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dnl -*- mode: m4 -*-
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AC_PREREQ([2.63])
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m4_define([dbus_major_version], [1])
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m4_define([dbus_minor_version], [12])
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m4_define([dbus_micro_version], [11])
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m4_define([dbus_version],
          [dbus_major_version.dbus_minor_version.dbus_micro_version])
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AC_INIT([dbus],[dbus_version],[https://bugs.freedesktop.org/enter_bug.cgi?product=dbus],[dbus])
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AC_CONFIG_AUX_DIR([build-aux])
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m4_pattern_forbid([^AX_],
  [Unexpanded AX_ macro found. Please install GNU autoconf-archive])

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AC_CANONICAL_HOST
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AC_CONFIG_HEADERS([config.h])
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AC_CONFIG_MACRO_DIR([m4])

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AM_INIT_AUTOMAKE([1.13 tar-ustar -Wno-portability subdir-objects])
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GETTEXT_PACKAGE=dbus-1
AC_SUBST(GETTEXT_PACKAGE)
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AC_DEFINE_UNQUOTED(GETTEXT_PACKAGE,"$GETTEXT_PACKAGE",[The name of the gettext domain])
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# By default, rebuild autotools files on demand; only use ./missing if the
# user says --disable-maintainer-mode (some distributions like to do this)
AM_MAINTAINER_MODE([enable])
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m4_ifdef([AM_SILENT_RULES],[AM_SILENT_RULES([yes])])

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AC_DEFINE_UNQUOTED(DBUS_DAEMON_NAME,"dbus-daemon",[Name of executable])

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# libtool versioning - this applies to libdbus
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#
# See http://sources.redhat.com/autobook/autobook/autobook_91.html#SEC91 for details
#
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## increment if the interface has additions, changes, removals.
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LT_CURRENT=22
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## increment any time the source changes; set to
##  0 if you increment CURRENT
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LT_REVISION=8
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## increment if any interfaces have been added; set to 0
## if any interfaces have been changed or removed. removal has
## precedence over adding, so set to 0 if both happened.
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LT_AGE=19
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AC_SUBST(LT_CURRENT)
AC_SUBST(LT_REVISION)
AC_SUBST(LT_AGE)
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SOVERSION=`expr ${LT_CURRENT} - ${LT_AGE}`
AC_SUBST([SOVERSION])
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DBUS_MAJOR_VERSION=dbus_major_version
DBUS_MINOR_VERSION=dbus_minor_version
DBUS_MICRO_VERSION=dbus_micro_version
DBUS_VERSION=dbus_major_version.dbus_minor_version.dbus_micro_version

AC_SUBST(DBUS_MAJOR_VERSION)
AC_SUBST(DBUS_MINOR_VERSION)
AC_SUBST(DBUS_MICRO_VERSION)
AC_SUBST(DBUS_VERSION)
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dnl
dnl Build configuration
dnl

dnl This must come first: other options use this to set their defaults. Don't
dnl enable developer mode on production builds.
AC_ARG_ENABLE([developer],
  [AS_HELP_STRING([--enable-developer],
    [set defaults to be appropriate for a D-Bus developer instead of a distribution/end-user])],
  [enable_developer=$enableval],
  [enable_developer=no])

dnl 'disable_developer' is the negation of 'enable_developer'. If
dnl 'enable-developer' is set to 'no' (the default), the value of
dnl 'disable_developer' is set to 'yes', and vice versa. It's used
dnl for macros that require the opposite of 'enable_developer', such
dnl as several AX_ macros.
dnl See https://bugs.freedesktop.org/show_bug.cgi?id=97357
AS_IF([test "x$enable_developer" = "xyes"],[
    disable_developer=no
  ],[
    disable_developer=yes
  ])

# The debugging check must run before the compiler tests. Other command-line
# options also use it to set their defaults. We disable debugging by default,
# except for developer builds.
AX_CHECK_ENABLE_DEBUG([$enable_developer])

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AC_PROG_CC
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AM_PROG_CC_C_O
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AC_PROG_CXX
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AC_USE_SYSTEM_EXTENSIONS
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AC_SYS_LARGEFILE
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AC_ISC_POSIX
AC_HEADER_STDC
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AC_C_INLINE
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AM_PROG_LIBTOOL
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AC_PROG_MKDIR_P
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PKG_PROG_PKG_CONFIG
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# TAP test driver support
AC_PROG_AWK
AC_REQUIRE_AUX_FILE([tap-driver.sh])

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# This must come before we set up compiler warnings because it assumes
# non-use of -Werror=missing-prototypes
gl_VISIBILITY
AM_CONDITIONAL([HAVE_VISIBILITY], [test "x$HAVE_VISIBILITY" = x1])

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# Initialize libtool
LT_INIT([win32-dll])
LT_LANG([Windows Resource])

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# Set some internal variables depending on the platform for later use.
dbus_win=no
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dbus_cygwin=no
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dbus_unix=no
case "${host}" in
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    *-mingw32ce*)
        dbus_win=yes
        dbus_wince=yes
        ;;
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    *-mingw32*)
        dbus_win=yes
        ;;
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    *-cygwin*)
        dbus_cygwin=yes
        dbus_unix=yes
        ;;
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    *)
        dbus_unix=yes
       ;;
esac

# Special defines for certain platforms
if test "$dbus_win" = yes; then
    AC_DEFINE(DBUS_WIN,1,[Defined if we run on a W32 API based system])
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    # Yes, on Windows it really does work like this.
    # http://support.microsoft.com/kb/111855
    AC_DEFINE(FD_SETSIZE,8192,[The maximum number of connections that can be handled at once])
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    BUILD_TIMESTAMP=`date --iso-8601=minutes`
    AC_SUBST(BUILD_TIMESTAMP)
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    # Assume DBUS_VERSION is always three numbers
    BUILD_FILEVERSION=`echo "$DBUS_VERSION" | sed -e 's/\./,/g'`,0
    AC_SUBST(BUILD_FILEVERSION)
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    AS_IF([test -z "$RC"],
        [AC_MSG_ERROR([An implementation of windres is required])])
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    if test "$dbus_wince" = yes; then
      AC_DEFINE(DBUS_WINCE,1,[Defined if we run on a W32 CE API based system])
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      AC_DEFINE(_WIN32_WCE, 0x0502, [Defined to get newer W32 CE APIs])
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    fi
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else
    AC_DEFINE(DBUS_UNIX,1,[Defined if we run on a Unix-based system])
fi
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if test "$dbus_cygwin" = yes; then
    AC_DEFINE(DBUS_CYGWIN,1,[Defined if we run on a cygwin API based system])
fi
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# For best security, assume that all non-Windows platforms can do
# credentials-passing.
AS_IF([test "$dbus_win" = yes],
    [DBUS_SESSION_CONF_MAYBE_AUTH_EXTERNAL="<!--<auth>EXTERNAL</auth>-->"],
    [DBUS_SESSION_CONF_MAYBE_AUTH_EXTERNAL="<auth>EXTERNAL</auth>"])
AC_SUBST([DBUS_SESSION_CONF_MAYBE_AUTH_EXTERNAL])

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AM_CONDITIONAL(DBUS_WIN, test "$dbus_win" = yes)
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AM_CONDITIONAL(DBUS_WINCE, test "$dbus_wince" = yes)
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AM_CONDITIONAL(DBUS_UNIX, test "$dbus_unix" = yes)
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AM_CONDITIONAL(DBUS_CYGWIN, test "$dbus_cygwin" = yes)
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DBUS_STATIC_BUILD_CPPFLAGS=
if test "x$enable_shared" = xno; then
    # On Windows, linking against the static library requires special effort
    # to turn off DLL import/export processing. We normally link some things
    # against the dynamic library, but if we're not building that, we'll
    # have to link everything statically.
    DBUS_STATIC_BUILD_CPPFLAGS=-DDBUS_STATIC_BUILD
fi
AC_SUBST([DBUS_STATIC_BUILD_CPPFLAGS])

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AC_ARG_ENABLE(ansi, AS_HELP_STRING([--enable-ansi],[enable -ansi -pedantic gcc flags]),enable_ansi=$enableval,enable_ansi=no)
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AC_ARG_ENABLE(verbose-mode, AS_HELP_STRING([--enable-verbose-mode],[support verbose debug mode]),enable_verbose_mode=$enableval,enable_verbose_mode=$enable_developer)
AC_ARG_ENABLE(asserts, AS_HELP_STRING([--enable-asserts],[include assertion checks]),enable_asserts=$enableval,enable_asserts=$enable_developer)
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AC_ARG_ENABLE(checks, AS_HELP_STRING([--enable-checks],[include sanity checks on public API]),enable_checks=$enableval,enable_checks=yes)
AC_ARG_ENABLE(xml-docs, AS_HELP_STRING([--enable-xml-docs],[build XML documentation (requires xmlto)]),enable_xml_docs=$enableval,enable_xml_docs=auto)
AC_ARG_ENABLE(doxygen-docs, AS_HELP_STRING([--enable-doxygen-docs],[build DOXYGEN documentation (requires Doxygen)]),enable_doxygen_docs=$enableval,enable_doxygen_docs=auto)
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AC_ARG_ENABLE([ducktype-docs],
              AS_HELP_STRING([--enable-ducktype-docs],
                             [build Ducktype documentation (requires Ducktype)]),
              [enable_ducktype_docs=$enableval], [enable_ducktype_docs=auto])
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AC_ARG_ENABLE(selinux, AS_HELP_STRING([--enable-selinux],[build with SELinux support]),enable_selinux=$enableval,enable_selinux=auto)
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AC_ARG_ENABLE([apparmor],
  [AS_HELP_STRING([--enable-apparmor], [build with AppArmor support])],
  [enable_apparmor=$enableval],
  [enable_apparmor=auto])
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AC_ARG_ENABLE(libaudit,AS_HELP_STRING([--enable-libaudit],[build audit daemon support for SELinux]),enable_libaudit=$enableval,enable_libaudit=auto)
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AC_ARG_ENABLE(inotify, AS_HELP_STRING([--enable-inotify],[build with inotify support (linux only)]),enable_inotify=$enableval,enable_inotify=auto)
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AC_ARG_ENABLE(kqueue, AS_HELP_STRING([--enable-kqueue],[build with kqueue support]),enable_kqueue=$enableval,enable_kqueue=auto)
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AC_ARG_ENABLE(console-owner-file, AS_HELP_STRING([--enable-console-owner-file],[enable console owner file]),enable_console_owner_file=$enableval,enable_console_owner_file=auto)
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AC_ARG_ENABLE(launchd, AS_HELP_STRING([--enable-launchd],[build with launchd auto-launch support]),enable_launchd=$enableval,enable_launchd=auto)
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AC_ARG_ENABLE(systemd, AS_HELP_STRING([--enable-systemd],[build with systemd at_console support]),enable_systemd=$enableval,enable_systemd=auto)
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AC_ARG_WITH(session-socket-dir, AS_HELP_STRING([--with-session-socket-dir=[dirname]],[Where to put sockets for the per-login-session message bus]))
AC_ARG_WITH(test-socket-dir, AS_HELP_STRING([--with-test-socket-dir=[dirname]],[Where to put sockets for make check]))
AC_ARG_WITH(system-pid-file, AS_HELP_STRING([--with-system-pid-file=[pidfile]],[PID file for systemwide daemon]))
AC_ARG_WITH(system-socket, AS_HELP_STRING([--with-system-socket=[filename]],[UNIX domain socket for systemwide daemon]))
AC_ARG_WITH(console-auth-dir, AS_HELP_STRING([--with-console-auth-dir=[dirname]],[directory to check for console ownerhip]))
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AC_ARG_WITH(console-owner-file, AS_HELP_STRING([--with-console-owner-file=[filename]],[file whose owner determines current console owner]))
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AC_ARG_WITH(launchd-agent-dir, AS_HELP_STRING([--with-launchd-agent-dir=[dirname]],[directory to put the launchd agent (default: /Library/LaunchAgents)]))
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AC_ARG_WITH(dbus_user, AS_HELP_STRING([--with-dbus-user=<user>],[User for running the DBUS daemon (messagebus)]))
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AC_ARG_WITH([test_user],
  [AS_HELP_STRING([--with-test-user=<user>],
    [Unprivileged user for regression tests, other than root and the dbus_user (default: nobody)])])
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AC_ARG_WITH(dbus_daemondir, AS_HELP_STRING([--with-dbus-daemondir=[dirname]],[Directory for installing the DBUS daemon]))
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AC_ARG_ENABLE([embedded-tests],
  AS_HELP_STRING([--enable-embedded-tests],
    [enable unit test code in the library and binaries]),
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  [], [enable_embedded_tests=$enable_developer])
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AC_ARG_ENABLE([modular-tests],
  AS_HELP_STRING([--enable-modular-tests],
    [enable modular regression tests (requires GLib)]),
  [], [enable_modular_tests=auto])
# --enable-tests overrides both --enable-embedded-tests and
# --enable-modular-tests
AC_ARG_ENABLE([tests],
  AS_HELP_STRING([--enable-tests],
    [enable/disable all tests, overriding embedded-tests/modular-tests]),
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  [
  if test "x$enableval" = xyes; then
    AC_MSG_NOTICE([Full test coverage was requested with --enable-tests=yes])
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    AC_MSG_NOTICE([This has many dependencies (GLib, Python etc.)])
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  fi
  enable_embedded_tests=$enableval
  enable_modular_tests=$enableval
  ],
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  [])

# DBUS_ENABLE_EMBEDDED_TESTS controls unit tests built in to .c files
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# and also some stuff in the test/ subdir.
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AM_CONDITIONAL([DBUS_ENABLE_EMBEDDED_TESTS],
  [test "x$enable_embedded_tests" = xyes])
if test "x$enable_embedded_tests" = xyes; then
    AC_DEFINE([DBUS_ENABLE_EMBEDDED_TESTS], [1],
      [Define to build test code into the library and binaries])
fi

# DBUS_ENABLE_MODULAR_TESTS controls tests that work based on public API.
# These use GTest, from GLib, because life's too short. They're enabled by
# default (unless you don't have GLib), because they don't bloat the library
# or binaries.
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dnl Don't do anything too subtle here, because the CMake build system
dnl parses these lines with regular expressions. If necessary, adjust
dnl cmake/modules/MacrosAutotools.cmake to compensate.
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AC_DEFINE([GLIB_VERSION_MIN_REQUIRED], [GLIB_VERSION_2_40], [Ignore post-2.40 deprecations])
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AC_DEFINE([GLIB_VERSION_MAX_ALLOWED], [G_ENCODE_VERSION(2,44)], [Prevent post-2.44 APIs])
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with_glib=yes

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AS_IF([test "x$enable_modular_tests" != xno],
  [
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  PKG_CHECK_MODULES([GLIB], [glib-2.0 >= 2.40, gio-2.0 >= 2.40],
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    [
      AS_IF([test "x$dbus_unix" = xyes],
        [PKG_CHECK_MODULES([GIO_UNIX], [gio-unix-2.0],
           [AC_DEFINE([HAVE_GIO_UNIX], [1], [Define if you have gio-unix-2.0])], [])])
    ],
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    [if test "x$enable_modular_tests" = xyes; then
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      AC_MSG_NOTICE([Full test coverage (--enable-modular-tests=yes or --enable-tests=yes) requires GLib])
      AC_MSG_ERROR([$GLIB_ERRORS])
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    else # assumed to be "auto"
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      with_glib=no
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    fi])
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  ],
  [with_glib=no])

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if test "x$enable_modular_tests" != xno; then
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  AC_DEFINE([DBUS_ENABLE_MODULAR_TESTS], [1],
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    [Define to build independent test binaries])
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fi
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AM_CONDITIONAL([DBUS_ENABLE_MODULAR_TESTS],
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  [test "x$enable_modular_tests" != xno])

if test "x$with_glib" != xno; then
  AC_DEFINE([DBUS_WITH_GLIB], [1],
    [Define if GLib, GObject, GIO are available])
fi
AM_CONDITIONAL([DBUS_WITH_GLIB], [test "x$with_glib" != xno])
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AC_ARG_ENABLE([installed-tests],
  AS_HELP_STRING([--enable-installed-tests],
    [enable unit test code in the library and binaries]),
  [], [enable_installed_tests=no])
AM_CONDITIONAL([DBUS_ENABLE_INSTALLED_TESTS],
  [test "x$enable_installed_tests" = xyes])
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if test "x$enable_tests" = xyes; then
  # full test coverage is required, Python is a hard dependency
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  AC_MSG_NOTICE([Full test coverage (--enable-tests=yes) requires Python, dbus-python, pygi])
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  AM_PATH_PYTHON([2.6])
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  AC_MSG_CHECKING([for Python modules for full test coverage])
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  if "$PYTHON" -c "import dbus, gi.repository.GObject, dbus.mainloop.glib"; then
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    AC_MSG_RESULT([yes])
  else
    AC_MSG_RESULT([no])
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    AC_MSG_ERROR([cannot import dbus, gi.repository.GObject, dbus.mainloop.glib Python modules])
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  fi
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else
  # --enable-tests not given: do not abort if Python is missing
  AM_PATH_PYTHON([2.6], [], [:])
fi

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if test x$enable_verbose_mode = xyes; then
    AC_DEFINE(DBUS_ENABLE_VERBOSE_MODE,1,[Support a verbose mode])
fi
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dnl Intentional:
dnl - $DISABLE_WARNINGS disables unused-label warnings if not
dnl   checking or not asserting (tested further below)
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dnl - we are not going to stop using deprecated functions on a stable
dnl   branch
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dnl - missing field initializers being 0 is a C feature, not a bug
dnl - unused-parameter is to make writing callbacks less annoying
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dnl - cast-function-type is for the
dnl   foreach(list, (DBusForeachFunction) free, NULL) idiom which would
dnl   be too intrusive to replace in a stable branch
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DISABLE_WARNINGS="$DISABLE_WARNINGS
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                  -Wno-deprecated-declarations
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                  -Wno-missing-field-initializers
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                  -Wno-unused-parameter
                  -Wno-cast-function-type"
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if test x$enable_asserts = xno; then
    AC_DEFINE(DBUS_DISABLE_ASSERT,1,[Disable assertion checking])
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    DISABLE_WARNINGS="$DISABLE_WARNINGS -Wno-unused-label"
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    R_DYNAMIC_LDFLAG=""
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    if test x$enable_embedded_tests = xyes; then
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        DISABLE_WARNINGS="$DISABLE_WARNINGS
                          -Wno-unused-but-set-variable
                          -Wno-unused-variable
                          -Wno-unused-function"
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    fi
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else
    # -rdynamic is needed for glibc's backtrace_symbols to work.
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    # No clue how much overhead this adds, but it's useful
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    # to do this on any assertion failure,
    # so for now it's enabled anytime asserts are (currently not
    # in production builds).

    # To get -rdynamic you pass -export-dynamic to libtool.
    AC_DEFINE(DBUS_BUILT_R_DYNAMIC,1,[whether -export-dynamic was passed to libtool])
    R_DYNAMIC_LDFLAG=-export-dynamic
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fi
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AC_SUBST(R_DYNAMIC_LDFLAG)

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if test x$enable_checks = xno; then
    AC_DEFINE(DBUS_DISABLE_CHECKS,1,[Disable public API sanity checking])
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    AC_DEFINE(G_DISABLE_CHECKS,1,[Disable GLib public API sanity checking])
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    DISABLE_WARNINGS="$DISABLE_WARNINGS -Wno-unused-label"
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fi
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AH_BOTTOM([
/* explicitly define these macros to get less confusing conditions */
#ifndef DBUS_DISABLE_ASSERT
#  define DBUS_ENABLE_ASSERT 1
#endif
#ifndef DBUS_DISABLE_CHECKS
#  define DBUS_ENABLE_CHECKS 1
#endif])

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# Test for code-coverage tools if --enable-code-coverage
AX_CODE_COVERAGE

AS_IF([test x$enable_code_coverage = xyes],[
    AC_DEFINE_UNQUOTED(
      [DBUS_GCOV_ENABLED], [1],
      [Defined if gcov is enabled to force a rebuild due to config.h changing])
  ])
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#### Integer sizes
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AC_CHECK_SIZEOF(char)
AC_CHECK_SIZEOF(short)
AC_CHECK_SIZEOF(long)
AC_CHECK_SIZEOF(int)
AC_CHECK_SIZEOF(void *)
AC_CHECK_SIZEOF(long long)
AC_CHECK_SIZEOF(__int64)

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### See what our 64 bit type is called
AC_MSG_CHECKING([64-bit integer type])

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case 8 in
$ac_cv_sizeof_int)
  dbusint64=int
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  dbusint64_constant='(val)'
  dbusuint64_constant='(val)'
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  ;;
$ac_cv_sizeof_long)
  dbusint64=long
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  dbusint64_constant='(val##L)'
  dbusuint64_constant='(val##UL)'
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  ;;
$ac_cv_sizeof_long_long)
  dbusint64='long long'
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  dbusint64_constant='(val##LL)'
  dbusuint64_constant='(val##ULL)'
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  ;;
$ac_cv_sizeof___int64)
  dbusint64=__int64
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  dbusint64_constant='(val##i64)'
  dbusuint64_constant='(val##ui64)'
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  ;;
esac

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AS_IF(
  [test -z "$dbusint64"],
  [AC_MSG_RESULT([not found])
  AC_MSG_ERROR([Could not find a 64-bit integer type.

Please report a bug here with details of your platform and compiler:

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    http://bugs.freedesktop.org/enter_bug.cgi?product=DBus&component=core])
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  ],
  dnl else
  [
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        DBUS_INT64_TYPE="$dbusint64"
        DBUS_INT64_CONSTANT="$dbusint64_constant"
        DBUS_UINT64_CONSTANT="$dbusuint64_constant"
        AC_MSG_RESULT($DBUS_INT64_TYPE)
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  ])
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AC_SUBST(DBUS_INT64_TYPE)
AC_SUBST(DBUS_INT64_CONSTANT)
AC_SUBST(DBUS_UINT64_CONSTANT)
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### see what 32-bit int is called
AC_MSG_CHECKING([32-bit integer type])

case 4 in
$ac_cv_sizeof_short)
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  dbusint32=short
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  ;;
$ac_cv_sizeof_int)
  dbusint32=int
  ;;
$ac_cv_sizeof_long)
  dbusint32=long
  ;;
esac

if test -z "$dbusint32" ; then
        DBUS_INT32_TYPE="no_int32_type_detected"
        AC_MSG_ERROR([No 32-bit integer type found])
else
        DBUS_INT32_TYPE="$dbusint32"
        AC_MSG_RESULT($DBUS_INT32_TYPE)
fi

AC_SUBST(DBUS_INT32_TYPE)

### see what 16-bit int is called
AC_MSG_CHECKING([16-bit integer type])

case 2 in
$ac_cv_sizeof_short)
  dbusint16=short
  ;;
$ac_cv_sizeof_int)
  dbusint16=int
  ;;
esac

if test -z "$dbusint16" ; then
        DBUS_INT16_TYPE="no_int16_type_detected"
        AC_MSG_ERROR([No 16-bit integer type found])
else
        DBUS_INT16_TYPE="$dbusint16"
        AC_MSG_RESULT($DBUS_INT16_TYPE)
fi

AC_SUBST(DBUS_INT16_TYPE)

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## byte order
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case $host_os in
	darwin*)
		# check at compile-time, so that it is possible to build universal
		# (with multiple architectures at once on the compile line)
		AH_VERBATIM([WORDS_BIGENDIAN_DARWIN], [
			/* Use the compiler-provided endianness defines to allow universal compiling. */
			#if defined(__BIG_ENDIAN__)
			#define WORDS_BIGENDIAN 1
			#endif
		])
		;;
	*)
		AC_C_BIGENDIAN
		;;
esac
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# As a GNU extension, glibc declares environ in unistd.h, which is one of
# the AC_INCLUDES_DEFAULT.
AC_CHECK_DECLS([environ])

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dnl **********************************
dnl *** va_copy checks (from GLib) ***
dnl **********************************
dnl we currently check for all three va_copy possibilities, so we get
dnl all results in config.log for bug reports.
AC_CACHE_CHECK([for an implementation of va_copy()],dbus_cv_va_copy,[
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	AC_LINK_IFELSE([AC_LANG_SOURCE([#include <stdarg.h>
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#include <stdlib.h>
	static void f (int i, ...) {
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	va_list args1, args2;
	va_start (args1, i);
	va_copy (args2, args1);
	if (va_arg (args2, int) != 42 || va_arg (args1, int) != 42)
	  exit (1);
	va_end (args1); va_end (args2);
	}
	int main() {
	  f (0, 42);
	  return 0;
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	}])],
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	[dbus_cv_va_copy=yes],
	[dbus_cv_va_copy=no])
])
AC_CACHE_CHECK([for an implementation of __va_copy()],dbus_cv___va_copy,[
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	AC_LINK_IFELSE([AC_LANG_SOURCE([#include <stdarg.h>
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#include <stdlib.h>
	static void f (int i, ...) {
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	va_list args1, args2;
	va_start (args1, i);
	__va_copy (args2, args1);
	if (va_arg (args2, int) != 42 || va_arg (args1, int) != 42)
	  exit (1);
	va_end (args1); va_end (args2);
	}
	int main() {
	  f (0, 42);
	  return 0;
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	}])],
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	[dbus_cv___va_copy=yes],
	[dbus_cv___va_copy=no])
])

if test "x$dbus_cv_va_copy" = "xyes"; then
  dbus_va_copy_func=va_copy
else if test "x$dbus_cv___va_copy" = "xyes"; then
  dbus_va_copy_func=__va_copy
fi
fi

if test -n "$dbus_va_copy_func"; then
  AC_DEFINE_UNQUOTED(DBUS_VA_COPY,$dbus_va_copy_func,[A 'va_copy' style function])
fi

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AC_LANG_PUSH(C)
AC_CACHE_CHECK([whether va_lists can be copied by value],
	dbus_cv_va_val_copy,
	[AC_RUN_IFELSE([AC_LANG_PROGRAM(
[[
	#include <stdarg.h>
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	#include <stdlib.h>
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]],
[[
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	static void f (int i, ...) {
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	va_list args1, args2;
	va_start (args1, i);
	args2 = args1;
	if (va_arg (args2, int) != 42 || va_arg (args1, int) != 42)
	  exit (1);
	va_end (args1); va_end (args2);
	}
	int main() {
	  f (0, 42);
	  return 0;
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	}
]])],
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	[dbus_cv_va_val_copy=yes],
	[dbus_cv_va_val_copy=no],
	[dbus_cv_va_val_copy=yes])
])
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AC_LANG_POP(C)
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if test "x$dbus_cv_va_val_copy" = "xno"; then
  AC_DEFINE(DBUS_VA_COPY_AS_ARRAY,1, ['va_lists' cannot be copies as values])
fi


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#### Atomic integers

AC_CACHE_CHECK([whether $CC knows __sync_sub_and_fetch()],
  dbus_cv_sync_sub_and_fetch,
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  [AC_LINK_IFELSE([
     AC_LANG_PROGRAM([[]], [[int a = 4; int b = __sync_sub_and_fetch(&a, 4); exit(b); ]])],
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     [dbus_cv_sync_sub_and_fetch=yes],
     [dbus_cv_sync_sub_and_fetch=no])
  ])

if test "x$dbus_cv_sync_sub_and_fetch" = "xyes" ; then
   have_sync=1
else
   have_sync=0
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fi
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AC_DEFINE_UNQUOTED([DBUS_USE_SYNC], [$have_sync], [Use the gcc __sync extension])
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#### Various functions
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AC_SEARCH_LIBS(socket,[socket network])
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AC_CHECK_FUNC(gethostbyname,,[AC_CHECK_LIB(nsl,gethostbyname)])
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AC_CHECK_FUNCS([vsnprintf vasprintf nanosleep usleep setenv clearenv unsetenv socketpair getgrouplist fpathconf setrlimit poll setlocale localeconv strtoll strtoull issetugid getresuid setresuid getrlimit prlimit])
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AC_CHECK_HEADERS([syslog.h])
if test "x$ac_cv_header_syslog_h" = "xyes"; then
  AC_CHECK_DECLS([LOG_PERROR], [], [], [[#include <syslog.h>]])
fi

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# For test-segfault.c
AC_CHECK_HEADERS_ONCE([sys/prctl.h])
AC_CHECK_FUNCS_ONCE([prctl raise])

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AC_MSG_CHECKING(for dirfd)
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AC_LINK_IFELSE([AC_LANG_PROGRAM([[
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#include <sys/types.h>
#include <dirent.h>
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]], [[
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DIR *dirp;
dirp = opendir(".");
dirfd(dirp);
closedir(dirp);
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]])],
[dbus_have_dirfd=yes],
[dbus_have_dirfd=no])
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AC_MSG_RESULT($dbus_have_dirfd)
if test "$dbus_have_dirfd" = yes; then
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	AC_DEFINE(HAVE_DIRFD,1,[Have dirfd function])
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else
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	AC_MSG_CHECKING(for DIR *dirp->dd_fd)
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	AC_LINK_IFELSE([AC_LANG_PROGRAM([[
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#include <sys/types.h>
#include <dirent.h>
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	]], [[
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DIR *dirp;
int fd;
dirp = opendir(".");
fd = dirp->dd_fd;
closedir(dirp);
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        ]])],
        [dbus_have_ddfd=yes],
        [dbus_have_ddfd=no])
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	AC_MSG_RESULT($dbus_have_ddfd)
	if test "$dbus_have_ddfd" = yes; then
		AC_DEFINE(HAVE_DDFD,1,[Have the ddfd member of DIR])
	fi
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fi
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AC_CHECK_HEADERS(sys/resource.h)
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AC_CHECK_HEADERS([sys/time.h])
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AC_CHECK_HEADERS(dirent.h)

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AC_CHECK_HEADERS([execinfo.h],
	[AC_SEARCH_LIBS([backtrace], [execinfo],
		[AC_DEFINE([HAVE_BACKTRACE], [1],
			[Define to 1 if you have backtrace().])])])
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AC_CHECK_HEADERS(errno.h)

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AC_CHECK_HEADERS(signal.h)

AC_CHECK_HEADERS(locale.h)

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AC_CHECK_HEADERS(byteswap.h)

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AC_CHECK_HEADERS(unistd.h)

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AC_CHECK_HEADERS([stdint.h])

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AC_CHECK_HEADERS(ws2tcpip.h)

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AC_CHECK_HEADERS(alloca.h)

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# Add -D_POSIX_PTHREAD_SEMANTICS if on Solaris
#
case $host_os in
    solaris*)
       CFLAGS="$CFLAGS -D_POSIX_PTHREAD_SEMANTICS" ;;
esac
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# checking for a posix version of getpwnam_r
# if we are cross compiling and can not run the test
# assume getpwnam_r is the posix version
# it is up to the person cross compiling to change
# this behavior if desired
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AC_LANG_PUSH(C)
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AC_CACHE_CHECK([for posix getpwnam_r],
		ac_cv_func_posix_getpwnam_r,
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		[AC_RUN_IFELSE([AC_LANG_PROGRAM(
[[
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#include <errno.h>
#include <pwd.h>
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]],
[[
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    char buffer[10000];
    struct passwd pwd, *pwptr = &pwd;
    int error;
    errno = 0;
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    error = getpwnam_r ("", &pwd, buffer,
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                        sizeof (buffer), &pwptr);
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   return (error < 0 && errno == ENOSYS)
	   || error == ENOSYS;
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]])],
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	[ac_cv_func_posix_getpwnam_r=yes],
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	[ac_cv_func_posix_getpwnam_r=no],
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        [ac_cv_func_posix_getpwnam_r=yes]
)])
AC_LANG_POP(C)

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if test "$ac_cv_func_posix_getpwnam_r" = yes; then
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        AC_DEFINE(HAVE_POSIX_GETPWNAM_R,1,
                [Have POSIX function getpwnam_r])
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else
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        AC_CACHE_CHECK([for nonposix getpwnam_r],
                ac_cv_func_nonposix_getpwnam_r,
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                [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <pwd.h>]], [[char buffer[10000];
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                        struct passwd pwd;
                        getpwnam_r ("", &pwd, buffer,
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                                        sizeof (buffer));]])],
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                        [ac_cv_func_nonposix_getpwnam_r=yes],
                        [ac_cv_func_nonposix_getpwnam_r=no])])
                if test "$ac_cv_func_nonposix_getpwnam_r" = yes; then
                AC_DEFINE(HAVE_NONPOSIX_GETPWNAM_R,1,
                        [Have non-POSIX function getpwnam_r])
        fi
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fi
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dnl check for socklen_t
AC_MSG_CHECKING(whether socklen_t is defined)
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
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#include <sys/types.h>
#include <sys/socket.h>
#include <netdb.h>
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]], [[
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socklen_t foo;
foo = 1;
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]])],
[dbus_have_socklen_t=yes],
[dbus_have_socklen_t=no])
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AC_MSG_RESULT($dbus_have_socklen_t)

if test "x$dbus_have_socklen_t" = "xyes"; then
    AC_DEFINE(HAVE_SOCKLEN_T,1,[Have socklen_t type])
fi

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dnl check for writev header and writev function so we're
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dnl good to go if HAVE_WRITEV gets defined.
AC_CHECK_HEADERS(sys/uio.h, [AC_CHECK_FUNCS(writev)])

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dnl needed on darwin for NAME_MAX
AC_CHECK_HEADERS(sys/syslimits.h)

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dnl Make it easy to check if we have MSG_NOSIGNAL without actually having to include sys/socket.h
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AC_CHECK_DECLS([MSG_NOSIGNAL], [], [], [[ #include <sys/types.h>
#include <sys/socket.h> ]])
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dnl check for flavours of varargs macros (test from GLib)
AC_MSG_CHECKING(for ISO C99 varargs macros in C)
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
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int a(int p1, int p2, int p3);
#define call_a(...) a(1,__VA_ARGS__)
call_a(2,3);
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]])],
[dbus_have_iso_c_varargs=yes],
[dbus_have_iso_c_varargs=no])
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AC_MSG_RESULT($dbus_have_iso_c_varargs)

AC_MSG_CHECKING(for GNUC varargs macros)
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
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int a(int p1, int p2, int p3);
#define call_a(params...) a(1,params)
call_a(2,3);
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]])],
[dbus_have_gnuc_varargs=yes],
[dbus_have_gnuc_varargs=no])
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AC_MSG_RESULT($dbus_have_gnuc_varargs)

dnl Output varargs tests
if test x$dbus_have_iso_c_varargs = xyes; then
    AC_DEFINE(HAVE_ISO_VARARGS,1,[Have ISO C99 varargs macros])
fi
if test x$dbus_have_gnuc_varargs = xyes; then
    AC_DEFINE(HAVE_GNUC_VARARGS,1,[Have GNU-style varargs macros])
fi

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dnl Check for various credentials.
AC_MSG_CHECKING(for struct cmsgcred)
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
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#include <sys/types.h>
#include <sys/socket.h>
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]], [[
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struct cmsgcred cred;

cred.cmcred_pid = 0;
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]])],
[dbus_have_struct_cmsgcred=yes],
[dbus_have_struct_cmsgcred=no])
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AC_MSG_RESULT($dbus_have_struct_cmsgcred)

if test x$dbus_have_struct_cmsgcred = xyes; then
    AC_DEFINE(HAVE_CMSGCRED,1,[Have cmsgcred structure])
fi
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AC_CHECK_MEMBER([struct unpcbid.unp_pid],
                [AC_DEFINE([HAVE_UNPCBID], 1, [Have unpcbid structure])],
                [],
                [[#include <sys/un.h>]])

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AC_CHECK_FUNCS(getpeerucred getpeereid)
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AC_CHECK_FUNCS(pipe2 accept4)
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PKG_CHECK_MODULES([EXPAT], [expat])
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save_cflags="$CFLAGS"
save_libs="$LIBS"
CFLAGS="$CFLAGS $EXPAT_CFLAGS"
LIBS="$LIBS $EXPAT_LIBS"
AC_CHECK_FUNCS([XML_SetHashSalt])
CFLAGS="$save_cflags"
LIBS="$save_libs"

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# Thread lib detection
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AC_ARG_VAR([THREAD_LIBS])
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save_libs="$LIBS"
LIBS="$LIBS $THREAD_LIBS"
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is_missing_pthread_function="is required when compiling D-Bus on Unix platforms, but is not in your libc or libpthread. Please open a bug on https://bugs.freedesktop.org/enter_bug.cgi?product=dbus with details of your platform."

# Don't do these automatic checks if the user set THREAD_LIBS on the
# configure command-line. If they did, we assume they're right.
#
# We also don't do these checks on Windows, because you don't need magical
# linker flags to have threading support there.
AS_IF([test "x$dbus_unix" = xyes && test "x$THREAD_LIBS" = x],
  [
    # Mandatory pthread functions. In principle, some of these could be made
    # optional if there are platforms that don't have them.
    #
    # Currently, we only look in -lpthread.
    # In principle we might need to look in -lpthreads, -lthreads, ...
    # as well - please file a bug if your platform needs this.
    AC_SEARCH_LIBS([pthread_cond_timedwait],
        [pthread],
        [THREAD_LIBS="$LIBS"],
        [AC_MSG_ERROR([pthread_cond_timedwait $is_missing_pthread_function])],
        [])
    AC_SEARCH_LIBS([pthread_mutexattr_init],
        [pthread],
        [THREAD_LIBS="$LIBS"],
        [AC_MSG_ERROR([pthread_mutexattr_init $is_missing_pthread_function])],
        [])
    AC_SEARCH_LIBS([pthread_mutexattr_settype],
        [pthread],
        [THREAD_LIBS="$LIBS"],
        [AC_MSG_ERROR([pthread_mutexattr_settype $is_missing_pthread_function])],
        [])

    # Optional, for monotonic clocks. Because it's optional, this check
    # is non-fatal if we don't find it.
    AC_SEARCH_LIBS([pthread_condattr_setclock],
        [pthread],
        [THREAD_LIBS="$LIBS"])

    AS_IF([test "x$ac_cv_search_pthread_condattr_setclock" != xno],
      [
        AC_SEARCH_LIBS([clock_getres], [rt], [THREAD_LIBS="$LIBS"])
        AC_MSG_CHECKING([for CLOCK_MONOTONIC])
        AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
[[#include <time.h>
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#include <pthread.h>
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]], [[
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struct timespec monotonic_timer;
pthread_condattr_t attr;
pthread_condattr_init (&attr);
pthread_condattr_setclock (&attr, CLOCK_MONOTONIC);
clock_getres (CLOCK_MONOTONIC,&monotonic_timer);
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]])],
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            [have_clock_monotonic=true],
            [have_clock_monotonic=false])
        AS_IF([test x$have_clock_monotonic = xtrue],
	  [
            AC_MSG_RESULT([found])
            AC_DEFINE(HAVE_MONOTONIC_CLOCK, 1, [Define if we have CLOCK_MONOTONIC])
	  ],
          [AC_MSG_RESULT([not found])])
      ]) dnl have pthread_condattr_setclock
  ]) dnl on Unix

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LIBS="$save_libs"
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AC_SUBST([THREAD_LIBS])

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# SELinux detection
if test x$enable_selinux = xno ; then
    have_selinux=no;
else
    # See if we have SELinux library
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    PKG_CHECK_MODULES([SELINUX], [libselinux >= 2.0.86],
                 [have_selinux=yes], [have_selinux=no])
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    if test x$enable_selinux = xauto ; then
        if test x$have_selinux = xno ; then
                AC_MSG_WARN([Sufficiently new SELinux library not found])
        fi
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    else
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        if test x$have_selinux = xno ; then
                AC_MSG_ERROR([SElinux explicitly required, and SELinux library not found])
        fi
    fi
fi

AM_CONDITIONAL(HAVE_SELINUX, test x$have_selinux = xyes)

if test x$have_selinux = xyes ; then
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    # the selinux code creates threads
    # which requires libpthread even on linux
    AC_CHECK_FUNC(pthread_create,,[AC_CHECK_LIB(pthread,pthread_create,
                                                [SELINUX_THREAD_LIBS="-lpthread"])])

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    SELINUX_LIBS="$SELINUX_LIBS $SELINUX_THREAD_LIBS"
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    AC_DEFINE(HAVE_SELINUX,1,[SELinux support])
else
    SELINUX_LIBS=
fi

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# AppArmor detection
AS_IF([test x$enable_apparmor = xno],
  [have_apparmor=no],
  [
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  PKG_CHECK_MODULES([APPARMOR], [libapparmor >= 2.8.95],
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                    [have_apparmor=yes], [have_apparmor=no])
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  PKG_CHECK_MODULES([APPARMOR_2_10], [libapparmor >= 2.10],
                    [have_apparmor_2_10=yes], [have_apparmor_2_10=no])
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  AS_IF([test x$enable_apparmor = xauto && test x$have_apparmor = xno],
        [AC_MSG_WARN([Sufficiently new AppArmor library not found])])
  AS_IF([test x$enable_apparmor != xauto && test x$have_apparmor = xno],
        [AC_MSG_ERROR([AppArmor explicitly required, and AppArmor library not found])])
  ])

AS_IF([test x$have_apparmor = xyes],
      [AC_DEFINE([HAVE_APPARMOR], [1], [AppArmor Support])])
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AS_IF([test x$have_apparmor_2_10 = xyes],
      [AC_DEFINE([HAVE_APPARMOR_2_10], [1],
                 [Define if libapparmor is version 2.10 or later])])
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# inotify checks
if test x$enable_inotify = xno ; then
    have_inotify=no;
else
    AC_CHECK_HEADERS(sys/inotify.h, have_inotify=yes, have_inotify=no)
fi

dnl check if inotify backend is enabled
if test x$have_inotify = xyes; then
   AC_DEFINE(DBUS_BUS_ENABLE_INOTIFY,1,[Use inotify])
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   AC_CHECK_FUNCS(inotify_init1)
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fi

AM_CONDITIONAL(DBUS_BUS_ENABLE_INOTIFY, test x$have_inotify = xyes)

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# For simplicity, we require the userland API for epoll_create1 at
# compile-time (glibc 2.9), but we'll run on kernels that turn out
# not to have it at runtime.
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AC_ARG_ENABLE([epoll],
              [AS_HELP_STRING([--enable-epoll],[use epoll(4) on Linux])],
              [enable_epoll=$enableval], [enable_epoll=auto])
if test x$enable_epoll = xno; then
    have_linux_epoll=no
else
    AC_MSG_CHECKING([for Linux epoll(4)])
    AC_LINK_IFELSE([AC_LANG_PROGRAM(
        [
        #ifndef __linux__
        #error This is not Linux
        #endif
        #include <sys/epoll.h>
        ],
        [epoll_create1 (EPOLL_CLOEXEC);])],
        [have_linux_epoll=yes],
        [have_linux_epoll=no])
    AC_MSG_RESULT([$have_linux_epoll])
fi
if test x$enable_epoll,$have_linux_epoll = xyes,no; then
    AC_MSG_ERROR([epoll support explicitly enabled but not available])
fi
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if test x$have_linux_epoll = xyes; then
  AC_DEFINE([DBUS_HAVE_LINUX_EPOLL], 1, [Define to use epoll(4) on Linux])
fi
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AM_CONDITIONAL([HAVE_LINUX_EPOLL], [test x$have_linux_epoll = xyes])

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# kqueue checks
if test x$enable_kqueue = xno ; then
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    have_kqueue=no
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else
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    have_kqueue=yes
    AC_CHECK_HEADER(sys/event.h, , have_kqueue=no)
    AC_CHECK_FUNC(kqueue, , have_kqueue=no)

    if test x$enable_kqueue = xyes -a x$have_kqueue = xno; then
        AC_MSG_ERROR(kqueue support explicitly enabled but not available)
    fi
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fi

dnl check if kqueue backend is enabled
if test x$have_kqueue = xyes; then
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   AC_DEFINE(DBUS_BUS_ENABLE_KQUEUE,1,[Use kqueue])
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fi

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AM_CONDITIONAL(DBUS_BUS_ENABLE_KQUEUE, test x$have_kqueue = xyes)
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# launchd checks
if test x$enable_launchd = xno ; then
    have_launchd=no
else
    have_launchd=yes
    AC_CHECK_HEADER([launch.h], , have_launchd=no)
    AC_PATH_PROG([LAUNCHCTL], [launchctl])
    if test "x$LAUNCHCTL" = "x"; then
        have_launchd=no
    fi

    if test x$enable_launchd = xyes && test x$have_launchd = xno ; then
        AC_MSG_ERROR([launchd support explicitly enabled but not available])
    fi
fi

dnl check if launchd is enabled
if test x$have_launchd = xyes; then
    AC_DEFINE(DBUS_ENABLE_LAUNCHD,1,[Use launchd autolaunch])
fi

AM_CONDITIONAL(DBUS_ENABLE_LAUNCHD, test x$have_launchd = xyes)

#### Directory to place launchd agent file
if test "x$with_launchd_agent_dir" = "x"; then
   LAUNCHD_AGENT_DIR="/Library/LaunchAgents"
else
   LAUNCHD_AGENT_DIR="$with_launchd_agent_dir"
fi

AC_SUBST(LAUNCHD_AGENT_DIR)

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dnl console owner file
if test x$enable_console_owner_file = xno ; then
    have_console_owner_file=no;
else
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    case $host_os in
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    solaris*)
        have_console_owner_file=yes;
        AC_DEFINE(HAVE_CONSOLE_OWNER_FILE,1,[Have console owner file])
        ;;
    *)
        have_console_owner_file=no;;
    esac
fi

AM_CONDITIONAL(HAVE_CONSOLE_OWNER_FILE, test x$have_console_owner_file = xyes)

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dnl systemd detection
if test x$enable_systemd = xno ; then
    have_systemd=no;
else
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    PKG_CHECK_MODULES([SYSTEMD],
        [libsystemd >= 209],
        [have_systemd=yes],
        [PKG_CHECK_MODULES([SYSTEMD],
            [libsystemd-login >= 32, libsystemd-daemon >= 32, libsystemd-journal >= 32],
            [have_systemd=yes],
            [have_systemd=no])])
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fi

if test x$have_systemd = xyes; then
    AC_DEFINE(HAVE_SYSTEMD,1,[Have systemd])
fi

if test x$enable_systemd = xyes -a x$have_systemd != xyes ; then
    AC_MSG_ERROR([Explicitly requested systemd support, but systemd not found])
fi

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# If not found in $PATH, we might still have systemd and systemctl at runtime
# (perhaps dbus is being compiled in a minimal chroot with no systemd).
# Assume the upstream-recommended location. Distributors with split /usr
# can override this with ./configure SYSTEMCTL=/bin/systemctl
AC_PATH_PROG([SYSTEMCTL], [systemctl], [/usr/bin/systemctl])

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# libaudit detection
if test x$enable_libaudit = xno ; then
    have_libaudit=no;
else
    # See if we have audit daemon & capabilities library
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    AC_CHECK_LIB(audit, audit_log_user_avc_message,
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                 have_libaudit=yes, have_libaudit=no)
    if test x$have_libaudit = xyes ; then
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        AC_CHECK_LIB(cap-ng, capng_clear,
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                 have_libaudit=yes, have_libaudit=no)
    fi
fi

AM_CONDITIONAL(HAVE_LIBAUDIT, test x$have_libaudit = xyes)

if test x$have_libaudit = xyes ; then
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    SELINUX_LIBS="$SELINUX_LIBS -laudit -lcap-ng"
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    AC_DEFINE(HAVE_LIBAUDIT,1,[audit daemon SELinux support])
fi

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AC_SUBST([SELINUX_LIBS])

# Check for ADT API (Solaris Basic Security Mode auditing)
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AC_MSG_CHECKING(for ADT API)
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#include <bsm/adt.h>
adt_user_context = ADT_USER;
]], [[]])], [ check_adt_audit=yes ], [ check_adt_audit=no ])

if test ${check_adt_audit} = yes
then
   AC_DEFINE([HAVE_ADT], [], [Adt audit API])
   ADT_LIBS="-lbsm"
   LIBS="-lbsm $LIBS"
   AC_MSG_RESULT(yes)
else
   AC_MSG_RESULT(no)
fi
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AC_SUBST([ADT_LIBS])
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# Check for SCM_RIGHTS
AC_MSG_CHECKING([for SCM_RIGHTS])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
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#include <sys/types.h>
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#include <sys/socket.h>
#include <sys/un.h>
static int x = SCM_RIGHTS;
]], [[]])],
[ AC_MSG_RESULT([supported])
  AC_DEFINE([HAVE_UNIX_FD_PASSING], [1], [Supports sending UNIX file descriptors]) ],
[ AC_MSG_RESULT([not supported]) ])
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NETWORK_libs=
if test x$dbus_win = xyes ; then
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  if test x$dbus_wince = xyes ; then
    NETWORK_libs="-lws2"
  else
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    NETWORK_libs="-lws2_32 -liphlpapi -ldbghelp"
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  fi
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fi

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AC_SUBST([NETWORK_libs])

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AC_ARG_WITH([valgrind],
  [AS_HELP_STRING([--with-valgrind],
     [Add instrumentation to help valgrind to understand our allocator])],
  [],
  [with_valgrind=no])

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AS_IF([test "x$with_valgrind" = xauto],
  [PKG_CHECK_EXISTS([valgrind >= 3.6],
    [with_valgrind=yes], [with_valgrind=no])])

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if test x$with_valgrind != xno; then
  PKG_CHECK_MODULES([VALGRIND], [valgrind >= 3.6])
  AC_DEFINE([WITH_VALGRIND], [1], [Define to add Valgrind instrumentation])
fi

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#### Set up final flags
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LIBDBUS_LIBS="$THREAD_LIBS $NETWORK_libs $SYSTEMD_LIBS"
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AC_SUBST([LIBDBUS_LIBS])
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### X11 detection
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DBUS_X_LIBS=
DBUS_X_CFLAGS=

AC_ARG_ENABLE([x11-autolaunch],
  AS_HELP_STRING([--enable-x11-autolaunch], [build with X11 auto-launch support]),
  [], [enable_x11_autolaunch=auto])

if test "x$dbus_win" = xyes; then
    if test "x$enable_x11_autolaunch" = xyes; then
        AC_MSG_ERROR([X11 auto-launch is not supported on Windows])
    fi
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    enable_x11_autolaunch=no
    have_x11=no
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else
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    AC_PATH_XTRA

    if test "x$no_x" = xyes; then
        have_x11=no
    else
        have_x11=yes
        DBUS_X_LIBS="$X_LIBS $X_PRE_LIBS -lX11 $X_EXTRA_LIBS"
        DBUS_X_CFLAGS="$X_CFLAGS"
    fi
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fi

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if test "x$enable_x11_autolaunch,$have_x11" = xyes,no; then
    AC_MSG_ERROR([X11 auto-launch requires X headers/libraries])
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else
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    # move from "auto" to "yes" or "no" if necessary
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    if test "x$enable_x11_autolaunch" != xno; then
        enable_x11_autolaunch="$have_x11"
    fi
fi

if test "x$have_x11" = xyes ; then
   AC_DEFINE([DBUS_BUILD_X11], [1], [Define to build X11 functionality])
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fi

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if test "x$enable_x11_autolaunch" = xyes ; then
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   AC_DEFINE([DBUS_ENABLE_X11_AUTOLAUNCH], [1], [Define to enable X11 auto-launch])
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fi
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AM_CONDITIONAL([DBUS_ENABLE_X11_AUTOLAUNCH],
  [test "x$enable_x11_autolaunch" = xyes])
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AC_SUBST([DBUS_X_CFLAGS])
AC_SUBST([DBUS_X_LIBS])
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# We're treating -fno-common like a warning: it makes the linker more
# strict, because on some systems the linker is *always* this strict
TEST_CFLAGS="$TEST_CFLAGS -fno-common"
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AS_IF([test "x$enable_ansi" = "xyes"],[
    TEST_CFLAGS="$TEST_CFLAGS -ansi -pedantic"
    AC_DEFINE([_POSIX_C_SOURCE],[199309L],[Define to enable POSIX features])
    AC_DEFINE([_BSD_SOURCE],[1],[Define to enable BSD features])
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  ])
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dnl We are only calling this for its side-effect of setting up
dnl --enable-compile-warnings; the WARN_CFLAGS, etc. are ignored,
dnl to work around https://github.com/peti/autoconf-archive/pull/96
AX_COMPILER_FLAGS([], [], [$disable_developer])

dnl Work around https://github.com/peti/autoconf-archive/pull/96 by using
dnl a non-default variable name here (in particular there is no way to tell
dnl AX_COMPILER_FLAGS to not use WARN_CXXFLAGS)
AX_COMPILER_FLAGS_CFLAGS([EXTRA_CFLAGS],
                         [$disable_developer],
                         [$TEST_CFLAGS],
                         [-Wchar-subscripts \
                          -Wfloat-equal \
                          -Wpointer-sign \
                          $DISABLE_WARNINGS])
dnl cc1plus: warning: command line option ‘-Wpointer-sign’ is valid for
dnl C/ObjC but not for C++
AX_COMPILER_FLAGS_CXXFLAGS([EXTRA_CXXFLAGS],
                           [$disable_developer],
                           [],
                           [-Wchar-subscripts \
                            -Wfloat-equal \
                            $DISABLE_WARNINGS])
AX_COMPILER_FLAGS_LDFLAGS([EXTRA_LDFLAGS],
                          [$disable_developer])

dnl TODO: In principle we should put EXTRA_CFLAGS in each Makefile.am like
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dnl telepathy-glib does, since CFLAGS is meant to be reserved for the user...
dnl but prepending to CFLAGS (so the user can override it with later CFLAGS)
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dnl is the next best thing.
CFLAGS="$EXTRA_CFLAGS $CFLAGS"
CXXFLAGS="$EXTRA_CXXFLAGS $CXXFLAGS"
LDFLAGS="$EXTRA_LDFLAGS $LDFLAGS"
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case $host_os in
    solaris*)
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        # Solaris' C library apparently needs these runes to be threadsafe...
        CFLAGS="$CFLAGS -D_POSIX_PTHREAD_SEMANTICS -D_REENTRANT"
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        # ... this opt-in to get sockaddr_in6 and sockaddr_storage...
        CFLAGS="$CFLAGS -D__EXTENSIONS__"
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        # ... and this opt-in to get file descriptor passing support
        CFLAGS="$CFLAGS -D_XOPEN_SOURCE=500"
        ;;
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esac
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### Detect if ld supports --version-script

gl_LD_VERSION_SCRIPT
AM_CONDITIONAL([HAVE_LD_VERSION_SCRIPT],
               [test "x$have_ld_version_script" = xyes])
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### Doxygen Documentation
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AC_PATH_PROG(DOXYGEN, doxygen, no)

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AC_MSG_CHECKING([whether to build Doxygen documentation])
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if test x$DOXYGEN = xno ; then
    have_doxygen=no
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else
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    have_doxygen=yes
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fi

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if test x$enable_doxygen_docs = xauto ; then
    if test x$have_doxygen = xno ; then
        enable_doxygen_docs=no
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    else
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        enable_doxygen_docs=yes
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    fi
fi

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if test x$enable_doxygen_docs = xyes; then
    if test x$have_doxygen = xno; then
	AC_MSG_ERROR([Building Doxygen docs explicitly required, but Doxygen not found])
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    fi
fi

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AM_CONDITIONAL(DBUS_DOXYGEN_DOCS_ENABLED, test x$enable_doxygen_docs = xyes)
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AC_MSG_RESULT($enable_doxygen_docs)
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AC_CHECK_PROGS([XSLTPROC], [xsltproc])
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AM_CONDITIONAL([DBUS_HAVE_XSLTPROC], [test "x$XSLTPROC" != "x"])
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### Ducktype/Yelp documentation

AC_PATH_PROG([DUCKTYPE],[ducktype],[no])
AC_PATH_PROG([YELP_BUILD],[yelp-build],[no])

AC_MSG_CHECKING([whether to build Ducktype documentation])

AS_IF([test "$DUCKTYPE" = "no"],[have_ducktype=no],[have_ducktype=yes])
AS_IF([test "$YELP_BUILD" = "no"],[have_yelp_build=no],[have_yelp_build=yes])

AS_IF([test "$enable_ducktype_docs" = "auto"],[
    AS_IF([test "$have_ducktype" = "no" || test "$have_yelp_build" = "no"],[
        enable_ducktype_docs=no
    ],[
        enable_ducktype_docs=yes
    ])
])

AS_IF([test "$enable_ducktype_docs" = "yes"],[
    AS_IF([test "$have_ducktype" = "no"],[
        AC_MSG_ERROR([Building Ducktype docs explicitly required, but ducktype not found])
    ])
    AS_IF([test "$have_yelp_build" = "no"],[
        AC_MSG_ERROR([Building Ducktype docs explicitly required, but yelp-build not found])
    ])
])

AM_CONDITIONAL([DBUS_DUCKTYPE_DOCS_ENABLED],[test "$enable_ducktype_docs" = "yes"])
AC_MSG_RESULT([$enable_ducktype_docs])

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### XML Documentation

AC_PATH_PROG(XMLTO, xmlto, no)

AC_MSG_CHECKING([whether to build XML documentation])

if test x$XMLTO = xno ; then
    have_xmlto=no
else
    have_xmlto=yes
fi

if test x$enable_xml_docs = xauto ; then
    if test x$have_xmlto = xno ; then
        enable_xml_docs=no
    else
        enable_xml_docs=yes
    fi
fi

if test x$enable_xml_docs = xyes; then
    if test x$have_xmlto = xno; then
	AC_MSG_ERROR([Building XML docs explicitly required, but xmlto not found])
    fi
fi

AM_CONDITIONAL(DBUS_XML_DOCS_ENABLED, test x$enable_xml_docs = xyes)
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AC_MSG_RESULT($enable_xml_docs)
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AM_CONDITIONAL(DBUS_CAN_UPLOAD_DOCS,
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    [test x$enable_doxygen_docs = xyes && test x$enable_xml_docs = xyes &&
     test x$enable_ducktype_docs = xyes])
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# Autoconf 2.70 will support this, and many distros patch this option in,
# but Autoconf 2.70 hasn't actually been released yet.
AS_IF([test -z "${runstatedir}"], [runstatedir='${localstatedir}/run'])
AC_SUBST([runstatedir])

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#### Have to go $localstatedir->$prefix/var->/usr/local/var
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#### find the actual value for $prefix that we'll end up with
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##   (I know this is broken and should be done in the Makefile, but
##    that's a major pain and almost nobody actually seems to care)
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AS_AC_EXPAND(EXPANDED_PREFIX, "$prefix")
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AS_AC_EXPAND(EXPANDED_LOCALSTATEDIR, "$localstatedir")
AS_AC_EXPAND(EXPANDED_SYSCONFDIR, "$sysconfdir")
AS_AC_EXPAND(EXPANDED_BINDIR, "$bindir")
AS_AC_EXPAND(EXPANDED_LIBDIR, "$libdir")
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AS_AC_EXPAND(EXPANDED_LIBEXECDIR, "$libexecdir")
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AS_AC_EXPAND(EXPANDED_DATADIR, "$datadir")
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AS_AC_EXPAND(EXPANDED_RUNSTATEDIR, "$runstatedir")
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##### systemd unit files
AC_ARG_WITH([systemdsystemunitdir],
AS_HELP_STRING([--with-systemdsystemunitdir=DIR], [Directory for systemd service files]),
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    [],
    [
    PKG_CHECK_EXISTS([systemd],
      [with_systemdsystemunitdir=$($PKG_CONFIG --variable=systemdsystemunitdir systemd)],
      [with_systemdsystemunitdir=no])
    ])
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if test "x$with_systemdsystemunitdir" != xno; then
   AC_SUBST([systemdsystemunitdir], [$with_systemdsystemunitdir])
fi
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AM_CONDITIONAL(HAVE_SYSTEMD, [test "x$have_systemd" != "xno" -a -n "$with_systemdsystemunitdir" -a "x$with_systemdsystemunitdir" != xno ])
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AC_ARG_WITH([systemduserunitdir],
AS_HELP_STRING([--with-systemduserunitdir=DIR], [Directory for systemd user service files]),
    [],
    [
    PKG_CHECK_EXISTS([systemd],
      [with_systemduserunitdir=$($PKG_CONFIG --variable=systemduserunitdir systemd)],
      [with_systemduserunitdir='${libdir}/systemd/user'])
    ])
AC_SUBST([systemduserunitdir], [$with_systemduserunitdir])

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##### Set up location for system bus socket
if ! test -z "$with_system_socket"; then
   DBUS_SYSTEM_SOCKET=$with_system_socket
else
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   # We don't use runstatedir for this (yet?), because /var/run has been the
   # interoperable system bus socket for 10+ years.
   # See https://bugs.freedesktop.org/show_bug.cgi?id=101628
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   DBUS_SYSTEM_SOCKET=${EXPANDED_LOCALSTATEDIR}/run/dbus/system_bus_socket
fi

AC_SUBST(DBUS_SYSTEM_SOCKET)
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AC_DEFINE_UNQUOTED(DBUS_SYSTEM_SOCKET,"$DBUS_SYSTEM_SOCKET",[The name of the socket the system bus listens on by default])

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## System bus only listens on local domain sockets, and never
## on an abstract socket (so only root can create the socket).
##
## This won't work on Windows. It's not meant to - the system bus is
## meaningless on Windows anyway.
##
## This has to be suitable for hard-coding in client libraries as well as
## in the dbus-daemon's configuration, so it has to be valid to listen on
## and also to connect to. If this ever changes, it'll need to be split into
## two variables, one for the listening address and one for the connecting
## address.
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DBUS_SYSTEM_BUS_DEFAULT_ADDRESS="unix:path=$DBUS_SYSTEM_SOCKET"
AC_SUBST(DBUS_SYSTEM_BUS_DEFAULT_ADDRESS)
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AC_DEFINE_UNQUOTED(DBUS_SYSTEM_BUS_DEFAULT_ADDRESS, "$DBUS_SYSTEM_BUS_DEFAULT_ADDRESS",[The default D-Bus address of the system bus])
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#### Set up the pid file
if ! test -z "$with_system_pid_file"; then
   DBUS_SYSTEM_PID_FILE=$with_system_pid_file
else
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   DBUS_SYSTEM_PID_FILE="${EXPANDED_RUNSTATEDIR}/dbus/pid"
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fi

AC_SUBST(DBUS_SYSTEM_PID_FILE)

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#### Directory to check for console ownership
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AS_IF([test -n "$with_console_auth_dir" && test "x$with_console_auth_dir" != xno],
    [AC_DEFINE_UNQUOTED([DBUS_CONSOLE_AUTH_DIR], ["$with_console_auth_dir"],
        [Directory to check for pam_console/pam_foreground flag files, or undefined])],
    [with_console_auth_dir=])
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#### File to check for console ownership
if test x$have_console_owner_file = xyes; then
   if ! test -z "$with_console_owner_file"; then
      DBUS_CONSOLE_OWNER_FILE=$with_console_owner_file
   else
      DBUS_CONSOLE_OWNER_FILE=/dev/console
   fi
else
  DBUS_CONSOLE_OWNER_FILE=
fi

AC_SUBST(DBUS_CONSOLE_OWNER_FILE)
AC_DEFINE_UNQUOTED(DBUS_CONSOLE_OWNER_FILE, "$DBUS_CONSOLE_OWNER_FILE", [File to check for console ownerhip])

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#### User to start the system bus as
if test -z "$with_dbus_user" ; then
    DBUS_USER=messagebus
else
    DBUS_USER=$with_dbus_user
fi
AC_SUBST(DBUS_USER)
AC_DEFINE_UNQUOTED(DBUS_USER,"$DBUS_USER", [User for running the system BUS daemon])

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#### User for regression tests
AS_IF([test -z "$with_test_user"], [with_test_user=nobody])
DBUS_TEST_USER="$with_test_user"
AC_SUBST([DBUS_TEST_USER])
AC_DEFINE_UNQUOTED([DBUS_TEST_USER], ["$DBUS_TEST_USER"],
  [Unprivileged user used in some regression tests])

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#### Prefix to install into
DBUS_PREFIX=$EXPANDED_PREFIX
AC_SUBST(DBUS_PREFIX)
AC_DEFINE_UNQUOTED(DBUS_PREFIX,"$DBUS_PREFIX", [Prefix for installing DBUS])

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#### Direcotry to install data files into
DBUS_DATADIR=$EXPANDED_DATADIR
AC_SUBST(DBUS_DATADIR)
AC_DEFINE_UNQUOTED(DBUS_DATADIR,"$DBUS_DATADIR", [Directory for installing DBUS data files])

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#### Directory to install dbus-daemon
if test -z "$with_dbus_daemondir" ; then
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    DBUS_DAEMONDIR=$EXPANDED_BINDIR
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    dbus_daemondir='${bindir}'
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else
    DBUS_DAEMONDIR=$with_dbus_daemondir
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    dbus_daemondir=$with_dbus_daemondir
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fi
AC_SUBST(DBUS_DAEMONDIR)
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AC_SUBST(dbus_daemondir)
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AC_DEFINE_UNQUOTED(DBUS_DAEMONDIR,"$DBUS_DAEMONDIR", [Directory for installing the DBUS daemon])

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#### Directory to install the other binaries
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DBUS_BINDIR="$EXPANDED_BINDIR"
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AC_SUBST(DBUS_BINDIR)
AC_DEFINE_UNQUOTED(DBUS_BINDIR,"$DBUS_BINDIR", [Directory for installing the binaries])

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#### Directory to install the libexec binaries
DBUS_LIBEXECDIR="$EXPANDED_LIBEXECDIR"
AC_SUBST(DBUS_LIBEXECDIR)
AC_DEFINE_UNQUOTED(DBUS_LIBEXECDIR,"$DBUS_LIBEXECDIR", [Directory for installing the libexec binaries])

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AC_ARG_ENABLE([relocation],
  [AS_HELP_STRING([--enable-relocation[=yes/no/auto]],
    [Make pkg-config metadata relocatable [default=auto]])],
  [], [enable_relocation=auto])

can_relocate=yes

AS_CASE(["${exec_prefix}"],
  ['NONE'|'${prefix}'],
    [:],
  [*],
    [can_relocate=no])

AS_CASE(["${libdir}"],
  ['${prefix}/lib'|'${prefix}/lib64'|'${exec_prefix}/lib'|'${exec_prefix}/lib64'],
    [:],
  [*],
    [can_relocate=no])

# If the user said --enable-relocation but we can't do it, error out
AS_IF([test "x$can_relocate" = xno && test "x$enable_relocation" = xyes],
  [AC_MSG_ERROR([Relocatable pkg-config metadata requires --exec-prefix='\${prefix}' and the default libdir])])

# By default, on Windows we are relocatable if possible
AS_IF([test "x$enable_relocation" = xauto && test "x$dbus_win" = xyes],
  [enable_relocation="$can_relocate"])

# By default, on non-Windows we are not relocatable because it can interfere
# with pkg-config's ability to filter out system include directories,
# resulting in linking an outdated system-wide library in preference to a
# newer version installed elsewhere
AS_IF([test "x$enable_relocation" = xauto],
  [enable_relocation="no"])


AS_IF([test "x$enable_relocation" = xyes],
  [AC_SUBST([pkgconfig_prefix], ['${pcfiledir}/../../'])],
  [AC_SUBST([pkgconfig_prefix], ['${original_prefix}'])])

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#### Directory to source sysconfdir configuration from
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# On Windows this is relative to where we put the bus setup, in
# ${datadir}/dbus-1. For simplicity, we only do this if
# ${sysconfdir} = ${prefix}/etc and ${datadir} = ${prefix}/share.
#
# On Unix, or on Windows with weird install layouts, it's the absolute path.
AS_IF([test "${dbus_win}" = yes && \
       test "$EXPANDED_SYSCONFDIR" = "$EXPANDED_PREFIX/etc" && \
       test "$EXPANDED_DATADIR" = "$EXPANDED_PREFIX/share"],
      [SYSCONFDIR_FROM_PKGDATADIR="../../etc"
       DATADIR_FROM_PKGSYSCONFDIR="../../share"],
      [SYSCONFDIR_FROM_PKGDATADIR="$EXPANDED_SYSCONFDIR"
       DATADIR_FROM_PKGSYSCONFDIR="$EXPANDED_DATADIR"])
AC_SUBST([SYSCONFDIR_FROM_PKGDATADIR])
AC_SUBST([DATADIR_FROM_PKGSYSCONFDIR])
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#### Tell tests where to find certain stuff in builddir

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DBUS_PWD=`pwd`
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# Useful in a cross-compilation environment, where the tests are run on the host system.
AC_ARG_WITH(dbus-test-dir, AS_HELP_STRING([--with-dbus-test-dir=[dirname]],[path where the tests tools are available]),
			   DBUS_PWD=$withval)
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DBUS_TEST_EXEC="$DBUS_PWD/test"
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DBUS_TEST_DATA="$DBUS_PWD/test/data"
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AC_SUBST([DBUS_TEST_DATA])
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AC_SUBST([DBUS_TEST_EXEC])
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AC_DEFINE_UNQUOTED([DBUS_EXEEXT], ["$EXEEXT"],
                   [Extension for executables, typically empty or .exe])
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## Export the non-setuid external helper
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TEST_LAUNCH_HELPER_BINARY="$DBUS_PWD/bus/dbus-daemon-launch-helper-test$EXEEXT"
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AC_SUBST(TEST_LAUNCH_HELPER_BINARY)
AC_DEFINE_UNQUOTED(DBUS_TEST_LAUNCH_HELPER_BINARY, "$TEST_LAUNCH_HELPER_BINARY",
                   [Full path to the launch helper test program in the builddir])

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#### Find socket directories
if ! test -z "$TMPDIR" ; then
   DEFAULT_SOCKET_DIR=$TMPDIR
elif ! test -z "$TEMP" ; then
   DEFAULT_SOCKET_DIR=$TEMP
elif ! test -z "$TMP" ; then
   DEFAULT_SOCKET_DIR=$TMP
else
   DEFAULT_SOCKET_DIR=/tmp
fi

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DEFAULT_SOCKET_DIR=`echo $DEFAULT_SOCKET_DIR | sed 's/+/%2B/g'`

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if ! test -z "$with_test_socket_dir" ; then
   TEST_SOCKET_DIR="$with_test_socket_dir"
else
   TEST_SOCKET_DIR=$DEFAULT_SOCKET_DIR
fi
AC_SUBST(TEST_SOCKET_DIR)
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AC_DEFINE_UNQUOTED(DBUS_TEST_SOCKET_DIR, "$TEST_SOCKET_DIR", [Where to put test sockets])
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if test "x$dbus_unix" = xyes; then
  TEST_LISTEN="unix:tmpdir=$TEST_SOCKET_DIR"
else
  TEST_LISTEN="tcp:host=localhost"
fi
AC_SUBST([TEST_LISTEN])
AC_DEFINE_UNQUOTED([TEST_LISTEN], ["$TEST_LISTEN"],
  [Listening address for regression tests])

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if ! test -z "$with_session_socket_dir" ; then
   DBUS_SESSION_SOCKET_DIR="$with_session_socket_dir"
else
   DBUS_SESSION_SOCKET_DIR=$DEFAULT_SOCKET_DIR
fi
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AC_DEFINE_UNQUOTED(DBUS_SESSION_SOCKET_DIR, "$DBUS_SESSION_SOCKET_DIR", [Where per-session bus puts its sockets])
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AC_SUBST(DBUS_SESSION_SOCKET_DIR)

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# This must be a listening address. It doesn't necessarily need to be an
# address you can connect to - it can be something vague like
# "nonce-tcp:".
#
# The default varies by platform.
AC_ARG_WITH([dbus_session_bus_listen_address],
            AS_HELP_STRING([--with-dbus-session-bus-listen-address=[ADDRESS]],
                           [default address for a session bus to listen on (see configure.ac)]),
            [with_dbus_session_bus_listen_address=$withval],
            [with_dbus_session_bus_listen_address=])

if test "x$with_dbus_session_bus_listen_address" != "x"; then
        # the user specified something, trust them
        DBUS_SESSION_BUS_LISTEN_ADDRESS="$with_dbus_session_bus_listen_address"
elif test x$dbus_win = xyes; then
        # On Windows, you can (and should) listen on autolaunch addresses,
        # because autolaunching is different.
        # See https://bugs.freedesktop.org/show_bug.cgi?id=38201
        DBUS_SESSION_BUS_LISTEN_ADDRESS="autolaunch:"
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