blob: 4b0103778722696498fdac35f0ffe3b68e58811c [file] [log] [blame]
dnl -*- mode: m4 -*-
AC_PREREQ(2.52)
AC_INIT(dbus/dbus.h)
AC_CANONICAL_TARGET
AM_INIT_AUTOMAKE(dbus, 1.0.2)
AM_CONFIG_HEADER(config.h)
# Honor aclocal flags
ACLOCAL="$ACLOCAL $ACLOCAL_FLAGS"
GETTEXT_PACKAGE=dbus-1
AC_SUBST(GETTEXT_PACKAGE)
AC_DEFINE_UNQUOTED(GETTEXT_PACKAGE,"$GETTEXT_PACKAGE",[The name of the gettext domain])
## must come before we use the $USE_MAINTAINER_MODE variable later
AM_MAINTAINER_MODE
# libtool versioning - this applies to libdbus
#
# See http://sources.redhat.com/autobook/autobook/autobook_91.html#SEC91 for details
#
## increment if the interface has additions, changes, removals.
LT_CURRENT=5
## increment any time the source changes; set to
## 0 if you increment CURRENT
LT_REVISION=0
## increment if any interfaces have been added; set to 0
## if any interfaces have been changed or removed. removal has
## precedence over adding, so set to 0 if both happened.
LT_AGE=2
AC_SUBST(LT_CURRENT)
AC_SUBST(LT_REVISION)
AC_SUBST(LT_AGE)
AC_PROG_CC
AC_PROG_CXX
AC_ISC_POSIX
AC_HEADER_STDC
AC_ARG_ENABLE(tests, AS_HELP_STRING([--enable-tests],[enable unit test code]),enable_tests=$enableval,enable_tests=$USE_MAINTAINER_MODE)
AC_ARG_ENABLE(ansi, AS_HELP_STRING([--enable-ansi],[enable -ansi -pedantic gcc flags]),enable_ansi=$enableval,enable_ansi=no)
AC_ARG_ENABLE(verbose-mode, AS_HELP_STRING([--enable-verbose-mode],[support verbose debug mode]),enable_verbose_mode=$enableval,enable_verbose_mode=$USE_MAINTAINER_MODE)
AC_ARG_ENABLE(asserts, AS_HELP_STRING([--enable-asserts],[include assertion checks]),enable_asserts=$enableval,enable_asserts=$USE_MAINTAINER_MODE)
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=$enableval,enable_doxygen_docs=auto)
AC_ARG_ENABLE(gcov, AS_HELP_STRING([--enable-gcov],[compile with coverage profiling instrumentation (gcc only)]),enable_gcov=$enableval,enable_gcov=no)
AC_ARG_ENABLE(abstract-sockets, AS_HELP_STRING([--enable-abstract-sockets],[use abstract socket namespace (linux only)]),enable_abstract_sockets=$enableval,enable_abstract_sockets=auto)
AC_ARG_ENABLE(selinux, AS_HELP_STRING([--enable-selinux],[build with SELinux support]),enable_selinux=$enableval,enable_selinux=auto)
AC_ARG_ENABLE(dnotify, AS_HELP_STRING([--enable-dnotify],[build with dnotify support (linux only)]),enable_dnotify=$enableval,enable_dnotify=auto)
AC_ARG_ENABLE(kqueue, AS_HELP_STRING([--enable-kqueue],[build with kqueue support]),enable_kqueue=$enableval,enable_kqueue=auto)
AC_ARG_ENABLE(console-owner-file, AS_HELP_STRING([--enable-console-owner-file],[enable console owner file]),enable_console_owner_file=$enableval,enable_console_owner_file=auto)
AC_ARG_WITH(xml, AS_HELP_STRING([--with-xml=[libxml/expat]],[XML library to use]))
AC_ARG_WITH(init-scripts, AS_HELP_STRING([--with-init-scripts=[redhat]],[Style of init scripts to install]))
AC_ARG_WITH(session-socket-dir, AS_HELP_STRING([--with-session-socket-dir=[dirname]],[Where to put sockets for the per-login-session message bus]))
AC_ARG_WITH(test-socket-dir, AS_HELP_STRING([--with-test-socket-dir=[dirname]],[Where to put sockets for make check]))
AC_ARG_WITH(system-pid-file, AS_HELP_STRING([--with-system-pid-file=[pidfile]],[PID file for systemwide daemon]))
AC_ARG_WITH(system-socket, AS_HELP_STRING([--with-system-socket=[filename]],[UNIX domain socket for systemwide daemon]))
AC_ARG_WITH(console-auth-dir, AS_HELP_STRING([--with-console-auth-dir=[dirname]],[directory to check for console ownerhip]))
AC_ARG_WITH(console-owner-file, AS_HELP_STRING([--with-console-owner-file=[filename]],[file whose owner determines current console owner]))
AC_ARG_WITH(dbus_user, AS_HELP_STRING([--with-dbus-user=<user>],[User for running the DBUS daemon (messagebus)]))
AC_ARG_WITH(dbus_daemondir, AS_HELP_STRING([--with-dbus-daemondir=[dirname]],[Directory for installing the DBUS daemon]))
dnl DBUS_BUILD_TESTS controls unit tests built in to .c files
dnl and also some stuff in the test/ subdir
AM_CONDITIONAL(DBUS_BUILD_TESTS, test x$enable_tests = xyes)
if test x$enable_tests = xyes; then
AC_DEFINE(DBUS_BUILD_TESTS,1,[Build test code])
fi
if test x$enable_verbose_mode = xyes; then
AC_DEFINE(DBUS_ENABLE_VERBOSE_MODE,1,[Support a verbose mode])
fi
if test x$enable_asserts = xno; then
AC_DEFINE(DBUS_DISABLE_ASSERT,1,[Disable assertion checking])
AC_DEFINE(G_DISABLE_ASSERT,1,[Disable GLib assertion macros])
R_DYNAMIC_LDFLAG=""
else
# -rdynamic is needed for glibc's backtrace_symbols to work.
# No clue how much overhead this adds, but it's useful
# to do this on any assertion failure,
# so for now it's enabled anytime asserts are (currently not
# in production builds).
# To get -rdynamic you pass -export-dynamic to libtool.
AC_DEFINE(DBUS_BUILT_R_DYNAMIC,1,[whether -export-dynamic was passed to libtool])
R_DYNAMIC_LDFLAG=-export-dynamic
fi
AC_SUBST(R_DYNAMIC_LDFLAG)
if test x$enable_checks = xno; then
AC_DEFINE(DBUS_DISABLE_CHECKS,1,[Disable public API sanity checking])
AC_DEFINE(G_DISABLE_CHECKS,1,[Disable GLib public API sanity checking])
fi
#### gcc warning flags
cc_supports_flag() {
AC_MSG_CHECKING(whether $CC supports "$@")
Cfile=/tmp/foo${$}
touch ${Cfile}.c
$CC -c "$@" ${Cfile}.c -o ${Cfile}.o >/dev/null 2>&1
rc=$?
rm -f ${Cfile}.c ${Cfile}.o
case $rc in
0) AC_MSG_RESULT(yes);;
*) AC_MSG_RESULT(no);;
esac
return $rc
}
if test "x$GCC" = "xyes"; then
changequote(,)dnl
case " $CFLAGS " in
*[\ \ ]-Wall[\ \ ]*) ;;
*) CFLAGS="$CFLAGS -Wall" ;;
esac
case " $CFLAGS " in
*[\ \ ]-Wchar-subscripts[\ \ ]*) ;;
*) CFLAGS="$CFLAGS -Wchar-subscripts" ;;
esac
case " $CFLAGS " in
*[\ \ ]-Wmissing-declarations[\ \ ]*) ;;
*) CFLAGS="$CFLAGS -Wmissing-declarations" ;;
esac
case " $CFLAGS " in
*[\ \ ]-Wmissing-prototypes[\ \ ]*) ;;
*) CFLAGS="$CFLAGS -Wmissing-prototypes" ;;
esac
case " $CFLAGS " in
*[\ \ ]-Wnested-externs[\ \ ]*) ;;
*) CFLAGS="$CFLAGS -Wnested-externs" ;;
esac
case " $CFLAGS " in
*[\ \ ]-Wpointer-arith[\ \ ]*) ;;
*) CFLAGS="$CFLAGS -Wpointer-arith" ;;
esac
case " $CFLAGS " in
*[\ \ ]-Wcast-align[\ \ ]*) ;;
*) CFLAGS="$CFLAGS -Wcast-align" ;;
esac
case " $CFLAGS " in
*[\ \ ]-Wfloat-equal[\ \ ]*) ;;
*) if cc_supports_flag -Wfloat-equals; then
CFLAGS="$CFLAGS -Wfloat-equal"
fi
;;
esac
case " $CFLAGS " in
*[\ \ ]-Wsign-compare[\ \ ]*) ;;
*) CFLAGS="$CFLAGS -Wsign-compare" ;;
esac
case " $CFLAGS " in
*[\ \ ]-Wdeclaration-after-statement[\ \ ]*) ;;
*) if cc_supports_flag -Wdeclaration-after-statement; then
CFLAGS="$CFLAGS -Wdeclaration-after-statement"
fi
;;
esac
case " $CFLAGS " in
*[\ \ ]-fno-common[\ \ ]*) ;;
*) if cc_supports_flag -fno-common; then
CFLAGS="$CFLAGS -fno-common"
fi
;;
esac
case " $CFLAGS " in
*[\ \ ]-fPIC[\ \ ]*) ;;
*) if cc_supports_flag -fPIC; then
CFLAGS="$CFLAGS -fPIC"
fi
;;
esac
if test "x$enable_ansi" = "xyes"; then
case " $CFLAGS " in
*[\ \ ]-ansi[\ \ ]*) ;;
*) CFLAGS="$CFLAGS -ansi" ;;
esac
case " $CFLAGS " in
*[\ \ ]-D_POSIX_C_SOURCE*) ;;
*) CFLAGS="$CFLAGS -D_POSIX_C_SOURCE=199309L" ;;
esac
case " $CFLAGS " in
*[\ \ ]-D_BSD_SOURCE[\ \ ]*) ;;
*) CFLAGS="$CFLAGS -D_BSD_SOURCE" ;;
esac
case " $CFLAGS " in
*[\ \ ]-pedantic[\ \ ]*) ;;
*) CFLAGS="$CFLAGS -pedantic" ;;
esac
fi
if test x$enable_gcov = xyes; then
case " $CFLAGS " in
*[\ \ ]-fprofile-arcs[\ \ ]*) ;;
*) CFLAGS="$CFLAGS -fprofile-arcs" ;;
esac
case " $CFLAGS " in
*[\ \ ]-ftest-coverage[\ \ ]*) ;;
*) CFLAGS="$CFLAGS -ftest-coverage" ;;
esac
## remove optimization
CFLAGS=`echo "$CFLAGS" | sed -e 's/-O[0-9]*//g'`
fi
changequote([,])dnl
else
if test x$enable_gcov = xyes; then
AC_MSG_ERROR([--enable-gcov can only be used with gcc])
fi
fi
# Add -D_POSIX_PTHREAD_SEMANTICS if on Solaris
#
case $target_os in
solaris*)
CFLAGS="$CFLAGS -D_POSIX_PTHREAD_SEMANTICS" ;;
esac
AM_PROG_LIBTOOL
changequote(,)dnl
# compress spaces in flags
CFLAGS=`echo "$CFLAGS" | sed -e 's/ +/ /g'`
CXXFLAGS=`echo "$CXXFLAGS" | sed -e 's/ +/ /g'`
CPPFLAGS=`echo "$CPPFLAGS" | sed -e 's/ +/ /g'`
changequote([,])dnl
if test x$enable_gcov = xyes; then
## 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])
AC_MSG_CHECKING([for gcc 3.3 version of gcov file format])
have_gcc33_gcov=no
AC_RUN_IFELSE( [AC_LANG_PROGRAM( , [[ if (__GNUC__ >=3 && __GNUC_MINOR__ >= 3) exit (0); else exit (1); ]])],
have_gcc33_gcov=yes)
if test x$have_gcc33_gcov = xyes ; then
AC_DEFINE_UNQUOTED(DBUS_HAVE_GCC33_GCOV, 1, [Defined if we have gcc 3.3 and thus the new gcov format])
fi
AC_MSG_RESULT($have_gcc33_gcov)
fi
AM_CONDITIONAL(DBUS_GCOV_ENABLED, test x$enable_gcov = xyes)
#### Integer sizes
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)
### See what our 64 bit type is called
AC_MSG_CHECKING([64-bit integer type])
case 8 in
$ac_cv_sizeof_int)
dbusint64=int
dbusint64_constant='(val)'
dbusuint64_constant='(val)'
;;
$ac_cv_sizeof_long)
dbusint64=long
dbusint64_constant='(val##L)'
dbusuint64_constant='(val##UL)'
;;
$ac_cv_sizeof_long_long)
dbusint64='long long'
dbusint64_constant='(val##LL)'
dbusuint64_constant='(val##ULL)'
;;
$ac_cv_sizeof___int64)
dbusint64=__int64
dbusint64_constant='(val##i64)'
dbusuint64_constant='(val##ui64)'
;;
esac
if test -z "$dbusint64" ; then
DBUS_INT64_TYPE="no_int64_type_detected"
DBUS_HAVE_INT64=0
DBUS_INT64_CONSTANT=
DBUS_UINT64_CONSTANT=
AC_MSG_RESULT([none found])
else
DBUS_INT64_TYPE="$dbusint64"
DBUS_HAVE_INT64=1
DBUS_INT64_CONSTANT="$dbusint64_constant"
DBUS_UINT64_CONSTANT="$dbusuint64_constant"
AC_MSG_RESULT($DBUS_INT64_TYPE)
fi
AC_SUBST(DBUS_INT64_TYPE)
AC_SUBST(DBUS_INT64_CONSTANT)
AC_SUBST(DBUS_UINT64_CONSTANT)
AC_SUBST(DBUS_HAVE_INT64)
### see what 32-bit int is called
AC_MSG_CHECKING([32-bit integer type])
case 4 in
$ac_cv_sizeof_short)
dbusint32=int
;;
$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)
## byte order
case $host_os in
darwin*)
# check at compile-time, so that it is possible to build universal
# (with multiple architectures at once on the compile line)
AH_VERBATIM([WORDS_BIGENDIAN_DARWIN], [
/* Use the compiler-provided endianness defines to allow universal compiling. */
#if defined(__BIG_ENDIAN__)
#define WORDS_BIGENDIAN 1
#endif
])
;;
*)
AC_C_BIGENDIAN
;;
esac
dnl **********************************
dnl *** va_copy checks (from GLib) ***
dnl **********************************
dnl we currently check for all three va_copy possibilities, so we get
dnl all results in config.log for bug reports.
AC_CACHE_CHECK([for an implementation of va_copy()],dbus_cv_va_copy,[
AC_LINK_IFELSE([#include <stdarg.h>
void f (int i, ...) {
va_list args1, args2;
va_start (args1, i);
va_copy (args2, args1);
if (va_arg (args2, int) != 42 || va_arg (args1, int) != 42)
exit (1);
va_end (args1); va_end (args2);
}
int main() {
f (0, 42);
return 0;
}],
[dbus_cv_va_copy=yes],
[dbus_cv_va_copy=no])
])
AC_CACHE_CHECK([for an implementation of __va_copy()],dbus_cv___va_copy,[
AC_LINK_IFELSE([#include <stdarg.h>
void f (int i, ...) {
va_list args1, args2;
va_start (args1, i);
__va_copy (args2, args1);
if (va_arg (args2, int) != 42 || va_arg (args1, int) != 42)
exit (1);
va_end (args1); va_end (args2);
}
int main() {
f (0, 42);
return 0;
}],
[dbus_cv___va_copy=yes],
[dbus_cv___va_copy=no])
])
if test "x$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,$dbus_va_copy_func,[A 'va_copy' style function])
fi
AC_LANG_PUSH(C)
AC_CACHE_CHECK([whether va_lists can be copied by value],
dbus_cv_va_val_copy,
[AC_RUN_IFELSE([AC_LANG_PROGRAM(
[[
#include <stdarg.h>
]],
[[
void f (int i, ...) {
va_list args1, args2;
va_start (args1, i);
args2 = args1;
if (va_arg (args2, int) != 42 || va_arg (args1, int) != 42)
exit (1);
va_end (args1); va_end (args2);
}
int main() {
f (0, 42);
return 0;
}
]])],
[dbus_cv_va_val_copy=yes],
[dbus_cv_va_val_copy=no],
[dbus_cv_va_val_copy=yes])
])
AC_LANG_POP(C)
if test "x$dbus_cv_va_val_copy" = "xno"; then
AC_DEFINE(DBUS_VA_COPY_AS_ARRAY,1, ['va_lists' cannot be copies as values])
fi
#### Atomic integers (checks by Sebastian Wilhelmi for GLib)
AC_MSG_CHECKING([whether to use inline assembler routines for atomic integers])
have_atomic_inc=no
if test x"$GCC" = xyes; then
if test "x$enable_ansi" = "xyes"; then
AC_MSG_RESULT([no])
else
case $host_cpu in
i386)
AC_MSG_RESULT([no])
;;
i?86)
case $host_os in
darwin*)
AC_MSG_RESULT([darwin])
# check at compile-time, so that it is possible to build universal
# (with multiple architectures at once on the compile line)
AH_VERBATIM([DBUS_USE_ATOMIC_INT_486_DARWIN], [
#if (defined(__i386__) || defined(__x86_64__))
# define DBUS_USE_ATOMIC_INT_486 1
#endif
])
;;
*)
AC_MSG_RESULT([i486])
AC_DEFINE_UNQUOTED(DBUS_USE_ATOMIC_INT_486, 1, [Use atomic integer implementation for 486])
;;
esac
have_atomic_inc=yes
;;
*)
AC_MSG_RESULT([no])
;;
esac
fi
fi
if test x$have_atomic_inc = xyes ; then
case $host_os in
darwin*)
AH_VERBATIM([DBUS_HAVE_ATOMIC_INT_DARWIN], [
#if (defined(__i386__) || defined(__x86_64__))
# define DBUS_HAVE_ATOMIC_INT 1
#endif
])
;;
*)
AC_DEFINE_UNQUOTED(DBUS_HAVE_ATOMIC_INT, 1, [Some atomic integer implementation present])
;;
esac
fi
#### Various functions
AC_CHECK_LIB(socket,socket)
AC_CHECK_FUNC(gethostbyname,,[AC_CHECK_LIB(nsl,gethostbyname)])
AC_CHECK_FUNCS(vsnprintf vasprintf nanosleep usleep poll setenv unsetenv socketpair getgrouplist fpathconf)
AC_MSG_CHECKING(for dirfd)
AC_TRY_LINK([
#include <sys/types.h>
#include <dirent.h>
],[
DIR *dirp;
dirp = opendir(".");
dirfd(dirp);
closedir(dirp);
],
dbus_have_dirfd=yes, dbus_have_dirfd=no)
AC_MSG_RESULT($dbus_have_dirfd)
if test "$dbus_have_dirfd" = yes; then
AC_DEFINE(HAVE_DIRFD,1,[Have dirfd function])
else
AC_MSG_CHECKING(for DIR *dirp->dd_fd)
AC_TRY_LINK([
#include <sys/types.h>
#include <dirent.h>
],[
DIR *dirp;
int fd;
dirp = opendir(".");
fd = dirp->dd_fd;
closedir(dirp);
],
dbus_have_ddfd=yes, dbus_have_ddfd=no)
AC_MSG_RESULT($dbus_have_ddfd)
if test "$dbus_have_ddfd" = yes; then
AC_DEFINE(HAVE_DDFD,1,[Have the ddfd member of DIR])
fi
fi
AC_CHECK_HEADERS(execinfo.h, [AC_CHECK_FUNCS(backtrace)])
AC_CHECK_HEADERS(errno.h)
# checking for a posix version of getpwnam_r
# if we are cross compiling and can not run the test
# assume getpwnam_r is the posix version
# it is up to the person cross compiling to change
# this behavior if desired
AC_LANG_PUSH(C)
AC_CACHE_CHECK([for posix getpwnam_r],
ac_cv_func_posix_getpwnam_r,
[AC_RUN_IFELSE([AC_LANG_PROGRAM(
[[
#include <errno.h>
#include <pwd.h>
]],
[[
char buffer[10000];
struct passwd pwd, *pwptr = &pwd;
int error;
errno = 0;
error = getpwnam_r ("", &pwd, buffer,
sizeof (buffer), &pwptr);
return (error < 0 && errno == ENOSYS)
|| error == ENOSYS;
]])],
[ac_cv_func_posix_getpwnam_r=yes],
[ac_cv_func_posix_getpwnam_r=no],
[ac_cv_func_posix_getpwnam_r=yes]
)])
AC_LANG_POP(C)
if test "$ac_cv_func_posix_getpwnam_r" = yes; then
AC_DEFINE(HAVE_POSIX_GETPWNAM_R,1,
[Have POSIX function getpwnam_r])
else
AC_CACHE_CHECK([for nonposix getpwnam_r],
ac_cv_func_nonposix_getpwnam_r,
[AC_TRY_LINK([#include <pwd.h>],
[char buffer[10000];
struct passwd pwd;
getpwnam_r ("", &pwd, buffer,
sizeof (buffer));],
[ac_cv_func_nonposix_getpwnam_r=yes],
[ac_cv_func_nonposix_getpwnam_r=no])])
if test "$ac_cv_func_nonposix_getpwnam_r" = yes; then
AC_DEFINE(HAVE_NONPOSIX_GETPWNAM_R,1,
[Have non-POSIX function getpwnam_r])
fi
fi
dnl check for socklen_t
AC_MSG_CHECKING(whether socklen_t is defined)
AC_TRY_COMPILE([
#include <sys/types.h>
#include <sys/socket.h>
#include <netdb.h>
],[
socklen_t foo;
foo = 1;
],dbus_have_socklen_t=yes,dbus_have_socklen_t=no)
AC_MSG_RESULT($dbus_have_socklen_t)
if test "x$dbus_have_socklen_t" = "xyes"; then
AC_DEFINE(HAVE_SOCKLEN_T,1,[Have socklen_t type])
fi
dnl check for writev header and writev function so we're
dnl good to go if HAVE_WRITEV gets defined.
AC_CHECK_HEADERS(sys/uio.h, [AC_CHECK_FUNCS(writev)])
dnl needed on darwin for NAME_MAX
AC_CHECK_HEADERS(sys/syslimits.h)
dnl check for flavours of varargs macros (test from GLib)
AC_MSG_CHECKING(for ISO C99 varargs macros in C)
AC_TRY_COMPILE([],[
int a(int p1, int p2, int p3);
#define call_a(...) a(1,__VA_ARGS__)
call_a(2,3);
],dbus_have_iso_c_varargs=yes,dbus_have_iso_c_varargs=no)
AC_MSG_RESULT($dbus_have_iso_c_varargs)
AC_MSG_CHECKING(for GNUC varargs macros)
AC_TRY_COMPILE([],[
int a(int p1, int p2, int p3);
#define call_a(params...) a(1,params)
call_a(2,3);
],dbus_have_gnuc_varargs=yes,dbus_have_gnuc_varargs=no)
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$dbus_have_gnuc_varargs = xyes; then
AC_DEFINE(HAVE_GNUC_VARARGS,1,[Have GNU-style varargs macros])
fi
dnl Check for various credentials.
AC_MSG_CHECKING(for struct cmsgcred)
AC_TRY_COMPILE([
#include <sys/types.h>
#include <sys/socket.h>
],[
struct cmsgcred cred;
cred.cmcred_pid = 0;
],dbus_have_struct_cmsgcred=yes,dbus_have_struct_cmsgcred=no)
AC_MSG_RESULT($dbus_have_struct_cmsgcred)
if test x$dbus_have_struct_cmsgcred = xyes; then
AC_DEFINE(HAVE_CMSGCRED,1,[Have cmsgcred structure])
fi
AC_CHECK_FUNCS(getpeerucred getpeereid)
#### Abstract sockets
AC_LANG_PUSH(C)
AC_CACHE_CHECK([abstract socket namespace],
ac_cv_have_abstract_sockets,
[AC_RUN_IFELSE([AC_LANG_PROGRAM(
[[
#include <sys/types.h>
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <errno.h>
]],
[[
int listen_fd;
struct sockaddr_un addr;
listen_fd = socket (PF_UNIX, SOCK_STREAM, 0);
if (listen_fd < 0)
{
fprintf (stderr, "socket() failed: %s\n", strerror (errno));
exit (1);
}
memset (&addr, '\0', sizeof (addr));
addr.sun_family = AF_UNIX;
strcpy (addr.sun_path, "X/tmp/dbus-fake-socket-path-used-in-configure-test");
addr.sun_path[0] = '\0'; /* this is what makes it abstract */
if (bind (listen_fd, (struct sockaddr*) &addr, SUN_LEN (&addr)) < 0)
{
fprintf (stderr, "Abstract socket namespace bind() failed: %s\n",
strerror (errno));
exit (1);
}
else
exit (0);
]])],
[ac_cv_have_abstract_sockets=yes],
[ac_cv_have_abstract_sockets=no]
)])
AC_LANG_POP(C)
if test x$enable_abstract_sockets = xyes; then
if test x$ac_cv_have_abstract_sockets = xno; then
AC_MSG_ERROR([Abstract sockets explicitly required, and support not detected.])
fi
fi
if test x$enable_abstract_sockets = xno; then
ac_cv_have_abstract_sockets=no;
fi
if test x$ac_cv_have_abstract_sockets = xyes ; then
DBUS_PATH_OR_ABSTRACT=abstract
AC_DEFINE(HAVE_ABSTRACT_SOCKETS,1,[Have abstract socket namespace])
else
DBUS_PATH_OR_ABSTRACT=path
fi
# this is used in addresses to prefer abstract, e.g.
# unix:path=/foo or unix:abstract=/foo
AC_SUBST(DBUS_PATH_OR_ABSTRACT)
#### Sort out XML library
# see what we have
AC_CHECK_LIB(expat, XML_ParserCreate_MM,
[ AC_CHECK_HEADERS(expat.h, have_expat=true, have_expat=false) ],
have_expat=false)
PKG_CHECK_MODULES(LIBXML, libxml-2.0 >= 2.6.0, have_libxml=true, have_libxml=false)
# see what we want to use
dbus_use_libxml=false
dbus_use_expat=false
if test x$with_xml = xexpat; then
dbus_use_expat=true
if ! $have_expat ; then
AC_MSG_ERROR([Explicitly requested expat but expat not found])
fi
elif test x$with_xml = xlibxml; then
dbus_use_libxml=true
if ! $have_libxml ; then
AC_MSG_ERROR([Explicitly requested libxml but libxml not found])
fi
else
### expat is the default because libxml can't currently survive
### our brutal OOM-handling unit test setup.
### http://bugzilla.gnome.org/show_bug.cgi?id=109368
if $have_expat ; then
with_xml=expat
dbus_use_expat=true
elif $have_libxml ; then
with_xml=libxml
dbus_use_libxml=true
else
AC_MSG_ERROR([No XML library found, check config.log for failed attempts])
fi
fi
AM_CONDITIONAL(DBUS_USE_EXPAT, $dbus_use_expat)
AM_CONDITIONAL(DBUS_USE_LIBXML, $dbus_use_libxml)
if $dbus_use_expat; then
XML_LIBS=-lexpat
XML_CFLAGS=
fi
if $dbus_use_libxml; then
XML_LIBS=$LIBXML_LIBS
XML_CFLAGS=$LIBXML_CFLAGS
fi
# Thread lib detection
AC_CHECK_FUNC(pthread_cond_timedwait,,[AC_CHECK_LIB(pthread,pthread_cond_timedwait,
[THREAD_LIBS="-lpthread"])])
# SELinux detection
if test x$enable_selinux = xno ; then
have_selinux=no;
else
# See if we have SELinux library
AC_CHECK_LIB(selinux, is_selinux_enabled,
have_selinux=yes, have_selinux=no)
# see if we have the SELinux header with the new D-Bus stuff in it
if test x$have_selinux = xyes ; then
AC_MSG_CHECKING([for DBUS Flask permissions in selinux/av_permissions.h])
AC_TRY_COMPILE([#include <selinux/av_permissions.h>],
[#ifdef DBUS__ACQUIRE_SVC return 0;
#else
#error DBUS__ACQUIRE_SVC not defined
#endif],
have_selinux=yes, have_selinux=no)
AC_MSG_RESULT($have_selinux)
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
else
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
# the selinux code creates threads
# which requires libpthread even on linux
AC_CHECK_FUNC(pthread_create,,[AC_CHECK_LIB(pthread,pthread_create,
[SELINUX_THREAD_LIBS="-lpthread"])])
SELINUX_LIBS="-lselinux $SELINUX_THREAD_LIBS"
AC_DEFINE(HAVE_SELINUX,1,[SELinux support])
else
SELINUX_LIBS=
fi
# dnotify checks
if test x$enable_dnotify = xno ; then
have_dnotify=no;
else
if test x$target_os = xlinux-gnu -o x$target_os = xlinux; then
have_dnotify=yes;
else
have_dnotify=no;
fi
fi
dnl check if dnotify backend is enabled
if test x$have_dnotify = xyes; then
AC_DEFINE(DBUS_BUS_ENABLE_DNOTIFY_ON_LINUX,1,[Use dnotify on Linux])
fi
AM_CONDITIONAL(DBUS_BUS_ENABLE_DNOTIFY_ON_LINUX, test x$have_dnotify = xyes)
# kqueue checks
if test x$enable_kqueue = xno ; then
have_kqueue=no
else
have_kqueue=yes
AC_CHECK_HEADER(sys/event.h, , have_kqueue=no)
AC_CHECK_FUNC(kqueue, , have_kqueue=no)
if test x$enable_kqueue = xyes -a x$have_kqueue = xno; then
AC_MSG_ERROR(kqueue support explicitly enabled but not available)
fi
fi
dnl check if kqueue backend is enabled
if test x$have_kqueue = xyes; then
AC_DEFINE(DBUS_BUS_ENABLE_KQUEUE,1,[Use kqueue])
fi
AM_CONDITIONAL(DBUS_BUS_ENABLE_KQUEUE, test x$have_kqueue = xyes)
dnl console owner file
if test x$enable_console_owner_file = xno ; then
have_console_owner_file=no;
else
case $target_os in
solaris*)
have_console_owner_file=yes;
AC_DEFINE(HAVE_CONSOLE_OWNER_FILE,1,[Have console owner file])
;;
*)
have_console_owner_file=no;;
esac
fi
AM_CONDITIONAL(HAVE_CONSOLE_OWNER_FILE, test x$have_console_owner_file = xyes)
#### Set up final flags
DBUS_CLIENT_CFLAGS=
DBUS_CLIENT_LIBS="$THREAD_LIBS"
AC_SUBST(DBUS_CLIENT_CFLAGS)
AC_SUBST(DBUS_CLIENT_LIBS)
DBUS_BUS_CFLAGS=$XML_CFLAGS
DBUS_BUS_LIBS="$XML_LIBS $SELINUX_LIBS $INTLLIBS $THREAD_LIBS"
AC_SUBST(DBUS_BUS_CFLAGS)
AC_SUBST(DBUS_BUS_LIBS)
DBUS_TEST_CFLAGS=
DBUS_TEST_LIBS="$THREAD_LIBS"
AC_SUBST(DBUS_TEST_CFLAGS)
AC_SUBST(DBUS_TEST_LIBS)
### X11 detection
AC_PATH_XTRA
## for now enable_x11 just tracks have_x11,
## there's no --enable-x11
if test x$no_x = xyes ; then
have_x11=no
enable_x11=no
else
have_x11=yes
enable_x11=yes
fi
if test x$enable_x11 = xyes ; then
AC_DEFINE(DBUS_BUILD_X11,1,[Build X11-dependent code])
DBUS_X_LIBS="$X_LIBS $X_PRE_LIBS -lX11 $X_EXTRA_LIBS"
DBUS_X_CFLAGS="$X_CFLAGS"
else
DBUS_X_LIBS=
DBUS_X_CFLAGS=
fi
AC_SUBST(DBUS_X_CFLAGS)
AC_SUBST(DBUS_X_LIBS)
### Doxygen Documentation
AC_PATH_PROG(DOXYGEN, doxygen, no)
AC_MSG_CHECKING([whether to build Doxygen documentation])
if test x$DOXYGEN = xno ; then
have_doxygen=no
else
have_doxygen=yes
fi
if test x$enable_doxygen_docs = xauto ; then
if test x$have_doxygen = xno ; then
enable_doxygen_docs=no
else
enable_doxygen_docs=yes
fi
fi
if test x$enable_doxygen_docs = xyes; then
if test x$have_doxygen = xno; then
AC_MSG_ERROR([Building Doxygen docs explicitly required, but Doxygen not found])
fi
fi
AM_CONDITIONAL(DBUS_DOXYGEN_DOCS_ENABLED, test x$enable_doxygen_docs = xyes)
AC_MSG_RESULT(yes)
### XML Documentation
AC_PATH_PROG(XMLTO, xmlto, no)
AC_MSG_CHECKING([whether to build XML documentation])
if test x$XMLTO = xno ; then
have_xmlto=no
else
have_xmlto=yes
fi
if test x$enable_xml_docs = xauto ; then
if test x$have_xmlto = xno ; then
enable_xml_docs=no
else
enable_xml_docs=yes
fi
fi
if test x$enable_xml_docs = xyes; then
if test x$have_xmlto = xno; then
AC_MSG_ERROR([Building XML docs explicitly required, but xmlto not found])
fi
fi
AM_CONDITIONAL(DBUS_XML_DOCS_ENABLED, test x$enable_xml_docs = xyes)
AC_MSG_RESULT(yes)
#### Have to go $localstatedir->$prefix/var->/usr/local/var
#### someone please fix this a better way...
#### find the actual value for $prefix that we'll end up with
## (I know this is broken and should be done in the Makefile, but
## that's a major pain and almost nobody actually seems to care)
REAL_PREFIX=
if test "x$prefix" = "xNONE"; then
REAL_PREFIX=$ac_default_prefix
else
REAL_PREFIX=$prefix
fi
## temporarily change prefix and exec_prefix
old_prefix=$prefix
prefix=$REAL_PREFIX
if test "x$exec_prefix" = xNONE ; then
REAL_EXEC_PREFIX=$REAL_PREFIX
else
REAL_EXEC_PREFIX=$exec_prefix
fi
old_exec_prefix=$exec_prefix
exec_prefix=$REAL_EXEC_PREFIX
## eval everything
LOCALSTATEDIR_TMP="$localstatedir"
EXPANDED_LOCALSTATEDIR=`eval echo $LOCALSTATEDIR_TMP`
AC_SUBST(EXPANDED_LOCALSTATEDIR)
SYSCONFDIR_TMP="$sysconfdir"
EXPANDED_SYSCONFDIR=`eval echo $SYSCONFDIR_TMP`
AC_SUBST(EXPANDED_SYSCONFDIR)
BINDIR_TMP="$bindir"
EXPANDED_BINDIR=`eval echo $BINDIR_TMP`
AC_SUBST(EXPANDED_BINDIR)
LIBDIR_TMP="$libdir"
EXPANDED_LIBDIR=`eval echo $LIBDIR_TMP`
AC_SUBST(EXPANDED_LIBDIR)
DATADIR_TMP="$datadir"
EXPANDED_DATADIR=`eval echo $DATADIR_TMP`
AC_SUBST(EXPANDED_DATADIR)
## put prefix and exec_prefix back
prefix=$old_prefix
exec_prefix=$old_exec_prefix
#### Check our operating system
operating_system=unknown
if test -f /etc/redhat-release || test -f $EXPANDED_SYSCONFDIR/redhat-release ; then
operating_system=redhat
fi
if test -f /etc/slackware-version || test -f $EXPANDED_SYSCONFDIR/slackware-version ; then
operating_system=slackware
fi
#### Sort out init scripts
if test x$with_init_scripts = x; then
if test xredhat = x$operating_system ; then
with_init_scripts=redhat
else
if test xslackware = x$operating_system ; then
with_init_scripts=slackware
else
with_init_scripts=none
fi
fi
fi
AM_CONDITIONAL(DBUS_INIT_SCRIPTS_RED_HAT, test x$with_init_scripts = xredhat)
AM_CONDITIONAL(DBUS_INIT_SCRIPTS_SLACKWARE, test x$with_init_scripts = xslackware)
##### Set up location for system bus socket
if ! test -z "$with_system_socket"; then
DBUS_SYSTEM_SOCKET=$with_system_socket
else
DBUS_SYSTEM_SOCKET=${EXPANDED_LOCALSTATEDIR}/run/dbus/system_bus_socket
fi
AC_SUBST(DBUS_SYSTEM_SOCKET)
AC_DEFINE_UNQUOTED(DBUS_SYSTEM_SOCKET,"$DBUS_SYSTEM_SOCKET",[The name of the socket the system bus listens on by default])
## system bus only listens on local domain sockets, and never
## on an abstract socket (so only root can create the socket)
DBUS_SYSTEM_BUS_DEFAULT_ADDRESS="unix:path=$DBUS_SYSTEM_SOCKET"
AC_SUBST(DBUS_SYSTEM_BUS_DEFAULT_ADDRESS)
AC_DEFINE_UNQUOTED(DBUS_SYSTEM_BUS_DEFAULT_ADDRESS, "$DBUS_SYSTEM_BUS_DEFAULT_ADDRESS",[The default D-Bus address of the system bus])
#### Set up the pid file
if ! test -z "$with_system_pid_file"; then
DBUS_SYSTEM_PID_FILE=$with_system_pid_file
elif test x$with_init_scripts = xredhat ; then
DBUS_SYSTEM_PID_FILE=${EXPANDED_LOCALSTATEDIR}/run/messagebus.pid
else
DBUS_SYSTEM_PID_FILE=${EXPANDED_LOCALSTATEDIR}/run/dbus/pid
fi
AC_SUBST(DBUS_SYSTEM_PID_FILE)
#### Directory to check for console ownership
if ! test -z "$with_console_auth_dir"; then
DBUS_CONSOLE_AUTH_DIR=$with_console_auth_dir
else
DBUS_CONSOLE_AUTH_DIR=/var/run/console/
fi
AC_SUBST(DBUS_CONSOLE_AUTH_DIR)
AC_DEFINE_UNQUOTED(DBUS_CONSOLE_AUTH_DIR, "$DBUS_CONSOLE_AUTH_DIR", [Directory to check for console ownerhip])
#### File to check for console ownership
if test x$have_console_owner_file = xyes; then
if ! test -z "$with_console_owner_file"; then
DBUS_CONSOLE_OWNER_FILE=$with_console_owner_file
else
DBUS_CONSOLE_OWNER_FILE=/dev/console
fi
else
DBUS_CONSOLE_OWNER_FILE=
fi
AC_SUBST(DBUS_CONSOLE_OWNER_FILE)
AC_DEFINE_UNQUOTED(DBUS_CONSOLE_OWNER_FILE, "$DBUS_CONSOLE_OWNER_FILE", [File to check for console ownerhip])
#### User to start the system bus as
if test -z "$with_dbus_user" ; then
DBUS_USER=messagebus
else
DBUS_USER=$with_dbus_user
fi
AC_SUBST(DBUS_USER)
AC_DEFINE_UNQUOTED(DBUS_USER,"$DBUS_USER", [User for running the system BUS daemon])
#### Direcotry to install data files into
DBUS_DATADIR=$EXPANDED_DATADIR
AC_SUBST(DBUS_DATADIR)
AC_DEFINE_UNQUOTED(DBUS_DATADIR,"$DBUS_DATADIR", [Directory for installing DBUS data files])
#### Directory to install dbus-daemon
if test -z "$with_dbus_daemondir" ; then
DBUS_DAEMONDIR=$EXPANDED_BINDIR
else
DBUS_DAEMONDIR=$with_dbus_daemondir
fi
AC_SUBST(DBUS_DAEMONDIR)
AC_DEFINE_UNQUOTED(DBUS_DAEMONDIR,"$DBUS_DAEMONDIR", [Directory for installing the DBUS daemon])
#### Directory to install the other binaries
DBUS_BINDIR=$EXPANDED_BINDIR
AC_SUBST(DBUS_BINDIR)
AC_DEFINE_UNQUOTED(DBUS_BINDIR,"$DBUS_BINDIR", [Directory for installing the binaries])
#### Tell tests where to find certain stuff in builddir
DBUS_PWD=`pwd`
AC_DEFUN([TEST_PATH], [
TEST_$1=${DBUS_PWD}/test/$2
AC_DEFINE_UNQUOTED(TEST_$1, "$TEST_$1",
[Full path to test file test/$2 in builddir])
AC_SUBST(TEST_$1)
])
TEST_PATH(SERVICE_DIR, data/valid-service-files)
TEST_PATH(SERVICE_BINARY, test-service)
TEST_PATH(SHELL_SERVICE_BINARY, test-shell-service)
TEST_PATH(EXIT_BINARY, test-exit)
TEST_PATH(SEGFAULT_BINARY, test-segfault)
TEST_PATH(SLEEP_FOREVER_BINARY, test-sleep-forever)
AC_DEFINE_UNQUOTED(TEST_BUS_BINARY, "$DBUS_PWD/bus/dbus-daemon",
[Full path to the daemon in the builddir])
AC_SUBST(TEST_BUS_BINARY)
#### Find socket directories
if ! test -z "$TMPDIR" ; then
DEFAULT_SOCKET_DIR=$TMPDIR
elif ! test -z "$TEMP" ; then
DEFAULT_SOCKET_DIR=$TEMP
elif ! test -z "$TMP" ; then
DEFAULT_SOCKET_DIR=$TMP
else
DEFAULT_SOCKET_DIR=/tmp
fi
if ! test -z "$with_test_socket_dir" ; then
TEST_SOCKET_DIR="$with_test_socket_dir"
else
TEST_SOCKET_DIR=$DEFAULT_SOCKET_DIR
fi
AC_SUBST(TEST_SOCKET_DIR)
AC_DEFINE_UNQUOTED(DBUS_TEST_SOCKET_DIR, "$TEST_SOCKET_DIR", [Where to put test sockets])
if ! test -z "$with_session_socket_dir" ; then
DBUS_SESSION_SOCKET_DIR="$with_session_socket_dir"
else
DBUS_SESSION_SOCKET_DIR=$DEFAULT_SOCKET_DIR
fi
AC_DEFINE_UNQUOTED(DBUS_SESSION_SOCKET_DIR, "$DBUS_SESSION_SOCKET_DIR", [Where per-session bus puts its sockets])
AC_SUBST(DBUS_SESSION_SOCKET_DIR)
AC_OUTPUT([
Doxyfile
dbus/dbus-arch-deps.h
bus/system.conf
bus/session.conf
bus/messagebus
bus/rc.messagebus
bus/dbus-daemon.1
Makefile
dbus/Makefile
bus/Makefile
tools/Makefile
test/Makefile
test/name-test/Makefile
doc/Makefile
dbus-1.pc
test/data/valid-config-files/debug-allow-all.conf
test/data/valid-config-files/debug-allow-all-sha1.conf
test/data/valid-service-files/debug-echo.service
test/data/valid-service-files/debug-segfault.service
test/data/valid-service-files/debug-shell-echo-success.service
test/data/valid-service-files/debug-shell-echo-fail.service
])
dnl ==========================================================================
echo "
D-Bus $VERSION
==============
prefix: ${prefix}
exec_prefix: ${exec_prefix}
libdir: ${EXPANDED_LIBDIR}
bindir: ${EXPANDED_BINDIR}
sysconfdir: ${EXPANDED_SYSCONFDIR}
localstatedir: ${EXPANDED_LOCALSTATEDIR}
datadir: ${EXPANDED_DATADIR}
source code location: ${srcdir}
compiler: ${CC}
cflags: ${CFLAGS}
cppflags: ${CPPFLAGS}
cxxflags: ${CXXFLAGS}
64-bit int: ${DBUS_INT64_TYPE}
32-bit int: ${DBUS_INT32_TYPE}
16-bit int: ${DBUS_INT16_TYPE}
Doxygen: ${DOXYGEN}
xmlto: ${XMLTO}"
echo "
Maintainer mode: ${USE_MAINTAINER_MODE}
gcc coverage profiling: ${enable_gcov}
Building unit tests: ${enable_tests}
Building verbose mode: ${enable_verbose_mode}
Building assertions: ${enable_asserts}
Building checks: ${enable_checks}
Building SELinux support: ${have_selinux}
Building dnotify support: ${have_dnotify}
Building X11 code: ${enable_x11}
Building Doxygen docs: ${enable_doxygen_docs}
Building XML docs: ${enable_xml_docs}
Gettext libs (empty OK): ${INTLLIBS}
Using XML parser: ${with_xml}
Init scripts style: ${with_init_scripts}
Abstract socket names: ${ac_cv_have_abstract_sockets}
System bus socket: ${DBUS_SYSTEM_SOCKET}
System bus address: ${DBUS_SYSTEM_BUS_DEFAULT_ADDRESS}
System bus PID file: ${DBUS_SYSTEM_PID_FILE}
Session bus socket dir: ${DBUS_SESSION_SOCKET_DIR}
Console auth dir: ${DBUS_CONSOLE_AUTH_DIR}
Console owner file: ${have_console_owner_file}
Console owner file path: ${DBUS_CONSOLE_OWNER_FILE}
System bus user: ${DBUS_USER}
Session bus services dir: ${EXPANDED_DATADIR}/dbus-1/services
'make check' socket dir: ${TEST_SOCKET_DIR}
"
if test x$enable_tests = xyes; then
echo "NOTE: building with unit tests increases the size of the installed library and renders it insecure."
fi
if test x$enable_tests = xyes -a x$enable_asserts = xno; then
echo "NOTE: building with unit tests but without assertions means tests may not properly report failures (this configuration is only useful when doing something like profiling the tests)"
fi
if test x$enable_gcov = xyes; then
echo "NOTE: building with coverage profiling is definitely for developers only."
fi
if test x$enable_verbose_mode = xyes; then
echo "NOTE: building with verbose mode increases library size, may slightly increase security risk, and decreases performance."
fi
if test x$enable_asserts = xyes; then
echo "NOTE: building with assertions increases library size and decreases performance."
fi
if test x$enable_checks = xno; then
echo "NOTE: building without checks for arguments passed to public API makes it harder to debug apps using D-Bus, but will slightly decrease D-Bus library size and _very_ slightly improve performance."
fi