1 dnl Kitchen sink for configuration macros
4 AC_DEFUN(AX_CHECK_DOCBOOK, [
5 # It's just rude to go over the net to build
13 [Path to Docbook XSL directory]
15 [DOCBOOK_ROOT=$withval]
18 if test -n "$DOCBOOK_ROOT" ; then
19 AC_CHECK_PROG(XSLTPROC,xsltproc,xsltproc,)
20 if test -n "$XSLTPROC"; then
21 AC_MSG_CHECKING([whether xsltproc works])
22 DB_FILE="$DOCBOOK_ROOT/html/docbook.xsl"
23 $XSLTPROC $XSLTPROC_FLAGS $DB_FILE >/dev/null 2>&1 << END
24 <?xml version="1.0" encoding='ISO-8859-1'?>
25 <!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook XML V4.1.2//EN" "http://www.oasis-open.org/docbook/xml/4.1.2/docbookx.dtd">
29 if test "$?" = 0; then
32 AC_MSG_RESULT($XSLTPROC_WORKS)
36 AC_MSG_CHECKING([whether to build Docbook documentation])
37 AC_MSG_RESULT($XSLTPROC_WORKS)
39 AM_CONDITIONAL(HAVE_XSLTPROC, test x"$XSLTPROC_WORKS" = x"yes")
40 AC_SUBST(XSLTPROC_FLAGS)
41 AC_SUBST(DOCBOOK_ROOT)
46 AC_DEFUN([AC_NETATALK_DTRACE], [
50 [Enable dtrace probes (default: enabled if dtrace found)]
55 if test "x$WDTRACE" = "xyes" -o "x$WDTRACE" = "xauto" ; then
56 AC_CHECK_PROG([atalk_cv_have_dtrace], [dtrace], [yes], [no])
57 if test "x$atalk_cv_have_dtrace" = "xno" ; then
58 if test "x$WDTRACE" = "xyes" ; then
59 AC_MSG_FAILURE([dtrace requested but not found])
67 if test x"$WDTRACE" = x"yes" ; then
68 AC_DEFINE([WITH_DTRACE], [1], [dtrace probes])
70 if test x"$this_os" = x"freebsd" ; then
75 AM_CONDITIONAL(WITH_DTRACE, test "x$WDTRACE" = "xyes")
78 dnl Check for dbus-glib, for AFP stats
79 AC_DEFUN([AC_NETATALK_DBUS_GLIB], [
85 [Enable AFP statistics via dbus (default: enabled if dbus found)]
89 if test x"$withval" != x"no" ; then
90 PKG_CHECK_MODULES(DBUS, dbus-1 >= 1.1, have_dbus=yes, have_dbus=no)
91 PKG_CHECK_MODULES(DBUS_GLIB, dbus-glib-1, have_dbus_glib=yes, have_dbus_glib=no)
92 PKG_CHECK_MODULES(DBUS_GTHREAD, gthread-2.0, have_dbus_gthread=yes, have_dbus_gthread=no)
93 if test x$have_dbus_glib = xyes -a x$have_dbus = xyes -a x$have_dbus_gthread = xyes ; then
96 CFLAGS="$CFLAGS $DBUS_GLIB_CFLAGS"
97 LIBS="$LIBS $DBUS_GLIB_LIBS"
98 AC_CHECK_FUNC([dbus_g_bus_get_private], [atalk_cv_with_dbus=yes], [atalk_cv_with_dbus=no])
99 CFLAGS="$saved_CFLAGS"
104 if test x"$withval" = x"yes" -a x"$atalk_cv_with_dbus" = x"no"; then
105 AC_MSG_ERROR([afpstats requested but dbus-glib not found])
110 [AS_HELP_STRING([--with-dbus-sysconf-dir=PATH],[Path to dbus system bus security configuration directory (default: ${sysconfdir}/dbus-1/system.d/)])],
111 ac_cv_dbus_sysdir=$withval,
112 ac_cv_dbus_sysdir='${sysconfdir}/dbus-1/system.d'
115 if test x$atalk_cv_with_dbus = xyes ; then
116 AC_DEFINE(HAVE_DBUS_GLIB, 1, [Define if support for dbus-glib was found])
117 DBUS_SYS_DIR="$ac_cv_dbus_sysdir"
120 AC_SUBST(DBUS_SYS_DIR)
121 AC_SUBST(DBUS_CFLAGS)
123 AC_SUBST(DBUS_GLIB_CFLAGS)
124 AC_SUBST(DBUS_GLIB_LIBS)
125 AC_SUBST(DBUS_GTHREAD_CFLAGS)
126 AC_SUBST(DBUS_GTHREAD_LIBS)
127 AM_CONDITIONAL(HAVE_DBUS_GLIB, test x$atalk_cv_with_dbus = xyes)
130 dnl Whether to enable developer build
131 AC_DEFUN([AC_DEVELOPER], [
132 AC_MSG_CHECKING([whether to enable developer build])
135 AS_HELP_STRING([--enable-developer], [whether to enable developer build (ABI checking)]),
136 enable_dev=$enableval,
139 AC_MSG_RESULT([$enable_dev])
140 AM_CONDITIONAL(DEVELOPER, test x"$enable_dev" = x"yes")
143 dnl Tracker, for Spotlight
144 AC_DEFUN([AC_NETATALK_SPOTLIGHT], [
145 ac_cv_have_tracker=no
147 ac_cv_tracker_pkg_default=tracker-sparql-0.12
148 AC_ARG_WITH([tracker-pkg-config],
149 [AS_HELP_STRING([--with-tracker-pkg-config],[name of the Tracker SPARQL pkg in pkg-config])],
150 [ac_cv_tracker_pkg=$withval],
151 [ac_cv_tracker_pkg=$ac_cv_tracker_pkg_default])
153 PKG_CHECK_MODULES([TRACKER], [$ac_cv_tracker_pkg >= 0.12], [ac_cv_have_tracker_sparql=yes], [ac_cv_have_tracker_sparql=no])
155 if test x"$ac_cv_have_tracker_sparql" = x"no" ; then
156 if test x"$need_tracker" = x"yes" ; then
157 AC_MSG_ERROR([$ac_cv_tracker_pkg not found])
160 AC_DEFINE(HAVE_TRACKER, 1, [Define if Tracker is available])
161 AC_DEFINE(HAVE_TRACKER_SPARQL, 1, [Define if Tracker SPARQL is available])
162 ac_cv_tracker_prefix=`pkg-config --variable=prefix $ac_cv_tracker_pkg`
163 AC_DEFINE_UNQUOTED(TRACKER_PREFIX, ["$ac_cv_tracker_prefix"], [Path to Tracker])
164 AC_DEFINE([DBUS_DAEMON_PATH], ["/bin/dbus-daemon"], [Path to dbus-daemon])
167 ac_cv_tracker_miner_pkg_default=tracker-miner-0.12
168 AC_ARG_WITH([tracker-miner-pkg-config],
169 [AS_HELP_STRING([--with-tracker-miner-pkg-config],[name of the Tracker miner pkg in pkg-config])],
170 [ac_cv_tracker_miner_pkg=$withval],
171 [ac_cv_tracker_miner_pkg=$ac_cv_tracker_miner_pkg_default])
173 PKG_CHECK_MODULES([TRACKER_MINER], [$ac_cv_tracker_miner_pkg >= 0.12], [ac_cv_have_tracker_miner=yes], [ac_cv_have_tracker_miner=no])
175 if test x"$ac_cv_have_tracker_miner" = x"yes" ; then
176 AC_DEFINE(HAVE_TRACKER_MINER, 1, [Define if Tracker miner library is available])
177 AC_SUBST(TRACKER_MINER_CFLAGS)
178 AC_SUBST(TRACKER_MINER_LIBS)
181 dnl Test for Tracker 0.6 on Solaris and derived platforms, and FreeBSD
182 if test x"$this_os" = x"solaris" -o x"$this_os" = x"freebsd" ; then
183 PKG_CHECK_MODULES([TRACKER], [tracker >= 0.6], [ac_cv_have_tracker_rdf=yes], [ac_cv_have_tracker_rdf=no])
184 if test x"$ac_cv_have_tracker_rdf" = x"yes" ; then
185 AC_DEFINE(HAVE_TRACKER, 1, [Define if Tracker is available])
186 AC_DEFINE(HAVE_TRACKER_RDF, 1, [Define if Tracker 0.6 with support for RDF queries is available])
189 AC_DEFINE([DBUS_DAEMON_PATH], ["/usr/lib/dbus-daemon"], [Path to dbus-daemon])
190 AC_DEFINE([TRACKERD_PATH], ["/bin/trackerd"], [Path to trackerd])
193 AC_DEFINE([DBUS_DAEMON_PATH], ["/usr/local/bin/dbus-daemon"], [Path to dbus-daemon])
194 AC_DEFINE([TRACKERD_PATH], ["/usr/local/libexec/trackerd"], [Path to trackerd])
200 if test x"$ac_cv_have_tracker_sparql" = x"yes" -o x"$ac_cv_have_tracker_rdf" = x"yes" ; then
201 ac_cv_have_tracker=yes
203 AC_SUBST(TRACKER_CFLAGS)
204 AC_SUBST(TRACKER_LIBS)
205 AM_CONDITIONAL(HAVE_TRACKER_SPARQL, [test x"$ac_cv_have_tracker_sparql" = x"yes"])
206 AM_CONDITIONAL(HAVE_TRACKER_RDF, [test x"$ac_cv_have_tracker_rdf" = x"yes"])
209 dnl Whether to disable bundled libevent
210 AC_DEFUN([AC_NETATALK_LIBEVENT], [
211 AC_MSG_CHECKING([whether to use bundled libevent])
214 [AS_HELP_STRING([--with-libevent],[whether to use the bundled libevent (default: yes)])],
215 use_bundled_libevent=$withval,
216 use_bundled_libevent=yes
220 [AS_HELP_STRING([--with-libevent-header],[path to libevent header files])],
221 [use_bundled_libevent=no; LIBEVENT_CFLAGS=-I$withval]
225 [AS_HELP_STRING([--with-libevent-lib],[path to libevent library])],
226 [use_bundled_libevent=no; LIBEVENT_LDFLAGS=-L$withval]
228 if test x"$LIBEVENT_CFLAGS" = x"-Iyes" -o x"$LIBEVENT_LDFLAGS" = x"-Lyes" ; then
229 AC_MSG_ERROR([--with-libevent requires a path])
231 AC_MSG_RESULT([$use_bundled_libevent])
232 if test x"$use_bundled_libevent" = x"yes" ; then
233 AC_CONFIG_SUBDIRS([libevent])
235 AC_SUBST(LIBEVENT_CFLAGS)
236 AC_SUBST(LIBEVENT_LDFLAGS)
237 AM_CONDITIONAL(USE_BUILTIN_LIBEVENT, test x"$use_bundled_libevent" = x"yes")
240 dnl Filesystem Hierarchy Standard (FHS) compatibility
241 AC_DEFUN([AC_NETATALK_FHS], [
242 AC_MSG_CHECKING([whether to use Filesystem Hierarchy Standard (FHS) compatibility])
244 [ --enable-fhs use Filesystem Hierarchy Standard (FHS) compatibility],[
245 if test "$enableval" = "yes"; then
251 mandir="/usr/share/man"
252 uams_path="${libdir}/netatalk"
253 PKGCONFDIR="${sysconfdir}"
254 SERVERTEXT="${localstatedir}/netatalk/msg"
256 AC_DEFINE(FHS_COMPATIBILITY, 1, [Define if you want compatibily with the FHS])
258 atalk_cv_fhs_compat=yes
261 atalk_cv_fhs_compat=no
265 atalk_cv_fhs_compat=no
268 dnl netatalk lockfile path
269 AC_DEFUN([AC_NETATALK_LOCKFILE], [
270 AC_MSG_CHECKING([netatalk lockfile path])
273 [AS_HELP_STRING([--with-lockfile=PATH],[Path of netatalk lockfile])],
274 ac_cv_netatalk_lock=$withval,
275 ac_cv_netatalk_lock=""
277 if test -z "$ac_cv_netatalk_lock" ; then
278 ac_cv_netatalk_lock=/var/spool/locks/netatalk
279 if test x"$atalk_cv_fhs_compat" = x"yes" ; then
280 ac_cv_netatalk_lock=/var/run/netatalk.pid
284 ac_cv_netatalk_lock=/var/spool/lock/netatalk
287 ac_cv_netatalk_lock=/var/run/netatalk.pid
290 ac_cv_netatalk_lock=/var/lock/netatalk
295 AC_DEFINE_UNQUOTED(PATH_NETATALK_LOCK, ["$ac_cv_netatalk_lock"], [netatalk lockfile path])
296 AC_SUBST(PATH_NETATALK_LOCK, ["$ac_cv_netatalk_lock"])
297 AC_MSG_RESULT([$ac_cv_netatalk_lock])
300 dnl 64bit platform check
301 AC_DEFUN([AC_NETATALK_64BIT_LIBS], [
302 AC_MSG_CHECKING([whether to check for 64bit libraries])
303 # Test if the compiler is in 64bit mode
304 echo 'int i;' > conftest.$ac_ext
305 atalk_cv_cc_64bit_output=no
306 if AC_TRY_EVAL(ac_compile); then
307 case `/usr/bin/file conftest.$ac_objext` in
309 atalk_cv_cc_64bit_output=yes
315 case $host_cpu:$atalk_cv_cc_64bit_output in
316 powerpc64:yes | s390x:yes | sparc*:yes | x86_64:yes | i386:yes)
320 atalk_libname="lib/64"
328 atalk_libname="lib64"
339 dnl Check for optional admin group support
340 AC_DEFUN([AC_NETATALK_ADMIN_GROUP], [
341 netatalk_cv_admin_group=yes
342 AC_MSG_CHECKING([for administrative group support])
343 AC_ARG_ENABLE(admin-group,
344 [ --disable-admin-group disable admin group],[
345 if test x"$enableval" = x"no"; then
346 AC_DEFINE(ADMIN_GRP, 0, [Define if the admin group should be enabled])
347 netatalk_cv_admin_group=no
350 AC_DEFINE(ADMIN_GRP, 1, [Define if the admin group should be enabled])
353 AC_DEFINE(ADMIN_GRP, 1, [Define if the admin group should be enabled])
358 dnl Check for optional cracklib support
359 AC_DEFUN([AC_NETATALK_CRACKLIB], [
360 netatalk_cv_with_cracklib=no
361 AC_ARG_WITH(cracklib,
362 [ --with-cracklib[[=DICT]] enable/set location of cracklib dictionary [[no]]],[
363 if test "x$withval" != "xno" ; then
365 AC_CHECK_LIB(crack, main, [
366 AC_DEFINE(USE_CRACKLIB, 1, [Define if cracklib should be used])
368 if test "$cracklib" = "yes"; then
369 cracklib="/usr/$atalk_libname/cracklib_dict"
371 AC_DEFINE_UNQUOTED(_PATH_CRACKLIB, "$cracklib",
372 [path to cracklib dictionary])
373 AC_MSG_RESULT([setting cracklib dictionary to $cracklib])
374 netatalk_cv_with_cracklib=yes
376 AC_MSG_ERROR([cracklib not found!])
382 AC_MSG_CHECKING([for cracklib support])
383 AC_MSG_RESULT([$netatalk_cv_with_cracklib])
386 dnl Check whether to enable debug code
387 AC_DEFUN([AC_NETATALK_DEBUG], [
388 AC_MSG_CHECKING([whether to enable verbose debug code])
390 [ --enable-debug enable verbose debug code],[
391 if test "$enableval" != "no"; then
392 if test "$enableval" = "yes"; then
393 AC_DEFINE(DEBUG, 1, [Define if verbose debugging information should be included])
395 AC_DEFINE_UNQUOTED(DEBUG, $enableval, [Define if verbose debugging information should be included])
400 AC_DEFINE(NDEBUG, 1, [Disable assertions])
404 AC_DEFINE(NDEBUG, 1, [Disable assertions])
409 dnl Check whethe to disable tickle SIGALARM stuff, which eases debugging
410 AC_DEFUN([AC_NETATALK_DEBUGGING], [
411 AC_MSG_CHECKING([whether to enable debugging with debuggers])
412 AC_ARG_ENABLE(debugging,
413 [ --enable-debugging disable SIGALRM timers and DSI tickles (eg for debugging with gdb/dbx/...)],[
414 if test "$enableval" != "no"; then
415 if test "$enableval" = "yes"; then
416 AC_DEFINE(DEBUGGING, 1, [Define if you want to disable SIGALRM timers and DSI tickles])
418 AC_DEFINE_UNQUOTED(DEBUGGING, $enableval, [Define if you want to disable SIGALRM timers and DSI tickles])
431 dnl Check for optional shadow password support
432 AC_DEFUN([AC_NETATALK_SHADOW], [
433 netatalk_cv_use_shadowpw=no
435 [ --with-shadow enable shadow password support [[auto]]],
436 [netatalk_cv_use_shadowpw="$withval"],
437 [netatalk_cv_use_shadowpw=auto]
440 if test "x$netatalk_cv_use_shadowpw" != "xno"; then
441 AC_CHECK_HEADER([shadow.h])
442 if test x"$ac_cv_header_shadow_h" = x"yes"; then
443 netatalk_cv_use_shadowpw=yes
444 AC_DEFINE(SHADOWPW, 1, [Define if shadow passwords should be used])
446 if test "x$shadowpw" = "xyes"; then
447 AC_MSG_ERROR([shadow support not available])
449 netatalk_cv_use_shadowpw=no
454 AC_MSG_CHECKING([whether shadow support should be enabled])
455 if test "x$netatalk_cv_use_shadowpw" = "xyes"; then
462 dnl Check for optional valid-shell-check support
463 AC_DEFUN([AC_NETATALK_SHELL_CHECK], [
464 netatalk_cv_use_shellcheck=yes
465 AC_MSG_CHECKING([whether checking for a valid shell should be enabled])
466 AC_ARG_ENABLE(shell-check,
467 [ --disable-shell-check disable checking for a valid shell],[
468 if test "$enableval" = "no"; then
469 AC_DEFINE(DISABLE_SHELLCHECK, 1, [Define if shell check should be disabled])
471 netatalk_cv_use_shellcheck=no
481 dnl Check for optional initscript install
482 AC_DEFUN([AC_NETATALK_INIT_STYLE], [
483 AC_ARG_WITH(init-style,
484 [ --with-init-style use OS specific init config [[redhat-sysv|redhat-systemd|suse-sysv|suse-systemd|gentoo|netbsd|debian|solaris|systemd]]],
485 init_style="$withval", init_style=none
487 case "$init_style" in
489 AC_MSG_ERROR([--with-init-style=redhat is obsoleted. Use redhat-sysv or redhat-systemd.])
492 AC_MSG_RESULT([enabling redhat-style sysv initscript support])
493 ac_cv_init_dir="/etc/rc.d/init.d"
496 AC_MSG_RESULT([enabling redhat-style systemd support])
497 ac_cv_init_dir="/lib/systemd/system"
500 AC_MSG_ERROR([--with-init-style=suse is obsoleted. Use suse-sysv or suse-systemd.])
503 AC_MSG_RESULT([enabling suse-style sysv initscript support])
504 ac_cv_init_dir="/etc/init.d"
507 AC_MSG_RESULT([enabling suse-style systemd support (>=openSUSE12.1)])
508 ac_cv_init_dir="/lib/systemd/system"
511 AC_MSG_RESULT([enabling gentoo-style initscript support])
512 ac_cv_init_dir="/etc/init.d"
515 AC_MSG_RESULT([enabling netbsd-style initscript support])
516 ac_cv_init_dir="/etc/rc.d"
519 AC_MSG_RESULT([enabling debian-style initscript support])
520 ac_cv_init_dir="/etc/init.d"
523 AC_MSG_RESULT([enabling solaris-style SMF support])
524 ac_cv_init_dir="/lib/svc/manifest/network/"
527 AC_MSG_RESULT([enabling general systemd support])
528 ac_cv_init_dir="/lib/systemd/system"
531 AC_MSG_RESULT([disabling init-style support])
532 ac_cv_init_dir="none"
535 AC_MSG_ERROR([illegal init-style])
538 AM_CONDITIONAL(USE_NETBSD, test x$init_style = xnetbsd)
539 AM_CONDITIONAL(USE_REDHAT_SYSV, test x$init_style = xredhat-sysv)
540 AM_CONDITIONAL(USE_SUSE_SYSV, test x$init_style = xsuse-sysv)
541 AM_CONDITIONAL(USE_SOLARIS, test x$init_style = xsolaris)
542 AM_CONDITIONAL(USE_GENTOO, test x$init_style = xgentoo)
543 AM_CONDITIONAL(USE_DEBIAN, test x$init_style = xdebian)
544 AM_CONDITIONAL(USE_SYSTEMD, test x$init_style = xsystemd || test x$init_style = xredhat-systemd || test x$init_style = xsuse-systemd)
545 AM_CONDITIONAL(USE_UNDEF, test x$init_style = xnone)
547 AC_ARG_WITH(init-dir,
548 [ --with-init-dir=PATH path to OS specific init directory],
549 ac_cv_init_dir="$withval", ac_cv_init_dir="$ac_cv_init_dir"
551 INIT_DIR="$ac_cv_init_dir"
552 AC_SUBST(INIT_DIR, ["$ac_cv_init_dir"])
555 dnl OS specific configuration
556 AC_DEFUN([AC_NETATALK_OS_SPECIFIC], [
558 *aix*) this_os=aix ;;
559 *freebsd*) this_os=freebsd ;;
560 *hpux11*) this_os=hpux11 ;;
561 *irix*) this_os=irix ;;
562 *linux*) this_os=linux ;;
563 *osx*) this_os=macosx ;;
564 *darwin*) this_os=macosx ;;
565 *netbsd*) this_os=netbsd ;;
566 *openbsd*) this_os=openbsd ;;
567 *osf*) this_os=tru64 ;;
568 *solaris*) this_os=solaris ;;
572 i386|i486|i586|i686|k7) this_cpu=x86 ;;
573 alpha) this_cpu=alpha ;;
574 mips) this_cpu=mips ;;
575 powerpc|ppc) this_cpu=ppc ;;
578 dnl --------------------- GNU source
580 linux) AC_DEFINE(_GNU_SOURCE, 1, [Whether to use GNU libc extensions])
582 kfreebsd-gnu) AC_DEFINE(_GNU_SOURCE, 1, [Whether to use GNU libc extensions])
586 dnl --------------------- operating system specific flags (port from sys/*)
588 dnl ----- FreeBSD specific -----
589 if test x"$this_os" = "xfreebsd"; then
590 AC_MSG_RESULT([ * FreeBSD specific configuration])
591 AC_DEFINE(BSD4_4, 1, [BSD compatiblity macro])
592 AC_DEFINE(FREEBSD, 1, [Define if OS is FreeBSD])
593 AC_DEFINE(OPEN_NOFOLLOW_ERRNO, EMLINK, errno returned by open with O_NOFOLLOW)
596 dnl ----- GNU/kFreeBSD specific -----
597 if test x"$this_os" = "xkfreebsd-gnu"; then
598 AC_MSG_RESULT([ * GNU/kFreeBSD specific configuration])
599 AC_DEFINE(BSD4_4, 1, [BSD compatiblity macro])
600 AC_DEFINE(FREEBSD, 1, [Define if OS is FreeBSD])
601 AC_DEFINE(OPEN_NOFOLLOW_ERRNO, EMLINK, errno returned by open with O_NOFOLLOW)
604 dnl ----- Linux specific -----
605 if test x"$this_os" = "xlinux"; then
606 AC_MSG_RESULT([ * Linux specific configuration])
607 AC_DEFINE(LINUX, 1, [OS is Linux])
608 dnl ----- check if we need the quotactl wrapper
609 AC_CHECK_HEADERS(linux/dqblk_xfs.h,,
610 [AC_CHECK_HEADERS(linux/xqm.h linux/xfs_fs.h)
611 AC_CHECK_HEADERS(xfs/libxfs.h xfs/xqm.h xfs/xfs_fs.h)]
615 dnl ----- as far as I can tell, dbtob always does the wrong thing
616 dnl ----- on every single version of linux I've ever played with.
617 dnl ----- see etc/afpd/quota.c
618 AC_DEFINE(HAVE_BROKEN_DBTOB, 1, [Define if dbtob is broken])
623 dnl ----- NetBSD specific -----
624 if test x"$this_os" = "xnetbsd"; then
625 AC_MSG_RESULT([ * NetBSD specific configuration])
626 AC_DEFINE(BSD4_4, 1, [BSD compatiblity macro])
627 AC_DEFINE(NETBSD, 1, [Define if OS is NetBSD])
628 AC_DEFINE(OPEN_NOFOLLOW_ERRNO, EFTYPE, errno returned by open with O_NOFOLLOW)
630 CFLAGS="-I\$(top_srcdir)/sys/netbsd $CFLAGS"
633 dnl ----- NetBSD does not have crypt.h, uses unistd.h -----
634 AC_DEFINE(UAM_DHX, 1, [Define if the DHX UAM modules should be compiled])
637 dnl ----- OpenBSD specific -----
638 if test x"$this_os" = "xopenbsd"; then
639 AC_MSG_RESULT([ * OpenBSD specific configuration])
640 AC_DEFINE(BSD4_4, 1, [BSD compatiblity macro])
641 dnl ----- OpenBSD does not have crypt.h, uses unistd.h -----
642 AC_DEFINE(UAM_DHX, 1, [Define if the DHX UAM modules should be compiled])
645 dnl ----- Solaris specific -----
646 if test x"$this_os" = "xsolaris"; then
647 AC_MSG_RESULT([ * Solaris specific configuration])
648 AC_DEFINE(__svr4__, 1, [Solaris compatibility macro])
649 AC_DEFINE(_ISOC9X_SOURCE, 1, [Compatibility macro])
650 AC_DEFINE(NO_STRUCT_TM_GMTOFF, 1, [Define if the gmtoff member of struct tm is not available])
651 AC_DEFINE(SOLARIS, 1, [Solaris compatibility macro])
652 AC_DEFINE(_XOPEN_SOURCE, 600, [Solaris compilation environment])
653 AC_DEFINE(__EXTENSIONS__, 1, [Solaris compilation environment])
654 CFLAGS="-I\$(top_srcdir)/sys/generic $CFLAGS"
659 AC_MSG_CHECKING([if we can build Solaris kernel module])
660 if test -x /usr/ccs/bin/ld && test x"$netatalk_cv_ddp_enabled" = x"yes" ; then
663 AC_MSG_RESULT([$solaris_module])
665 COMPILE_64BIT_KMODULE=no
668 COMPILE_KERNEL_GCC=no
670 if test "$solaris_module" = "yes"; then
671 dnl Solaris kernel module stuff
672 AC_MSG_CHECKING([if we have to build a 64bit kernel module])
674 # check for isainfo, if not found it has to be a 32 bit kernel (<=2.6)
675 if test -x /usr/bin/isainfo; then
676 # check for 64 bit platform
677 if isainfo -kv | grep '^64-bit'; then
678 COMPILE_64BIT_KMODULE=yes
682 AC_MSG_RESULT([$COMPILE_64BIT_KMODULE])
684 if test "${GCC}" = yes; then
685 COMPILE_KERNEL_GCC=yes
686 if test "$COMPILE_64BIT_KMODULE" = yes; then
688 AC_MSG_CHECKING([if we can build a 64bit kernel module])
690 case `$CC --version 2>/dev/null` in
692 COMPILE_64BIT_KMODULE=no
693 COMPILE_KERNEL_GCC=no
698 #KLDFLAGS="-melf64_sparc"
702 AC_MSG_RESULT([$COMPILE_64BIT_KMODULE])
708 KCFLAGS="$KCFLAGS -D_KERNEL -Wall -Wstrict-prototypes"
710 if test "$COMPILE_64BIT_KMODULE" = yes; then
711 # use Sun CC (for a 64-bit kernel, uncomment " -xarch=v9 -xregs=no%appl ")
712 KCFLAGS="-xarch=v9 -xregs=no%appl"
718 KCFLAGS="-D_KERNEL $KCFLAGS -mno-app-regs -munaligned-doubles -fpcc-struct-return"
721 AC_CACHE_CHECK([for timeout_id_t],netatalk_cv_HAVE_TIMEOUT_ID_T,[
722 AC_LINK_IFELSE([AC_LANG_PROGRAM([[\
723 #include <sys/stream.h>
724 #include <sys/ddi.h>]], [[\
726 ]])],[netatalk_cv_HAVE_TIMEOUT_ID_T=yes],[netatalk_cv_HAVE_TIMEOUT_ID_T=no])])
728 AC_DEFINE(HAVE_TIMEOUT_ID_T, test x"$netatalk_cv_HAVE_TIMEOUT_ID" = x"yes", [define for timeout_id_t])
731 AC_SUBST(COMPILE_KERNEL_GCC)
732 AC_SUBST(COMPILE_64BIT_KMODULE)
737 dnl Whether to run ldconfig after installing libraries
738 AC_PATH_PROG(NETA_LDCONFIG, ldconfig, , [$PATH$PATH_SEPARATOR/sbin$PATH_SEPARATOR/bin$PATH_SEPARATOR/usr/sbin$PATH_SEPARATOR/usr/bin])
739 echo NETA_LDCONFIG = $NETA_LDCONFIG
740 AM_CONDITIONAL(RUN_LDCONFIG, test x"$this_os" = x"linux" -a x"$NETA_LDCONFIG" != x"")
743 dnl Check for building PGP UAM module
744 AC_DEFUN([AC_NETATALK_PGP_UAM], [
745 AC_MSG_CHECKING([whether the PGP UAM should be build])
746 AC_ARG_ENABLE(pgp-uam,
747 [ --enable-pgp-uam enable build of PGP UAM module],[
748 if test "$enableval" = "yes"; then
749 if test "x$neta_cv_have_openssl" = "xyes"; then
750 AC_DEFINE(UAM_PGP, 1, [Define if the PGP UAM module should be compiled])
763 dnl Check for building Kerberos V UAM module
764 AC_DEFUN([AC_NETATALK_KRB5_UAM], [
765 netatalk_cv_build_krb5_uam=no
766 AC_ARG_ENABLE(krbV-uam,
767 [ --enable-krbV-uam enable build of Kerberos V UAM module],
769 if test x"$enableval" = x"yes"; then
770 NETATALK_GSSAPI_CHECK([
771 netatalk_cv_build_krb5_uam=yes
773 AC_MSG_ERROR([need GSSAPI to build Kerberos V UAM])
780 AC_MSG_CHECKING([whether Kerberos V UAM should be build])
781 if test x"$netatalk_cv_build_krb5_uam" = x"yes"; then
786 AM_CONDITIONAL(USE_GSSAPI, test x"$netatalk_cv_build_krb5_uam" = x"yes")
789 dnl Check if we can directly use Kerberos 5 API, used for reading keytabs
790 dnl and automatically construction DirectoryService names from that, instead
791 dnl of requiring special configuration in afp.conf
792 AC_DEFUN([AC_NETATALK_KERBEROS], [
793 AC_MSG_CHECKING([for Kerberos 5 (necessary for GetSrvrInfo:DirectoryNames support)])
794 AC_ARG_WITH([kerberos],
795 [AS_HELP_STRING([--with-kerberos], [Kerberos 5 support (default=auto)])],
797 [with_kerberos=auto])
798 AC_MSG_RESULT($with_kerberos)
800 if test x"$with_kerberos" != x"no"; then
801 have_krb5_header="no"
802 AC_CHECK_HEADERS([krb5/krb5.h krb5.h], [have_krb5_header="yes"; break])
803 if test x"$have_krb5_header" = x"no" && test x"$with_kerberos" != x"auto"; then
804 AC_MSG_FAILURE([--with-kerberos was given, but no headers found])
807 AC_PATH_PROG([KRB5_CONFIG], [krb5-config])
808 AC_MSG_CHECKING([for krb5-config])
809 if test -x "$KRB5_CONFIG"; then
810 AC_MSG_RESULT([$KRB5_CONFIG])
811 KRB5_CFLAGS="`$KRB5_CONFIG --cflags krb5`"
812 KRB5_LIBS="`$KRB5_CONFIG --libs krb5`"
813 AC_SUBST(KRB5_CFLAGS)
817 AC_MSG_RESULT([not found])
818 if test x"$with_kerberos" != x"auto"; then
819 AC_MSG_FAILURE([--with-kerberos was given, but krb5-config could not be found])
824 if test x"$with_kerberos" = x"yes"; then
825 AC_DEFINE([HAVE_KERBEROS], [1], [Define if Kerberos 5 is available])
828 dnl Check for krb5_free_unparsed_name and krb5_free_error_message
829 save_CFLAGS="$CFLAGS"
831 CFLAGS="$KRB5_CFLAGS"
833 AC_CHECK_FUNCS([krb5_free_unparsed_name krb5_free_error_message krb5_free_keytab_entry_contents krb5_kt_free_entry])
834 CFLAGS="$save_CFLAGS"
838 dnl Check for overwrite the config files or not
839 AC_DEFUN([AC_NETATALK_OVERWRITE_CONFIG], [
840 AC_MSG_CHECKING([whether configuration files should be overwritten])
841 AC_ARG_ENABLE(overwrite,
842 [ --enable-overwrite overwrite configuration files during installation],
843 [OVERWRITE_CONFIG="${enable_overwrite}"],
844 [OVERWRITE_CONFIG="no"]
846 AC_MSG_RESULT([$OVERWRITE_CONFIG])
847 AC_SUBST(OVERWRITE_CONFIG)
850 dnl Check for LDAP support, for client-side ACL visibility
851 AC_DEFUN([AC_NETATALK_LDAP], [
852 AC_MSG_CHECKING(for LDAP (necessary for client-side ACL visibility))
854 [AS_HELP_STRING([--with-ldap],
855 [LDAP support (default=auto)])],
856 netatalk_cv_ldap=$withval,
857 netatalk_cv_ldap=auto
859 AC_MSG_RESULT($netatalk_cv_ldap)
861 save_CFLAGS="$CFLAGS"
862 save_LDFLAGS="$LDFLAGS"
871 if test x"$netatalk_cv_ldap" != x"no" ; then
872 if test x"$netatalk_cv_ldap" != x"yes" -a x"$netatalk_cv_ldap" != x"auto"; then
873 CFLAGS="-I$netatalk_cv_ldap/include"
874 LDFLAGS="-L$netatalk_cv_ldap/lib"
876 AC_CHECK_HEADER([ldap.h], netatalk_cv_ldap=yes,
877 [ if test x"$netatalk_cv_ldap" = x"yes" ; then
878 AC_MSG_ERROR([Missing LDAP headers])
882 AC_CHECK_LIB(ldap, ldap_init, netatalk_cv_ldap=yes,
883 [ if test x"$netatalk_cv_ldap" = x"yes" ; then
884 AC_MSG_ERROR([Missing LDAP library])
890 if test x"$netatalk_cv_ldap" = x"yes"; then
891 LDAP_CFLAGS="$CFLAGS"
892 LDAP_LDFLAGS="$LDFLAGS"
894 AC_DEFINE(HAVE_LDAP,1,[Whether LDAP is available])
897 AC_SUBST(LDAP_CFLAGS)
898 AC_SUBST(LDAP_LDFLAGS)
900 CFLAGS="$save_CFLAGS"
901 LDFLAGS="$save_LDFLAGS"
905 dnl Check for ACL support
906 AC_DEFUN([AC_NETATALK_ACL], [
907 AC_MSG_CHECKING(whether to support ACLs)
909 [AS_HELP_STRING([--with-acls],
910 [Include ACL support (default=auto)])],
913 with_acl_support="$withval"
916 with_acl_support=auto
919 [with_acl_support=auto])
920 AC_MSG_RESULT($with_acl_support)
922 if test x"$with_acl_support" = x"no"; then
923 AC_MSG_RESULT(Disabling ACL support)
924 AC_DEFINE(HAVE_NO_ACLS,1,[Whether no ACLs support should be built in])
929 if test x"$with_acl_support" = x"yes" ; then
930 AC_MSG_NOTICE(checking whether ACL support is available:)
933 AC_MSG_NOTICE(Using UnixWare ACLs)
934 AC_DEFINE(HAVE_UNIXWARE_ACLS,1,[Whether UnixWare ACLs are available])
937 AC_MSG_NOTICE(Using solaris ACLs)
938 AC_DEFINE(HAVE_SOLARIS_ACLS,1,[Whether solaris ACLs are available])
939 ACL_LIBS="$ACL_LIBS -lsec"
942 AC_MSG_NOTICE(Using HPUX ACLs)
943 AC_DEFINE(HAVE_HPUX_ACLS,1,[Whether HPUX ACLs are available])
946 AC_MSG_NOTICE(Using IRIX ACLs)
947 AC_DEFINE(HAVE_IRIX_ACLS,1,[Whether IRIX ACLs are available])
950 AC_MSG_NOTICE(Using AIX ACLs)
951 AC_DEFINE(HAVE_AIX_ACLS,1,[Whether AIX ACLs are available])
954 AC_MSG_NOTICE(Using Tru64 ACLs)
955 AC_DEFINE(HAVE_TRU64_ACLS,1,[Whether Tru64 ACLs are available])
956 ACL_LIBS="$ACL_LIBS -lpacl"
959 AC_MSG_NOTICE(ACLs on Darwin currently not supported)
960 AC_DEFINE(HAVE_NO_ACLS,1,[Whether no ACLs support is available])
963 AC_CHECK_LIB(acl,acl_get_file,[ACL_LIBS="$ACL_LIBS -lacl"])
966 AC_CHECK_LIB(attr,getxattr,[ACL_LIBS="$ACL_LIBS -lattr"])
969 AC_CACHE_CHECK([for POSIX ACL support],netatalk_cv_HAVE_POSIX_ACLS,[
971 LIBS="$LIBS $ACL_LIBS"
972 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
973 #include <sys/types.h>
978 acl_entry_t *entry_p;
979 return acl_get_entry(acl, entry_id, entry_p);
980 ]])],[netatalk_cv_HAVE_POSIX_ACLS=yes],[netatalk_cv_HAVE_POSIX_ACLS=no
981 with_acl_support=no])
984 if test x"$netatalk_cv_HAVE_POSIX_ACLS" = x"yes"; then
985 AC_MSG_NOTICE(Using POSIX ACLs)
986 AC_DEFINE(HAVE_POSIX_ACLS,1,[Whether POSIX ACLs are available])
987 AC_CACHE_CHECK([for acl_get_perm_np],netatalk_cv_HAVE_ACL_GET_PERM_NP,[
989 LIBS="$LIBS $ACL_LIBS"
990 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
991 #include <sys/types.h>
994 acl_permset_t permset_d;
996 return acl_get_perm_np(permset_d, perm);
997 ]])],[netatalk_cv_HAVE_ACL_GET_PERM_NP=yes],[netatalk_cv_HAVE_ACL_GET_PERM_NP=no])
1000 if test x"$netatalk_cv_HAVE_ACL_GET_PERM_NP" = x"yes"; then
1001 AC_DEFINE(HAVE_ACL_GET_PERM_NP,1,[Whether acl_get_perm_np() is available])
1005 AC_CACHE_CHECK([for acl_from_mode], netatalk_cv_HAVE_ACL_FROM_MODE,[
1007 LIBS="$LIBS $ACL_LIBS"
1008 AC_CHECK_FUNCS(acl_from_mode,
1009 [netatalk_cv_HAVE_ACL_FROM_MODE=yes],
1010 [netatalk_cv_HAVE_ACL_FROM_MODE=no])
1013 if test x"netatalk_cv_HAVE_ACL_FROM_MODE" = x"yes"; then
1014 AC_DEFINE(HAVE_ACL_FROM_MODE,1,[Whether acl_from_mode() is available])
1018 AC_MSG_NOTICE(ACL support is not avaliable)
1019 AC_DEFINE(HAVE_NO_ACLS,1,[Whether no ACLs support is available])
1025 if test x"$with_acl_support" = x"yes" ; then
1026 AC_CHECK_HEADERS([acl/libacl.h])
1027 AC_DEFINE(HAVE_ACLS,1,[Whether ACLs support is available])
1032 dnl Check for Extended Attributes support
1033 AC_DEFUN([AC_NETATALK_EXTENDED_ATTRIBUTES], [
1035 neta_cv_eas_sys_found=no
1036 neta_cv_eas_sys_not_found=no
1038 AC_CHECK_HEADERS(sys/attributes.h attr/xattr.h sys/xattr.h sys/extattr.h sys/uio.h sys/ea.h)
1043 AC_SEARCH_LIBS(getproplist, [proplist])
1044 AC_CHECK_FUNCS([getproplist fgetproplist setproplist fsetproplist],
1045 [neta_cv_eas_sys_found=yes],
1046 [neta_cv_eas_sys_not_found=yes])
1047 AC_CHECK_FUNCS([delproplist fdelproplist add_proplist_entry get_proplist_entry],,
1048 [neta_cv_eas_sys_not_found=yes])
1049 AC_CHECK_FUNCS([sizeof_proplist_entry],,
1050 [neta_cv_eas_sys_not_found=yes])
1054 AC_CHECK_FUNCS([attropen],
1055 [neta_cv_eas_sys_found=yes; AC_DEFINE(HAVE_EAFD, 1, [extattr API has full fledged fds for EAs])],
1056 [neta_cv_eas_sys_not_found=yes])
1060 AC_CHECK_FUNCS([extattr_delete_fd extattr_delete_file extattr_delete_link],
1061 [neta_cv_eas_sys_found=yes],
1062 [neta_cv_eas_sys_not_found=yes])
1063 AC_CHECK_FUNCS([extattr_get_fd extattr_get_file extattr_get_link],,
1064 [neta_cv_eas_sys_not_found=yes])
1065 AC_CHECK_FUNCS([extattr_list_fd extattr_list_file extattr_list_link],,
1066 [neta_cv_eas_sys_not_found=yes])
1067 AC_CHECK_FUNCS([extattr_set_fd extattr_set_file extattr_set_link],,
1068 [neta_cv_eas_sys_not_found=yes])
1071 *freebsd4* | *dragonfly* )
1072 AC_DEFINE(BROKEN_EXTATTR, 1, [Does extattr API work])
1076 AC_SEARCH_LIBS(getxattr, [attr])
1078 if test "x$neta_cv_eas_sys_found" != "xyes" ; then
1079 AC_CHECK_FUNCS([getxattr lgetxattr fgetxattr listxattr llistxattr],
1080 [neta_cv_eas_sys_found=yes],
1081 [neta_cv_eas_sys_not_found=yes])
1082 AC_CHECK_FUNCS([flistxattr removexattr lremovexattr fremovexattr],,
1083 [neta_cv_eas_sys_not_found=yes])
1084 AC_CHECK_FUNCS([setxattr lsetxattr fsetxattr],,
1085 [neta_cv_eas_sys_not_found=yes])
1088 if test "x$neta_cv_eas_sys_found" != "xyes" ; then
1089 AC_CHECK_FUNCS([getea fgetea lgetea listea flistea llistea],
1090 [neta_cv_eas_sys_found=yes],
1091 [neta_cv_eas_sys_not_found=yes])
1092 AC_CHECK_FUNCS([removeea fremoveea lremoveea setea fsetea lsetea],,
1093 [neta_cv_eas_sys_not_found=yes])
1096 if test "x$neta_cv_eas_sys_found" != "xyes" ; then
1097 AC_CHECK_FUNCS([attr_get attr_list attr_set attr_remove],,
1098 [neta_cv_eas_sys_not_found=yes])
1099 AC_CHECK_FUNCS([attr_getf attr_listf attr_setf attr_removef],,
1100 [neta_cv_eas_sys_not_found=yes])
1105 # Do xattr functions take additional options like on Darwin?
1106 if test x"$ac_cv_func_getxattr" = x"yes" ; then
1107 AC_CACHE_CHECK([whether xattr interface takes additional options], smb_attr_cv_xattr_add_opt, [
1109 LIBS="$LIBS $ACL_LIBS"
1110 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1111 #include <sys/types.h>
1112 #if HAVE_ATTR_XATTR_H
1113 #include <attr/xattr.h>
1114 #elif HAVE_SYS_XATTR_H
1115 #include <sys/xattr.h>
1118 getxattr(0, 0, 0, 0, 0, 0);
1119 ]])],[smb_attr_cv_xattr_add_opt=yes],[smb_attr_cv_xattr_add_opt=no;LIBS=$old_LIBS])
1121 if test x"$smb_attr_cv_xattr_add_opt" = x"yes"; then
1122 AC_DEFINE(XATTR_ADD_OPT, 1, [xattr functions have additional options])
1126 if test "x$neta_cv_eas_sys_found" = "xyes" ; then
1127 if test "x$neta_cv_eas_sys_not_found" != "xyes" ; then
1128 neta_cv_eas="$neta_cv_eas | sys"
1131 AC_DEFINE_UNQUOTED(EA_MODULES,["$neta_cv_eas"],[Available Extended Attributes modules])
1134 dnl Check for libsmbsharemodes from Samba for Samba/Netatalk access/deny/share modes interop
1135 dnl Defines "neta_cv_have_smbshmd" to "yes" or "no"
1136 dnl AC_SUBST's "SMB_SHAREMODES_CFLAGS" and "SMB_SHAREMODES_LDFLAGS"
1137 dnl AM_CONDITIONAL's "USE_SMB_SHAREMODES"
1138 AC_DEFUN([AC_NETATALK_SMB_SHAREMODES], [
1139 neta_cv_have_smbshmd=no
1140 AC_ARG_WITH(smbsharemodes-lib,
1141 [ --with-smbsharemodes-lib=PATH PATH to libsmbsharemodes lib from Samba],
1142 [SMB_SHAREMODES_LDFLAGS="-L$withval -lsmbsharemodes"]
1144 AC_ARG_WITH(smbsharemodes-include,
1145 [ --with-smbsharemodes-include=PATH PATH to libsmbsharemodes header from Samba],
1146 [SMB_SHAREMODES_CFLAGS="-I$withval"]
1148 AC_ARG_WITH(smbsharemodes,
1149 [AS_HELP_STRING([--with-smbsharemodes],[Samba interop (default is yes)])],
1150 [use_smbsharemodes=$withval],
1151 [use_smbsharemodes=yes]
1154 if test x"$use_smbsharemodes" = x"yes" ; then
1155 AC_MSG_CHECKING([whether to enable Samba/Netatalk access/deny/share-modes interop])
1157 saved_CFLAGS="$CFLAGS"
1158 saved_LDFLAGS="$LDFLAGS"
1159 CFLAGS="$SMB_SHAREMODES_CFLAGS $CFLAGS"
1160 LDFLAGS="$SMB_SHAREMODES_LDFLAGS $LDFLAGS"
1163 [#include <unistd.h>
1165 #include <sys/time.h>
1168 /* From messages.h */
1172 #include "smb_share_modes.h"
1173 int main(void) { (void)smb_share_mode_db_open(""); return 0;}],
1174 [neta_cv_have_smbshmd=yes]
1177 AC_MSG_RESULT($neta_cv_have_smbshmd)
1178 AC_SUBST(SMB_SHAREMODES_CFLAGS, [$SMB_SHAREMODES_CFLAGS])
1179 AC_SUBST(SMB_SHAREMODES_LDFLAGS, [$SMB_SHAREMODES_LDFLAGS])
1180 CFLAGS="$saved_CFLAGS"
1181 LDFLAGS="$saved_LDFLAGS"
1184 AM_CONDITIONAL(USE_SMB_SHAREMODES, test x"$neta_cv_have_smbshmd" = x"yes")
1187 dnl ------ Check for sendfile() --------
1188 AC_DEFUN([AC_NETATALK_SENDFILE], [
1189 netatalk_cv_search_sendfile=yes
1190 AC_ARG_ENABLE(sendfile,
1191 [ --disable-sendfile disable sendfile syscall],
1192 [if test x"$enableval" = x"no"; then
1193 netatalk_cv_search_sendfile=no
1197 if test x"$netatalk_cv_search_sendfile" = x"yes"; then
1200 AC_DEFINE(SENDFILE_FLAVOR_LINUX,1,[Whether linux sendfile() API is available])
1201 AC_CHECK_FUNC([sendfile], [netatalk_cv_HAVE_SENDFILE=yes])
1205 AC_DEFINE(SENDFILE_FLAVOR_SOLARIS, 1, [Solaris sendfile()])
1206 AC_SEARCH_LIBS(sendfile, sendfile)
1207 AC_CHECK_FUNC([sendfile], [netatalk_cv_HAVE_SENDFILE=yes])
1208 AC_CHECK_FUNCS([sendfilev])
1212 AC_DEFINE(SENDFILE_FLAVOR_BSD, 1, [Define if the sendfile() function uses BSD semantics])
1213 AC_CHECK_FUNC([sendfile], [netatalk_cv_HAVE_SENDFILE=yes])
1221 if test x"$netatalk_cv_HAVE_SENDFILE" = x"yes"; then
1222 AC_DEFINE(WITH_SENDFILE,1,[Whether sendfile() should be used])
1227 dnl --------------------- Check if realpath() takes NULL
1228 AC_DEFUN([AC_NETATALK_REALPATH], [
1229 AC_CACHE_CHECK([if the realpath function allows a NULL argument],
1230 neta_cv_REALPATH_TAKES_NULL, [
1231 AC_RUN_IFELSE([AC_LANG_SOURCE([[
1236 void exit_on_core(int ignored) {
1242 signal(SIGSEGV, exit_on_core);
1243 newpath = realpath("/tmp", NULL);
1244 exit((newpath != NULL) ? 0 : 1);
1245 }]])],[neta_cv_REALPATH_TAKES_NULL=yes],[neta_cv_REALPATH_TAKES_NULL=no],[neta_cv_REALPATH_TAKES_NULL=cross
1250 if test x"$neta_cv_REALPATH_TAKES_NULL" = x"yes"; then
1251 AC_DEFINE(REALPATH_TAKES_NULL,1,[Whether the realpath function allows NULL])