_STRING([--with-dbus-interface],[include support for the native Shairport Sync D-Bus interface])])
if test "x$with_dbus_interface" = "xyes" ; then
AC_DEFINE([CONFIG_DBUS_INTERFACE], 1, [Support the native Shairport Sync D-Bus interface])
# remember to include glib, below
fi
AM_CONDITIONAL([USE_DBUS], [test "x$with_dbus_interface" = "xyes"])
# Look for dbus test client flag
AC_ARG_WITH(dbus-test-client, [AS_HELP_STRING([--with-dbus-test-client],[compile a D-Bus test client application])])
# remember to include glib, below
AM_CONDITIONAL([USE_DBUS_CLIENT], [test "x$with_dbus_test_client" = "xyes"])
# Look for mpris flag
AC_ARG_WITH(mpris-interface, [AS_HELP_STRING([--with-mpris-interface],[include support for a D-Bus interface conforming to the MPRIS standard])])
if test "x$with_mpris_interface" = "xyes" ; then
AC_DEFINE([CONFIG_MPRIS_INTERFACE], 1, [Support the MPRIS standard])
# remember to include glib, below
fi
AM_CONDITIONAL([USE_MPRIS], [test "x$with_mpris_interface" = "xyes"])
# Look for mpris test client flag
AC_ARG_WITH(mpris-test-client, [AS_HELP_STRING([--with-mpris-test-client],[compile an MPRIS test client application])])
# remember to include glib, below
AM_CONDITIONAL([USE_MPRIS_CLIENT], [test "x$with_mpris_test_client" = "xyes"])
if test "x$with_mpris_test_client" = "xyes" || test "x$with_dbus_test_client" = "xyes" || test "x$with_mpris_interface" = "xyes" || test "x$with_dbus_interface" = "xyes" ; then
PKG_CHECK_MODULES([glib], [gio-unix-2.0 >= 2.30.0],[CFLAGS="${glib_CFLAGS} ${CFLAGS}" LIBS="${glib_LIBS} ${LIBS}"],[AC_MSG_ERROR(the glib 2.0 library is required -- libglib2.0-dev suggested!)])
fi
# Look for mqtt flag
AC_ARG_WITH(mqtt-client, [AS_HELP_STRING([--with-mqtt-client],[include a client for MQTT -- the Message Queuing Telemetry Transport protocol])])
if test "x$with_mqtt_client" = "xyes" ; then
AC_DEFINE([CONFIG_MQTT], 1, [Include a client for MQTT, the Message Queuing Telemetry Transport protocol])
AC_CHECK_LIB([mosquitto], [mosquitto_lib_init], , AC_MSG_ERROR(MQTT support requires the mosquitto library -- libmosquitto-dev suggested!))
fi
AM_CONDITIONAL([USE_MQTT], [test "x$with_mqtt_client" = "xyes"])
if test "x$with_mqtt_client" = "xyes" && test "x$with_avahi" != "xyes" ; then
AC_MSG_WARN([MQTT needs Avahi for remote control functionality. With the current configuration settings, only metadata publishing will be supported.])
fi
if test "x$with_mpris_interface" = "xyes" || test "x$with_dbus_interface" = "xyes" || test "x$with_mqtt_client" = "xyes" ; then
REQUESTED_EXTENDED_METADATA_SUPPORT=1
AC_DEFINE([CONFIG_METADATA_HUB], 1, [Needed by the compiler.])
AC_DEFINE([CONFIG_DACP_CLIENT], 1, [Needed by the compiler.])
fi
AM_CONDITIONAL([USE_METADATA_HUB], [test "x$REQUESTED_EXTENDED_METADATA_SUPPORT" = "x1"])
AM_CONDITIONAL([USE_DACP_CLIENT], [test "x$REQUESTED_EXTENDED_METADATA_SUPPORT" = "x1"])
if test "x$REQUESTED_EXTENDED_METADATA_SUPPORT" = "x1" || test "x$with_metadata" = "xyes" || test "x$with_metadata_pipe" = "xyes" || test "x$with_metadata_multicast" = "xyes" ; then
REQUESTED_METADATA_SUPPORT=1
fi
if test "x$REQUESTED_METADATA_SUPPORT" = "x1" ; then
AC_DEFINE([CONFIG_METADATA], 1, [Needed by the compiler.])
fi
AM_CONDITIONAL([USE_METADATA], [test "x$REQUESTED_METADATA_SUPPORT" = "x1"])
if test "x$with_metadata" = "xyes" ; then
DEFAULT_INCLUDE_PIPE_METADATA=1
fi
if test "x$DEFAULT_INCLUDE_PIPE_METADATA" = "x1" || test "x$with_metadata_pipe" = "xyes" ; then
AC_DEFINE([CONFIG_METADATA_PIPE], 1, [Needed by the compiler.])
fi
AM_CONDITIONAL([USE_METADATA_PIPE], [test "x$DEFAULT_INCLUDE_PIPE_METADATA" = "x1" || test "x$with_metadata_pipe" = "xyes"])
if test "x$with_metadata_multicast" = "xyes" ; then
AC_DEFINE([CONFIG_METADATA_MULTICAST], 1, [Needed by the compiler.])
fi
AM_CONDITIONAL([USE_METADATA_MULTICAST], [test "x$with_metadata_multicast" = "xyes"])
# Look for AirPlay 2 flag
AC_ARG_WITH(airplay-2, [AS_HELP_STRING([--with-airplay-2],[Build for AirPlay 2])])
if test "x$with_airplay_2" = "xyes" ; then
using_ffmpeg=true
AC_DEFINE([CONFIG_AIRPLAY_2], 1, [Build for AirPlay 2])
AC_CHECK_PROG(PLISTUTIL_CHECK,plistutil,yes)
AS_IF([test x"$PLISTUTIL_CHECK" != x"yes"], [AC_MSG_ERROR([plistutil can not be found. Please install plistutil for building for AirPlay 2. Maybe it's in the apt package libplist-utils.])])
AC_CHECK_PROG(XXD_CHECK,xxd,yes)
AS_IF([test x"$XXD_CHECK" != x"yes"], [AC_MSG_ERROR([xxd can not be found. Please install xxd for building for AirPlay 2.])])
LIBPLIST_PACKAGE=libplist
PKG_CHECK_EXISTS(libplist-2.0, LIBPLIST_PACKAGE=libplist-2.0)
PKG_CHECK_MODULES(
[libplist], [${LIBPLIST_PACKAGE} >= 2.3.0],
[CFLAGS="${libplist_CFLAGS} ${CFLAGS}" LIBS="${libplist_LIBS} ${LIBS}" AC_DEFINE([HAVE_LIBPLIST_GE_2_3_0], 1, [libplist >= 2.3.0])],
[PKG_CHECK_MODULES(
[libplist], [${LIBPLIST_PACKAGE} >= 2.0.0],
[CFLAGS="${libplist_CFLAGS} ${CFLAGS}" LIBS="${libplist_LIBS} ${LIBS}"],
[AC_MSG_ERROR(AirPlay 2 support requires libplist 2.0.0 or later -- search for pkg libplist-dev on Debian or libplist-2.2.0 or later on FreeBSD!)]
)]
)
PKG_CHECK_MODULES(
[libsodium], [libsodium],
[CFLAGS="${libsodium_CFLAGS} ${CFLAGS}" LIBS="${libsodium_LIBS} ${LIBS}"],
[AC_MSG_ERROR(AirPlay 2 support requires libsodium -- libsodium-dev suggested)]
)
PKG_CHECK_MODULES(
[libgcrypt], [libgcrypt],
[CFLAGS="${libgcrypt_CFLAGS} ${CFLAGS}" LIBS="${libgcrypt_LIBS} ${LIBS}"],
[AC_CHECK_LIB(
[gcrypt], [gcry_control],
[],
[AC_MSG_ERROR([Airplay 2 support requires libgcrypt -- libgcrypt-dev suggested])]
)
])
AC_CHECK_LIB([uuid],[uuid_generate], [], [AC_MSG_ERROR([AirPlay 2 support requires the uuid library -- uuid-dev suggested])])
systemd_after_args="${systemd_after_args}${systemd_after_args:+ }nqptp.service"
systemd_wants_args="${systemd_wants_args}${systemd_wants_args:+ }nqptp.service"
fi
AM_CONDITIONAL([USE_AIRPLAY_2], [test "x$with_airplay_2" = "xyes"])
# Look for ffmpeg flag
AC_ARG_WITH(ffmpeg, [AS_HELP_STRING([--with-ffmpeg],[Build with FFMPEG support (recommended)])])
if test "x$with_ffmpeg" = "xyes" -o "x$with_airplay_2" = "xyes" ; then
using_ffmpeg=true
AC_DEFINE([CONFIG_FFMPEG], 1, [Include support for FFmpeg decoders, resampler and utilities.])
PKG_CHECK_MODULES(
[libavutil], [libavutil],
[CFLAGS="${libavutil_CFLAGS} ${CFLAGS}" LIBS="${libavutil_LIBS} ${LIBS}"],
[AC_MSG_ERROR(FFmpeg requires libavutil -- libavutil-dev suggested)]
)
PKG_CHECK_MODULES(
[libavcodec], [libavcodec],
[CFLAGS="${libavcodec_CFLAGS} ${CFLAGS}" LIBS="${libavcodec_LIBS} ${LIBS}"],
[AC_CHECK_LIB(
[avcodec], [avcodec_find_decoder],
[],
[AC_MSG_ERROR(FFmpeg requires libavcodec -- libavcodec-dev suggested)]
)]
)
PKG_CHECK_MODULES(
[libavformat], [libavformat],
[CFLAGS="${libavformat_CFLAGS} ${CFLAGS}" LIBS="${libavformat_LIBS} ${LIBS}"],
[AC_CHECK_LIB(
[avformat], [avformat_new_stream],
[],
[AC_MSG_ERROR([FFmpeg requires libavformat -- libavformat-dev suggested])]
)]
)
PKG_CHECK_MODULES(
[libswresample], [libswresample],
[CFLAGS="${libswresample_CFLAGS} ${CFLAGS}" LIBS="${libswresample_LIBS} ${LIBS}"],
[AC_CHECK_LIB(
[swresample], [swr_convert],
[],
[AC_MSG_ERROR([FFmpeg requires libswresample -- libswresample-dev suggested])]
)]
)
else
using_ffmpeg=false
fi
if test $using_ffmpeg = false ; then
AC_DEFINE([CONFIG_HAMMERTON], 1, [Include support for using the ALAC Decoder by David Hammerton (deprecated)])
fi
AM_CONDITIONAL([USE_HAMMERTON], [test $using_ffmpeg = false])
# Look for Apple ALAC flag
AC_ARG_WITH(apple-alac,[AS_HELP_STRING([--with-apple-alac],[include support for the Apple ALAC decoder (deprecated)])])
if test "x${with_apple_alac}" = "xyes" ; then
if test "x${with_airplay_2}" = "xyes" ; then
AC_MSG_ERROR([the Apple ALAC Decoder (deprecated) can not be used in AirPlay 2.])
fi
if test $using_ffmpeg = true ; then
AC_MSG_WARN([the FFMPEG decoder, included in the build, supercedes the Apple ALAC Decoder, which is deprecated. Consider omitting the Apple ALAC Decoder.])
fi
AC_DEFINE([CONFIG_APPLE_ALAC], 1, [Include support for using the Apple ALAC Decoder (deprecated)])
if test "x${with_pkg_config}" = xyes ; then
PKG_CHECK_MODULES([alac], [alac], [LIBS="${alac_LIBS} ${LIBS}"], AC_MSG_ERROR(Apple ALAC Decoder support requires the ALAC library. See https://github.com/mikebrady/alac.))
else
AC_CHECK_LIB([alac], [BitBufferInit], , AC_MSG_ERROR(Apple ALAC Decoder support requires the ALAC library. See https://github.com/mikebrady/alac.))
fi
fi
AM_CONDITIONAL([USE_APPLE_ALAC], [test "x${with_apple_alac}" = "xyes"])
if test "x${with_systemd_startup}" = xyes ; then
# Find systemd unit dir
AC_ARG_WITH([systemdsystemunitdir],
[AS_HELP_STRING([--with-systemdsystemunitdir=DIR], [Directory for systemd service files])],,
[with_systemdsystemunitdir=auto])
AS_IF([test "x$with_systemdsystemunitdir" = "xyes" -o "x$with_systemdsystemunitdir" = "xauto"], [
def_systemdsystemunitdir=$($PKG_CONFIG --variable=systemdsystemunitdir systemd)
AS_IF([test "x$def_systemdsystemunitdir" = "x"],
[AS_IF([test "x$with_systemdsystemunitdir" = "xyes" -o "x$with_systemdsystemunitdir" = "xauto"],
[AC_MSG_ERROR([pkg-config unable to query systemd package -- install systemd-dev package suggested])])
with_systemdsystemunitdir=no],
[with_systemdsystemunitdir="$def_systemdsystemunitdir"])])
AS_IF([test "x$with_systemdsystemunitdir" != "xno"],
[AC_SUBST([systemdsystemunitdir], [$with_systemdsystemunitdir])])
fi
# Checks for header files.
AC_CHECK_HEADERS([getopt_long.h])
AC_CHECK_HEADERS([arpa/inet.h fcntl.h limits.h mach/mach.h memory.h netdb.h netinet/in.h stdint.h stdlib.h string.h sys/ioctl.h sys/socket.h sys/time.h syslog.h unistd.h])
# Checks for typedefs, structures, and compiler characteristics.
AC_C_INLINE
AC_TYPE_INT16_T
AC_TYPE_INT32_T
AC_TYPE_INT64_T
AC_TYPE_PID_T
AC_TYPE_SIZE_T
AC_TYPE_SSIZE_T
AC_TYPE_UINT16_T
AC_TYPE_UINT32_T
AC_TYPE_UINT64_T
AC_TYPE_UINT8_T
# Checks for library functions.
AC_FUNC_ALLOCA
AC_FUNC_ERROR_AT_LINE
AC_FUNC_FORK
AC_CHECK_FUNCS([atexit clock_gettime gethostname inet_ntoa memchr memmove memset mkfifo pow select socket stpcpy strcasecmp strchr strdup strerror strstr strtol strtoul])
if test "x${systemd_after_args}" != x ; then
systemd_after_args="After=${systemd_after_args}"
fi
if test "x${systemd_requires_args}" != x ; then
systemd_requires_args="Requires=${systemd_requires_args}"
fi
if test "x${systemd_wants_args}" != x ; then
systemd_wants_args="Wants=${systemd_wants_args}"
fi
AC_SUBST([SYSTEMD_AFTER_ARGS], [${systemd_after_args}])
AC_SUBST([SYSTEMD_REQUIRES_ARGS], [${systemd_requires_args}])
AC_SUBST([SYSTEMD_WANTS_ARGS], [${systemd_wants_args}])
# The man directory will not be recursively made unless you set the SUBDIR in Makefile.am.
# But leave this as is to enable a distclean to be done.
AC_CONFIG_FILES([Makefile man/Makefile])
AC_CONFIG_FILES([scripts/shairport-sync.service])
AC_CONFIG_FILES([scripts/shairport-sync],[chmod +x scripts/shairport-sync])
AC_OUTPUT
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