AC_PREREQ(2.60)
AC_INIT(headsetd, 0.01)

AM_INIT_AUTOMAKE([foreign subdir-objects color-tests silent-rules
					tar-pax no-dist-gzip dist-xz])
AC_CONFIG_HEADERS(config.h)
AC_USE_SYSTEM_EXTENSIONS

m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])

AM_MAINTAINER_MODE

AC_PREFIX_DEFAULT(/usr/local)

PKG_PROG_PKG_CONFIG

COMPILER_FLAGS

AC_LANG_C

AC_C_RESTRICT

AC_PROG_CC
AM_PROG_CC_C_O
AC_PROG_INSTALL
AC_PROG_MKDIR_P

m4_define([_LT_AC_TAGCONFIG], [])
m4_ifdef([AC_LIBTOOL_TAGS], [AC_LIBTOOL_TAGS([])])

AC_DISABLE_STATIC
AC_PROG_LIBTOOL

MISC_FLAGS

AC_ARG_ENABLE(threads, AC_HELP_STRING([--enable-threads],
		[enable threading support]), [enable_threads=${enableval}])

AC_CHECK_FUNC(signalfd, dummy=yes,
			AC_MSG_ERROR(signalfd support is required))

AC_CHECK_LIB(rt, clock_gettime, dummy=yes,
			AC_MSG_ERROR(realtime clock support is required))

AC_CHECK_LIB(pthread, pthread_create, dummy=yes,
			AC_MSG_ERROR(posix thread support is required))

AC_CHECK_LIB(dl, dlopen, dummy=yes,
			AC_MSG_ERROR(dynamic linking loader is required))

PKG_CHECK_MODULES(GLIB, glib-2.0 >= 2.28, dummy=yes,
				AC_MSG_ERROR(GLib >= 2.28 is required))
AC_SUBST(GLIB_CFLAGS)
AC_SUBST(GLIB_LIBS)

PKG_CHECK_MODULES(GIO, gio-unix-2.0 >= 2.28, dummy=yes,
				AC_MSG_ERROR(Gio-unix >= 2.28 is required))
AC_SUBST(GIO_CFLAGS)
AC_SUBST(GIO_LIBS)

if (test "${enable_threads}" = "yes"); then
	AC_DEFINE(NEED_THREADS, 1, [Define if threading support is required])
	PKG_CHECK_MODULES(GTHREAD, gthread-2.0 >= 2.16, dummy=yes,
				AC_MSG_ERROR(GThread >= 2.16 is required))
	GLIB_CFLAGS="$GLIB_CFLAGS $GTHREAD_CFLAGS"
	GLIB_LIBS="$GLIB_LIBS $GTHREAD_LIBS"
fi

PKG_CHECK_MODULES(DBUS, dbus-1 >= 1.6, dummy=yes,
				AC_MSG_ERROR(D-Bus >= 1.6 is required))
AC_SUBST(DBUS_CFLAGS)
AC_SUBST(DBUS_LIBS)

AC_ARG_WITH([dbusconfdir], AC_HELP_STRING([--with-dbusconfdir=DIR],
				[path to D-Bus configuration directory]),
					[path_dbusconfdir=${withval}])
if (test -z "${path_dbusconfdir}"); then
	AC_MSG_CHECKING([D-Bus configuration directory])
	path_dbusconfdir="`$PKG_CONFIG --variable=sysconfdir dbus-1`"
	if (test -z "${path_dbusconfdir}"); then
		AC_MSG_ERROR([D-Bus configuration directory is required])
	fi
	AC_MSG_RESULT([${path_dbusconfdir}])
fi
AC_SUBST(DBUS_CONFDIR, [${path_dbusconfdir}])

AC_ARG_WITH([dbussystembusdir], AC_HELP_STRING([--with-dbussystembusdir=DIR],
				[path to D-Bus system bus services directory]),
					[path_dbussystembusdir=${withval}])
if (test -z "${path_dbussystembusdir}"); then
	AC_MSG_CHECKING([D-Bus system bus services dir])
	path_dbussystembusdir="`$PKG_CONFIG --variable=system_bus_services_dir dbus-1`"
	if (test -z "${path_dbussystembusdir}"); then
		AC_MSG_ERROR([D-Bus system bus services directory is required])
	fi
	AC_MSG_RESULT([${path_dbussystembusdir}])
fi
AC_SUBST(DBUS_SYSTEMBUSDIR, [${path_dbussystembusdir}])

AC_ARG_WITH([dbussessionbusdir], AC_HELP_STRING([--with-dbussessionbusdir=DIR],
				[path to D-Bus session bus services directory]),
					[path_dbussessionbusdir=${withval}])
if (test -z "${path_dbussessionbusdir}"); then
	AC_MSG_CHECKING([D-Bus session bus services dir])
	path_dbussessionbusdir="`$PKG_CONFIG --variable=session_bus_services_dir dbus-1`"
	if (test -z "${path_dbussessionbusdir}"); then
		AC_MSG_ERROR([D-Bus session bus services directory is required])
	fi
	AC_MSG_RESULT([${path_dbussessionbusdir}])
fi
AC_SUBST(DBUS_SESSIONBUSDIR, [${path_dbussessionbusdir}])

AC_ARG_ENABLE(library, AC_HELP_STRING([--enable-library],
		[install Bluetooth library]), [enable_library=${enableval}])
AM_CONDITIONAL(LIBRARY, test "${enable_library}" = "yes")

AC_ARG_ENABLE(systemd, AC_HELP_STRING([--disable-systemd],
		[disable systemd integration]), [enable_systemd=${enableval}])
AM_CONDITIONAL(SYSTEMD, test "${enable_systemd}" != "no")

AC_ARG_WITH([systemdsystemunitdir],
			AC_HELP_STRING([--with-systemdsystemunitdir=DIR],
			[path to systemd system unit directory]),
					[path_systemunitdir=${withval}])
if (test "${enable_systemd}" != "no" && test -z "${path_systemunitdir}"); then
	AC_MSG_CHECKING([systemd system unit dir])
	path_systemunitdir="`$PKG_CONFIG --variable=systemdsystemunitdir systemd`"
	if (test -z "${path_systemunitdir}"); then
		AC_MSG_ERROR([systemd system unit directory is required])
	fi
	AC_MSG_RESULT([${path_systemunitdir}])
fi
AC_SUBST(SYSTEMD_SYSTEMUNITDIR, [${path_systemunitdir}])

AC_ARG_WITH([systemduserunitdir],
			AC_HELP_STRING([--with-systemduserunitdir=DIR],
			[path to systemd user unit directory]),
					[path_userunitdir=${withval}])
if (test "${enable_systemd}" != "no" && test -z "${path_userunitdir}"); then
	AC_MSG_CHECKING([systemd user unit dir])
	path_userunitdir="`$PKG_CONFIG --variable=systemduserunitdir systemd`"
	if (test -z "${path_userunitdir}"); then
		AC_MSG_ERROR([systemd user unit directory is required])
	fi
	AC_MSG_RESULT([${path_userunitdir}])
fi
AC_SUBST(SYSTEMD_USERUNITDIR, [${path_userunitdir}])

AC_ARG_ENABLE(datafiles, AC_HELP_STRING([--disable-datafiles],
			[do not install configuration and data files]),
					[enable_datafiles=${enableval}])
AM_CONDITIONAL(DATAFILES, test "${enable_datafiles}" != "no")

AC_ARG_ENABLE(manpages, AC_HELP_STRING([--enable-manpages],
			[enable building of manual pages]),
					[enable_manpages=${enableval}])
AM_CONDITIONAL(MANPAGES, test "${enable_manpages}" = "yes")

if (test "${prefix}" = "NONE"); then
	dnl no prefix and no localstatedir, so default to /var
	if (test "$localstatedir" = '${prefix}/var'); then
		AC_SUBST([localstatedir], ['/var'])
	fi

	prefix="${ac_default_prefix}"
fi

if (test "$localstatedir" = '${prefix}/var'); then
	storagedir="${prefix}/var/lib/headset-daemon"
else
	storagedir="${localstatedir}/lib/headset-daemon"
fi
AC_DEFINE_UNQUOTED(STORAGEDIR, "${storagedir}",
			[Directory for the storage files])

if (test "$sysconfdir" = '${prefix}/etc'); then
	configdir="${prefix}/etc/headsetd"
else
	configdir="${sysconfdir}/headsetd"
fi
AC_DEFINE_UNQUOTED(CONFIGDIR, "${configdir}",
			[Directory for the configuration files])
AC_SUBST(CONFIGDIR, "${configdir}")

AC_OUTPUT(Makefile)