configure.ac 62.3 KB
Newer Older
1
dnl -*- mode: m4 -*-
2
AC_PREREQ([2.63])
3

4
m4_define([dbus_major_version], [1])
Simon McVittie's avatar
1.9.0  
Simon McVittie committed
5
m4_define([dbus_minor_version], [9])
Simon McVittie's avatar
1.9.13  
Simon McVittie committed
6
m4_define([dbus_micro_version], [13])
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 subdir-objects])
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.
Simon McVittie's avatar
1.9.12  
Simon McVittie committed
36
LT_CURRENT=15
37 38 39

## increment any time the source changes; set to
##  0 if you increment CURRENT
Simon McVittie's avatar
1.9.12  
Simon McVittie committed
40
LT_REVISION=0
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.
Simon McVittie's avatar
1.9.12  
Simon McVittie committed
45
LT_AGE=12
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 78
# This must come before we set up compiler warnings because it assumes
# non-use of -Werror=missing-prototypes
gl_VISIBILITY
AM_CONDITIONAL([HAVE_VISIBILITY], [test "x$HAVE_VISIBILITY" = x1])

79 80 81 82
# Initialize libtool
LT_INIT([win32-dll])
LT_LANG([Windows Resource])

83 84
# Set some internal variables depending on the platform for later use.
dbus_win=no
85
dbus_cygwin=no
86 87
dbus_unix=no
case "${host}" in
88 89 90 91
    *-mingw32ce*)
        dbus_win=yes
        dbus_wince=yes
        ;;
92 93 94
    *-mingw32*)
        dbus_win=yes
        ;;
95 96 97 98
    *-cygwin*)
        dbus_cygwin=yes
        dbus_unix=yes
        ;;
99 100 101 102 103 104 105 106
    *)
        dbus_unix=yes
       ;;
esac

# Special defines for certain platforms
if test "$dbus_win" = yes; then
    AC_DEFINE(DBUS_WIN,1,[Defined if we run on a W32 API based system])
107 108 109
    # Yes, on Windows it really does work like this.
    # http://support.microsoft.com/kb/111855
    AC_DEFINE(FD_SETSIZE,8192,[The maximum number of connections that can be handled at once])
110 111
    BUILD_TIMESTAMP=`date --iso-8601=minutes`
    AC_SUBST(BUILD_TIMESTAMP)
112 113 114
    # Assume DBUS_VERSION is always three numbers
    BUILD_FILEVERSION=`echo "$DBUS_VERSION" | sed -e 's/\./,/g'`,0
    AC_SUBST(BUILD_FILEVERSION)
115 116 117 118
    AC_CHECK_TOOL(WINDRES, windres, no)
    if test "$WINDRES" = no; then
      AC_MSG_ERROR([*** Could not find an implementation of windres in your PATH.])
    fi
119 120
    if test "$dbus_wince" = yes; then
      AC_DEFINE(DBUS_WINCE,1,[Defined if we run on a W32 CE API based system])
121
      AC_DEFINE(_WIN32_WCE, 0x0502, [Defined to get newer W32 CE APIs])
122
    fi
123 124 125
else
    AC_DEFINE(DBUS_UNIX,1,[Defined if we run on a Unix-based system])
fi
126 127 128
if test "$dbus_cygwin" = yes; then
    AC_DEFINE(DBUS_CYGWIN,1,[Defined if we run on a cygwin API based system])
fi
129

130
AM_CONDITIONAL(DBUS_WIN, test "$dbus_win" = yes)
131
AM_CONDITIONAL(DBUS_WINCE, test "$dbus_wince" = yes)
132
AM_CONDITIONAL(DBUS_UNIX, test "$dbus_unix" = yes)
133
AM_CONDITIONAL(DBUS_CYGWIN, test "$dbus_cygwin" = yes)
134

135 136 137
# this must come first: other options use this to set their defaults
AC_ARG_ENABLE([developer],
  [AS_HELP_STRING([--enable-developer],
138 139 140
    [set defaults to be appropriate for a D-Bus developer instead of a distribution/end-user])],
  [],
  [enable_developer=no])
141

142 143 144 145 146 147 148 149 150 151
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])

152
AC_ARG_ENABLE(ansi, AS_HELP_STRING([--enable-ansi],[enable -ansi -pedantic gcc flags]),enable_ansi=$enableval,enable_ansi=no)
153 154
AC_ARG_ENABLE(verbose-mode, AS_HELP_STRING([--enable-verbose-mode],[support verbose debug mode]),enable_verbose_mode=$enableval,enable_verbose_mode=$enable_developer)
AC_ARG_ENABLE(asserts, AS_HELP_STRING([--enable-asserts],[include assertion checks]),enable_asserts=$enableval,enable_asserts=$enable_developer)
155 156 157
AC_ARG_ENABLE(checks, AS_HELP_STRING([--enable-checks],[include sanity checks on public API]),enable_checks=$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)
158 159 160 161
AC_ARG_ENABLE([ducktype-docs],
              AS_HELP_STRING([--enable-ducktype-docs],
                             [build Ducktype documentation (requires Ducktype)]),
              [enable_ducktype_docs=$enableval], [enable_ducktype_docs=auto])
162 163
AC_ARG_ENABLE(abstract-sockets, AS_HELP_STRING([--enable-abstract-sockets],[use abstract socket namespace (linux only)]),enable_abstract_sockets=$enableval,enable_abstract_sockets=auto)
AC_ARG_ENABLE(selinux, AS_HELP_STRING([--enable-selinux],[build with SELinux support]),enable_selinux=$enableval,enable_selinux=auto)
164 165 166 167
AC_ARG_ENABLE([apparmor],
  [AS_HELP_STRING([--enable-apparmor], [build with AppArmor support])],
  [enable_apparmor=$enableval],
  [enable_apparmor=auto])
168
AC_ARG_ENABLE(libaudit,AS_HELP_STRING([--enable-libaudit],[build audit daemon support for SELinux]),enable_libaudit=$enableval,enable_libaudit=auto)
169
AC_ARG_ENABLE(inotify, AS_HELP_STRING([--enable-inotify],[build with inotify support (linux only)]),enable_inotify=$enableval,enable_inotify=auto)
170
AC_ARG_ENABLE(kqueue, AS_HELP_STRING([--enable-kqueue],[build with kqueue support]),enable_kqueue=$enableval,enable_kqueue=auto)
John Palmieri's avatar
John Palmieri committed
171
AC_ARG_ENABLE(console-owner-file, AS_HELP_STRING([--enable-console-owner-file],[enable console owner file]),enable_console_owner_file=$enableval,enable_console_owner_file=auto)
Benjamin Reed's avatar
Benjamin Reed committed
172
AC_ARG_ENABLE(launchd, AS_HELP_STRING([--enable-launchd],[build with launchd auto-launch support]),enable_launchd=$enableval,enable_launchd=auto)
173
AC_ARG_ENABLE(systemd, AS_HELP_STRING([--enable-systemd],[build with systemd at_console support]),enable_systemd=$enableval,enable_systemd=auto)
174 175 176 177 178 179 180

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
181
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
182
AC_ARG_WITH(launchd-agent-dir, AS_HELP_STRING([--with-launchd-agent-dir=[dirname]],[directory to put the launchd agent (default: /Library/LaunchAgents)]))
183
AC_ARG_WITH(dbus_user, AS_HELP_STRING([--with-dbus-user=<user>],[User for running the DBUS daemon (messagebus)]))
184 185 186
AC_ARG_WITH([test_user],
  [AS_HELP_STRING([--with-test-user=<user>],
    [Unprivileged user for regression tests, other than root and the dbus_user (default: nobody)])])
John Palmieri's avatar
John Palmieri committed
187
AC_ARG_WITH(dbus_daemondir, AS_HELP_STRING([--with-dbus-daemondir=[dirname]],[Directory for installing the DBUS daemon]))
188

189 190 191
AC_ARG_ENABLE([embedded-tests],
  AS_HELP_STRING([--enable-embedded-tests],
    [enable unit test code in the library and binaries]),
192
  [], [enable_embedded_tests=$enable_developer])
193 194 195 196 197 198 199 200 201
AC_ARG_ENABLE([modular-tests],
  AS_HELP_STRING([--enable-modular-tests],
    [enable modular regression tests (requires GLib)]),
  [], [enable_modular_tests=auto])
# --enable-tests overrides both --enable-embedded-tests and
# --enable-modular-tests
AC_ARG_ENABLE([tests],
  AS_HELP_STRING([--enable-tests],
    [enable/disable all tests, overriding embedded-tests/modular-tests]),
202 203 204 205 206 207 208 209
  [
  if test "x$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
  ],
210 211 212
  [])

# DBUS_ENABLE_EMBEDDED_TESTS controls unit tests built in to .c files
213
# and also some stuff in the test/ subdir.
214 215 216 217 218 219 220 221 222 223 224
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.
225

226
AC_DEFINE([GLIB_VERSION_MIN_REQUIRED], [GLIB_VERSION_2_36], [Ignore post-2.36 deprecations])
Simon McVittie's avatar
Simon McVittie committed
227
AC_DEFINE([GLIB_VERSION_MAX_ALLOWED], [GLIB_VERSION_2_38], [Prevent post-2.38 APIs])
228

229 230
with_glib=yes

231 232
AS_IF([test "x$enable_modular_tests" != xno],
  [
233
  PKG_CHECK_MODULES([GLIB], [glib-2.0 >= 2.36, gio-2.0 >= 2.36],
234 235
    [],
    [if test "x$enable_modular_tests" = xyes; then
236 237
      AC_MSG_NOTICE([Full test coverage (--enable-modular-tests=yes or --enable-tests=yes) requires GLib])
      AC_MSG_ERROR([$GLIB_ERRORS])
238
    else # assumed to be "auto"
239
      with_glib=no
240
    fi])
241 242 243 244 245 246 247 248 249 250 251
  ],
  [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$with_dbus_glib" != xno],
  [PKG_CHECK_MODULES([DBUS_GLIB], [dbus-glib-1],
252
    [],
253 254 255 256 257 258 259
    [AS_IF([test "x$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])

260
if test "x$enable_modular_tests" != xno; then
261
  AC_DEFINE([DBUS_ENABLE_MODULAR_TESTS], [1],
262
    [Define to build independent test binaries])
263
fi
264
AM_CONDITIONAL([DBUS_ENABLE_MODULAR_TESTS],
265 266 267 268 269 270 271
  [test "x$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])
272

273 274 275 276 277 278
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])
279

280 281
if test "x$enable_tests" = xyes; then
  # full test coverage is required, Python is a hard dependency
282
  AC_MSG_NOTICE([Full test coverage (--enable-tests=yes) requires Python, dbus-python, pygi])
283
  AM_PATH_PYTHON([2.6])
284
  AC_MSG_CHECKING([for Python modules for full test coverage])
285
  if "$PYTHON" -c "import dbus, gi.repository.GObject, dbus.mainloop.glib"; then
286 287 288
    AC_MSG_RESULT([yes])
  else
    AC_MSG_RESULT([no])
289
    AC_MSG_ERROR([cannot import dbus, gi.repository.GObject, dbus.mainloop.glib Python modules])
290
  fi
291 292 293 294 295
else
  # --enable-tests not given: do not abort if Python is missing
  AM_PATH_PYTHON([2.6], [], [:])
fi

296 297 298
if test x$enable_verbose_mode = xyes; then
    AC_DEFINE(DBUS_ENABLE_VERBOSE_MODE,1,[Support a verbose mode])
fi
299

300 301
if test x$enable_asserts = xno; then
    AC_DEFINE(DBUS_DISABLE_ASSERT,1,[Disable assertion checking])
302
    DISABLE_UNUSED_WARNINGS="unused-label"
303
    R_DYNAMIC_LDFLAG=""
304 305 306 307 308
    if test x$enable_embedded_tests = xyes; then
        DISABLE_UNUSED_WARNINGS="$DISABLE_UNUSED_WARNINGS \
                unused-but-set-variable unused-variable \
                unused-function"
    fi
309 310
else
    # -rdynamic is needed for glibc's backtrace_symbols to work.
311
    # No clue how much overhead this adds, but it's useful
312 313 314 315 316 317 318
    # 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
319
fi
320 321
AC_SUBST(R_DYNAMIC_LDFLAG)

322 323
if test x$enable_checks = xno; then
    AC_DEFINE(DBUS_DISABLE_CHECKS,1,[Disable public API sanity checking])
324
    AC_DEFINE(G_DISABLE_CHECKS,1,[Disable GLib public API sanity checking])
325
    DISABLE_UNUSED_WARNINGS="unused-label"
326
fi
327

328 329 330 331 332 333 334 335 336
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])

337
if test x$enable_compiler_coverage = xyes; then
338 339 340 341
     ## 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

342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366
# 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)
  ]
)

367
#### Integer sizes
368

369 370 371 372 373 374 375 376
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)

377 378 379
### See what our 64 bit type is called
AC_MSG_CHECKING([64-bit integer type])

380 381 382
case 8 in
$ac_cv_sizeof_int)
  dbusint64=int
383 384
  dbusint64_constant='(val)'
  dbusuint64_constant='(val)'
385
  dbusint64_printf_modifier='""'
386 387 388
  ;;
$ac_cv_sizeof_long)
  dbusint64=long
389 390
  dbusint64_constant='(val##L)'
  dbusuint64_constant='(val##UL)'
391
  dbusint64_printf_modifier='"l"'
392 393 394
  ;;
$ac_cv_sizeof_long_long)
  dbusint64='long long'
395 396
  dbusint64_constant='(val##LL)'
  dbusuint64_constant='(val##ULL)'
397 398 399 400 401
  # Ideally we discover what the format is, but this is
  # only used in verbose mode, so eh...
  if test x"$ac_cv_gnu_library_2_1" = xyes; then
    dbusint64_printf_modifier='"ll"'
  fi
402 403 404
  ;;
$ac_cv_sizeof___int64)
  dbusint64=__int64
405 406
  dbusint64_constant='(val##i64)'
  dbusuint64_constant='(val##ui64)'
407 408 409 410
  # See above case
  if test x"$ac_cv_gnu_library_2_1" = xyes; then
    dbusint64_printf_modifier='"ll"'
  fi
411 412 413
  ;;
esac

414 415 416 417 418 419 420
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:

421
    http://bugs.freedesktop.org/enter_bug.cgi?product=DBus&component=core])
422 423 424
  ],
  dnl else
  [
425 426 427
        DBUS_INT64_TYPE="$dbusint64"
        DBUS_INT64_CONSTANT="$dbusint64_constant"
        DBUS_UINT64_CONSTANT="$dbusuint64_constant"
428 429 430
	if test x"$dbusint64_printf_modifier" != x; then
		AC_DEFINE_UNQUOTED(DBUS_INT64_PRINTF_MODIFIER, [$dbusint64_printf_modifier], [Define to printf modifier for 64 bit integer type])
	fi
431
        AC_MSG_RESULT($DBUS_INT64_TYPE)
432
  ])
433 434 435 436

AC_SUBST(DBUS_INT64_TYPE)
AC_SUBST(DBUS_INT64_CONSTANT)
AC_SUBST(DBUS_UINT64_CONSTANT)
437

438 439 440 441 442
### see what 32-bit int is called
AC_MSG_CHECKING([32-bit integer type])

case 4 in
$ac_cv_sizeof_short)
443
  dbusint32=short
444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484
  ;;
$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)

485
## byte order
486 487 488 489 490 491 492 493 494 495 496 497 498 499 500
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
501 502 503 504 505 506 507

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,[
508
	AC_LINK_IFELSE([AC_LANG_SOURCE([#include <stdarg.h>
509 510
#include <stdlib.h>
	static void f (int i, ...) {
511 512 513 514 515 516 517 518 519 520
	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;
521
	}])],
522 523 524 525
	[dbus_cv_va_copy=yes],
	[dbus_cv_va_copy=no])
])
AC_CACHE_CHECK([for an implementation of __va_copy()],dbus_cv___va_copy,[
526
	AC_LINK_IFELSE([AC_LANG_SOURCE([#include <stdarg.h>
527 528
#include <stdlib.h>
	static void f (int i, ...) {
529 530 531 532 533 534 535 536 537 538
	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;
539
	}])],
540 541 542 543 544 545 546 547 548 549 550 551 552 553 554
	[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

555 556 557 558 559 560
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>
561
	#include <stdlib.h>
562 563
]],
[[
564
	static void f (int i, ...) {
565 566 567 568 569 570 571 572 573 574
	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;
575 576
	}
]])],
577 578 579 580
	[dbus_cv_va_val_copy=yes],
	[dbus_cv_va_val_copy=no],
	[dbus_cv_va_val_copy=yes])
])
581
AC_LANG_POP(C)
582 583 584 585 586 587

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


588 589 590 591
#### Atomic integers

AC_CACHE_CHECK([whether $CC knows __sync_sub_and_fetch()],
  dbus_cv_sync_sub_and_fetch,
592 593
  [AC_LINK_IFELSE([
     AC_LANG_PROGRAM([[]], [[int a = 4; int b = __sync_sub_and_fetch(&a, 4); exit(b); ]])],
594 595 596 597 598 599 600 601
     [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
602
fi
603 604

AC_DEFINE_UNQUOTED([DBUS_USE_SYNC], [$have_sync], [Use the gcc __sync extension])
605

606
#### Various functions
607
AC_SEARCH_LIBS(socket,[socket network])
608
AC_CHECK_FUNC(gethostbyname,,[AC_CHECK_LIB(nsl,gethostbyname)])
609

610
AC_CHECK_FUNCS([vsnprintf vasprintf nanosleep usleep setenv clearenv unsetenv socketpair getgrouplist fpathconf setrlimit poll setlocale localeconv strtoll strtoull issetugid getresuid setresuid getrlimit])
611

612 613 614 615 616
AC_CHECK_HEADERS([syslog.h])
if test "x$ac_cv_header_syslog_h" = "xyes"; then
  AC_CHECK_DECLS([LOG_PERROR], [], [], [[#include <syslog.h>]])
fi

617 618 619 620
# For test-segfault.c
AC_CHECK_HEADERS_ONCE([sys/prctl.h])
AC_CHECK_FUNCS_ONCE([prctl raise])

621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647
#### 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)
648

John Palmieri's avatar
 
John Palmieri committed
649
AC_MSG_CHECKING(for dirfd)
650
AC_LINK_IFELSE([AC_LANG_PROGRAM([[
651 652
#include <sys/types.h>
#include <dirent.h>
653
]], [[
John Palmieri's avatar
 
John Palmieri committed
654 655 656 657
DIR *dirp;
dirp = opendir(".");
dirfd(dirp);
closedir(dirp);
658 659 660
]])],
[dbus_have_dirfd=yes],
[dbus_have_dirfd=no])
John Palmieri's avatar
 
John Palmieri committed
661 662
AC_MSG_RESULT($dbus_have_dirfd)
if test "$dbus_have_dirfd" = yes; then
663
	AC_DEFINE(HAVE_DIRFD,1,[Have dirfd function])
664
else
665
	AC_MSG_CHECKING(for DIR *dirp->dd_fd)
666
	AC_LINK_IFELSE([AC_LANG_PROGRAM([[
667 668
#include <sys/types.h>
#include <dirent.h>
669
	]], [[
670 671 672 673 674
DIR *dirp;
int fd;
dirp = opendir(".");
fd = dirp->dd_fd;
closedir(dirp);
675 676 677
        ]])],
        [dbus_have_ddfd=yes],
        [dbus_have_ddfd=no])
678 679 680 681
	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
682
fi
683

684 685
AC_CHECK_HEADERS(sys/resource.h)

Tor Lillqvist's avatar
Tor Lillqvist committed
686 687
AC_CHECK_HEADERS(dirent.h)

688 689 690 691
AC_CHECK_HEADERS([execinfo.h],
	[AC_SEARCH_LIBS([backtrace], [execinfo],
		[AC_DEFINE([HAVE_BACKTRACE], [1],
			[Define to 1 if you have backtrace().])])])
692

693 694
AC_CHECK_HEADERS(errno.h)

695 696 697 698
AC_CHECK_HEADERS(signal.h)

AC_CHECK_HEADERS(locale.h)

699 700
AC_CHECK_HEADERS(byteswap.h)

701 702
AC_CHECK_HEADERS(unistd.h)

703 704
AC_CHECK_HEADERS(ws2tcpip.h)

705 706
AC_CHECK_HEADERS(alloca.h)

707 708 709 710 711 712
# Add -D_POSIX_PTHREAD_SEMANTICS if on Solaris
#
case $host_os in
    solaris*)
       CFLAGS="$CFLAGS -D_POSIX_PTHREAD_SEMANTICS" ;;
esac
713

714 715 716 717 718
# 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
719
AC_LANG_PUSH(C)
720 721
AC_CACHE_CHECK([for posix getpwnam_r],
		ac_cv_func_posix_getpwnam_r,
722 723
		[AC_RUN_IFELSE([AC_LANG_PROGRAM(
[[
724 725
#include <errno.h>
#include <pwd.h>
726 727
]],
[[
728 729 730 731
    char buffer[10000];
    struct passwd pwd, *pwptr = &pwd;
    int error;
    errno = 0;
732
    error = getpwnam_r ("", &pwd, buffer,
733
                        sizeof (buffer), &pwptr);
734 735
   return (error < 0 && errno == ENOSYS)
	   || error == ENOSYS;
736
]])],
737
	[ac_cv_func_posix_getpwnam_r=yes],
738
	[ac_cv_func_posix_getpwnam_r=no],
739 740 741 742
        [ac_cv_func_posix_getpwnam_r=yes]
)])
AC_LANG_POP(C)

743
if test "$ac_cv_func_posix_getpwnam_r" = yes; then
744 745
        AC_DEFINE(HAVE_POSIX_GETPWNAM_R,1,
                [Have POSIX function getpwnam_r])
746
else
747 748
        AC_CACHE_CHECK([for nonposix getpwnam_r],
                ac_cv_func_nonposix_getpwnam_r,
749
                [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <pwd.h>]], [[char buffer[10000];
750 751
                        struct passwd pwd;
                        getpwnam_r ("", &pwd, buffer,
752
                                        sizeof (buffer));]])],
753 754 755 756 757 758
                        [ac_cv_func_nonposix_getpwnam_r=yes],
                        [ac_cv_func_nonposix_getpwnam_r=no])])
                if test "$ac_cv_func_nonposix_getpwnam_r" = yes; then
                AC_DEFINE(HAVE_NONPOSIX_GETPWNAM_R,1,
                        [Have non-POSIX function getpwnam_r])
        fi
759
fi
760

761 762
dnl check for socklen_t
AC_MSG_CHECKING(whether socklen_t is defined)
763
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
764 765 766
#include <sys/types.h>
#include <sys/socket.h>
#include <netdb.h>
767
]], [[
768 769
socklen_t foo;
foo = 1;
770 771 772
]])],
[dbus_have_socklen_t=yes],
[dbus_have_socklen_t=no])
773 774 775 776 777 778
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

779
dnl check for writev header and writev function so we're
780 781 782
dnl good to go if HAVE_WRITEV gets defined.
AC_CHECK_HEADERS(sys/uio.h, [AC_CHECK_FUNCS(writev)])

783 784 785
dnl needed on darwin for NAME_MAX
AC_CHECK_HEADERS(sys/syslimits.h)

786
dnl Make it easy to check if we have MSG_NOSIGNAL without actually having to include sys/socket.h
787 788
AC_CHECK_DECLS([MSG_NOSIGNAL], [], [], [[ #include <sys/types.h>
#include <sys/socket.h> ]])
789

790 791
dnl check for flavours of varargs macros (test from GLib)
AC_MSG_CHECKING(for ISO C99 varargs macros in C)
792
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
793 794 795
int a(int p1, int p2, int p3);
#define call_a(...) a(1,__VA_ARGS__)
call_a(2,3);
796 797 798
]])],
[dbus_have_iso_c_varargs=yes],
[dbus_have_iso_c_varargs=no])
799 800 801
AC_MSG_RESULT($dbus_have_iso_c_varargs)

AC_MSG_CHECKING(for GNUC varargs macros)
802
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
803 804 805
int a(int p1, int p2, int p3);
#define call_a(params...) a(1,params)
call_a(2,3);
806 807 808
]])],
[dbus_have_gnuc_varargs=yes],
[dbus_have_gnuc_varargs=no])
809 810 811 812 813 814 815 816 817 818
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

819 820
dnl Check for various credentials.
AC_MSG_CHECKING(for struct cmsgcred)
Simon McVittie's avatar
Simon McVittie committed
821
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
822 823
#include <sys/types.h>
#include <sys/socket.h>
Simon McVittie's avatar
Simon McVittie committed
824
]], [[
825 826 827
struct cmsgcred cred;

cred.cmcred_pid = 0;
Simon McVittie's avatar
Simon McVittie committed
828 829 830
]])],
[dbus_have_struct_cmsgcred=yes],
[dbus_have_struct_cmsgcred=no])
831 832 833 834 835
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
836

837 838 839 840 841
AC_CHECK_MEMBER([struct unpcbid.unp_pid],
                [AC_DEFINE([HAVE_UNPCBID], 1, [Have unpcbid structure])],
                [],
                [[#include <sys/un.h>]])

842
AC_CHECK_FUNCS(getpeerucred getpeereid)
843

844
AC_CHECK_FUNCS(pipe2 accept4)
845

846 847
#### Abstract sockets

848
if test x$enable_abstract_sockets = xauto; then
849
AC_LANG_PUSH(C)
850
warn_on_xcompile=no
851 852 853
AC_CACHE_CHECK([abstract socket namespace],
		ac_cv_have_abstract_sockets,
		[AC_RUN_IFELSE([AC_LANG_PROGRAM(
854 855 856 857 858 859 860 861 862 863
[[
#include <sys/types.h>
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <errno.h>
]],
[[
864
  size_t slen;
865 866
  int listen_fd;
  struct sockaddr_un addr;
867

868
  listen_fd = socket (PF_UNIX, SOCK_STREAM, 0);
869

870 871 872 873 874 875 876 877 878
  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");
879 880 881 882
  /* SUN_LEN uses strlen() so need to calculate it before adding \0 at the
   * beginning.
   */
  slen = SUN_LEN(&addr);
883
  addr.sun_path[0] = '\0'; /* this is what makes it abstract */
884

885
  if (bind (listen_fd, (struct sockaddr*) &addr, slen) < 0)
886
    {
887
       fprintf (stderr, "Abstract socket namespace bind() failed: %s\n",
888 889 890
                strerror (errno));
       exit (1);
    }
891
  else
892 893
    exit (0);
]])],
894
              [ac_cv_have_abstract_sockets=yes],
895 896 897 898 899
              [ac_cv_have_abstract_sockets=no],
              [
                ac_cv_have_abstract_sockets=no
                warn_on_xcompile=yes
              ]
900
)])
901 902 903
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
904
AC_LANG_POP(C)
905
fi
906 907

if test x$enable_abstract_sockets = xyes; then
908
    if test x$ac_cv_have_abstract_sockets = xno; then
909 910 911 912 913
	AC_MSG_ERROR([Abstract sockets explicitly required, and support not detected.])
    fi
fi

if test x$enable_abstract_sockets = xno; then
914
   ac_cv_have_abstract_sockets=no;
915 916
fi

917
if test x$ac_cv_have_abstract_sockets = xyes ; then
918
   DBUS_PATH_OR_ABSTRACT=abstract
919
   AC_DEFINE(HAVE_ABSTRACT_SOCKETS,1,[Have abstract socket namespace])
920 921 922 923
else
   DBUS_PATH_OR_ABSTRACT=path
fi

924 925
# this is used in addresses to prefer abstract, e.g.
# unix:path=/foo or unix:abstract=/foo
926 927
AC_SUBST(DBUS_PATH_OR_ABSTRACT)

928 929
#### Sort out XML library

930
AC_CHECK_LIB(expat, XML_ParserCreate_MM,
931 932 933
             [ 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]) ])
934

935 936
XML_LIBS=-lexpat
XML_CFLAGS=
937 938
AC_SUBST([XML_CFLAGS])
AC_SUBST([XML_LIBS])
939

940
# Thread lib detection
941
AC_ARG_VAR([THREAD_LIBS])
942 943
save_libs="$LIBS"
LIBS="$LIBS $THREAD_LIBS"
944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987

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>
988
#include <pthread.h>
989
]], [[
990 991 992 993 994
struct timespec monotonic_timer;
pthread_condattr_t attr;
pthread_condattr_init (&attr);
pthread_condattr_setclock (&attr, CLOCK_MONOTONIC);
clock_getres (CLOCK_MONOTONIC,&monotonic_timer);
995
]])],
996 997 998 999 1000 1001 1002 1003 1004 1005 1006
            [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

1007
LIBS="$save_libs"
1008

1009 1010
AC_SUBST([THREAD_LIBS])

1011 1012 1013 1014 1015
# SELinux detection
if test x$enable_selinux = xno ; then
    have_selinux=no;
else
    # See if we have SELinux library
1016
    AC_CHECK_LIB(selinux, is_selinux_enabled,
1017 1018
                 have_selinux=yes, have_selinux=no)

John Palmieri's avatar
John Palmieri committed
1019
    # see if we have the SELinux header with the new D-Bus stuff in it
1020
    if test x$have_selinux = xyes ; then
1021
        AC_MSG_CHECKING([for DBUS Flask permissions in selinux/av_permissions.h])
1022 1023 1024 1025 1026 1027 1028
        AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <selinux/av_permissions.h>]],
                          [[#ifdef DBUS__ACQUIRE_SVC return 0;
			    #else
			    #error DBUS__ACQUIRE_SVC not defined
			    #endif]])],
                          [have_selinux=yes],
                          [have_selinux=no])
1029
	AC_MSG_RESULT($have_selinux)
1030 1031 1032 1033 1034 1035
    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
1036
    else
1037 1038 1039 1040 1041 1042 1043 1044 1045
        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
1046 1047 1048 1049 1050 1051
    # 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"
1052 1053 1054 1055 1056
    AC_DEFINE(HAVE_SELINUX,1,[SELinux support])
else
    SELINUX_LIBS=
fi

1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072
# AppArmor detection
AS_IF([test x$enable_apparmor = xno],
  [have_apparmor=no],
  [
  PKG_CHECK_MODULES([APPARMOR], [libapparmor >= 2.8.95],
                    [have_apparmor=yes], [have_apparmor=no])

  AS_IF([test x$enable_apparmor = xauto && test x$have_apparmor = xno],
        [AC_MSG_WARN([Sufficiently new AppArmor library not found])])
  AS_IF([test x$enable_apparmor != xauto && test x$have_apparmor = xno],
        [AC_MSG_ERROR([AppArmor explicitly required, and AppArmor library not found])])
  ])

AS_IF([test x$have_apparmor = xyes],
      [AC_DEFINE([HAVE_APPARMOR], [1], [AppArmor Support])])

1073 1074 1075 1076 1077 1078 1079 1080 1081 1082
# 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])
1083
   AC_CHECK_FUNCS(inotify_init1)
1084 1085 1086 1087
fi

AM_CONDITIONAL(DBUS_BUS_ENABLE_INOTIFY, test x$have_inotify = xyes)

1088 1089 1090
# 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.
1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112
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,$have_linux_epoll = xyes,no; then
    AC_MSG_ERROR([epoll support explicitly enabled but not available])
fi
1113 1114 1115
if test x$have_linux_epoll = xyes; then
  AC_DEFINE([DBUS_HAVE_LINUX_EPOLL], 1, [Define to use epoll(4) on Linux])
fi
1116 1117
AM_CONDITIONAL([HAVE_LINUX_EPOLL], [test x$have_linux_epoll = xyes])

John Palmieri's avatar
John Palmieri committed
1118 1119
# kqueue checks
if test x$enable_kqueue = xno ; then
1120
    have_kqueue=no
John Palmieri's avatar
John Palmieri committed
1121
else
1122 1123 1124 1125 1126 1127 1128
    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
1129 1130 1131 1132
fi

dnl check if kqueue backend is enabled
if test x$have_kqueue = xyes; then
1133
   AC_DEFINE(DBUS_BUS_ENABLE_KQUEUE,1,[Use kqueue])
John Palmieri's avatar
John Palmieri committed
1134 1135
fi

1136
AM_CONDITIONAL(DBUS_BUS_ENABLE_KQUEUE, test x$have_kqueue = xyes)
John Palmieri's avatar
John Palmieri committed
1137

Benjamin Reed's avatar
Benjamin Reed committed
1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169
# 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
1170 1171 1172 1173
dnl console owner file
if test x$enable_console_owner_file = xno ; then
    have_console_owner_file=no;
else
1174
    case $host_os in
John Palmieri's avatar
John Palmieri committed
1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185
    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)

1186 1187 1188 1189
dnl systemd detection
if test x$enable_systemd = xno ; then
    have_systemd=no;
else
1190 1191 1192 1193 1194 1195 1196
    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])])
1197 1198 1199 1200 1201 1202 1203 1204 1205 1206
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

1207 1208 1209 1210 1211
# libaudit detection
if test x$enable_libaudit = xno ; then
    have_libaudit=no;
else
    # See if we have audit daemon & capabilities library
1212
    AC_CHECK_LIB(audit, audit_log_user_avc_message,
1213 1214
                 have_libaudit=yes, have_libaudit=no)
    if test x$have_libaudit = xyes ; then
1215
        AC_CHECK_LIB(cap-ng, capng_clear,
1216 1217 1218 1219 1220 1221 1222
                 have_libaudit=yes, have_libaudit=no)
    fi
fi

AM_CONDITIONAL(HAVE_LIBAUDIT, test x$have_libaudit = xyes)

if test x$have_libaudit = xyes ; then
1223
    SELINUX_LIBS="$SELINUX_LIBS -laudit -lcap-ng"
1224 1225 1226
    AC_DEFINE(HAVE_LIBAUDIT,1,[audit daemon SELinux support])
fi

1227 1228 1229
AC_SUBST([SELINUX_LIBS])

# Check for ADT API (Solaris Basic Security Mode auditing)