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Check for X even if X11 autolaunching is disabled

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DBUS_ENABLE_X11_AUTOLAUNCH obviously requires DBUS_BUILD_X11. However,
the converse is not true.

If DBUS_BUILD_X11 is defined, dbus-launch will be able to connect to
the X server to determine when the session ends; most distributors will
want this, but it can be disabled with the standard Autoconf option
--without-x.

If DBUS_ENABLE_X11_AUTOLAUNCH is *also* defined, dbus-launch and libdbus
will be willing to perform autolaunch. Again, most distributors will want
this, but it can be disabled with --disable-x11-autolaunch.

Bug: https://bugs.freedesktop.org/show_bug.cgi?id=19997
Reviewed-by: Colin Walters <walters@verbum.org>
This commit is contained in:
Simon McVittie 2011-02-25 12:49:54 +00:00
parent 2bfac1b73d
commit cea055514a
5 changed files with 24 additions and 11 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

5
cmake/config.h.cmake
View file

@ -83,6 +83,11 @@
#endif
#cmakedefine DBUS_BUILD_X11 1
/* For the moment, the cmake build system doesn't have an equivalent of
* the autoconf build system's --disable-x11-autolaunch */
#ifdef DBUS_BUILD_X11
# define DBUS_ENABLE_X11_AUTOLAUNCH 1
#endif
#define _DBUS_VA_COPY_ASSIGN(a1,a2) { a1 = a2; }

13
configure.ac
View file

@ -1075,9 +1075,6 @@ if test "x$dbus_win" = xyes; then
fi
enable_x11_autolaunch=no
fi
if test "x$enable_x11_autolaunch" = xno; then
have_x11=no
else
AC_PATH_XTRA
@ -1095,11 +1092,17 @@ if test "x$enable_x11_autolaunch,$have_x11" = xyes,no; then
AC_MSG_ERROR([X11 auto-launch requires X headers/libraries])
else
# move from "auto" to "yes" or "no" if necessary
enable_x11_autolaunch="$have_x11"
if test "x$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])
fi
if test "x$enable_x11_autolaunch" = xyes ; then
AC_DEFINE([DBUS_BUILD_X11], [1], [Define to enable X11 auto-launch])
AC_DEFINE([DBUS_ENABLE_X11_AUTOLAUNCH], [1], [Define to enable X11 auto-launch])
fi
AC_SUBST([DBUS_X_CFLAGS])

2
dbus/dbus-sysdeps-unix.c
View file

@ -3257,7 +3257,7 @@ _dbus_get_autolaunch_address (const char *scope,
DBusString *address,
DBusError *error)
{
#ifdef DBUS_BUILD_X11
#ifdef DBUS_ENABLE_X11_AUTOLAUNCH
/* Perform X11-based autolaunch. (We also support launchd-based autolaunch,
* but that's done elsewhere, and if it worked, this function wouldn't
* be called.) */

2
test/name-test/test-autolaunch.c
View file

@ -20,7 +20,7 @@ main (int argc, char *argv[])
conn = dbus_bus_get (DBUS_BUS_SESSION, &error);
#ifdef DBUS_BUILD_X11
#ifdef DBUS_ENABLE_X11_AUTOLAUNCH
if (dbus_error_is_set (&error))
{
fprintf (stderr, "*** Failed to autolaunch session bus: %s\n",

13
tools/dbus-launch.c
View file

@ -917,7 +917,11 @@ main (int argc, char **argv)
fprintf (stderr, "Autolaunch requested, but X11 support not compiled in.\n"
"Cannot continue.\n");
exit (1);
#else
#else /* DBUS_BUILD_X11 */
#ifndef DBUS_ENABLE_X11_AUTOLAUNCH
fprintf (stderr, "X11 autolaunch support disabled at compile time.\n");
exit (1);
#else /* DBUS_ENABLE_X11_AUTOLAUNCH */
char *address;
pid_t pid;
long wid;
@ -954,11 +958,12 @@ main (int argc, char **argv)
bourne_shell_syntax, binary_syntax, argc, argv, remaining_args);
exit (0);
}
#endif /* DBUS_ENABLE_X11_AUTOLAUNCH */
}
else if (read_machine_uuid_if_needed())
else if (read_machine_uuid_if_needed())
{
x11_init();
#endif
#endif /* DBUS_BUILD_X11 */
}
@ -1177,7 +1182,7 @@ main (int argc, char **argv)
close (bus_pid_to_launcher_pipe[READ_END]);
#ifdef DBUS_BUILD_X11
#ifdef DBUS_ENABLE_X11_AUTOLAUNCH
if (xdisplay != NULL)
{
verbose("Saving x11 address\n");