path: root/configure.in

dnl -*- mode: m4 -*-
AC_PREREQ(2.52)

AC_INIT(dbus/dbus.h)

AM_INIT_AUTOMAKE(dbus, 0.21)

AM_CONFIG_HEADER(config.h)

# Honor aclocal flags
ACLOCAL="$ACLOCAL $ACLOCAL_FLAGS"

GETTEXT_PACKAGE=dbus-1
AC_SUBST(GETTEXT_PACKAGE)
AC_DEFINE_UNQUOTED(GETTEXT_PACKAGE,"$GETTEXT_PACKAGE",[The name of the gettext domain])

 ## must come before we use the $USE_MAINTAINER_MODE variable later
AM_MAINTAINER_MODE

AC_PROG_CC
AC_PROG_CXX
AC_ISC_POSIX
AC_HEADER_STDC

AC_ARG_ENABLE(qt,               [  --enable-qt           enable Qt-friendly client library],enable_qt=$enableval,enable_qt=auto)
AC_ARG_ENABLE(glib,             [  --enable-glib         enable GLib-friendly client library],enable_glib=$enableval,enable_glib=auto)
AC_ARG_ENABLE(gtk,              [  --enable-gtk          enable GTK-requiring executables],enable_gtk=$enableval,enable_gtk=auto)
AC_ARG_ENABLE(tests,            [  --enable-tests        enable unit test code],enable_tests=$enableval,enable_tests=$USE_MAINTAINER_MODE)
AC_ARG_ENABLE(ansi,             [  --enable-ansi         enable -ansi -pedantic gcc flags],enable_ansi=$enableval,enable_ansi=no)
AC_ARG_ENABLE(verbose-mode,     [  --enable-verbose-mode support verbose debug mode],enable_verbose_mode=$enableval,enable_verbose_mode=$USE_MAINTAINER_MODE)
AC_ARG_ENABLE(asserts,          [  --enable-asserts      include assertion checks],enable_asserts=$enableval,enable_asserts=$USE_MAINTAINER_MODE)
AC_ARG_ENABLE(checks,           [  --enable-checks       include sanity checks on public API],enable_checks=$enableval,enable_checks=yes)
AC_ARG_ENABLE(xml-docs,         [  --enable-xml-docs     build XML documentation (requires xmlto)],enable_xml_docs=$enableval,enable_xml_docs=auto)
AC_ARG_ENABLE(doxygen-docs,     [  --enable-doxygen-docs     build DOXYGEN documentation (requires Doxygen)],enable_doxygen_docs=$enableval,enable_doxygen_docs=auto)
AC_ARG_ENABLE(gcov,             [  --enable-gcov         compile with coverage profiling instrumentation (gcc only)],enable_gcov=$enableval,enable_gcov=no)
AC_ARG_ENABLE(abstract-sockets, [  --enable-abstract-sockets  use abstract socket namespace (linux only)],enable_abstract_sockets=$enableval,enable_abstract_sockets=auto)
AC_ARG_ENABLE(gcj,              [  --enable-gcj          build gcj bindings],enable_gcj=$enableval,enable_gcj=no)
AC_ARG_ENABLE(mono,             [  --enable-mono         build mono bindings],enable_mono=$enableval,enable_mono=auto)
AC_ARG_ENABLE(python,           [  --enable-python       build python bindings],enable_python=$enableval,enable_python=auto)


AC_ARG_WITH(xml,                [  --with-xml=[libxml/expat]           XML library to use])
AC_ARG_WITH(init-scripts,       [  --with-init-scripts=[redhat]        Style of init scripts to install])
AC_ARG_WITH(session-socket-dir, [  --with-session-socket-dir=[dirname] Where to put sockets for the per-login-session message bus])
AC_ARG_WITH(test-socket-dir,    [  --with-test-socket-dir=[dirname]    Where to put sockets for make check])
AC_ARG_WITH(system-pid-file,    [  --with-system-pid-file=[pidfile]    PID file for systemwide daemon])
AC_ARG_WITH(system-socket,      [  --with-system-socket=[filename]     UNIX domain socket for systemwide daemon])

dnl DBUS_BUILD_TESTS controls unit tests built in to .c files 
dnl and also some stuff in the test/ subdir
AM_CONDITIONAL(DBUS_BUILD_TESTS, test x$enable_tests = xyes)
if test x$enable_tests = xyes; then
    AC_DEFINE(DBUS_BUILD_TESTS,1,[Build test code])
fi

if test x$enable_verbose_mode = xyes; then
    AC_DEFINE(DBUS_ENABLE_VERBOSE_MODE,1,[Support a verbose mode])
fi
if test x$enable_asserts = xno; then
    AC_DEFINE(DBUS_DISABLE_ASSERT,1,[Disable assertion checking])
    AC_DEFINE(G_DISABLE_ASSERT,1,[Disable GLib assertion macros])
fi
if test x$enable_checks = xno; then
    AC_DEFINE(DBUS_DISABLE_CHECKS,1,[Disable public API sanity checking])
    AC_DEFINE(G_DISABLE_CHECKS,1,[Disable GLib public API sanity checking])
fi

#### gcc warning flags

if test "x$GCC" = "xyes"; then
  changequote(,)dnl
  case " $CFLAGS " in
  *[\ \	]-Wall[\ \	]*) ;;
  *) CFLAGS="$CFLAGS -Wall" ;;
  esac

  case " $CFLAGS " in
  *[\ \	]-Wchar-subscripts[\ \	]*) ;;
  *) CFLAGS="$CFLAGS -Wchar-subscripts" ;;
  esac

  case " $CFLAGS " in
  *[\ \	]-Wmissing-declarations[\ \	]*) ;;
  *) CFLAGS="$CFLAGS -Wmissing-declarations" ;;
  esac

  case " $CFLAGS " in
  *[\ \	]-Wmissing-prototypes[\ \	]*) ;;
  *) CFLAGS="$CFLAGS -Wmissing-prototypes" ;;
  esac

  case " $CFLAGS " in
  *[\ \	]-Wnested-externs[\ \	]*) ;;
  *) CFLAGS="$CFLAGS -Wnested-externs" ;;
  esac

  case " $CFLAGS " in
  *[\ \	]-Wpointer-arith[\ \	]*) ;;
  *) CFLAGS="$CFLAGS -Wpointer-arith" ;;
  esac

  case " $CFLAGS " in
  *[\ \	]-Wcast-align[\ \	]*) ;;
  *) CFLAGS="$CFLAGS -Wcast-align" ;;
  esac

  case " $CFLAGS " in
  *[\ \	]-Wsign-compare[\ \	]*) ;;
  *) CFLAGS="$CFLAGS -Wsign-compare" ;;
  esac

  if test "x$enable_ansi" = "xyes"; then
    case " $CFLAGS " in
    *[\ \	]-ansi[\ \	]*) ;;
    *) CFLAGS="$CFLAGS -ansi" ;;
    esac

    case " $CFLAGS " in
    *[\ \	]-D_POSIX_C_SOURCE*) ;;
    *) CFLAGS="$CFLAGS -D_POSIX_C_SOURCE=199309L" ;;
    esac

    case " $CFLAGS " in
    *[\ \	]-D_BSD_SOURCE[\ \	]*) ;;
    *) CFLAGS="$CFLAGS -D_BSD_SOURCE" ;;
    esac

    case " $CFLAGS " in
    *[\ \	]-pedantic[\ \	]*) ;;
    *) CFLAGS="$CFLAGS -pedantic" ;;
    esac
  fi
  if test x$enable_gcov = xyes; then
    case " $CFLAGS " in
    *[\ \	]-fprofile-arcs[\ \	]*) ;;
    *) CFLAGS="$CFLAGS -fprofile-arcs" ;;
    esac
    case " $CFLAGS " in
    *[\ \	]-ftest-coverage[\ \	]*) ;;
    *) CFLAGS="$CFLAGS -ftest-coverage" ;;
    esac

    ## remove optimization
    CFLAGS=`echo "$CFLAGS" | sed -e 's/-O[0-9]*//g'`
  fi
  changequote([,])dnl
else
  if test x$enable_gcov = xyes; then
    AC_MSG_ERROR([--enable-gcov can only be used with gcc])
  fi
fi

#### can't use AM_PROG_GCJ since it fails fatally if no gcj found
AC_CHECK_PROGS(GCJ, gcj, gcj)
if test -z "$GCJ" ; then
     have_gcj=no
else
     # Needs to be here so libtool wont get confused
     AM_PROG_GCJ

     have_gcj=yes
     if test "x${GCJFLAGS-unset}" = xunset; then
        GCJFLAGS="-g -O2 -Wall"
     fi
     AC_SUBST(GCJFLAGS)
fi

if test x$enable_gcj = xauto ; then
    if test x$have_gcj = xno ; then
        enable_gcj=no
    else
        enable_gcj=yes
    fi
fi

if test x$enable_gcj = xyes; then
    if test x$have_gcj = xno ; then
	AC_MSG_ERROR([Building gcj explicitly required, but gcj not found])
    fi
fi

AM_CONDITIONAL(DBUS_USE_GCJ, test x$enable_gcj = xyes)

AM_PROG_LIBTOOL

#### Look for mono
AC_CHECK_TOOL(MCS, mcs)
if test -z "$MCS" ; then
     have_mcs=no
else
     have_mcs=yes
     if test "x${MCSFLAGS-unset}" = xunset; then
        MCSFLAGS="" ### put default MCSFLAGS here
     fi
     AC_SUBST(MCSFLAGS)
fi

if test x$enable_mono = xauto ; then
    if test x$have_mcs = xno ; then
        enable_mono=no
    else
        enable_mono=yes
    fi
fi

if test x$enable_mono = xyes; then
    if test x$have_mcs = xno ; then
	AC_MSG_ERROR([Building Mono bindings explicitly required, but mcs compiler not found])
    fi
fi

AM_CONDITIONAL(DBUS_USE_MCS, test x$enable_mono = xyes)

changequote(,)dnl
# let ourselves use our own unstable API
CPPFLAGS="-DDBUS_API_SUBJECT_TO_CHANGE=1 $CPPFLAGS"
# compress spaces in flags
CFLAGS=`echo "$CFLAGS" | sed -e 's/ +/ /g'`
CXXFLAGS=`echo "$CXXFLAGS" | sed -e 's/ +/ /g'`
CPPFLAGS=`echo "$CPPFLAGS" | sed -e 's/ +/ /g'`
changequote([,])dnl

if test x$enable_gcov = xyes; then
     ## so that config.h changes when you toggle gcov support
     AC_DEFINE_UNQUOTED(DBUS_GCOV_ENABLED, 1, [Defined if gcov is enabled to force a rebuild due to config.h changing])

     AC_MSG_CHECKING([for gcc 3.3 version of gcov file format])
     have_gcc33_gcov=no
     AC_RUN_IFELSE( [AC_LANG_PROGRAM( , [[ if (__GNUC__ >=3 && __GNUC_MINOR__ >= 3) exit (0); else exit (1); ]])],  
                   have_gcc33_gcov=yes)
     if test x$have_gcc33_gcov = xyes ; then
         AC_DEFINE_UNQUOTED(DBUS_HAVE_GCC33_GCOV, 1, [Defined if we have gcc 3.3 and thus the new gcov format])
     fi
     AC_MSG_RESULT($have_gcc33_gcov)
fi
AM_CONDITIONAL(DBUS_GCOV_ENABLED, test x$enable_gcov = xyes)

#### Integer sizes 

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)

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

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

if test -z "$dbusint64" ; then
        DBUS_INT64_TYPE="no_int64_type_detected"
        DBUS_HAVE_INT64=0
        DBUS_INT64_CONSTANT=
        DBUS_UINT64_CONSTANT=
        AC_MSG_RESULT([none found])
else
        DBUS_INT64_TYPE="$dbusint64"
        DBUS_HAVE_INT64=1
        DBUS_INT64_CONSTANT="$dbusint64_constant"
        DBUS_UINT64_CONSTANT="$dbusuint64_constant"
        AC_MSG_RESULT($DBUS_INT64_TYPE)
fi

AC_SUBST(DBUS_INT64_TYPE)
AC_SUBST(DBUS_INT64_CONSTANT)
AC_SUBST(DBUS_UINT64_CONSTANT)
AC_SUBST(DBUS_HAVE_INT64)

## byte order
AC_C_BIGENDIAN


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,[
	AC_LINK_IFELSE([#include <stdarg.h>
	void f (int i, ...) {
	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;
	}],
	[dbus_cv_va_copy=yes],
	[dbus_cv_va_copy=no])
])
AC_CACHE_CHECK([for an implementation of __va_copy()],dbus_cv___va_copy,[
	AC_LINK_IFELSE([#include <stdarg.h>
	void f (int i, ...) {
	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;
	}],
	[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

AC_CACHE_CHECK([whether va_lists can be copied by value],dbus_cv_va_val_copy,[
	AC_TRY_RUN([#include <stdarg.h>
	void f (int i, ...) {
	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;
	}],
	[dbus_cv_va_val_copy=yes],
	[dbus_cv_va_val_copy=no],
	[dbus_cv_va_val_copy=yes])
])

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


#### Atomic integers (checks by Sebastian Wilhelmi for GLib)
AC_MSG_CHECKING([whether to use inline assembler routines for atomic integers])
have_atomic_inc=no
if test x"$GCC" = xyes; then
  if test "x$enable_ansi" = "xyes"; then
    AC_MSG_RESULT([no])
  else
    case $host_cpu in
      i386)
        AC_MSG_RESULT([no])
        ;;
      i?86)
        AC_MSG_RESULT([i486])
        AC_DEFINE_UNQUOTED(DBUS_USE_ATOMIC_INT_486, 1, [Use atomic integer implementation for 486])
        have_atomic_inc=yes
        ;;
      *)
        AC_MSG_RESULT([no])
        ;;
    esac
  fi
fi
if test x$have_atomic_inc = xyes ; then
  AC_DEFINE_UNQUOTED(DBUS_HAVE_ATOMIC_INT, 1, [Some atomic integer implementation present])
fi

#### Various functions
AC_CHECK_LIB(socket,socket)
AC_CHECK_LIB(nsl,gethostbyname)

AC_CHECK_FUNCS(vsnprintf vasprintf nanosleep usleep poll setenv unsetenv socketpair getgrouplist)

AC_CHECK_HEADERS(execinfo.h, [AC_CHECK_FUNCS(backtrace)])

AC_CACHE_CHECK([for posix getpwnam_r],
		ac_cv_func_posix_getpwnam_r,
		[AC_TRY_RUN([
#include <errno.h>
#include <pwd.h>
int main () { 
    char buffer[10000];
    struct passwd pwd, *pwptr = &pwd;
    int error;
    errno = 0;
    error = getpwnam_r ("", &pwd, buffer, 
                        sizeof (buffer), &pwptr);
   return (error < 0 && errno == ENOSYS) 
	   || error == ENOSYS; 
}               ],
	[ac_cv_func_posix_getpwnam_r=yes],
	[ac_cv_func_posix_getpwnam_r=no])])
if test "$ac_cv_func_posix_getpwnam_r" = yes; then
	AC_DEFINE(HAVE_POSIX_GETPWNAM_R,1,
		[Have POSIX function getpwnam_r])
else
	AC_CACHE_CHECK([for nonposix getpwnam_r],
		ac_cv_func_nonposix_getpwnam_r,
		[AC_TRY_LINK([#include <pwd.h>],
                      	[char buffer[10000];
                       	struct passwd pwd;
                       	getpwnam_r ("", &pwd, buffer, 
                               		sizeof (buffer));],
			[ac_cv_func_nonposix_getpwnam_r=yes],
			[ac_cv_func_nonposix_getpwnam_r=no])])
		if test "$ac_cv_func_nonposix_getpwnam_r" = yes; then
		AC_DEFINE(HAVE_NONPOSIX_GETPWNAM_R,1,
			[Have non-POSIX function getpwnam_r])
	fi
fi

dnl check for socklen_t
AC_MSG_CHECKING(whether socklen_t is defined)
AC_TRY_COMPILE([
#include <sys/types.h>
#include <sys/socket.h>
#include <netdb.h>
],[
socklen_t foo;
foo = 1;
],dbus_have_socklen_t=yes,dbus_have_socklen_t=no)
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

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

dnl check for flavours of varargs macros (test from GLib)
AC_MSG_CHECKING(for ISO C99 varargs macros in C)
AC_TRY_COMPILE([],[
int a(int p1, int p2, int p3);
#define call_a(...) a(1,__VA_ARGS__)
call_a(2,3);
],dbus_have_iso_c_varargs=yes,dbus_have_iso_c_varargs=no)
AC_MSG_RESULT($dbus_have_iso_c_varargs)

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

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

cred.cmcred_pid = 0;
],dbus_have_struct_cmsgcred=yes,dbus_have_struct_cmsgcred=no)
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


#### Abstract sockets

AC_MSG_CHECKING(abstract socket namespace)
AC_LANG_PUSH(C)
AC_RUN_IFELSE([AC_LANG_PROGRAM(
[[
#include <sys/types.h>
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <errno.h>
]],
[[
  int listen_fd;
  struct sockaddr_un addr;
  
  listen_fd = socket (PF_UNIX, SOCK_STREAM, 0);
  
  if (listen_fd < 0)
    {
      fprintf (stderr, "socket() failed: %s\n", strerror (errno));
      exit (1);
    }

  memset (&addr, '\0', sizeof (addr));
  addr.sun_family = AF_UNIX;
  strcpy (addr.sun_path, "X/tmp/dbus-fake-socket-path-used-in-configure-test");
  addr.sun_path[0] = '\0'; /* this is what makes it abstract */
  
  if (bind (listen_fd, (struct sockaddr*) &addr, SUN_LEN (&addr)) < 0)
    {
       fprintf (stderr, "Abstract socket namespace bind() failed: %s\n", 
                strerror (errno));
       exit (1);
    }
  else 
    exit (0);
]])],
              [have_abstract_sockets=yes],
              [have_abstract_sockets=no])
AC_LANG_POP(C)
AC_MSG_RESULT($have_abstract_sockets)

if test x$enable_abstract_sockets = xyes; then
    if test x$have_abstract_sockets = xno; then
	AC_MSG_ERROR([Abstract sockets explicitly required, and support not detected.])
    fi
fi

if test x$enable_abstract_sockets = xno; then
   have_abstract_sockets=no;
fi

if test x$have_abstract_sockets = xyes ; then
   abstract_sockets=1
   DBUS_PATH_OR_ABSTRACT=abstract
else
   abstract_sockets=0
   DBUS_PATH_OR_ABSTRACT=path
fi

AC_DEFINE_UNQUOTED(HAVE_ABSTRACT_SOCKETS, $abstract_sockets, [Have abstract socket namespace])

# this is used in addresses to prefer abstract, e.g. 
# unix:path=/foo or unix:abstract=/foo 
AC_SUBST(DBUS_PATH_OR_ABSTRACT)

#### Sort out XML library

# see what we have
AC_CHECK_LIB(expat, XML_ParserCreate_MM, 
             [ AC_CHECK_HEADERS(expat.h, have_expat=true, have_expat=false) ],
             have_expat=false)

PKG_CHECK_MODULES(LIBXML, libxml-2.0, have_libxml=true, have_libxml=false)

# see what we want to use
dbus_use_libxml=false
dbus_use_expat=false
if test x$with_xml = xexpat; then
        dbus_use_expat=true
        if ! $have_expat ; then
           AC_MSG_ERROR([Explicitly requested expat but expat not found])
        fi
elif test x$with_xml = xlibxml; then
        dbus_use_libxml=true
        if ! $have_libxml ; then
           AC_MSG_ERROR([Explicitly requested libxml but libxml not found])
        fi
else
        ### expat is the default because libxml can't currently survive 
        ### our brutal OOM-handling unit test setup.
        ### http://bugzilla.gnome.org/show_bug.cgi?id=109368
        if $have_expat ; then
                with_xml=expat
                dbus_use_expat=true
        elif $have_libxml ; then
                with_xml=libxml
                dbus_use_libxml=true
        else
                AC_MSG_ERROR([No XML library found, check config.log for failed attempts])
        fi
fi

AM_CONDITIONAL(DBUS_USE_EXPAT, $dbus_use_expat)
AM_CONDITIONAL(DBUS_USE_LIBXML, $dbus_use_libxml)

if $dbus_use_expat; then
   XML_LIBS=-lexpat
   XML_CFLAGS=
fi
if $dbus_use_libxml; then
   XML_LIBS=$LIBXML_LIBS
   XML_CFLAGS=$LIBXML_CFLAGS
fi

#### Set up final flags
DBUS_CLIENT_CFLAGS=
DBUS_CLIENT_LIBS=
AC_SUBST(DBUS_CLIENT_CFLAGS)
AC_SUBST(DBUS_CLIENT_LIBS)

DBUS_BUS_CFLAGS=$XML_CFLAGS
DBUS_BUS_LIBS=$XML_LIBS
AC_SUBST(DBUS_BUS_CFLAGS)
AC_SUBST(DBUS_BUS_LIBS)

DBUS_TEST_CFLAGS=
DBUS_TEST_LIBS=
AC_SUBST(DBUS_TEST_CFLAGS)
AC_SUBST(DBUS_TEST_LIBS)

# Glib detection
PKG_CHECK_MODULES(DBUS_GLIB, gobject-2.0, have_glib=yes, have_glib=no)
PKG_CHECK_MODULES(DBUS_GLIB_THREADS, glib-2.0 gthread-2.0, have_glib_threads=yes, have_glib_threads=no)

if test x$have_glib = xno ; then
    AC_MSG_WARN([GLib development libraries not found])
fi

if test x$enable_glib = xyes; then
    if test x$have_glib = xno; then
	AC_MSG_ERROR([GLib explicitly required, and GLib development libraries not found])
    fi
fi

if test x$enable_glib = xno; then
   have_glib=no;
fi

AM_CONDITIONAL(HAVE_GLIB, test x$have_glib = xyes)
AM_CONDITIONAL(HAVE_GLIB_THREADS, test x$have_glib_threads = xyes)

dnl GLib flags
AC_SUBST(DBUS_GLIB_CFLAGS)
AC_SUBST(DBUS_GLIB_LIBS)
AC_SUBST(DBUS_GLIB_THREADS_LIBS)

DBUS_GLIB_TOOL_CFLAGS=$XML_CFLAGS
DBUS_GLIB_TOOL_LIBS=$XML_LIBS
AC_SUBST(DBUS_GLIB_TOOL_CFLAGS)
AC_SUBST(DBUS_GLIB_TOOL_LIBS)

# GTK detection
if test x$have_glib = xno ; then
    AC_MSG_WARN([Can't use GTK+ since GLib not enabled])
    have_gtk=no
else
    PKG_CHECK_MODULES(DBUS_GTK, gtk+-2.0, have_gtk=yes, have_gtk=no)
fi

if test x$have_gtk = xno ; then
    AC_MSG_WARN([GTK+ development libraries not found])
fi

if test x$enable_gtk = xyes; then
    if test x$have_gtk = xno; then
	AC_MSG_ERROR([GTK+ explicitly required, and GTK+ development libraries not found])
    fi
fi

if test x$enable_gtk = xno; then
   have_gtk=no;
fi

AM_CONDITIONAL(HAVE_GTK, test x$have_gtk = xyes)

dnl Gtk flags
AC_SUBST(DBUS_GTK_CFLAGS)
AC_SUBST(DBUS_GTK_LIBS)

# Qt detection
AC_PATH_PROG(QT_MOC, moc, no)

have_qt=no
AC_MSG_CHECKING([for qglobal.h])
if test -n "$QTDIR" -a -f "$QTDIR/include/qglobal.h"; then
    have_qt=yes
    DBUS_QT_CXXFLAGS="-I$QTDIR/include"
else
    for dir in "${prefix}/include/qt" "/usr/include/qt-3.1" "/usr/include/qt3" "/usr/include/qt" "/usr/lib/qt/include" "/usr/lib/qt-3.1/include"; do
        if test -f "$dir/qglobal.h"; then
            have_qt=yes
            DBUS_QT_CXXFLAGS="-I$dir"
       fi
    done
fi
if test x"$have_qt" = x"yes"; then
   AC_MSG_RESULT([found])
else
   AC_MSG_RESULT([not found])
fi

dnl linking to kdecore will give us a bit of help from libtool
if (! kde-config >& /dev/null); then
    have_qt=no
else
    kdelibs=`kde-config --install lib --expandvars 2>/dev/null`
    if test -z $kdelibs -o ! -f $kdelibs/libkdecore.la; then
        have_qt=no
    else
        DBUS_QT_LIBS="$kdelibs/libkdecore.la"
    fi
fi

if test x$have_qt = xno ; then
    AC_MSG_WARN([Qt development libraries not found])
fi

if test x$enable_qt = xyes; then
    if test x$have_qt = xno; then
	AC_MSG_ERROR([Qt integration explicitly required, and Qt libraries not found])
    fi
fi

if test x$enable_qt = xno; then
   have_qt=no;
fi

AM_CONDITIONAL(HAVE_QT, test x$have_qt = xyes)

dnl Qt flags
AC_SUBST(DBUS_QT_CXXFLAGS)
AC_SUBST(DBUS_QT_LIBS)

### X11 detection
AC_PATH_XTRA

## for now enable_x11 just tracks have_x11, 
## there's no --enable-x11
if test x$no_x = xyes ; then
   have_x11=no
   enable_x11=no
else
   have_x11=yes
   enable_x11=yes
fi

if test x$enable_x11 = xyes ; then
   AC_DEFINE(DBUS_BUILD_X11,1,[Build X11-dependent code])
   DBUS_X_LIBS="$X_LIBS $X_PRE_LIBS -lX11 $X_EXTRA_LIBS"
   DBUS_X_CFLAGS="$X_CFLAGS"
else
   DBUS_X_LIBS=
   DBUS_X_CFLAGS=
fi

AC_SUBST(DBUS_X_CFLAGS)
AC_SUBST(DBUS_X_LIBS)

### Doxygen Documentation

AC_PATH_PROG(DOXYGEN, doxygen, no)

AC_MSG_CHECKING([whether to build Doxygen documentation])

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

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

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])
    fi
fi

AM_CONDITIONAL(DBUS_DOXYGEN_DOCS_ENABLED, test x$enable_doxygen_docs = xyes)
AC_MSG_RESULT(yes)

### 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)
AC_MSG_RESULT(yes)

#### Have to go $localstatedir->$prefix/var->/usr/local/var   
#### someone please fix this a better way...

#### find the actual value for $prefix that we'll end up with
##   (I know this is broken and should be done in the Makefile, but
##    that's a major pain and almost nobody actually seems to care)
REAL_PREFIX=
if test "x$prefix" = "xNONE"; then
  REAL_PREFIX=$ac_default_prefix
else
  REAL_PREFIX=$prefix
fi

## temporarily change prefix and exec_prefix
old_prefix=$prefix
prefix=$REAL_PREFIX

if test "x$exec_prefix" = xNONE ; then
   REAL_EXEC_PREFIX=$REAL_PREFIX
else
   REAL_EXEC_PREFIX=$exec_prefix
fi
old_exec_prefix=$exec_prefix
exec_prefix=$REAL_EXEC_PREFIX

## eval everything
LOCALSTATEDIR_TMP="$localstatedir"
EXPANDED_LOCALSTATEDIR=`eval echo $LOCALSTATEDIR_TMP`
AC_SUBST(EXPANDED_LOCALSTATEDIR)

SYSCONFDIR_TMP="$sysconfdir"
EXPANDED_SYSCONFDIR=`eval echo $SYSCONFDIR_TMP`
AC_SUBST(EXPANDED_SYSCONFDIR)

BINDIR_TMP="$bindir"
EXPANDED_BINDIR=`eval echo $BINDIR_TMP`
AC_SUBST(EXPANDED_BINDIR)

LIBDIR_TMP="$libdir"
EXPANDED_LIBDIR=`eval echo $LIBDIR_TMP`
AC_SUBST(EXPANDED_LIBDIR)

## put prefix and exec_prefix back
prefix=$old_prefix
exec_prefix=$old_exec_prefix

#### Check our operating system
operating_system=unknown
if test -f /etc/redhat-release || test -f $EXPANDED_SYSCONFDIR/redhat-release ; then
   operating_system=redhat
fi

#### Sort out init scripts

if test x$with_init_scripts = x; then
    if test xredhat = x$operating_system ; then
        with_init_scripts=redhat
    else
        with_init_scripts=none
    fi
fi

AM_CONDITIONAL(DBUS_INIT_SCRIPTS_RED_HAT, test x$with_init_scripts = xredhat)


##### Set up location for system bus socket
if ! test -z "$with_system_socket"; then
   DBUS_SYSTEM_SOCKET=$with_system_socket
else
   DBUS_SYSTEM_SOCKET=${EXPANDED_LOCALSTATEDIR}/run/dbus/system_bus_socket
fi

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

## system bus only listens on local domain sockets, and never 
## on an abstract socket (so only root can create the socket)
DBUS_SYSTEM_BUS_DEFAULT_ADDRESS="unix:path=$DBUS_SYSTEM_SOCKET"
AC_SUBST(DBUS_SYSTEM_BUS_DEFAULT_ADDRESS)
AC_DEFINE_UNQUOTED(DBUS_SYSTEM_BUS_DEFAULT_ADDRESS, "$DBUS_SYSTEM_BUS_DEFAULT_ADDRESS",[The default D-BUS address of the system bus])

#### Set up the pid file
if ! test -z "$with_system_pid_file"; then
   DBUS_SYSTEM_PID_FILE=$with_system_pid_file
elif test x$operating_system = xredhat ; then
   DBUS_SYSTEM_PID_FILE=${EXPANDED_LOCALSTATEDIR}/run/messagebus.pid
else
   DBUS_SYSTEM_PID_FILE=${EXPANDED_LOCALSTATEDIR}/run/dbus/pid
fi

AC_SUBST(DBUS_SYSTEM_PID_FILE)

#### Tell tests where to find certain stuff in builddir
ABSOLUTE_TOP_BUILDDIR=`cd ${ac_top_builddir}. && pwd`

AC_DEFUN(TEST_PATH, [
TEST_$1=${ABSOLUTE_TOP_BUILDDIR}/test/$2
AC_DEFINE_UNQUOTED(TEST_$1, "$TEST_$1",
                   [Full path to test file test/$2 in builddir])
AC_SUBST(TEST_$1)
])

TEST_PATH(SERVICE_DIR, data/valid-service-files)
TEST_PATH(SERVICE_BINARY, test-service)
TEST_PATH(GLIB_SERVICE_BINARY, test-service-glib)
TEST_PATH(EXIT_BINARY, test-exit)
TEST_PATH(SEGFAULT_BINARY, test-segfault)
TEST_PATH(SLEEP_FOREVER_BINARY, test-sleep-forever)

#### 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

if ! test -z "$with_test_socket_dir" ; then
   TEST_SOCKET_DIR="$with_test_socket_dir"
else
   TEST_SOCKET_DIR=$DEFAULT_SOCKET_DIR
fi
AC_SUBST(TEST_SOCKET_DIR)
AC_DEFINE_UNQUOTED(DBUS_TEST_SOCKET_DIR, "$TEST_SOCKET_DIR", [Where to put test sockets])

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

# Detect if we can build Python bindings (need python, python headers, and pyrex)
if test x$enable_python = xno; then
    have_python=no
else
    AC_MSG_NOTICE([Checking to see if we can build Python bindings])
    have_python=no
    AM_PATH_PYTHON(2.2)

    if test -z "$PYTHON" ; then
        AC_MSG_WARN([Python not found])
    else
        AC_CHECK_PROGS(PYREX, pyrexc)

        if test -z "$PYREX" ; then
            have_pyrex=no
        else
            have_pyrex=yes
        fi

        AM_CHECK_PYTHON_HEADERS(have_python_headers=yes,have_python_headers=no)

	if test x$have_pyrex = xyes -a x$have_python_headers = xyes ; then
	    have_python=yes
        fi
    fi

    if test x$have_python = xno ; then
        if test x$enable_python = xyes ; then
            AC_MSG_ERROR([Building python explicitly requested, but can't build python bindings])
        else
            AC_MSG_WARN([Couldn't find either Pyrex or the Python headers, not building Python bindings])
        fi
    fi               
fi

AM_CONDITIONAL(HAVE_PYTHON, test x$have_python = xyes)


AC_OUTPUT([
Doxyfile
dbus/dbus-arch-deps.h
bus/system.conf
bus/session.conf
bus/messagebus
bus/dbus-daemon-1.1
Makefile
dbus/Makefile
glib/Makefile
python/Makefile
qt/Makefile
gcj/Makefile
gcj/org/Makefile
gcj/org/freedesktop/Makefile
gcj/org/freedesktop/dbus/Makefile
mono/Makefile
mono/example/Makefile
bus/Makefile
tools/Makefile
test/Makefile
test/glib/Makefile
doc/Makefile
dbus-1.pc
dbus-glib-1.pc
dbus-sharp.pc
test/data/valid-config-files/debug-allow-all.conf
test/data/valid-config-files/debug-allow-all-sha1.conf
test/data/valid-service-files/debug-echo.service
test/data/valid-service-files/debug-segfault.service
])

### FIXME it's bizarre that have_qt and have_glib are used
### instead of enable_ - should fix things so that enable 
### is always whether it's enabled, and have is always whether 
### it was found.

dnl ==========================================================================
echo "
                    D-BUS $VERSION
                  ==============

	prefix:                   ${prefix}
	exec_prefix:              ${exec_prefix}
        libdir:                   ${EXPANDED_LIBDIR}
        bindir:                   ${EXPANDED_BINDIR}
        sysconfdir:               ${EXPANDED_SYSCONFDIR}
        localstatedir:            ${EXPANDED_LOCALSTATEDIR}
	source code location:	  ${srcdir}
	compiler:		  ${CC}
	cflags:		          ${CFLAGS}
	cppflags:		  ${CPPFLAGS}
	cxxflags:		  ${CXXFLAGS}
	64-bit int:		  ${DBUS_INT64_TYPE}
        Doxygen:                  ${DOXYGEN}
        xmlto:                    ${XMLTO}"

if test x$enable_gcj = xyes ; then
echo \
"        gcj:            	  ${GCJ}
	gcjflags:	          ${GCJFLAGS}"
else
echo \
"        gcj:                      (not enabled)"
fi

if test x$enable_mono = xyes ; then
echo \
"        mcs:            	  ${MCS}
	mcsflags:	          ${MCSFLAGS}
"
else
echo \
"        mcs:                      (not enabled)
"
fi

echo "
        Maintainer mode:          ${USE_MAINTAINER_MODE}
        gcc coverage profiling:   ${enable_gcov}
        Building unit tests:      ${enable_tests}
        Building verbose mode:    ${enable_verbose_mode}
        Building assertions:      ${enable_asserts}
        Building checks:          ${enable_checks}
        Building Qt bindings:     ${have_qt}
        Building GLib bindings:   ${have_glib}
        Building Python bindings: ${have_python}
	Building Mono bindings:	  ${enable_mono}
        Building GTK+ tools:      ${have_gtk}
        Building X11 code:        ${enable_x11}
        Building Doxygen docs:    ${enable_doxygen_docs}
        Building XML docs:        ${enable_xml_docs}
        Using XML parser:         ${with_xml}
        Init scripts style:       ${with_init_scripts}
        Abstract socket names:    ${have_abstract_sockets}
        System bus socket:        ${DBUS_SYSTEM_SOCKET}
        System bus address:       ${DBUS_SYSTEM_BUS_DEFAULT_ADDRESS}
        System bus PID file:      ${DBUS_SYSTEM_PID_FILE}
        Session bus socket dir:   ${DBUS_SESSION_SOCKET_DIR}
        'make check' socket dir:  ${TEST_SOCKET_DIR}
"

if test x$enable_tests = xyes; then
        echo "NOTE: building with unit tests increases the size of the installed library and renders it insecure."
fi
if test x$enable_tests = xyes -a x$enable_asserts = xno; then
        echo "NOTE: building with unit tests but without assertions means tests may not properly report failures (this configuration is only useful when doing something like profiling the tests)"
fi
if test x$enable_gcov = xyes; then
        echo "NOTE: building with coverage profiling is definitely for developers only."
fi
if test x$enable_verbose_mode = xyes; then
        echo "NOTE: building with verbose mode increases library size, may slightly increase security risk, and decreases performance."
fi
if test x$enable_asserts = xyes; then
        echo "NOTE: building with assertions increases library size and decreases performance."
fi
if test x$enable_checks = xno; then
        echo "NOTE: building without checks for arguments passed to public API makes it harder to debug apps using D-BUS, but will slightly decrease D-BUS library size and _very_ slightly improve performance."
fi