configure.ac 60.5 KB
Newer Older
1
dnl -*- mode: m4 -*-
2
AC_PREREQ([2.63])
3

4
m4_define([dbus_major_version], [1])
Simon McVittie's avatar
Simon McVittie committed
5
m4_define([dbus_minor_version], [8])
Simon McVittie's avatar
Simon McVittie committed
6
m4_define([dbus_micro_version], [7])
7 8
m4_define([dbus_version],
          [dbus_major_version.dbus_minor_version.dbus_micro_version])
9
AC_INIT([dbus],[dbus_version],[https://bugs.freedesktop.org/enter_bug.cgi?product=dbus],[dbus])
10

11
AC_CANONICAL_HOST
12

13
AC_CONFIG_HEADERS([config.h])
14 15
AC_CONFIG_MACRO_DIR([m4])

16
AM_INIT_AUTOMAKE([1.10 tar-ustar -Wno-portability])
17

18 19
GETTEXT_PACKAGE=dbus-1
AC_SUBST(GETTEXT_PACKAGE)
20
AC_DEFINE_UNQUOTED(GETTEXT_PACKAGE,"$GETTEXT_PACKAGE",[The name of the gettext domain])
21

22 23 24
# 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])
25

26 27
m4_ifdef([AM_SILENT_RULES],[AM_SILENT_RULES([yes])])

28 29
AC_DEFINE_UNQUOTED(DBUS_DAEMON_NAME,"dbus-daemon",[Name of executable])

30
# libtool versioning - this applies to libdbus
John Palmieri's avatar
John Palmieri committed
31 32 33
#
# See http://sources.redhat.com/autobook/autobook/autobook_91.html#SEC91 for details
#
34 35

## increment if the interface has additions, changes, removals.
36
LT_CURRENT=11
37 38 39

## increment any time the source changes; set to
##  0 if you increment CURRENT
Simon McVittie's avatar
Simon McVittie committed
40
LT_REVISION=6
41 42 43 44

## 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.
45
LT_AGE=8
46

John Palmieri's avatar
John Palmieri committed
47 48 49 50
AC_SUBST(LT_CURRENT)
AC_SUBST(LT_REVISION)
AC_SUBST(LT_AGE)

51 52 53 54 55 56 57 58 59
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)
John Palmieri's avatar
John Palmieri committed
60

61
AC_PROG_CC
62
AM_PROG_CC_C_O
63
AC_PROG_CXX
64
AC_USE_SYSTEM_EXTENSIONS
65 66
AC_ISC_POSIX
AC_HEADER_STDC
67
AC_C_INLINE
68
AM_PROG_LIBTOOL
69
AC_PROG_MKDIR_P
70 71
COMPILER_COVERAGE
COMPILER_OPTIMISATIONS
72
PKG_PROG_PKG_CONFIG
73

74 75 76 77
# Initialize libtool
LT_INIT([win32-dll])
LT_LANG([Windows Resource])

78 79
# Set some internal variables depending on the platform for later use.
dbus_win=no
80
dbus_cygwin=no
81 82
dbus_unix=no
case "${host}" in
83 84 85 86
    *-mingw32ce*)
        dbus_win=yes
        dbus_wince=yes
        ;;
87 88 89
    *-mingw32*)
        dbus_win=yes
        ;;
90 91 92 93
    *-cygwin*)
        dbus_cygwin=yes
        dbus_unix=yes
        ;;
94 95 96 97 98 99 100 101
    *)
        dbus_unix=yes
       ;;
esac

# Special defines for certain platforms
if test "$dbus_win" = yes; then
    AC_DEFINE(DBUS_WIN,1,[Defined if we run on a W32 API based system])
102 103 104
    # Yes, on Windows it really does work like this.
    # http://support.microsoft.com/kb/111855
    AC_DEFINE(FD_SETSIZE,8192,[The maximum number of connections that can be handled at once])
105 106
    BUILD_TIMESTAMP=`date --iso-8601=minutes`
    AC_SUBST(BUILD_TIMESTAMP)
107 108 109
    # Assume DBUS_VERSION is always three numbers
    BUILD_FILEVERSION=`echo "$DBUS_VERSION" | sed -e 's/\./,/g'`,0
    AC_SUBST(BUILD_FILEVERSION)
110 111 112 113
    AC_CHECK_TOOL(WINDRES, windres, no)
    if test "$WINDRES" = no; then
      AC_MSG_ERROR([*** Could not find an implementation of windres in your PATH.])
    fi
114 115
    if test "$dbus_wince" = yes; then
      AC_DEFINE(DBUS_WINCE,1,[Defined if we run on a W32 CE API based system])
116
      AC_DEFINE(_WIN32_WCE, 0x0502, [Defined to get newer W32 CE APIs])
117
    fi
118 119 120
else
    AC_DEFINE(DBUS_UNIX,1,[Defined if we run on a Unix-based system])
fi
121 122 123
if test "$dbus_cygwin" = yes; then
    AC_DEFINE(DBUS_CYGWIN,1,[Defined if we run on a cygwin API based system])
fi
124

125
AM_CONDITIONAL(DBUS_WIN, test "$dbus_win" = yes)
126
AM_CONDITIONAL(DBUS_WINCE, test "$dbus_wince" = yes)
127
AM_CONDITIONAL(DBUS_UNIX, test "$dbus_unix" = yes)
128
AM_CONDITIONAL(DBUS_CYGWIN, test "$dbus_cygwin" = yes)
129

130 131 132
# this must come first: other options use this to set their defaults
AC_ARG_ENABLE([developer],
  [AS_HELP_STRING([--enable-developer],
133 134 135
    [set defaults to be appropriate for a D-Bus developer instead of a distribution/end-user])],
  [],
  [enable_developer=no])
136

137 138 139 140 141 142 143 144 145 146
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])

147
AC_ARG_ENABLE(ansi, AS_HELP_STRING([--enable-ansi],[enable -ansi -pedantic gcc flags]),enable_ansi=$enableval,enable_ansi=no)
148 149
AC_ARG_ENABLE(verbose-mode, AS_HELP_STRING([--enable-verbose-mode],[support verbose debug mode]),enable_verbose_mode=$enableval,enable_verbose_mode=$enable_developer)
AC_ARG_ENABLE(asserts, AS_HELP_STRING([--enable-asserts],[include assertion checks]),enable_asserts=$enableval,enable_asserts=$enable_developer)
150 151 152 153 154
AC_ARG_ENABLE(checks, AS_HELP_STRING([--enable-checks],[include sanity checks on public API]),enable_checks=$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)
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)
155
AC_ARG_ENABLE(libaudit,AS_HELP_STRING([--enable-libaudit],[build audit daemon support for SELinux]),enable_libaudit=$enableval,enable_libaudit=auto)
156
AC_ARG_ENABLE(inotify, AS_HELP_STRING([--enable-inotify],[build with inotify support (linux only)]),enable_inotify=$enableval,enable_inotify=auto)
157
AC_ARG_ENABLE(kqueue, AS_HELP_STRING([--enable-kqueue],[build with kqueue support]),enable_kqueue=$enableval,enable_kqueue=auto)
John Palmieri's avatar
John Palmieri committed
158
AC_ARG_ENABLE(console-owner-file, AS_HELP_STRING([--enable-console-owner-file],[enable console owner file]),enable_console_owner_file=$enableval,enable_console_owner_file=auto)
Benjamin Reed's avatar
Benjamin Reed committed
159
AC_ARG_ENABLE(launchd, AS_HELP_STRING([--enable-launchd],[build with launchd auto-launch support]),enable_launchd=$enableval,enable_launchd=auto)
160
AC_ARG_ENABLE(systemd, AS_HELP_STRING([--enable-systemd],[build with systemd at_console support]),enable_systemd=$enableval,enable_systemd=auto)
161 162 163 164 165 166 167

AC_ARG_WITH(init-scripts, AS_HELP_STRING([--with-init-scripts=[redhat]],[Style of init scripts to install]))
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]))
John Palmieri's avatar
John Palmieri committed
168
AC_ARG_WITH(console-owner-file, AS_HELP_STRING([--with-console-owner-file=[filename]],[file whose owner determines current console owner]))
Benjamin Reed's avatar
Benjamin Reed committed
169
AC_ARG_WITH(launchd-agent-dir, AS_HELP_STRING([--with-launchd-agent-dir=[dirname]],[directory to put the launchd agent (default: /Library/LaunchAgents)]))
170
AC_ARG_WITH(dbus_user, AS_HELP_STRING([--with-dbus-user=<user>],[User for running the DBUS daemon (messagebus)]))
John Palmieri's avatar
John Palmieri committed
171
AC_ARG_WITH(dbus_daemondir, AS_HELP_STRING([--with-dbus-daemondir=[dirname]],[Directory for installing the DBUS daemon]))
172

173 174 175
AC_ARG_ENABLE([embedded-tests],
  AS_HELP_STRING([--enable-embedded-tests],
    [enable unit test code in the library and binaries]),
176
  [], [enable_embedded_tests=$enable_developer])
177 178 179 180 181 182 183 184 185
AC_ARG_ENABLE([modular-tests],
  AS_HELP_STRING([--enable-modular-tests],
    [enable modular regression tests (requires GLib)]),
  [], [enable_modular_tests=auto])
# --enable-tests overrides both --enable-embedded-tests and
# --enable-modular-tests
AC_ARG_ENABLE([tests],
  AS_HELP_STRING([--enable-tests],
    [enable/disable all tests, overriding embedded-tests/modular-tests]),
186 187 188 189 190 191 192 193
  [
  if test "x$enableval" = xyes; then
    AC_MSG_NOTICE([Full test coverage was requested with --enable-tests=yes])
    AC_MSG_NOTICE([This has many dependencies (GLib, dbus-glib, Python)])
  fi
  enable_embedded_tests=$enableval
  enable_modular_tests=$enableval
  ],
194 195 196
  [])

# DBUS_ENABLE_EMBEDDED_TESTS controls unit tests built in to .c files
197
# and also some stuff in the test/ subdir.
198 199 200 201 202 203 204 205 206 207 208
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.
209

210
AC_DEFINE([GLIB_VERSION_MIN_REQUIRED], [GLIB_VERSION_2_26], [Ignore post-2.26 deprecations])
211
AC_DEFINE([GLIB_VERSION_MAX_ALLOWED], [GLIB_VERSION_2_32], [Prevent post-2.32 APIs])
212

213 214
with_glib=yes

215 216
AS_IF([test "x$enable_modular_tests" != xno],
  [
217
  PKG_CHECK_MODULES([GLIB], [glib-2.0 >= 2.24, gio-2.0 >= 2.24],
218 219
    [],
    [if test "x$enable_modular_tests" = xyes; then
220 221
      AC_MSG_NOTICE([Full test coverage (--enable-modular-tests=yes or --enable-tests=yes) requires GLib])
      AC_MSG_ERROR([$GLIB_ERRORS])
222
    else # assumed to be "auto"
223
      with_glib=no
224
    fi])
225 226 227 228 229 230 231 232 233 234 235
  ],
  [with_glib=no])

# Not required, because we can use internal APIs (but that makes the
# "installable tests" less useful as integration tests)
AC_ARG_WITH([dbus_glib],
  [AS_HELP_STRING([--with-dbus-glib], [Use dbus-glib for regression tests])],
  [],
  [with_dbus_glib=auto])
AS_IF([test "x$with_dbus_glib" != xno],
  [PKG_CHECK_MODULES([DBUS_GLIB], [dbus-glib-1],
236
    [],
237 238 239 240 241 242 243
    [AS_IF([test "x$with_dbus_glib" = xyes],
      dnl specifically requested, but not found
      [AC_MSG_ERROR([$DBUS_GLIB_ERRORS])],
      dnl else: assumed to be "auto"
      [with_dbus_glib=no])])])
AM_CONDITIONAL([DBUS_WITH_DBUS_GLIB], [test "x$with_dbus_glib" != xno])

244
if test "x$enable_modular_tests" != xno; then
245
  AC_DEFINE([DBUS_ENABLE_MODULAR_TESTS], [1],
246
    [Define to build independent test binaries])
247
fi
248
AM_CONDITIONAL([DBUS_ENABLE_MODULAR_TESTS],
249 250 251 252 253 254 255
  [test "x$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])
256

257 258 259 260 261 262
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])
263

264 265
if test "x$enable_tests" = xyes; then
  # full test coverage is required, Python is a hard dependency
266
  AC_MSG_NOTICE([Full test coverage (--enable-tests=yes) requires Python, dbus-python, pygobject])
267
  AM_PATH_PYTHON([2.6])
268 269 270 271 272 273 274
  AC_MSG_CHECKING([for Python modules for full test coverage])
  if "$PYTHON" -c "import dbus, gobject, dbus.mainloop.glib"; then
    AC_MSG_RESULT([yes])
  else
    AC_MSG_RESULT([no])
    AC_MSG_ERROR([cannot import dbus, gobject, dbus.mainloop.glib Python modules])
  fi
275 276 277 278 279
else
  # --enable-tests not given: do not abort if Python is missing
  AM_PATH_PYTHON([2.6], [], [:])
fi

280 281 282
if test x$enable_verbose_mode = xyes; then
    AC_DEFINE(DBUS_ENABLE_VERBOSE_MODE,1,[Support a verbose mode])
fi
283

284 285
if test x$enable_asserts = xno; then
    AC_DEFINE(DBUS_DISABLE_ASSERT,1,[Disable assertion checking])
286
    DISABLE_UNUSED_WARNINGS="unused-label"
287
    R_DYNAMIC_LDFLAG=""
288 289 290 291 292
    if test x$enable_embedded_tests = xyes; then
        DISABLE_UNUSED_WARNINGS="$DISABLE_UNUSED_WARNINGS \
                unused-but-set-variable unused-variable \
                unused-function"
    fi
293 294
else
    # -rdynamic is needed for glibc's backtrace_symbols to work.
295
    # No clue how much overhead this adds, but it's useful
296 297 298 299 300 301 302
    # 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
303
fi
304 305
AC_SUBST(R_DYNAMIC_LDFLAG)

306 307
if test x$enable_checks = xno; then
    AC_DEFINE(DBUS_DISABLE_CHECKS,1,[Disable public API sanity checking])
308
    AC_DEFINE(G_DISABLE_CHECKS,1,[Disable GLib public API sanity checking])
309
    DISABLE_UNUSED_WARNINGS="unused-label"
310
fi
311

312 313 314 315 316 317 318 319 320
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])

321
if test x$enable_compiler_coverage = xyes; then
322 323 324 325
     ## 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])
fi

326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350
# glibc21.m4 serial 3
dnl Copyright (C) 2000-2002, 2004 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.

# Test for the GNU C Library, version 2.1 or newer.
# From Bruno Haible.

AC_CACHE_CHECK(whether we are using the GNU C Library 2.1 or newer,
  ac_cv_gnu_library_2_1,
  [AC_EGREP_CPP([Lucky GNU user],
    [
#include <features.h>
#ifdef __GNU_LIBRARY__
 #if (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 1) || (__GLIBC__ > 2)
  Lucky GNU user
 #endif
#endif
    ],
    ac_cv_gnu_library_2_1=yes,
    ac_cv_gnu_library_2_1=no)
  ]
)

351
#### Integer sizes
352

353 354 355 356 357 358 359 360
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)

361 362 363
### See what our 64 bit type is called
AC_MSG_CHECKING([64-bit integer type])

364 365 366
case 8 in
$ac_cv_sizeof_int)
  dbusint64=int
367 368
  dbusint64_constant='(val)'
  dbusuint64_constant='(val)'
369
  dbusint64_printf_modifier='""'
370 371 372
  ;;
$ac_cv_sizeof_long)
  dbusint64=long
373 374
  dbusint64_constant='(val##L)'
  dbusuint64_constant='(val##UL)'
375
  dbusint64_printf_modifier='"l"'
376 377 378
  ;;
$ac_cv_sizeof_long_long)
  dbusint64='long long'
379 380
  dbusint64_constant='(val##LL)'
  dbusuint64_constant='(val##ULL)'
381 382 383 384 385
  # Ideally we discover what the format is, but this is
  # only used in verbose mode, so eh...
  if test x"$ac_cv_gnu_library_2_1" = xyes; then
    dbusint64_printf_modifier='"ll"'
  fi
386 387 388
  ;;
$ac_cv_sizeof___int64)
  dbusint64=__int64
389 390
  dbusint64_constant='(val##i64)'
  dbusuint64_constant='(val##ui64)'
391 392 393 394
  # See above case
  if test x"$ac_cv_gnu_library_2_1" = xyes; then
    dbusint64_printf_modifier='"ll"'
  fi
395 396 397
  ;;
esac

398 399 400 401 402 403 404
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:

405
    http://bugs.freedesktop.org/enter_bug.cgi?product=DBus&component=core])
406 407 408
  ],
  dnl else
  [
409 410 411
        DBUS_INT64_TYPE="$dbusint64"
        DBUS_INT64_CONSTANT="$dbusint64_constant"
        DBUS_UINT64_CONSTANT="$dbusuint64_constant"
412 413 414
	if test x"$dbusint64_printf_modifier" != x; then
		AC_DEFINE_UNQUOTED(DBUS_INT64_PRINTF_MODIFIER, [$dbusint64_printf_modifier], [Define to printf modifier for 64 bit integer type])
	fi
415
        AC_MSG_RESULT($DBUS_INT64_TYPE)
416
  ])
417 418 419 420

AC_SUBST(DBUS_INT64_TYPE)
AC_SUBST(DBUS_INT64_CONSTANT)
AC_SUBST(DBUS_UINT64_CONSTANT)
421

422 423 424 425 426
### see what 32-bit int is called
AC_MSG_CHECKING([32-bit integer type])

case 4 in
$ac_cv_sizeof_short)
427
  dbusint32=short
428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468
  ;;
$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)

469
## byte order
470 471 472 473 474 475 476 477 478 479 480 481 482 483 484
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
485 486 487 488 489 490 491

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,[
492
	AC_LINK_IFELSE([AC_LANG_SOURCE([#include <stdarg.h>
493 494
#include <stdlib.h>
	static void f (int i, ...) {
495 496 497 498 499 500 501 502 503 504
	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;
505
	}])],
506 507 508 509
	[dbus_cv_va_copy=yes],
	[dbus_cv_va_copy=no])
])
AC_CACHE_CHECK([for an implementation of __va_copy()],dbus_cv___va_copy,[
510
	AC_LINK_IFELSE([AC_LANG_SOURCE([#include <stdarg.h>
511 512
#include <stdlib.h>
	static void f (int i, ...) {
513 514 515 516 517 518 519 520 521 522
	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;
523
	}])],
524 525 526 527 528 529 530 531 532 533 534 535 536 537 538
	[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

539 540 541 542 543 544
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>
545
	#include <stdlib.h>
546 547
]],
[[
548
	static void f (int i, ...) {
549 550 551 552 553 554 555 556 557 558
	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;
559 560
	}
]])],
561 562 563 564
	[dbus_cv_va_val_copy=yes],
	[dbus_cv_va_val_copy=no],
	[dbus_cv_va_val_copy=yes])
])
565
AC_LANG_POP(C)
566 567 568 569 570 571

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


572 573 574 575
#### Atomic integers

AC_CACHE_CHECK([whether $CC knows __sync_sub_and_fetch()],
  dbus_cv_sync_sub_and_fetch,
576 577
  [AC_LINK_IFELSE([
     AC_LANG_PROGRAM([[]], [[int a = 4; int b = __sync_sub_and_fetch(&a, 4); exit(b); ]])],
578 579 580 581 582 583 584 585
     [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
586
fi
587 588

AC_DEFINE_UNQUOTED([DBUS_USE_SYNC], [$have_sync], [Use the gcc __sync extension])
589

590
#### Various functions
591
AC_SEARCH_LIBS(socket,[socket network])
592
AC_CHECK_FUNC(gethostbyname,,[AC_CHECK_LIB(nsl,gethostbyname)])
593

594
AC_CHECK_FUNCS(vsnprintf vasprintf nanosleep usleep setenv clearenv unsetenv socketpair getgrouplist fpathconf setrlimit poll setlocale localeconv strtoll strtoull issetugid getresuid)
595

596 597 598 599 600
AC_CHECK_HEADERS([syslog.h])
if test "x$ac_cv_header_syslog_h" = "xyes"; then
  AC_CHECK_DECLS([LOG_PERROR], [], [], [[#include <syslog.h>]])
fi

601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627
#### 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)
628

John Palmieri's avatar
 
John Palmieri committed
629
AC_MSG_CHECKING(for dirfd)
630
AC_LINK_IFELSE([AC_LANG_PROGRAM([[
631 632
#include <sys/types.h>
#include <dirent.h>
633
]], [[
John Palmieri's avatar
 
John Palmieri committed
634 635 636 637
DIR *dirp;
dirp = opendir(".");
dirfd(dirp);
closedir(dirp);
638 639 640
]])],
[dbus_have_dirfd=yes],
[dbus_have_dirfd=no])
John Palmieri's avatar
 
John Palmieri committed
641 642
AC_MSG_RESULT($dbus_have_dirfd)
if test "$dbus_have_dirfd" = yes; then
643
	AC_DEFINE(HAVE_DIRFD,1,[Have dirfd function])
644
else
645
	AC_MSG_CHECKING(for DIR *dirp->dd_fd)
646
	AC_LINK_IFELSE([AC_LANG_PROGRAM([[
647 648
#include <sys/types.h>
#include <dirent.h>
649
	]], [[
650 651 652 653 654
DIR *dirp;
int fd;
dirp = opendir(".");
fd = dirp->dd_fd;
closedir(dirp);
655 656 657
        ]])],
        [dbus_have_ddfd=yes],
        [dbus_have_ddfd=no])
658 659 660 661
	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
662
fi
663

664 665
AC_CHECK_HEADERS(sys/resource.h)

Tor Lillqvist's avatar
Tor Lillqvist committed
666 667
AC_CHECK_HEADERS(dirent.h)

668 669
AC_CHECK_HEADERS(execinfo.h, [AC_CHECK_FUNCS(backtrace)])

670 671
AC_CHECK_HEADERS(errno.h)

672 673 674 675
AC_CHECK_HEADERS(signal.h)

AC_CHECK_HEADERS(locale.h)

676 677
AC_CHECK_HEADERS(byteswap.h)

678 679
AC_CHECK_HEADERS(unistd.h)

680 681
AC_CHECK_HEADERS(ws2tcpip.h)

682 683
AC_CHECK_HEADERS(alloca.h)

684 685 686 687 688 689
# Add -D_POSIX_PTHREAD_SEMANTICS if on Solaris
#
case $host_os in
    solaris*)
       CFLAGS="$CFLAGS -D_POSIX_PTHREAD_SEMANTICS" ;;
esac
690

691 692 693 694 695
# 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
696
AC_LANG_PUSH(C)
697 698
AC_CACHE_CHECK([for posix getpwnam_r],
		ac_cv_func_posix_getpwnam_r,
699 700
		[AC_RUN_IFELSE([AC_LANG_PROGRAM(
[[
701 702
#include <errno.h>
#include <pwd.h>
703 704
]],
[[
705 706 707 708
    char buffer[10000];
    struct passwd pwd, *pwptr = &pwd;
    int error;
    errno = 0;
709
    error = getpwnam_r ("", &pwd, buffer,
710
                        sizeof (buffer), &pwptr);
711 712
   return (error < 0 && errno == ENOSYS)
	   || error == ENOSYS;
713
]])],
714
	[ac_cv_func_posix_getpwnam_r=yes],
715
	[ac_cv_func_posix_getpwnam_r=no],
716 717 718 719
        [ac_cv_func_posix_getpwnam_r=yes]
)])
AC_LANG_POP(C)

720
if test "$ac_cv_func_posix_getpwnam_r" = yes; then
721 722
        AC_DEFINE(HAVE_POSIX_GETPWNAM_R,1,
                [Have POSIX function getpwnam_r])
723
else
724 725
        AC_CACHE_CHECK([for nonposix getpwnam_r],
                ac_cv_func_nonposix_getpwnam_r,
726
                [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <pwd.h>]], [[char buffer[10000];
727 728
                        struct passwd pwd;
                        getpwnam_r ("", &pwd, buffer,
729
                                        sizeof (buffer));]])],
730 731 732 733 734 735
                        [ac_cv_func_nonposix_getpwnam_r=yes],
                        [ac_cv_func_nonposix_getpwnam_r=no])])
                if test "$ac_cv_func_nonposix_getpwnam_r" = yes; then
                AC_DEFINE(HAVE_NONPOSIX_GETPWNAM_R,1,
                        [Have non-POSIX function getpwnam_r])
        fi
736
fi
737

738 739
dnl check for socklen_t
AC_MSG_CHECKING(whether socklen_t is defined)
740
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
741 742 743
#include <sys/types.h>
#include <sys/socket.h>
#include <netdb.h>
744
]], [[
745 746
socklen_t foo;
foo = 1;
747 748 749
]])],
[dbus_have_socklen_t=yes],
[dbus_have_socklen_t=no])
750 751 752 753 754 755
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

756
dnl check for writev header and writev function so we're
757 758 759
dnl good to go if HAVE_WRITEV gets defined.
AC_CHECK_HEADERS(sys/uio.h, [AC_CHECK_FUNCS(writev)])

760 761 762
dnl needed on darwin for NAME_MAX
AC_CHECK_HEADERS(sys/syslimits.h)

763
dnl Make it easy to check if we have MSG_NOSIGNAL without actually having to include sys/socket.h
764 765
AC_CHECK_DECLS([MSG_NOSIGNAL], [], [], [[ #include <sys/types.h>
#include <sys/socket.h> ]])
766

767 768
dnl check for flavours of varargs macros (test from GLib)
AC_MSG_CHECKING(for ISO C99 varargs macros in C)
769
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
770 771 772
int a(int p1, int p2, int p3);
#define call_a(...) a(1,__VA_ARGS__)
call_a(2,3);
773 774 775
]])],
[dbus_have_iso_c_varargs=yes],
[dbus_have_iso_c_varargs=no])
776 777 778
AC_MSG_RESULT($dbus_have_iso_c_varargs)

AC_MSG_CHECKING(for GNUC varargs macros)
779
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
780 781 782
int a(int p1, int p2, int p3);
#define call_a(params...) a(1,params)
call_a(2,3);
783 784 785
]])],
[dbus_have_gnuc_varargs=yes],
[dbus_have_gnuc_varargs=no])
786 787 788 789 790 791 792 793 794 795
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

796 797
dnl Check for various credentials.
AC_MSG_CHECKING(for struct cmsgcred)
Simon McVittie's avatar
Simon McVittie committed
798
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
799 800
#include <sys/types.h>
#include <sys/socket.h>
Simon McVittie's avatar
Simon McVittie committed
801
]], [[
802 803 804
struct cmsgcred cred;

cred.cmcred_pid = 0;
Simon McVittie's avatar
Simon McVittie committed
805 806 807
]])],
[dbus_have_struct_cmsgcred=yes],
[dbus_have_struct_cmsgcred=no])
808 809 810 811 812
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
813

814
AC_CHECK_FUNCS(getpeerucred getpeereid)
815

816
AC_CHECK_FUNCS(pipe2 accept4)
817

818 819
#### Abstract sockets

820
if test x$enable_abstract_sockets = xauto; then
821
AC_LANG_PUSH(C)
822
warn_on_xcompile=no
823 824 825
AC_CACHE_CHECK([abstract socket namespace],
		ac_cv_have_abstract_sockets,
		[AC_RUN_IFELSE([AC_LANG_PROGRAM(
826 827 828 829 830 831 832 833 834 835
[[
#include <sys/types.h>
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <errno.h>
]],
[[
836
  size_t slen;
837 838
  int listen_fd;
  struct sockaddr_un addr;
839

840
  listen_fd = socket (PF_UNIX, SOCK_STREAM, 0);
841

842 843 844 845 846 847 848 849 850
  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");
851 852 853 854
  /* SUN_LEN uses strlen() so need to calculate it before adding \0 at the
   * beginning.
   */
  slen = SUN_LEN(&addr);
855
  addr.sun_path[0] = '\0'; /* this is what makes it abstract */
856

857
  if (bind (listen_fd, (struct sockaddr*) &addr, slen) < 0)
858
    {
859
       fprintf (stderr, "Abstract socket namespace bind() failed: %s\n",
860 861 862
                strerror (errno));
       exit (1);
    }
863
  else
864 865
    exit (0);
]])],
866
              [ac_cv_have_abstract_sockets=yes],
867 868 869 870 871
              [ac_cv_have_abstract_sockets=no],
              [
                ac_cv_have_abstract_sockets=no
                warn_on_xcompile=yes
              ]
872
)])
873 874 875
if test x$warn_on_xcompile = xyes ; then
  AC_MSG_WARN([Cannot check for abstract sockets when cross-compiling, please use --enable-abstract-sockets])
fi
876
AC_LANG_POP(C)
877
fi
878 879

if test x$enable_abstract_sockets = xyes; then
880
    if test x$ac_cv_have_abstract_sockets = xno; then
881 882 883 884 885
	AC_MSG_ERROR([Abstract sockets explicitly required, and support not detected.])
    fi
fi

if test x$enable_abstract_sockets = xno; then
886
   ac_cv_have_abstract_sockets=no;
887 888
fi

889
if test x$ac_cv_have_abstract_sockets = xyes ; then
890
   DBUS_PATH_OR_ABSTRACT=abstract
891
   AC_DEFINE(HAVE_ABSTRACT_SOCKETS,1,[Have abstract socket namespace])
892 893 894 895
else
   DBUS_PATH_OR_ABSTRACT=path
fi

896 897
# this is used in addresses to prefer abstract, e.g.
# unix:path=/foo or unix:abstract=/foo
898 899
AC_SUBST(DBUS_PATH_OR_ABSTRACT)

900 901
#### Sort out XML library

902
AC_CHECK_LIB(expat, XML_ParserCreate_MM,
903 904 905
             [ AC_CHECK_HEADERS(expat.h, [],
                                [AC_MSG_ERROR([Could not find expat.h, check config.log for failed attempts])]) ],
             [ AC_MSG_ERROR([Explicitly requested expat but expat not found]) ])
906

907 908
XML_LIBS=-lexpat
XML_CFLAGS=
909 910
AC_SUBST([XML_CFLAGS])
AC_SUBST([XML_LIBS])
911

912
# Thread lib detection
913
AC_ARG_VAR([THREAD_LIBS])
914 915
save_libs="$LIBS"
LIBS="$LIBS $THREAD_LIBS"
916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959

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>
960
#include <pthread.h>
961
]], [[
962 963 964 965 966
struct timespec monotonic_timer;
pthread_condattr_t attr;
pthread_condattr_init (&attr);
pthread_condattr_setclock (&attr, CLOCK_MONOTONIC);
clock_getres (CLOCK_MONOTONIC,&monotonic_timer);
967
]])],
968 969 970 971 972 973 974 975 976 977 978
            [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

979
LIBS="$save_libs"
980

981 982
AC_SUBST([THREAD_LIBS])

983 984 985 986 987
# SELinux detection
if test x$enable_selinux = xno ; then
    have_selinux=no;
else
    # See if we have SELinux library
988
    AC_CHECK_LIB(selinux, is_selinux_enabled,
989 990
                 have_selinux=yes, have_selinux=no)

John Palmieri's avatar
John Palmieri committed
991
    # see if we have the SELinux header with the new D-Bus stuff in it
992
    if test x$have_selinux = xyes ; then
993
        AC_MSG_CHECKING([for DBUS Flask permissions in selinux/av_permissions.h])
994 995 996 997 998 999 1000
        AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <selinux/av_permissions.h>]],
                          [[#ifdef DBUS__ACQUIRE_SVC return 0;
			    #else
			    #error DBUS__ACQUIRE_SVC not defined
			    #endif]])],
                          [have_selinux=yes],
                          [have_selinux=no])
1001
	AC_MSG_RESULT($have_selinux)
1002 1003 1004 1005 1006 1007
    fi

    if test x$enable_selinux = xauto ; then
        if test x$have_selinux = xno ; then
                AC_MSG_WARN([Sufficiently new SELinux library not found])
        fi
1008
    else
1009 1010 1011 1012 1013 1014 1015 1016 1017
        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
1018 1019 1020 1021 1022 1023
    # 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"
1024 1025 1026 1027 1028
    AC_DEFINE(HAVE_SELINUX,1,[SELinux support])
else
    SELINUX_LIBS=
fi

1029 1030 1031 1032 1033 1034 1035 1036 1037 1038
# 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])
1039
   AC_CHECK_FUNCS(inotify_init1)
1040 1041 1042 1043
fi

AM_CONDITIONAL(DBUS_BUS_ENABLE_INOTIFY, test x$have_inotify = xyes)

1044 1045 1046
# 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.
1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068
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,$have_linux_epoll = xyes,no; then
    AC_MSG_ERROR([epoll support explicitly enabled but not available])
fi
1069 1070 1071
if test x$have_linux_epoll = xyes; then
  AC_DEFINE([DBUS_HAVE_LINUX_EPOLL], 1, [Define to use epoll(4) on Linux])
fi
1072 1073
AM_CONDITIONAL([HAVE_LINUX_EPOLL], [test x$have_linux_epoll = xyes])

John Palmieri's avatar
John Palmieri committed
1074 1075
# kqueue checks
if test x$enable_kqueue = xno ; then
1076
    have_kqueue=no
John Palmieri's avatar
John Palmieri committed
1077
else
1078 1079 1080 1081 1082 1083 1084
    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
John Palmieri's avatar
John Palmieri committed
1085 1086 1087 1088
fi

dnl check if kqueue backend is enabled
if test x$have_kqueue = xyes; then
1089
   AC_DEFINE(DBUS_BUS_ENABLE_KQUEUE,1,[Use kqueue])
John Palmieri's avatar
John Palmieri committed
1090 1091
fi

1092
AM_CONDITIONAL(DBUS_BUS_ENABLE_KQUEUE, test x$have_kqueue = xyes)
John Palmieri's avatar
John Palmieri committed
1093

Benjamin Reed's avatar
Benjamin Reed committed
1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125
# 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)

John Palmieri's avatar
John Palmieri committed
1126 1127 1128 1129
dnl console owner file
if test x$enable_console_owner_file = xno ; then
    have_console_owner_file=no;
else
1130
    case $host_os in
John Palmieri's avatar
John Palmieri committed
1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141
    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)

1142 1143 1144 1145
dnl systemd detection
if test x$enable_systemd = xno ; then
    have_systemd=no;
else
1146 1147 1148 1149 1150 1151 1152
    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])])
1153 1154 1155 1156 1157 1158 1159 1160 1161 1162
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

1163 1164 1165 1166 1167
# libaudit detection
if test x$enable_libaudit = xno ; then
    have_libaudit=no;
else
    # See if we have audit daemon & capabilities library
1168
    AC_CHECK_LIB(audit, audit_log_user_avc_message,
1169 1170
                 have_libaudit=yes, have_libaudit=no)
    if test x$have_libaudit = xyes ; then
1171
        AC_CHECK_LIB(cap-ng, capng_clear,
1172 1173 1174 1175 1176 1177 1178
                 have_libaudit=yes, have_libaudit=no)
    fi
fi

AM_CONDITIONAL(HAVE_LIBAUDIT, test x$have_libaudit = xyes)

if test x$have_libaudit = xyes ; then
1179
    SELINUX_LIBS="$SELINUX_LIBS -laudit -lcap-ng"
1180 1181 1182
    AC_DEFINE(HAVE_LIBAUDIT,1,[audit daemon SELinux support])
fi

1183 1184 1185
AC_SUBST([SELINUX_LIBS])

# Check for ADT API (Solaris Basic Security Mode auditing)
1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200
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
1201
AC_SUBST([ADT_LIBS])
1202

1203 1204 1205
# Check for SCM_RIGHTS
AC_MSG_CHECKING([for SCM_RIGHTS])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1206
#include <sys/types.h>
1207 1208 1209 1210 1211 1212 1213
#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]) ])
1214

1215 1216
NETWORK_libs=
if test x$dbus_win = xyes ; then
1217 1218 1219
  if test x$dbus_wince = xyes ; then
    NETWORK_libs="-lws2"
  else
1220
    NETWORK_libs="-lws2_32 -liphlpapi"
1221
  fi
1222 1223
fi

1224 1225
AC_SUBST([NETWORK_libs])