################################################################################
  #
  # avahi
  #
  ################################################################################
  
  #
  # This program is free software; you can redistribute it
  # and/or modify it under the terms of the GNU Lesser General
  # Public License as published by the Free Software Foundation
  # either version 2.1 of the License, or (at your option) any
  # later version.
  
  AVAHI_VERSION = 0.6.32
  AVAHI_SITE = https://github.com/lathiat/avahi/releases/download/v$(AVAHI_VERSION)
  AVAHI_LICENSE = LGPLv2.1+
  AVAHI_LICENSE_FILES = LICENSE
  AVAHI_INSTALL_STAGING = YES
  
  AVAHI_CONF_ENV = \
  	ac_cv_func_strtod=yes \
  	ac_fsusage_space=yes \
  	fu_cv_sys_stat_statfs2_bsize=yes \
  	ac_cv_func_closedir_void=no \
  	ac_cv_func_getloadavg=no \
  	ac_cv_lib_util_getloadavg=no \
  	ac_cv_lib_getloadavg_getloadavg=no \
  	ac_cv_func_getgroups=yes \
  	ac_cv_func_getgroups_works=yes \
  	ac_cv_func_chown_works=yes \
  	ac_cv_have_decl_euidaccess=no \
  	ac_cv_func_euidaccess=no \
  	ac_cv_have_decl_strnlen=yes \
  	ac_cv_func_strnlen_working=yes \
  	ac_cv_func_lstat_dereferences_slashed_symlink=yes \
  	ac_cv_func_lstat_empty_string_bug=no \
  	ac_cv_func_stat_empty_string_bug=no \
  	vb_cv_func_rename_trailing_slash_bug=no \
  	ac_cv_have_decl_nanosleep=yes \
  	jm_cv_func_nanosleep_works=yes \
  	gl_cv_func_working_utimes=yes \
  	ac_cv_func_utime_null=yes \
  	ac_cv_have_decl_strerror_r=yes \
  	ac_cv_func_strerror_r_char_p=no \
  	jm_cv_func_svid_putenv=yes \
  	ac_cv_func_getcwd_null=yes \
  	ac_cv_func_getdelim=yes \
  	ac_cv_func_mkstemp=yes \
  	utils_cv_func_mkstemp_limitations=no \
  	utils_cv_func_mkdir_trailing_slash_bug=no \
  	jm_cv_func_gettimeofday_clobber=no \
  	am_cv_func_working_getline=yes \
  	gl_cv_func_working_readdir=yes \
  	jm_ac_cv_func_link_follows_symlink=no \
  	utils_cv_localtime_cache=no \
  	ac_cv_struct_st_mtim_nsec=no \
  	gl_cv_func_tzset_clobber=no \
  	gl_cv_func_getcwd_null=yes \
  	gl_cv_func_getcwd_path_max=yes \
  	ac_cv_func_fnmatch_gnu=yes \
  	am_getline_needs_run_time_check=no \
  	am_cv_func_working_getline=yes \
  	gl_cv_func_mkdir_trailing_slash_bug=no \
  	gl_cv_func_mkstemp_limitations=no \
  	ac_cv_func_working_mktime=yes \
  	jm_cv_func_working_re_compile_pattern=yes \
  	ac_use_included_regex=no \
  	avahi_cv_sys_cxx_works=yes \
  	DATADIRNAME=share
  
  # Note: even if we have Gtk2 and Gtk3 support in Buildroot, we
  # explicitly disable support for them, in order to avoid the following
  # circular dependencies:
  #
  #  avahi -> libglade -> libgtk2 -> cups -> avahi
  #  avahi -> libgtk3 -> cups -> avahi
  #
  # Since Gtk2 and Gtk3 in Avahi are only used for some example/demo
  # programs, we decided to disable their support to solve the circular
  # dependency.
  AVAHI_CONF_OPTS = \
  	--disable-qt3 \
  	--disable-qt4 \
  	--disable-gtk \
  	--disable-gtk3 \
  	--disable-gdbm \
  	--disable-pygtk \
  	--disable-mono \
  	--disable-monodoc \
  	--disable-stack-protector \
  	--with-distro=none \
  	--disable-manpages \
  	$(if $(BR2_PACKAGE_AVAHI_AUTOIPD),--enable,--disable)-autoipd \
  	--with-avahi-user=avahi \
  	--with-avahi-group=avahi \
  	--with-autoipd-user=avahi \
  	--with-autoipd-group=avahi
  
  AVAHI_DEPENDENCIES = \
  	$(if $(BR2_NEEDS_GETTEXT_IF_LOCALE),gettext) host-intltool \
  	host-pkgconf host-gettext
  
  AVAHI_CFLAGS = $(TARGET_CFLAGS)
  
  ifeq ($(BR2_PACKAGE_SYSTEMD),y)
  AVAHI_CONF_OPTS += --with-systemdsystemunitdir=/usr/lib/systemd/system
  else
  AVAHI_CONF_OPTS += --with-systemdsystemunitdir=no
  AVAHI_CFLAGS += -DDISABLE_SYSTEMD
  endif
  
  ifneq ($(BR2_PACKAGE_AVAHI_DAEMON)$(BR2_PACKAGE_AVAHI_AUTOIPD),)
  AVAHI_DEPENDENCIES += libdaemon
  else
  AVAHI_CONF_OPTS += --disable-libdaemon
  endif
  
  ifeq ($(BR2_PACKAGE_LIBCAP),y)
  AVAHI_DEPENDENCIES += libcap
  endif
  
  ifeq ($(BR2_PACKAGE_AVAHI_DAEMON),y)
  AVAHI_DEPENDENCIES += expat
  AVAHI_CONF_OPTS += --with-xml=expat
  else
  AVAHI_CONF_OPTS += --with-xml=none
  endif
  
  ifeq ($(BR2_PACKAGE_AVAHI_LIBDNSSD_COMPATIBILITY),y)
  AVAHI_CONF_OPTS += --enable-compat-libdns_sd
  endif
  
  ifeq ($(BR2_PACKAGE_DBUS),y)
  AVAHI_DEPENDENCIES += dbus
  else
  AVAHI_CONF_OPTS += --disable-dbus
  endif
  
  ifeq ($(BR2_PACKAGE_LIBGLIB2),y)
  AVAHI_DEPENDENCIES += libglib2
  else
  AVAHI_CONF_OPTS += --disable-glib --disable-gobject
  endif
  
  ifeq ($(BR2_PACKAGE_PYTHON),y)
  AVAHI_CONF_ENV += \
  	am_cv_pathless_PYTHON=python \
  	am_cv_path_PYTHON=$(PYTHON_TARGET_BINARY) \
  	am_cv_python_version=$(PYTHON_VERSION) \
  	am_cv_python_platform=linux2 \
  	am_cv_python_pythondir=/usr/lib/python$(PYTHON_VERSION_MAJOR)/site-packages \
  	am_cv_python_pyexecdir=/usr/lib/python$(PYTHON_VERSION_MAJOR)/site-packages \
  	py_cv_mod_socket_=yes
  
  AVAHI_DEPENDENCIES += python
  AVAHI_CONF_OPTS += --enable-python
  else
  AVAHI_CONF_OPTS += --disable-python
  endif
  
  ifeq ($(BR2_PACKAGE_DBUS_PYTHON),y)
  AVAHI_CONF_OPTS += --enable-python-dbus
  AVAHI_CONF_ENV += py_cv_mod_dbus_=yes
  AVAHI_DEPENDENCIES += dbus-python
  else
  AVAHI_CONF_OPTS += --disable-python-dbus
  endif
  
  AVAHI_CONF_ENV += CFLAGS="$(AVAHI_CFLAGS)"
  
  AVAHI_MAKE_OPTS += $(if $(BR2_NEEDS_GETTEXT_IF_LOCALE),LIBS=-lintl)
  
  define AVAHI_USERS
  	avahi -1 avahi -1 * - - -
  endef
  
  define AVAHI_REMOVE_INITSCRIPT
  	rm -rf $(TARGET_DIR)/etc/init.d/avahi-*
  endef
  
  AVAHI_POST_INSTALL_TARGET_HOOKS += AVAHI_REMOVE_INITSCRIPT
  
  ifeq ($(BR2_PACKAGE_AVAHI_AUTOIPD),y)
  define AVAHI_INSTALL_AUTOIPD
  	rm -f $(TARGET_DIR)/var/lib/avahi-autoipd
  	$(INSTALL) -d -m 0755 $(TARGET_DIR)/var/lib
  	ln -sf /tmp/avahi-autoipd $(TARGET_DIR)/var/lib/avahi-autoipd
  endef
  
  define AVAHI_INSTALL_AUTOIPD_INIT_SYSV
  	$(INSTALL) -D -m 0755 package/avahi/S05avahi-setup.sh $(TARGET_DIR)/etc/init.d/S05avahi-setup.sh
  endef
  
  AVAHI_POST_INSTALL_TARGET_HOOKS += AVAHI_INSTALL_AUTOIPD
  endif
  
  ifeq ($(BR2_PACKAGE_AVAHI_DAEMON),y)
  
  define AVAHI_INSTALL_INIT_SYSTEMD
  	mkdir -p $(TARGET_DIR)/etc/systemd/system/multi-user.target.wants
  
  	ln -fs ../../../../usr/lib/systemd/system/avahi-daemon.service \
  		$(TARGET_DIR)/etc/systemd/system/multi-user.target.wants/avahi-daemon.service
  
  	ln -fs ../../../../usr/lib/systemd/system/avahi-dnsconfd.service \
  		$(TARGET_DIR)/etc/systemd/system/multi-user.target.wants/avahi-dnsconfd.service
  
  	$(INSTALL) -D -m 644 package/avahi/avahi_tmpfiles.conf \
  		$(TARGET_DIR)/usr/lib/tmpfiles.d/avahi.conf
  endef
  
  define AVAHI_INSTALL_DAEMON_INIT_SYSV
  	$(INSTALL) -D -m 0755 package/avahi/S50avahi-daemon $(TARGET_DIR)/etc/init.d/S50avahi-daemon
  endef
  
  endif
  
  define AVAHI_INSTALL_INIT_SYSV
  	$(AVAHI_INSTALL_AUTOIPD_INIT_SYSV)
  	$(AVAHI_INSTALL_DAEMON_INIT_SYSV)
  endef
  
  ifeq ($(BR2_PACKAGE_AVAHI_LIBDNSSD_COMPATIBILITY),y)
  # applications expects to be able to #include <dns_sd.h>
  define AVAHI_STAGING_INSTALL_LIBDNSSD_LINK
  	ln -sf avahi-compat-libdns_sd/dns_sd.h \
  		$(STAGING_DIR)/usr/include/dns_sd.h
  endef
  
  AVAHI_POST_INSTALL_STAGING_HOOKS += AVAHI_STAGING_INSTALL_LIBDNSSD_LINK
  endif
  
  $(eval $(autotools-package))