configure.ac 62.6 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])
6
m4_define([dbus_micro_version], [15])
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
Simon McVittie committed
36
LT_CURRENT=16
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
Simon McVittie committed
45
LT_AGE=13
46

John Palmieri's avatar
John Palmieri committed
47 48 49
AC_SUBST(LT_CURRENT)
AC_SUBST(LT_REVISION)
AC_SUBST(LT_AGE)
50 51
SOVERSION=`expr ${LT_CURRENT} - ${LT_AGE}`
AC_SUBST([SOVERSION])
John Palmieri's avatar
John Palmieri committed
52

53 54 55 56 57 58 59 60 61
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
62

63
AC_PROG_CC
64
AM_PROG_CC_C_O
65
AC_PROG_CXX
66
AC_USE_SYSTEM_EXTENSIONS
67 68
AC_ISC_POSIX
AC_HEADER_STDC
69
AC_C_INLINE
70
AM_PROG_LIBTOOL
71
AC_PROG_MKDIR_P
72 73
COMPILER_COVERAGE
COMPILER_OPTIMISATIONS
74
PKG_PROG_PKG_CONFIG
75

76 77 78 79 80
# 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])

81 82 83 84
# Initialize libtool
LT_INIT([win32-dll])
LT_LANG([Windows Resource])

85 86
# Set some internal variables depending on the platform for later use.
dbus_win=no
87
dbus_cygwin=no
88 89
dbus_unix=no
case "${host}" in
90 91 92 93
    *-mingw32ce*)
        dbus_win=yes
        dbus_wince=yes
        ;;
94 95 96
    *-mingw32*)
        dbus_win=yes
        ;;
97 98 99 100
    *-cygwin*)
        dbus_cygwin=yes
        dbus_unix=yes
        ;;
101 102 103 104 105 106 107 108
    *)
        dbus_unix=yes
       ;;
esac

# Special defines for certain platforms
if test "$dbus_win" = yes; then
    AC_DEFINE(DBUS_WIN,1,[Defined if we run on a W32 API based system])
109 110 111
    # Yes, on Windows it really does work like this.
    # http://support.microsoft.com/kb/111855
    AC_DEFINE(FD_SETSIZE,8192,[The maximum number of connections that can be handled at once])
112 113
    BUILD_TIMESTAMP=`date --iso-8601=minutes`
    AC_SUBST(BUILD_TIMESTAMP)
114 115 116
    # Assume DBUS_VERSION is always three numbers
    BUILD_FILEVERSION=`echo "$DBUS_VERSION" | sed -e 's/\./,/g'`,0
    AC_SUBST(BUILD_FILEVERSION)
117 118 119 120
    AC_CHECK_TOOL(WINDRES, windres, no)
    if test "$WINDRES" = no; then
      AC_MSG_ERROR([*** Could not find an implementation of windres in your PATH.])
    fi
121 122
    if test "$dbus_wince" = yes; then
      AC_DEFINE(DBUS_WINCE,1,[Defined if we run on a W32 CE API based system])
123
      AC_DEFINE(_WIN32_WCE, 0x0502, [Defined to get newer W32 CE APIs])
124
    fi
125 126 127
else
    AC_DEFINE(DBUS_UNIX,1,[Defined if we run on a Unix-based system])
fi
128 129 130
if test "$dbus_cygwin" = yes; then
    AC_DEFINE(DBUS_CYGWIN,1,[Defined if we run on a cygwin API based system])
fi
131

132
AM_CONDITIONAL(DBUS_WIN, test "$dbus_win" = yes)
133
AM_CONDITIONAL(DBUS_WINCE, test "$dbus_wince" = yes)
134
AM_CONDITIONAL(DBUS_UNIX, test "$dbus_unix" = yes)
135
AM_CONDITIONAL(DBUS_CYGWIN, test "$dbus_cygwin" = yes)
136

137 138 139
# this must come first: other options use this to set their defaults
AC_ARG_ENABLE([developer],
  [AS_HELP_STRING([--enable-developer],
140 141 142
    [set defaults to be appropriate for a D-Bus developer instead of a distribution/end-user])],
  [],
  [enable_developer=no])
143

144 145 146 147 148 149 150 151 152 153
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])

154
AC_ARG_ENABLE(ansi, AS_HELP_STRING([--enable-ansi],[enable -ansi -pedantic gcc flags]),enable_ansi=$enableval,enable_ansi=no)
155 156
AC_ARG_ENABLE(verbose-mode, AS_HELP_STRING([--enable-verbose-mode],[support verbose debug mode]),enable_verbose_mode=$enableval,enable_verbose_mode=$enable_developer)
AC_ARG_ENABLE(asserts, AS_HELP_STRING([--enable-asserts],[include assertion checks]),enable_asserts=$enableval,enable_asserts=$enable_developer)
157 158 159
AC_ARG_ENABLE(checks, AS_HELP_STRING([--enable-checks],[include sanity checks on public API]),enable_checks=$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)
160 161 162 163
AC_ARG_ENABLE([ducktype-docs],
              AS_HELP_STRING([--enable-ducktype-docs],
                             [build Ducktype documentation (requires Ducktype)]),
              [enable_ducktype_docs=$enableval], [enable_ducktype_docs=auto])
164 165
AC_ARG_ENABLE(abstract-sockets, AS_HELP_STRING([--enable-abstract-sockets],[use abstract socket namespace (linux only)]),enable_abstract_sockets=$enableval,enable_abstract_sockets=auto)
AC_ARG_ENABLE(selinux, AS_HELP_STRING([--enable-selinux],[build with SELinux support]),enable_selinux=$enableval,enable_selinux=auto)
166 167 168 169
AC_ARG_ENABLE([apparmor],
  [AS_HELP_STRING([--enable-apparmor], [build with AppArmor support])],
  [enable_apparmor=$enableval],
  [enable_apparmor=auto])
170
AC_ARG_ENABLE(libaudit,AS_HELP_STRING([--enable-libaudit],[build audit daemon support for SELinux]),enable_libaudit=$enableval,enable_libaudit=auto)
171
AC_ARG_ENABLE(inotify, AS_HELP_STRING([--enable-inotify],[build with inotify support (linux only)]),enable_inotify=$enableval,enable_inotify=auto)
172
AC_ARG_ENABLE(kqueue, AS_HELP_STRING([--enable-kqueue],[build with kqueue support]),enable_kqueue=$enableval,enable_kqueue=auto)
John Palmieri's avatar
John Palmieri committed
173
AC_ARG_ENABLE(console-owner-file, AS_HELP_STRING([--enable-console-owner-file],[enable console owner file]),enable_console_owner_file=$enableval,enable_console_owner_file=auto)
Benjamin Reed's avatar
Benjamin Reed committed
174
AC_ARG_ENABLE(launchd, AS_HELP_STRING([--enable-launchd],[build with launchd auto-launch support]),enable_launchd=$enableval,enable_launchd=auto)
175
AC_ARG_ENABLE(systemd, AS_HELP_STRING([--enable-systemd],[build with systemd at_console support]),enable_systemd=$enableval,enable_systemd=auto)
176 177 178 179 180 181 182

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
183
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
184
AC_ARG_WITH(launchd-agent-dir, AS_HELP_STRING([--with-launchd-agent-dir=[dirname]],[directory to put the launchd agent (default: /Library/LaunchAgents)]))
185
AC_ARG_WITH(dbus_user, AS_HELP_STRING([--with-dbus-user=<user>],[User for running the DBUS daemon (messagebus)]))
186 187 188
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
189
AC_ARG_WITH(dbus_daemondir, AS_HELP_STRING([--with-dbus-daemondir=[dirname]],[Directory for installing the DBUS daemon]))
190

191 192 193
AC_ARG_ENABLE([embedded-tests],
  AS_HELP_STRING([--enable-embedded-tests],
    [enable unit test code in the library and binaries]),
194
  [], [enable_embedded_tests=$enable_developer])
195 196 197 198 199 200 201 202 203
AC_ARG_ENABLE([modular-tests],
  AS_HELP_STRING([--enable-modular-tests],
    [enable modular regression tests (requires GLib)]),
  [], [enable_modular_tests=auto])
# --enable-tests overrides both --enable-embedded-tests and
# --enable-modular-tests
AC_ARG_ENABLE([tests],
  AS_HELP_STRING([--enable-tests],
    [enable/disable all tests, overriding embedded-tests/modular-tests]),
204 205 206
  [
  if test "x$enableval" = xyes; then
    AC_MSG_NOTICE([Full test coverage was requested with --enable-tests=yes])
207
    AC_MSG_NOTICE([This has many dependencies (GLib, Python etc.)])
208 209 210 211
  fi
  enable_embedded_tests=$enableval
  enable_modular_tests=$enableval
  ],
212 213 214
  [])

# DBUS_ENABLE_EMBEDDED_TESTS controls unit tests built in to .c files
215
# and also some stuff in the test/ subdir.
216 217 218 219 220 221 222 223 224 225 226
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.
227

228
AC_DEFINE([GLIB_VERSION_MIN_REQUIRED], [GLIB_VERSION_2_36], [Ignore post-2.36 deprecations])
Simon McVittie's avatar
Simon McVittie committed
229
AC_DEFINE([GLIB_VERSION_MAX_ALLOWED], [GLIB_VERSION_2_38], [Prevent post-2.38 APIs])
230

231 232
with_glib=yes

233 234
AS_IF([test "x$enable_modular_tests" != xno],
  [
235
  PKG_CHECK_MODULES([GLIB], [glib-2.0 >= 2.36, gio-2.0 >= 2.36],
236 237
    [],
    [if test "x$enable_modular_tests" = xyes; then
238 239
      AC_MSG_NOTICE([Full test coverage (--enable-modular-tests=yes or --enable-tests=yes) requires GLib])
      AC_MSG_ERROR([$GLIB_ERRORS])
240
    else # assumed to be "auto"
241
      with_glib=no
242
    fi])
243 244 245
  ],
  [with_glib=no])

246
if test "x$enable_modular_tests" != xno; then
247
  AC_DEFINE([DBUS_ENABLE_MODULAR_TESTS], [1],
248
    [Define to build independent test binaries])
249
fi
250
AM_CONDITIONAL([DBUS_ENABLE_MODULAR_TESTS],
251 252 253 254 255 256 257
  [test "x$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])
258

259 260 261 262 263 264
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])
265

266 267
if test "x$enable_tests" = xyes; then
  # full test coverage is required, Python is a hard dependency
268
  AC_MSG_NOTICE([Full test coverage (--enable-tests=yes) requires Python, dbus-python, pygi])
269
  AM_PATH_PYTHON([2.6])
270
  AC_MSG_CHECKING([for Python modules for full test coverage])
271
  if "$PYTHON" -c "import dbus, gi.repository.GObject, dbus.mainloop.glib"; then
272 273 274
    AC_MSG_RESULT([yes])
  else
    AC_MSG_RESULT([no])
275
    AC_MSG_ERROR([cannot import dbus, gi.repository.GObject, dbus.mainloop.glib Python modules])
276
  fi
277 278 279 280 281
else
  # --enable-tests not given: do not abort if Python is missing
  AM_PATH_PYTHON([2.6], [], [:])
fi

282 283 284
if test x$enable_verbose_mode = xyes; then
    AC_DEFINE(DBUS_ENABLE_VERBOSE_MODE,1,[Support a verbose mode])
fi
285

286 287
if test x$enable_asserts = xno; then
    AC_DEFINE(DBUS_DISABLE_ASSERT,1,[Disable assertion checking])
288
    DISABLE_UNUSED_WARNINGS="unused-label"
289
    R_DYNAMIC_LDFLAG=""
290 291 292 293 294
    if test x$enable_embedded_tests = xyes; then
        DISABLE_UNUSED_WARNINGS="$DISABLE_UNUSED_WARNINGS \
                unused-but-set-variable unused-variable \
                unused-function"
    fi
295 296
else
    # -rdynamic is needed for glibc's backtrace_symbols to work.
297
    # No clue how much overhead this adds, but it's useful
298 299 300 301 302 303 304
    # 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
305
fi
306 307
AC_SUBST(R_DYNAMIC_LDFLAG)

308 309
if test x$enable_checks = xno; then
    AC_DEFINE(DBUS_DISABLE_CHECKS,1,[Disable public API sanity checking])
310
    AC_DEFINE(G_DISABLE_CHECKS,1,[Disable GLib public API sanity checking])
311
    DISABLE_UNUSED_WARNINGS="unused-label"
312
fi
313

314 315 316 317 318 319 320 321 322
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])

323
if test x$enable_compiler_coverage = xyes; then
324 325 326 327
     ## 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

328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352
# 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)
  ]
)

353
#### Integer sizes
354

355 356 357 358 359 360 361 362
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)

363 364 365
### See what our 64 bit type is called
AC_MSG_CHECKING([64-bit integer type])

366 367 368
case 8 in
$ac_cv_sizeof_int)
  dbusint64=int
369 370
  dbusint64_constant='(val)'
  dbusuint64_constant='(val)'
371
  dbusint64_printf_modifier='""'
372 373 374
  ;;
$ac_cv_sizeof_long)
  dbusint64=long
375 376
  dbusint64_constant='(val##L)'
  dbusuint64_constant='(val##UL)'
377
  dbusint64_printf_modifier='"l"'
378 379 380
  ;;
$ac_cv_sizeof_long_long)
  dbusint64='long long'
381 382
  dbusint64_constant='(val##LL)'
  dbusuint64_constant='(val##ULL)'
383 384 385 386 387
  # Ideally we discover what the format is, but this is
  # only used in verbose mode, so eh...
  if test x"$ac_cv_gnu_library_2_1" = xyes; then
    dbusint64_printf_modifier='"ll"'
  fi
388 389 390
  ;;
$ac_cv_sizeof___int64)
  dbusint64=__int64
391 392
  dbusint64_constant='(val##i64)'
  dbusuint64_constant='(val##ui64)'
393 394 395 396
  # See above case
  if test x"$ac_cv_gnu_library_2_1" = xyes; then
    dbusint64_printf_modifier='"ll"'
  fi
397 398 399
  ;;
esac

400 401 402 403 404 405 406
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:

407
    http://bugs.freedesktop.org/enter_bug.cgi?product=DBus&component=core])
408 409 410
  ],
  dnl else
  [
411 412 413
        DBUS_INT64_TYPE="$dbusint64"
        DBUS_INT64_CONSTANT="$dbusint64_constant"
        DBUS_UINT64_CONSTANT="$dbusuint64_constant"
414 415 416
	if test x"$dbusint64_printf_modifier" != x; then
		AC_DEFINE_UNQUOTED(DBUS_INT64_PRINTF_MODIFIER, [$dbusint64_printf_modifier], [Define to printf modifier for 64 bit integer type])
	fi
417
        AC_MSG_RESULT($DBUS_INT64_TYPE)
418
  ])
419 420 421 422

AC_SUBST(DBUS_INT64_TYPE)
AC_SUBST(DBUS_INT64_CONSTANT)
AC_SUBST(DBUS_UINT64_CONSTANT)
423

424 425 426 427 428
### see what 32-bit int is called
AC_MSG_CHECKING([32-bit integer type])

case 4 in
$ac_cv_sizeof_short)
429
  dbusint32=short
430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470
  ;;
$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)

471
## byte order
472 473 474 475 476 477 478 479 480 481 482 483 484 485 486
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
487 488 489 490 491 492 493

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,[
494
	AC_LINK_IFELSE([AC_LANG_SOURCE([#include <stdarg.h>
495 496
#include <stdlib.h>
	static void f (int i, ...) {
497 498 499 500 501 502 503 504 505 506
	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;
507
	}])],
508 509 510 511
	[dbus_cv_va_copy=yes],
	[dbus_cv_va_copy=no])
])
AC_CACHE_CHECK([for an implementation of __va_copy()],dbus_cv___va_copy,[
512
	AC_LINK_IFELSE([AC_LANG_SOURCE([#include <stdarg.h>
513 514
#include <stdlib.h>
	static void f (int i, ...) {
515 516 517 518 519 520 521 522 523 524
	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;
525
	}])],
526 527 528 529 530 531 532 533 534 535 536 537 538 539 540
	[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

541 542 543 544 545 546
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>
547
	#include <stdlib.h>
548 549
]],
[[
550
	static void f (int i, ...) {
551 552 553 554 555 556 557 558 559 560
	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;
561 562
	}
]])],
563 564 565 566
	[dbus_cv_va_val_copy=yes],
	[dbus_cv_va_val_copy=no],
	[dbus_cv_va_val_copy=yes])
])
567
AC_LANG_POP(C)
568 569 570 571 572 573

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


574 575 576 577
#### Atomic integers

AC_CACHE_CHECK([whether $CC knows __sync_sub_and_fetch()],
  dbus_cv_sync_sub_and_fetch,
578 579
  [AC_LINK_IFELSE([
     AC_LANG_PROGRAM([[]], [[int a = 4; int b = __sync_sub_and_fetch(&a, 4); exit(b); ]])],
580 581 582 583 584 585 586 587
     [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
588
fi
589 590

AC_DEFINE_UNQUOTED([DBUS_USE_SYNC], [$have_sync], [Use the gcc __sync extension])
591

592
#### Various functions
593
AC_SEARCH_LIBS(socket,[socket network])
594
AC_CHECK_FUNC(gethostbyname,,[AC_CHECK_LIB(nsl,gethostbyname)])
595

596
AC_CHECK_FUNCS([vsnprintf vasprintf nanosleep usleep setenv clearenv unsetenv socketpair getgrouplist fpathconf setrlimit poll setlocale localeconv strtoll strtoull issetugid getresuid setresuid getrlimit])
597

598 599 600 601 602
AC_CHECK_HEADERS([syslog.h])
if test "x$ac_cv_header_syslog_h" = "xyes"; then
  AC_CHECK_DECLS([LOG_PERROR], [], [], [[#include <syslog.h>]])
fi

603 604 605 606
# For test-segfault.c
AC_CHECK_HEADERS_ONCE([sys/prctl.h])
AC_CHECK_FUNCS_ONCE([prctl raise])

607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633
#### 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)
634

John Palmieri's avatar
 
John Palmieri committed
635
AC_MSG_CHECKING(for dirfd)
636
AC_LINK_IFELSE([AC_LANG_PROGRAM([[
637 638
#include <sys/types.h>
#include <dirent.h>
639
]], [[
John Palmieri's avatar
 
John Palmieri committed
640 641 642 643
DIR *dirp;
dirp = opendir(".");
dirfd(dirp);
closedir(dirp);
644 645 646
]])],
[dbus_have_dirfd=yes],
[dbus_have_dirfd=no])
John Palmieri's avatar
 
John Palmieri committed
647 648
AC_MSG_RESULT($dbus_have_dirfd)
if test "$dbus_have_dirfd" = yes; then
649
	AC_DEFINE(HAVE_DIRFD,1,[Have dirfd function])
650
else
651
	AC_MSG_CHECKING(for DIR *dirp->dd_fd)
652
	AC_LINK_IFELSE([AC_LANG_PROGRAM([[
653 654
#include <sys/types.h>
#include <dirent.h>
655
	]], [[
656 657 658 659 660
DIR *dirp;
int fd;
dirp = opendir(".");
fd = dirp->dd_fd;
closedir(dirp);
661 662 663
        ]])],
        [dbus_have_ddfd=yes],
        [dbus_have_ddfd=no])
664 665 666 667
	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
668
fi
669

670 671
AC_CHECK_HEADERS(sys/resource.h)

Tor Lillqvist's avatar
Tor Lillqvist committed
672 673
AC_CHECK_HEADERS(dirent.h)

674 675 676 677
AC_CHECK_HEADERS([execinfo.h],
	[AC_SEARCH_LIBS([backtrace], [execinfo],
		[AC_DEFINE([HAVE_BACKTRACE], [1],
			[Define to 1 if you have backtrace().])])])
678

679 680
AC_CHECK_HEADERS(errno.h)

681 682 683 684
AC_CHECK_HEADERS(signal.h)

AC_CHECK_HEADERS(locale.h)

685 686
AC_CHECK_HEADERS(byteswap.h)

687 688
AC_CHECK_HEADERS(unistd.h)

689 690
AC_CHECK_HEADERS(ws2tcpip.h)

691 692
AC_CHECK_HEADERS(alloca.h)

693 694 695 696 697 698
# Add -D_POSIX_PTHREAD_SEMANTICS if on Solaris
#
case $host_os in
    solaris*)
       CFLAGS="$CFLAGS -D_POSIX_PTHREAD_SEMANTICS" ;;
esac
699

700 701 702 703 704
# 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
705
AC_LANG_PUSH(C)
706 707
AC_CACHE_CHECK([for posix getpwnam_r],
		ac_cv_func_posix_getpwnam_r,
708 709
		[AC_RUN_IFELSE([AC_LANG_PROGRAM(
[[
710 711
#include <errno.h>
#include <pwd.h>
712 713
]],
[[
714 715 716 717
    char buffer[10000];
    struct passwd pwd, *pwptr = &pwd;
    int error;
    errno = 0;
718
    error = getpwnam_r ("", &pwd, buffer,
719
                        sizeof (buffer), &pwptr);
720 721
   return (error < 0 && errno == ENOSYS)
	   || error == ENOSYS;
722
]])],
723
	[ac_cv_func_posix_getpwnam_r=yes],
724
	[ac_cv_func_posix_getpwnam_r=no],
725 726 727 728
        [ac_cv_func_posix_getpwnam_r=yes]
)])
AC_LANG_POP(C)

729
if test "$ac_cv_func_posix_getpwnam_r" = yes; then
730 731
        AC_DEFINE(HAVE_POSIX_GETPWNAM_R,1,
                [Have POSIX function getpwnam_r])
732
else
733 734
        AC_CACHE_CHECK([for nonposix getpwnam_r],
                ac_cv_func_nonposix_getpwnam_r,
735
                [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <pwd.h>]], [[char buffer[10000];
736 737
                        struct passwd pwd;
                        getpwnam_r ("", &pwd, buffer,
738
                                        sizeof (buffer));]])],
739 740 741 742 743 744
                        [ac_cv_func_nonposix_getpwnam_r=yes],
                        [ac_cv_func_nonposix_getpwnam_r=no])])
                if test "$ac_cv_func_nonposix_getpwnam_r" = yes; then
                AC_DEFINE(HAVE_NONPOSIX_GETPWNAM_R,1,
                        [Have non-POSIX function getpwnam_r])
        fi
745
fi
746

747 748
dnl check for socklen_t
AC_MSG_CHECKING(whether socklen_t is defined)
749
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
750 751 752
#include <sys/types.h>
#include <sys/socket.h>
#include <netdb.h>
753
]], [[
754 755
socklen_t foo;
foo = 1;
756 757 758
]])],
[dbus_have_socklen_t=yes],
[dbus_have_socklen_t=no])
759 760 761 762 763 764
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

765
dnl check for writev header and writev function so we're
766 767 768
dnl good to go if HAVE_WRITEV gets defined.
AC_CHECK_HEADERS(sys/uio.h, [AC_CHECK_FUNCS(writev)])

769 770 771
dnl needed on darwin for NAME_MAX
AC_CHECK_HEADERS(sys/syslimits.h)

772
dnl Make it easy to check if we have MSG_NOSIGNAL without actually having to include sys/socket.h
773 774
AC_CHECK_DECLS([MSG_NOSIGNAL], [], [], [[ #include <sys/types.h>
#include <sys/socket.h> ]])
775

776 777
dnl check for flavours of varargs macros (test from GLib)
AC_MSG_CHECKING(for ISO C99 varargs macros in C)
778
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
779 780 781
int a(int p1, int p2, int p3);
#define call_a(...) a(1,__VA_ARGS__)
call_a(2,3);
782 783 784
]])],
[dbus_have_iso_c_varargs=yes],
[dbus_have_iso_c_varargs=no])
785 786 787
AC_MSG_RESULT($dbus_have_iso_c_varargs)

AC_MSG_CHECKING(for GNUC varargs macros)
788
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
789 790 791
int a(int p1, int p2, int p3);
#define call_a(params...) a(1,params)
call_a(2,3);
792 793 794
]])],
[dbus_have_gnuc_varargs=yes],
[dbus_have_gnuc_varargs=no])
795 796 797 798 799 800 801 802 803 804
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

805 806
dnl Check for various credentials.
AC_MSG_CHECKING(for struct cmsgcred)
Simon McVittie's avatar
Simon McVittie committed
807
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
808 809
#include <sys/types.h>
#include <sys/socket.h>
Simon McVittie's avatar
Simon McVittie committed
810
]], [[
811 812 813
struct cmsgcred cred;

cred.cmcred_pid = 0;
Simon McVittie's avatar
Simon McVittie committed
814 815 816
]])],
[dbus_have_struct_cmsgcred=yes],
[dbus_have_struct_cmsgcred=no])
817 818 819 820 821
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
822

823 824 825 826 827
AC_CHECK_MEMBER([struct unpcbid.unp_pid],
                [AC_DEFINE([HAVE_UNPCBID], 1, [Have unpcbid structure])],
                [],
                [[#include <sys/un.h>]])

828
AC_CHECK_FUNCS(getpeerucred getpeereid)
829

830
AC_CHECK_FUNCS(pipe2 accept4)
831

832 833
#### Abstract sockets

834
if test x$enable_abstract_sockets = xauto; then
835
AC_LANG_PUSH(C)
836
warn_on_xcompile=no
837 838 839
AC_CACHE_CHECK([abstract socket namespace],
		ac_cv_have_abstract_sockets,
		[AC_RUN_IFELSE([AC_LANG_PROGRAM(
840 841 842 843 844 845 846 847 848 849
[[
#include <sys/types.h>
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <errno.h>
]],
[[
850
  size_t slen;
851 852
  int listen_fd;
  struct sockaddr_un addr;
853

854
  listen_fd = socket (PF_UNIX, SOCK_STREAM, 0);
855

856 857 858 859 860 861 862 863 864
  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");
865 866 867 868
  /* SUN_LEN uses strlen() so need to calculate it before adding \0 at the
   * beginning.
   */
  slen = SUN_LEN(&addr);
869
  addr.sun_path[0] = '\0'; /* this is what makes it abstract */
870

871
  if (bind (listen_fd, (struct sockaddr*) &addr, slen) < 0)
872
    {
873
       fprintf (stderr, "Abstract socket namespace bind() failed: %s\n",
874 875 876
                strerror (errno));
       exit (1);
    }
877
  else
878 879
    exit (0);
]])],
880
              [ac_cv_have_abstract_sockets=yes],
881 882 883 884 885
              [ac_cv_have_abstract_sockets=no],
              [
                ac_cv_have_abstract_sockets=no
                warn_on_xcompile=yes
              ]
886
)])
887 888 889
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
890
AC_LANG_POP(C)
891
fi
892 893

if test x$enable_abstract_sockets = xyes; then
894
    if test x$ac_cv_have_abstract_sockets = xno; then
895 896 897 898 899
	AC_MSG_ERROR([Abstract sockets explicitly required, and support not detected.])
    fi
fi

if test x$enable_abstract_sockets = xno; then
900
   ac_cv_have_abstract_sockets=no;
901 902
fi

903
if test x$ac_cv_have_abstract_sockets = xyes ; then
904
   DBUS_PATH_OR_ABSTRACT=abstract
905
   AC_DEFINE(HAVE_ABSTRACT_SOCKETS,1,[Have abstract socket namespace])
906 907 908 909
else
   DBUS_PATH_OR_ABSTRACT=path
fi

910 911
# this is used in addresses to prefer abstract, e.g.
# unix:path=/foo or unix:abstract=/foo
912 913
AC_SUBST(DBUS_PATH_OR_ABSTRACT)

914 915
#### Sort out XML library

916
AC_CHECK_LIB(expat, XML_ParserCreate_MM,
917 918 919
             [ 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]) ])
920

921 922
XML_LIBS=-lexpat
XML_CFLAGS=
923 924
AC_SUBST([XML_CFLAGS])
AC_SUBST([XML_LIBS])
925

926
# Thread lib detection
927
AC_ARG_VAR([THREAD_LIBS])
928 929
save_libs="$LIBS"
LIBS="$LIBS $THREAD_LIBS"
930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973

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>
974
#include <pthread.h>
975
]], [[
976 977 978 979 980
struct timespec monotonic_timer;
pthread_condattr_t attr;
pthread_condattr_init (&attr);
pthread_condattr_setclock (&attr, CLOCK_MONOTONIC);
clock_getres (CLOCK_MONOTONIC,&monotonic_timer);
981
]])],
982 983 984 985 986 987 988 989 990 991 992
            [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

993
LIBS="$save_libs"
994

995 996
AC_SUBST([THREAD_LIBS])

997 998 999 1000 1001
# SELinux detection
if test x$enable_selinux = xno ; then
    have_selinux=no;
else
    # See if we have SELinux library
1002
    AC_CHECK_LIB(selinux, is_selinux_enabled,
1003 1004
                 have_selinux=yes, have_selinux=no)

John Palmieri's avatar
John Palmieri committed
1005
    # see if we have the SELinux header with the new D-Bus stuff in it
1006
    if test x$have_selinux = xyes ; then
1007
        AC_MSG_CHECKING([for DBUS Flask permissions in selinux/av_permissions.h])
1008 1009 1010 1011 1012 1013 1014
        AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <selinux/av_permissions.h>]],
                          [[#ifdef DBUS__ACQUIRE_SVC return 0;
			    #else
			    #error DBUS__ACQUIRE_SVC not defined
			    #endif]])],
                          [have_selinux=yes],
                          [have_selinux=no])
1015
	AC_MSG_RESULT($have_selinux)
1016 1017 1018 1019 1020 1021
    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
1022
    else
1023 1024 1025 1026 1027 1028 1029 1030 1031
        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
1032 1033 1034 1035 1036 1037
    # 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"
1038 1039 1040 1041 1042
    AC_DEFINE(HAVE_SELINUX,1,[SELinux support])
else
    SELINUX_LIBS=
fi

1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058
# 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])])

1059 1060 1061 1062 1063 1064 1065 1066 1067 1068
# 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])
1069
   AC_CHECK_FUNCS(inotify_init1)
1070 1071 1072 1073
fi

AM_CONDITIONAL(DBUS_BUS_ENABLE_INOTIFY, test x$have_inotify = xyes)

1074 1075 1076
# 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.
1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098
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,$have_linux_epoll = xyes,no; then
    AC_MSG_ERROR([epoll support explicitly enabled but not available])
fi
1099 1100 1101
if test x$have_linux_epoll = xyes; then
  AC_DEFINE([DBUS_HAVE_LINUX_EPOLL], 1, [Define to use epoll(4) on Linux])
fi
1102 1103
AM_CONDITIONAL([HAVE_LINUX_EPOLL], [test x$have_linux_epoll = xyes])

John Palmieri's avatar
John Palmieri committed
1104 1105
# kqueue checks
if test x$enable_kqueue = xno ; then
1106
    have_kqueue=no
John Palmieri's avatar
John Palmieri committed
1107
else
1108 1109 1110 1111 1112 1113 1114
    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
1115 1116 1117 1118
fi

dnl check if kqueue backend is enabled
if test x$have_kqueue = xyes; then
1119
   AC_DEFINE(DBUS_BUS_ENABLE_KQUEUE,1,[Use kqueue])
John Palmieri's avatar
John Palmieri committed
1120 1121
fi

1122
AM_CONDITIONAL(DBUS_BUS_ENABLE_KQUEUE, test x$have_kqueue = xyes)
John Palmieri's avatar
John Palmieri committed
1123

Benjamin Reed's avatar
Benjamin Reed committed
1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155
# 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
1156 1157 1158 1159
dnl console owner file
if test x$enable_console_owner_file = xno ; then
    have_console_owner_file=no;
else
1160
    case $host_os in
John Palmieri's avatar
John Palmieri committed
1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171
    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)

1172 1173 1174 1175
dnl systemd detection
if test x$enable_systemd = xno ; then
    have_systemd=no;
else
1176 1177 1178 1179 1180 1181 1182
    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])])
1183 1184 1185 1186 1187 1188 1189 1190 1191 1192
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

1193 1194 1195 1196 1197
# libaudit detection
if test x$enable_libaudit = xno ; then
    have_libaudit=no;
else
    # See if we have audit daemon & capabilities library
1198
    AC_CHECK_LIB(audit, audit_log_user_avc_message,
1199 1200
                 have_libaudit=yes, have_libaudit=no)
    if test x$have_libaudit = xyes ; then
1201
        AC_CHECK_LIB(cap-ng, capng_clear,
1202 1203 1204 1205 1206 1207 1208
                 have_libaudit=yes, have_libaudit=no)
    fi
fi

AM_CONDITIONAL(HAVE_LIBAUDIT, test x$have_libaudit = xyes)

if test x$have_libaudit = xyes ; then
1209
    SELINUX_LIBS="$SELINUX_LIBS -laudit -lcap-ng"
1210 1211 1212
    AC_DEFINE(HAVE_LIBAUDIT,1,[audit daemon SELinux support])
fi

1213 1214 1215
AC_SUBST([SELINUX_LIBS])

# Check for ADT API (Solaris Basic Security Mode auditing)
1216 1217 1218 1219 1220 1221 1222