Bug 19502 - Sparse warning cleanups
[platform/upstream/dbus.git] / configure.in
index 399225e..9d825c7 100644 (file)
@@ -1,12 +1,16 @@
 dnl -*- mode: m4 -*-
 AC_PREREQ(2.52)
 
-AC_INIT(dbus/dbus.h)
+m4_define([dbus_major_version], [1])
+m4_define([dbus_minor_version], [2])
+m4_define([dbus_micro_version], [3])
+m4_define([dbus_version],
+          [dbus_major_version.dbus_minor_version.dbus_micro_version])
+AC_INIT(dbus, [dbus_version])
 
-AC_CANONICAL_TARGET
-
-AM_INIT_AUTOMAKE(dbus, 0.93)
+AC_CANONICAL_HOST
 
+AM_INIT_AUTOMAKE([1.9 tar-ustar])
 AM_CONFIG_HEADER(config.h)
 
 # Honor aclocal flags
@@ -25,7 +29,7 @@ AM_MAINTAINER_MODE
 #
 
 ## increment if the interface has additions, changes, removals.
-LT_CURRENT=3
+LT_CURRENT=7
 
 ## increment any time the source changes; set to
 ##  0 if you increment CURRENT
@@ -34,17 +38,29 @@ LT_REVISION=0
 ## 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.
-LT_AGE=0
+LT_AGE=4
 
 AC_SUBST(LT_CURRENT)
 AC_SUBST(LT_REVISION)
 AC_SUBST(LT_AGE)
 
+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)
 
 AC_PROG_CC
+AM_PROG_CC_C_O
 AC_PROG_CXX
 AC_ISC_POSIX
 AC_HEADER_STDC
+AC_C_INLINE
+AM_PROG_LIBTOOL
 
 AC_ARG_ENABLE(tests, AS_HELP_STRING([--enable-tests],[enable unit test code]),enable_tests=$enableval,enable_tests=$USE_MAINTAINER_MODE)
 AC_ARG_ENABLE(ansi, AS_HELP_STRING([--enable-ansi],[enable -ansi -pedantic gcc flags]),enable_ansi=$enableval,enable_ansi=no)
@@ -56,9 +72,12 @@ AC_ARG_ENABLE(doxygen-docs, AS_HELP_STRING([--enable-doxygen-docs],[build DOXYGE
 AC_ARG_ENABLE(gcov, AS_HELP_STRING([--enable-gcov],[compile with coverage profiling instrumentation (gcc only)]),enable_gcov=$enableval,enable_gcov=no)
 AC_ARG_ENABLE(abstract-sockets, AS_HELP_STRING([--enable-abstract-sockets],[use abstract socket namespace (linux only)]),enable_abstract_sockets=$enableval,enable_abstract_sockets=auto)
 AC_ARG_ENABLE(selinux, AS_HELP_STRING([--enable-selinux],[build with SELinux support]),enable_selinux=$enableval,enable_selinux=auto)
+AC_ARG_ENABLE(libaudit,AS_HELP_STRING([--enable-libaudit],[build audit daemon support for SELinux]),enable_libaudit=$enableval,enable_libaudit=auto)
 AC_ARG_ENABLE(dnotify, AS_HELP_STRING([--enable-dnotify],[build with dnotify support (linux only)]),enable_dnotify=$enableval,enable_dnotify=auto)
+AC_ARG_ENABLE(inotify, AS_HELP_STRING([--enable-inotify],[build with inotify support (linux only)]),enable_inotify=$enableval,enable_inotify=auto)
 AC_ARG_ENABLE(kqueue, AS_HELP_STRING([--enable-kqueue],[build with kqueue support]),enable_kqueue=$enableval,enable_kqueue=auto)
 AC_ARG_ENABLE(console-owner-file, AS_HELP_STRING([--enable-console-owner-file],[enable console owner file]),enable_console_owner_file=$enableval,enable_console_owner_file=auto)
+AC_ARG_ENABLE(userdb-cache, AS_HELP_STRING([--enable-userdb-cache],[build with userdb-cache support]),enable_userdb_cache=$enableval,enable_userdb_cache=yes)
 
 AC_ARG_WITH(xml, AS_HELP_STRING([--with-xml=[libxml/expat]],[XML library to use]))
 AC_ARG_WITH(init-scripts, AS_HELP_STRING([--with-init-scripts=[redhat]],[Style of init scripts to install]))
@@ -71,6 +90,7 @@ AC_ARG_WITH(console-owner-file, AS_HELP_STRING([--with-console-owner-file=[filen
 AC_ARG_WITH(dbus_user, AS_HELP_STRING([--with-dbus-user=<user>],[User for running the DBUS daemon (messagebus)]))
 AC_ARG_WITH(dbus_daemondir, AS_HELP_STRING([--with-dbus-daemondir=[dirname]],[Directory for installing the DBUS daemon]))
 
+AC_DEFINE(DBUS_UNIX,1,[dbus on unix])
 
 dnl DBUS_BUILD_TESTS controls unit tests built in to .c files 
 dnl and also some stuff in the test/ subdir
@@ -82,15 +102,33 @@ 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])
+    R_DYNAMIC_LDFLAG=""
+else
+    # -rdynamic is needed for glibc's backtrace_symbols to work.
+    # No clue how much overhead this adds, but it's useful 
+    # 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
 fi
+AC_SUBST(R_DYNAMIC_LDFLAG)
+
 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
 
+if test x$enable_userdb_cache = xyes; then
+    AC_DEFINE(DBUS_ENABLE_USERDB_CACHE,1,[Build with caching of user data])
+fi
+
 #### gcc warning flags
 
 cc_supports_flag() {
@@ -107,6 +145,42 @@ cc_supports_flag() {
   return $rc
 }
 
+ld_supports_flag() {
+  AC_MSG_CHECKING([whether $LD supports "$@"])
+  AC_TRY_LINK([
+    int one(void) { return 1; }
+    int two(void) { return 2; }
+  ], [ two(); ] , [_ac_ld_flag_supported=yes], [_ac_ld_flag_supported=no])
+
+  if test "$_ac_ld_flag_supported" = "yes"; then
+    rm -f conftest.c
+    touch conftest.c
+    if $CC -c conftest.c; then
+      ld_out=`$LD $@ -o conftest conftest.o 2>&1`
+      ld_ret=$?
+      if test $ld_ret -ne 0 ; then
+        _ac_ld_flag_supported=no
+      elif echo "$ld_out" | egrep 'option ignored|^usage:|unrecognized option|illegal option' >/dev/null ; then
+        _ac_ld_flag_supported=no
+      fi
+    fi
+    rm -f conftest.c conftest.o conftest
+  fi
+
+  AC_MSG_RESULT($_ac_ld_flag_supported)
+  if test "$_ac_ld_flag_supported" = "yes" ; then
+    return 0
+  else
+    return 1
+  fi
+}
+
+if test x$USE_MAINTAINER_MODE = xyes; then
+  if cc_supports_flag "-Werror"; then
+    CFLAGS="$CFLAGS -Werror"
+  fi
+fi
+
 if test "x$GCC" = "xyes"; then
   changequote(,)dnl
   case " $CFLAGS " in
@@ -153,11 +227,6 @@ if test "x$GCC" = "xyes"; then
   esac
 
   case " $CFLAGS " in
-  *[\ \        ]-Wsign-compare[\ \     ]*) ;;
-  *) CFLAGS="$CFLAGS -Wsign-compare" ;;
-  esac
-
-  case " $CFLAGS " in
   *[\ \        ]-Wdeclaration-after-statement[\ \      ]*) ;;
   *) if cc_supports_flag -Wdeclaration-after-statement; then
         CFLAGS="$CFLAGS -Wdeclaration-after-statement"
@@ -173,6 +242,65 @@ if test "x$GCC" = "xyes"; then
      ;;
   esac
 
+  case " $CFLAGS " in
+  *[\ \        ]-fPIC[\ \      ]*) ;;
+  *) if cc_supports_flag -fPIC; then
+        PIC_CFLAGS="-fPIC"
+        if ld_supports_flag -z,relro; then
+           PIC_LDFLAGS="-Wl,-z,relro"
+        fi
+     fi
+     ;;
+  esac
+
+  case " $CFLAGS " in
+  *[\ \        ]-fPIE[\ \      ]*) ;;
+  *) if cc_supports_flag -fPIE; then
+        PIE_CFLAGS="-fPIE"
+        if ld_supports_flag -z,relro; then
+           PIE_LDFLAGS="-pie -Wl,-z,relro"
+        else
+           PIE_LDFLAGS="-pie"
+        fi
+     fi
+     ;;
+  esac
+  
+  ### Disabled warnings, and compiler flag overrides
+  
+  # Let's just ignore unused for now
+  case " $CFLAGS " in
+  *[\ \        ]-Wno-unused[\ \        ]*) ;;
+  *) CFLAGS="$CFLAGS -Wno-unused" ;;
+  esac  
+  
+  # This group is for warnings we currently don't pass.
+  # We would like to, however.  Please fix.
+  
+  # http://bugs.freedesktop.org/show_bug.cgi?id=17433
+  case " $CFLAGS " in
+  *[\ \        ]-Wno-sign-compare[\ \  ]*) ;;
+  *) CFLAGS="$CFLAGS -Wno-sign-compare" ;;
+  esac
+  case " $CFLAGS " in
+  *[\ \        ]-Wno-pointer-sign[\ \  ]*) ;;
+  *) CFLAGS="$CFLAGS -Wno-pointer-sign" ;;
+  esac  
+  
+  # http://bugs.freedesktop.org/show_bug.cgi?id=19195
+  case " $CFLAGS " in
+  *[\ \        ]-Wno-format[\ \        ]*) ;;
+  *) CFLAGS="$CFLAGS -Wno-format" ;;
+  esac
+  
+  # This one is special - it's not a warning override.
+  # http://bugs.freedesktop.org/show_bug.cgi?id=10599
+  case " $CFLAGS " in
+  *[\ \        ]-fno-strict-aliasing[\ \       ]*) ;;
+  *) CFLAGS="$CFLAGS -fno-strict-aliasing" ;;
+  esac
+  ### End disabled warnings
+
   if test "x$enable_ansi" = "xyes"; then
     case " $CFLAGS " in
     *[\ \      ]-ansi[\ \      ]*) ;;
@@ -192,7 +320,7 @@ if test "x$GCC" = "xyes"; then
     case " $CFLAGS " in
     *[\ \      ]-pedantic[\ \  ]*) ;;
     *) CFLAGS="$CFLAGS -pedantic" ;;
-    esac
+    esac    
   fi
   if test x$enable_gcov = xyes; then
     case " $CFLAGS " in
@@ -214,11 +342,27 @@ else
   fi
 fi
 
-AM_PROG_LIBTOOL
+AC_SUBST(PIC_CFLAGS)
+AC_SUBST(PIC_LDFLAGS)  
+AC_SUBST(PIE_CFLAGS)
+AC_SUBST(PIE_LDFLAGS)  
 
+if ld_supports_flag --gc-sections; then
+  SECTION_LDFLAGS="-Wl,--gc-sections $SECTION_LDFLAGS"
+  CFLAGS="-ffunction-sections -fdata-sections $CFLAGS"
+fi
+AC_SUBST(SECTION_FLAGS)
+AC_SUBST(SECTION_LDFLAGS)
+AC_MSG_RESULT($ac_gcsections)
+
+# Add -D_POSIX_PTHREAD_SEMANTICS if on Solaris
+#
+case $host_os in
+    solaris*)
+       CFLAGS="$CFLAGS -D_POSIX_PTHREAD_SEMANTICS" ;;
+esac
+    
 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 "$CXXFLAGS" | sed -e 's/ +/ /g'`
@@ -410,8 +554,14 @@ if test -n "$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>
+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>
+]],
+[[
        void f (int i, ...) {
        va_list args1, args2;
        va_start (args1, i);
@@ -423,11 +573,13 @@ AC_CACHE_CHECK([whether va_lists can be copied by value],dbus_cv_va_val_copy,[
        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])
 ])
+AC_LANG_POP(C)
 
 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])
@@ -436,7 +588,7 @@ 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
+have_atomic_inc_cond=0
 if test x"$GCC" = xyes; then
   if test "x$enable_ansi" = "xyes"; then
     AC_MSG_RESULT([no])
@@ -451,18 +603,13 @@ if test x"$GCC" = xyes; then
             AC_MSG_RESULT([darwin])
             # check at compile-time, so that it is possible to build universal
             # (with multiple architectures at once on the compile line)
-            AH_VERBATIM([DBUS_USE_ATOMIC_INT_486_DARWIN], [
-              #if (defined(__i386__) || defined(__x86_64__))
-              # define DBUS_USE_ATOMIC_INT_486 1
-              #endif
-            ])
+            have_atomic_inc_cond="(defined(__i386__) || defined(__x86_64__))"
             ;;
           *)
             AC_MSG_RESULT([i486])
-            AC_DEFINE_UNQUOTED(DBUS_USE_ATOMIC_INT_486, 1, [Use atomic integer implementation for 486])
+            have_atomic_inc_cond=1
             ;;
         esac
-        have_atomic_inc=yes
         ;;
       *)
         AC_MSG_RESULT([no])
@@ -470,37 +617,98 @@ if test x"$GCC" = xyes; then
     esac
   fi
 fi
-if test x$have_atomic_inc = xyes ; then
-  case $host_os in
-    darwin*)
-      AH_VERBATIM([DBUS_HAVE_ATOMIC_INT_DARWIN], [
-        #if (defined(__i386__) || defined(__x86_64__))
-        # define DBUS_HAVE_ATOMIC_INT 1
-        #endif
-      ])
-      ;;
-    *)
-      AC_DEFINE_UNQUOTED(DBUS_HAVE_ATOMIC_INT, 1, [Some atomic integer implementation present])
-      ;;
-  esac
-fi
+AC_DEFINE_UNQUOTED([DBUS_USE_ATOMIC_INT_486_COND], [$have_atomic_inc_cond],
+                   [Always defined; expands to 1 if we should use atomic integer implementation for 486, else 0])
+AC_DEFINE_UNQUOTED(DBUS_HAVE_ATOMIC_INT_COND, [$have_atomic_inc_cond],
+                   [Always defined; expands to 1 if we have an atomic integer implementation, else 0])
 
 #### Various functions
 AC_CHECK_LIB(socket,socket)
-AC_CHECK_LIB(nsl,gethostbyname)
-
-AC_CHECK_FUNCS(vsnprintf vasprintf nanosleep usleep poll setenv unsetenv socketpair getgrouplist fpathconf dirfd)
+AC_CHECK_FUNC(gethostbyname,,[AC_CHECK_LIB(nsl,gethostbyname)])
+
+AC_CHECK_FUNCS(vsnprintf vasprintf nanosleep usleep setenv clearenv unsetenv socketpair getgrouplist fpathconf setrlimit poll)
+
+#### Check for broken poll; taken from Glib's configure
+
+AC_MSG_CHECKING([for broken poll])
+AC_RUN_IFELSE([AC_LANG_SOURCE([[
+    #include <stdlib.h>
+    #include <fcntl.h>
+    #include <poll.h>
+    #ifdef HAVE_SYS_POLL_H
+    #include <sys/poll.h>
+    #endif
+    int main(void) {
+      struct pollfd fds[1];
+      int fd;
+      fd = open("/dev/null", 1);
+      fds[0].fd = fd;
+      fds[0].events = POLLIN;
+      fds[0].revents = 0;
+      if (poll(fds, 1, 0) < 0 || (fds[0].revents & POLLNVAL) != 0) {
+            exit(1);  /* Does not work for devices -- fail */
+      }
+      exit(0);
+    }]])],
+  [broken_poll=no],
+  [broken_poll=yes
+   AC_DEFINE(BROKEN_POLL,1,[poll doesn't work on devices])],
+  [broken_poll="no (cross compiling)"])
+AC_MSG_RESULT($broken_poll)
+
+AC_MSG_CHECKING(for dirfd)
+AC_TRY_LINK([
+#include <sys/types.h>
+#include <dirent.h>
+],[
+DIR *dirp;
+dirp = opendir(".");
+dirfd(dirp);
+closedir(dirp);
+], 
+dbus_have_dirfd=yes, dbus_have_dirfd=no)
+AC_MSG_RESULT($dbus_have_dirfd)
+if test "$dbus_have_dirfd" = yes; then
+       AC_DEFINE(HAVE_DIRFD,1,[Have dirfd function])
+else
+       AC_MSG_CHECKING(for DIR *dirp->dd_fd)    
+       AC_TRY_LINK([
+#include <sys/types.h>
+#include <dirent.h>
+       ],[
+DIR *dirp;
+int fd;
+dirp = opendir(".");
+fd = dirp->dd_fd;
+closedir(dirp);
+       ],
+       dbus_have_ddfd=yes, dbus_have_ddfd=no)
+       AC_MSG_RESULT($dbus_have_ddfd)
+       if test "$dbus_have_ddfd" = yes; then
+               AC_DEFINE(HAVE_DDFD,1,[Have the ddfd member of DIR])
+       fi
+fi
 
 AC_CHECK_HEADERS(execinfo.h, [AC_CHECK_FUNCS(backtrace)])
 
 AC_CHECK_HEADERS(errno.h)
 
+AC_CHECK_HEADERS(unistd.h)
+
+# 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
+AC_LANG_PUSH(C)
 AC_CACHE_CHECK([for posix getpwnam_r],
                ac_cv_func_posix_getpwnam_r,
-               [AC_TRY_RUN([
+               [AC_RUN_IFELSE([AC_LANG_PROGRAM(
+[[
 #include <errno.h>
 #include <pwd.h>
-int main () { 
+]],
+[[
     char buffer[10000];
     struct passwd pwd, *pwptr = &pwd;
     int error;
@@ -509,9 +717,13 @@ int main () {
                         sizeof (buffer), &pwptr);
    return (error < 0 && errno == ENOSYS) 
           || error == ENOSYS; 
-}               ],
+]])],
        [ac_cv_func_posix_getpwnam_r=yes],
-       [ac_cv_func_posix_getpwnam_r=no])])
+       [ac_cv_func_posix_getpwnam_r=no],
+        [ac_cv_func_posix_getpwnam_r=yes]
+)])
+AC_LANG_POP(C)
+
 if test "$ac_cv_func_posix_getpwnam_r" = yes; then
        AC_DEFINE(HAVE_POSIX_GETPWNAM_R,1,
                [Have POSIX function getpwnam_r])
@@ -551,6 +763,9 @@ 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 needed on darwin for NAME_MAX
+AC_CHECK_HEADERS(sys/syslimits.h)
+
 dnl check for flavours of varargs macros (test from GLib)
 AC_MSG_CHECKING(for ISO C99 varargs macros in C)
 AC_TRY_COMPILE([],[
@@ -596,9 +811,11 @@ AC_CHECK_FUNCS(getpeerucred getpeereid)
 
 #### Abstract sockets
 
-AC_MSG_CHECKING(abstract socket namespace)
+if ! test x$enable_abstract_sockets = xno; then
 AC_LANG_PUSH(C)
-AC_RUN_IFELSE([AC_LANG_PROGRAM(
+AC_CACHE_CHECK([abstract socket namespace],
+               ac_cv_have_abstract_sockets,
+               [AC_RUN_IFELSE([AC_LANG_PROGRAM(
 [[
 #include <sys/types.h>
 #include <stdlib.h>
@@ -634,22 +851,23 @@ AC_RUN_IFELSE([AC_LANG_PROGRAM(
   else 
     exit (0);
 ]])],
-              [have_abstract_sockets=yes],
-              [have_abstract_sockets=no])
+              [ac_cv_have_abstract_sockets=yes],
+              [ac_cv_have_abstract_sockets=no]
+)])
 AC_LANG_POP(C)
-AC_MSG_RESULT($have_abstract_sockets)
+fi
 
 if test x$enable_abstract_sockets = xyes; then
-    if test x$have_abstract_sockets = xno; then
+    if test x$ac_cv_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;
+   ac_cv_have_abstract_sockets=no;
 fi
 
-if test x$have_abstract_sockets = xyes ; then
+if test x$ac_cv_have_abstract_sockets = xyes ; then
    DBUS_PATH_OR_ABSTRACT=abstract
    AC_DEFINE(HAVE_ABSTRACT_SOCKETS,1,[Have abstract socket namespace])
 else
@@ -667,34 +885,31 @@ 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 >= 2.6.0, 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 ! $have_expat ; then
            AC_MSG_ERROR([Explicitly requested expat but expat not found])
         fi
+        dbus_use_expat=true
 elif test x$with_xml = xlibxml; then
-        dbus_use_libxml=true
+        PKG_CHECK_MODULES(LIBXML, libxml-2.0 >= 2.6.0, have_libxml=true, have_libxml=false)
         if ! $have_libxml ; then
            AC_MSG_ERROR([Explicitly requested libxml but libxml not found])
         fi
+        dbus_use_libxml=true
 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 $have_libxml ; then
-                with_xml=libxml
-                dbus_use_libxml=true
-        else
-                AC_MSG_ERROR([No XML library found, check config.log for failed attempts])
+        if test x$have_expat = xfalse; then
+                AC_MSG_ERROR([Could not find expat.h, check config.log for failed attempts])
         fi
+       ### By default, only use Expat since it's tested and known to work.  If you're a
+       ### general-purpose OS vendor, please don't enable libxml.  For embedded use
+       ### if your OS is built around libxml, that's another case.
+       dbus_use_expat=true
 fi
 
 AM_CONDITIONAL(DBUS_USE_EXPAT, $dbus_use_expat)
@@ -709,6 +924,10 @@ if $dbus_use_libxml; then
    XML_CFLAGS=$LIBXML_CFLAGS
 fi
 
+# Thread lib detection
+AC_CHECK_FUNC(pthread_cond_timedwait,,[AC_CHECK_LIB(pthread,pthread_cond_timedwait,
+                                                    [THREAD_LIBS="-lpthread"])])
+
 # SELinux detection
 if test x$enable_selinux = xno ; then
     have_selinux=no;
@@ -743,17 +962,37 @@ fi
 AM_CONDITIONAL(HAVE_SELINUX, test x$have_selinux = xyes)
 
 if test x$have_selinux = xyes ; then
-    SELINUX_LIBS="-lselinux -lpthread"
+    # 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"])])
+
+    SELINUX_LIBS="-lselinux $SELINUX_THREAD_LIBS"
     AC_DEFINE(HAVE_SELINUX,1,[SELinux support])
 else
     SELINUX_LIBS=
 fi
 
+# 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])
+
+fi
+
+AM_CONDITIONAL(DBUS_BUS_ENABLE_INOTIFY, test x$have_inotify = xyes)
+
 # dnotify checks
 if test x$enable_dnotify = xno ; then
     have_dnotify=no;
 else
-    if test x$target_os = xlinux-gnu -o x$target_os = xlinux; then
+    if test x$have_inotify = xno -a x$host_os = xlinux-gnu -o x$host_os = xlinux; then
         have_dnotify=yes;      
     else
         have_dnotify=no;
@@ -791,7 +1030,7 @@ dnl console owner file
 if test x$enable_console_owner_file = xno ; then
     have_console_owner_file=no;
 else
-    case $target_os in
+    case $host_os in
     solaris*)
         have_console_owner_file=yes;
         AC_DEFINE(HAVE_CONSOLE_OWNER_FILE,1,[Have console owner file])
@@ -803,19 +1042,63 @@ fi
 
 AM_CONDITIONAL(HAVE_CONSOLE_OWNER_FILE, test x$have_console_owner_file = xyes)
 
+# libaudit detection
+if test x$enable_libaudit = xno ; then
+    have_libaudit=no;
+else
+    # See if we have audit daemon & capabilities library
+    AC_CHECK_LIB(audit, audit_log_user_avc_message, 
+                 have_libaudit=yes, have_libaudit=no)
+    if test x$have_libaudit = xyes ; then
+        AC_CHECK_LIB(cap, cap_set_proc, 
+                 have_libaudit=yes, have_libaudit=no)
+    fi
+fi
+
+AM_CONDITIONAL(HAVE_LIBAUDIT, test x$have_libaudit = xyes)
+
+if test x$have_libaudit = xyes ; then
+    SELINUX_LIBS="$SELINUX_LIBS -laudit"
+    LIBS="-lcap $LIBS"
+    AC_DEFINE(HAVE_LIBAUDIT,1,[audit daemon SELinux support])
+fi
+
+# Check for ADT API
+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 $LIBS"
+   AC_MSG_RESULT(yes)
+else
+   AC_MSG_RESULT(no)
+fi
+
+
 #### Set up final flags
 DBUS_CLIENT_CFLAGS=
-DBUS_CLIENT_LIBS=
+DBUS_CLIENT_LIBS="$THREAD_LIBS"
 AC_SUBST(DBUS_CLIENT_CFLAGS)
 AC_SUBST(DBUS_CLIENT_LIBS)
 
-DBUS_BUS_CFLAGS=$XML_CFLAGS
-DBUS_BUS_LIBS="$XML_LIBS $SELINUX_LIBS $INTLLIBS"
+DBUS_BUS_CFLAGS="$XML_CFLAGS"
+DBUS_BUS_LIBS="$XML_LIBS $SELINUX_LIBS $INTLLIBS $THREAD_LIBS $ADT_LIBS"
 AC_SUBST(DBUS_BUS_CFLAGS)
 AC_SUBST(DBUS_BUS_LIBS)
 
+DBUS_LAUNCHER_CFLAGS="$XML_CFLAGS"
+DBUS_LAUNCHER_LIBS="$XML_LIBS $THREAD_LIBS"
+AC_SUBST(DBUS_LAUNCHER_CFLAGS)
+AC_SUBST(DBUS_LAUNCHER_LIBS)
+
 DBUS_TEST_CFLAGS=
-DBUS_TEST_LIBS=
+DBUS_TEST_LIBS="$THREAD_LIBS"
 AC_SUBST(DBUS_TEST_CFLAGS)
 AC_SUBST(DBUS_TEST_LIBS)
 
@@ -902,55 +1185,17 @@ 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...
+#### Have to go $localstatedir->$prefix/var->/usr/local/var
 
 #### 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 $LIBDIR_TMP`
-AC_SUBST(EXPANDED_LIBDIR)
-
-DATADIR_TMP="$datadir"
-EXPANDED_DATADIR=`eval echo $DATADIR_TMP`
-AC_SUBST(EXPANDED_DATADIR)
-
-## put prefix and exec_prefix back
-prefix=$old_prefix
-exec_prefix=$old_exec_prefix
+AS_AC_EXPAND(EXPANDED_LOCALSTATEDIR, "$localstatedir")
+AS_AC_EXPAND(EXPANDED_SYSCONFDIR, "$sysconfdir")
+AS_AC_EXPAND(EXPANDED_BINDIR, "$bindir")
+AS_AC_EXPAND(EXPANDED_LIBDIR, "$libdir")
+AS_AC_EXPAND(EXPANDED_LIBEXECDIR, "$libexecdir")
+AS_AC_EXPAND(EXPANDED_DATADIR, "$datadir")
 
 #### Check our operating system
 operating_system=unknown
@@ -1040,6 +1285,11 @@ fi
 AC_SUBST(DBUS_USER)
 AC_DEFINE_UNQUOTED(DBUS_USER,"$DBUS_USER", [User for running the system BUS daemon])
 
+#### 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])
+
 #### Directory to install dbus-daemon
 if test -z "$with_dbus_daemondir" ; then
     DBUS_DAEMONDIR=$EXPANDED_BINDIR
@@ -1049,6 +1299,16 @@ fi
 AC_SUBST(DBUS_DAEMONDIR)
 AC_DEFINE_UNQUOTED(DBUS_DAEMONDIR,"$DBUS_DAEMONDIR", [Directory for installing the DBUS daemon])
 
+#### Directory to install the other binaries
+DBUS_BINDIR="$EXPANDED_BINDIR"
+AC_SUBST(DBUS_BINDIR)
+AC_DEFINE_UNQUOTED(DBUS_BINDIR,"$DBUS_BINDIR", [Directory for installing the binaries])
+
+#### 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])
+
 #### Tell tests where to find certain stuff in builddir
 
 DBUS_PWD=`pwd`
@@ -1059,12 +1319,26 @@ AC_DEFINE_UNQUOTED(TEST_$1, "$TEST_$1",
 AC_SUBST(TEST_$1)
 ])
 
-TEST_PATH(SERVICE_DIR, data/valid-service-files)
+TEST_PATH(VALID_SERVICE_DIR, data/valid-service-files)
+TEST_PATH(INVALID_SERVICE_DIR, data/invalid-service-files)
+TEST_PATH(VALID_SERVICE_SYSTEM_DIR, data/valid-service-files-system)
+TEST_PATH(INVALID_SERVICE_SYSTEM_DIR, data/invalid-service-files-system)
 TEST_PATH(SERVICE_BINARY, test-service)
 TEST_PATH(SHELL_SERVICE_BINARY, test-shell-service)
 TEST_PATH(EXIT_BINARY, test-exit)
 TEST_PATH(SEGFAULT_BINARY, test-segfault)
 TEST_PATH(SLEEP_FOREVER_BINARY, test-sleep-forever)
+TEST_PATH(PRIVSERVER_BINARY, name-test/test-privserver)
+
+AC_DEFINE_UNQUOTED(TEST_BUS_BINARY, "$DBUS_PWD/bus/dbus-daemon",
+                   [Full path to the daemon in the builddir])
+AC_SUBST(TEST_BUS_BINARY)
+
+## Export the non-setuid external helper
+TEST_LAUNCH_HELPER_BINARY="$DBUS_PWD/bus/dbus-daemon-launch-helper-test"
+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])
 
 #### Find socket directories
 if ! test -z "$TMPDIR" ; then
@@ -1093,6 +1367,20 @@ fi
 AC_DEFINE_UNQUOTED(DBUS_SESSION_SOCKET_DIR, "$DBUS_SESSION_SOCKET_DIR", [Where per-session bus puts its sockets])
 AC_SUBST(DBUS_SESSION_SOCKET_DIR)
 
+AC_DEFINE_UNQUOTED(DBUS_UNIX, "1", [Defined on UNIX and Linux systems and not on Windows])
+
+# darwin needs this to initialize the environment
+AC_CHECK_HEADERS(crt_externs.h)
+AC_CHECK_FUNC(_NSGetEnviron, [AC_DEFINE(HAVE_NSGETENVIRON, 1, [Define if your system needs _NSGetEnviron to set up the environment])])
+AH_VERBATIM(_DARWIN_ENVIRON,
+[
+#if defined(HAVE_NSGETENVIRON) && defined(HAVE_CRT_EXTERNS_H)
+# include <sys/time.h>
+# include <crt_externs.h>
+# define environ (*_NSGetEnviron())
+#endif
+])
+
 AC_OUTPUT([
 Doxyfile
 dbus/dbus-arch-deps.h
@@ -1111,10 +1399,20 @@ doc/Makefile
 dbus-1.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
-test/data/valid-service-files/debug-shell-echo-success.service
-test/data/valid-service-files/debug-shell-echo-fail.service
+test/data/valid-config-files-system/debug-allow-all-pass.conf
+test/data/valid-config-files-system/debug-allow-all-fail.conf
+test/data/valid-service-files/org.freedesktop.DBus.TestSuite.PrivServer.service
+test/data/valid-service-files/org.freedesktop.DBus.TestSuiteEchoService.service
+test/data/valid-service-files/org.freedesktop.DBus.TestSuiteSegfaultService.service
+test/data/valid-service-files/org.freedesktop.DBus.TestSuiteShellEchoServiceSuccess.service
+test/data/valid-service-files/org.freedesktop.DBus.TestSuiteShellEchoServiceFail.service
+test/data/valid-service-files-system/org.freedesktop.DBus.TestSuiteEchoService.service
+test/data/valid-service-files-system/org.freedesktop.DBus.TestSuiteSegfaultService.service
+test/data/valid-service-files-system/org.freedesktop.DBus.TestSuiteShellEchoServiceSuccess.service
+test/data/valid-service-files-system/org.freedesktop.DBus.TestSuiteShellEchoServiceFail.service
+test/data/invalid-service-files-system/org.freedesktop.DBus.TestSuiteNoExec.service
+test/data/invalid-service-files-system/org.freedesktop.DBus.TestSuiteNoUser.service
+test/data/invalid-service-files-system/org.freedesktop.DBus.TestSuiteNoService.service
 ])
 
 dnl ==========================================================================
@@ -1125,6 +1423,7 @@ echo "
        prefix:                   ${prefix}
        exec_prefix:              ${exec_prefix}
         libdir:                   ${EXPANDED_LIBDIR}
+        libexecdir:               ${EXPANDED_LIBEXECDIR}
         bindir:                   ${EXPANDED_BINDIR}
         sysconfdir:               ${EXPANDED_SYSCONFDIR}
         localstatedir:            ${EXPANDED_LOCALSTATEDIR}
@@ -1148,14 +1447,17 @@ echo "
         Building assertions:      ${enable_asserts}
         Building checks:          ${enable_checks}
         Building SELinux support: ${have_selinux}
+        Building inotify support: ${have_inotify}
         Building dnotify support: ${have_dnotify}
+        Building kqueue support:  ${have_kqueue}
         Building X11 code:        ${enable_x11}
         Building Doxygen docs:    ${enable_doxygen_docs}
         Building XML docs:        ${enable_xml_docs}
+        Building cache support:   ${enable_userdb_cache}
         Gettext libs (empty OK):  ${INTLLIBS}
         Using XML parser:         ${with_xml}
         Init scripts style:       ${with_init_scripts}
-        Abstract socket names:    ${have_abstract_sockets}
+        Abstract socket names:    ${ac_cv_have_abstract_sockets}
         System bus socket:        ${DBUS_SYSTEM_SOCKET}
         System bus address:       ${DBUS_SYSTEM_BUS_DEFAULT_ADDRESS}
         System bus PID file:      ${DBUS_SYSTEM_PID_FILE}
@@ -1186,3 +1488,7 @@ fi
 if test x$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
+if test x$dbus_use_libxml = xtrue; then
+        echo
+       echo "WARNING: You have chosen to use libxml as your xml parser however this code path is not maintained by the D-Bus developers and if it breaks you get to keep the pieces.  If you have selected this option in err please reconfigure with expat (e.g. --with-xml=expat)."
+fi