macros/netatalk.m4

   1 dnl Kitchen sink for configuration macros
   2
   3 dnl Whether to enable developer build
   4 AC_DEFUN([AC_DEVELOPER], [
   5     AC_MSG_CHECKING([whether to enable developer build])
   6     AC_ARG_ENABLE(
   7         developer,
   8         AS_HELP_STRING([--enable-developer], [whether to enable developer build (ABI checking)]),
   9         enable_dev=$enableval,
  10         enable_dev=no
  11     )
  12     AC_MSG_RESULT([$enable_dev])
  13     AM_CONDITIONAL(DEVELOPER, test x"$enable_dev" = x"yes")
  14 ])
  15
  16 dnl Tracker, for Spotlight
  17 AC_DEFUN([AC_NETATALK_SPOTLIGHT], [
  18     ac_cv_tracker_pkg_default=tracker-sparql-0.12
  19     AC_ARG_WITH([tracker-pkg-config],
  20         [AS_HELP_STRING([--with-tracker-pkg-config],[name of the Tracker SPARQL pkg in pkg-config])],
  21         [ac_cv_tracker_pkg=$withval],
  22         [ac_cv_tracker_pkg=$ac_cv_tracker_pkg_default])
  23
  24     AC_MSG_NOTICE([searching for $ac_cv_tracker_pkg])
  25
  26     PKG_CHECK_MODULES([TRACKER], [$ac_cv_tracker_pkg >= 0.12], [ac_cv_have_tracker=yes], [ac_cv_have_tracker=no])
  27
  28     if test x"$ac_cv_have_tracker" = x"no" ; then
  29         if test x"$need_tracker" = x"yes" ; then
  30             AC_MSG_ERROR([$ac_cv_tracker_pkg not found])
  31         fi
  32     else
  33         AC_DEFINE(HAVE_TRACKER, 1, [Define if Tracker library is available])
  34         fi
  35
  36     AC_SUBST(TRACKER_CFLAGS)
  37     AC_SUBST(TRACKER_LIBS)
  38     AM_CONDITIONAL(HAVE_TRACKER, [test x"$ac_cv_have_tracker" = x"yes"])
  39
  40     ac_cv_tracker_miner_pkg_default=tracker-miner-0.12
  41     AC_ARG_WITH([tracker-miner-pkg-config],
  42         [AS_HELP_STRING([--with-tracker-miner-pkg-config],[name of the Tracker miner pkg in pkg-config])],
  43         [ac_cv_tracker_miner_pkg=$withval],
  44         [ac_cv_tracker_miner_pkg=$ac_cv_tracker_miner_pkg_default])
  45
  46     AC_MSG_NOTICE([searching for $ac_cv_tracker_miner_pkg])
  47
  48     PKG_CHECK_MODULES([TRACKER_MINER], [$ac_cv_tracker_miner_pkg >= 0.12], [ac_cv_have_tracker_miner=yes], [ac_cv_have_tracker_miner=no])
  49
  50     if test x"$ac_cv_have_tracker_miner" = x"yes" ; then
  51         AC_DEFINE(HAVE_TRACKER_MINER, 1, [Define if Tracker miner library is available])
  52         AC_SUBST(TRACKER_MINER_CFLAGS)
  53         AC_SUBST(TRACKER_MINER_LIBS)
  54         fi
  55 ])
  56
  57 dnl Whether to disable bundled libevent
  58 AC_DEFUN([AC_NETATALK_LIBEVENT], [
  59     AC_MSG_CHECKING([whether to disable bundled libevent (define CPPFLAGS and LDFLAGS otherwise appropiately to pick up installed version)])
  60     AC_ARG_ENABLE(
  61         bundled-libevent,
  62         [AS_HELP_STRING([--disable-bundled-libevent],[whether the bundled version of libevent shall not be used (define CPPFLAGS and LDFLAGS otherwise appropiately to pick up installed version)
  63         ])],
  64         use_bundled_libevent=$enableval,
  65         use_bundled_libevent=yes
  66     )
  67
  68     if test x"$use_bundled_libevent" = x"yes" ; then
  69         AC_MSG_RESULT([no])
  70         AC_CONFIG_SUBDIRS([libevent])
  71     else
  72         AC_MSG_RESULT([yes])
  73     fi
  74     AM_CONDITIONAL(USE_BUILTIN_LIBEVENT, test x"$use_bundled_libevent" = x"yes")
  75 ])
  76
  77 dnl Filesystem Hierarchy Standard (FHS) compatibility
  78 AC_DEFUN([AC_NETATALK_FHS], [
  79 AC_MSG_CHECKING([whether to use Filesystem Hierarchy Standard (FHS) compatibility])
  80 AC_ARG_ENABLE(fhs,
  81         [  --enable-fhs            use Filesystem Hierarchy Standard (FHS) compatibility],[
  82         if test "$enableval" = "yes"; then
  83                 bindir="/bin"
  84                 sbindir="/sbin"
  85                 sysconfdir="/etc"
  86                 libdir="/lib"
  87                 localstatedir="/var"
  88                 mandir="/usr/share/man"
  89                 uams_path="${libdir}/netatalk"
  90                 PKGCONFDIR="${sysconfdir}"
  91                 SERVERTEXT="${localstatedir}/netatalk/msg"
  92                 use_pam_so=yes
  93                 AC_DEFINE(FHS_COMPATIBILITY, 1, [Define if you want compatibily with the FHS])
  94                 AC_MSG_RESULT([yes])
  95         else
  96                 AC_MSG_RESULT([no])
  97         fi
  98         ],[
  99                 AC_MSG_RESULT([no])
 100         ]
 101 )])
 102
 103 dnl 64bit platform check
 104 AC_DEFUN([AC_NETATALK_64BIT_LIBS], [
 105 AC_MSG_CHECKING([whether to check for 64bit libraries])
 106 # Test if the compiler is in 64bit mode
 107 echo 'int i;' > conftest.$ac_ext
 108 atalk_cv_cc_64bit_output=no
 109 if AC_TRY_EVAL(ac_compile); then
 110     case `/usr/bin/file conftest.$ac_objext` in
 111     *"ELF 64"*)
 112       atalk_cv_cc_64bit_output=yes
 113       ;;
 114     esac
 115 fi
 116 rm -rf conftest*
 117
 118 case $host_cpu:$atalk_cv_cc_64bit_output in
 119 powerpc64:yes | s390x:yes | sparc*:yes | x86_64:yes | i386:yes)
 120     case $target_os in
 121     solaris2*)
 122         AC_MSG_RESULT([yes])
 123         atalk_libname="lib/64"
 124         ;;
 125     *bsd* | dragonfly*)
 126         AC_MSG_RESULT([no])
 127         atalk_libname="lib"
 128         ;;
 129     *)
 130         AC_MSG_RESULT([yes])
 131         atalk_libname="lib64"
 132         ;;
 133     esac
 134     ;;
 135 *:*)
 136     AC_MSG_RESULT([no])
 137     atalk_libname="lib"
 138     ;;
 139 esac
 140 ])
 141
 142 dnl Check for optional admin group support
 143 AC_DEFUN([AC_NETATALK_ADMIN_GROUP], [
 144     netatalk_cv_admin_group=yes
 145     AC_MSG_CHECKING([for administrative group support])
 146     AC_ARG_ENABLE(admin-group,
 147             [  --disable-admin-group   disable admin group],[
 148             if test x"$enableval" = x"no"; then
 149                          AC_DEFINE(ADMIN_GRP, 0, [Define if the admin group should be enabled])
 150                          netatalk_cv_admin_group=no
 151                          AC_MSG_RESULT([no])
 152                 else
 153                          AC_DEFINE(ADMIN_GRP, 1, [Define if the admin group should be enabled])
 154                          AC_MSG_RESULT([yes])
 155             fi],[
 156                 AC_DEFINE(ADMIN_GRP, 1, [Define if the admin group should be enabled])
 157                 AC_MSG_RESULT([yes])
 158         ])
 159 ])
 160
 161 dnl Check for optional cracklib support
 162 AC_DEFUN([AC_NETATALK_CRACKLIB], [
 163 netatalk_cv_with_cracklib=no
 164 AC_ARG_WITH(cracklib,
 165         [  --with-cracklib[[=DICT]]  enable/set location of cracklib dictionary [[no]]],[
 166         if test "x$withval" != "xno" ; then
 167                 cracklib="$withval"
 168                 AC_CHECK_LIB(crack, main, [
 169                         AC_DEFINE(USE_CRACKLIB, 1, [Define if cracklib should be used])
 170                         LIBS="$LIBS -lcrack"
 171                         if test "$cracklib" = "yes"; then
 172                                 cracklib="/usr/$atalk_libname/cracklib_dict"
 173                         fi
 174                         AC_DEFINE_UNQUOTED(_PATH_CRACKLIB, "$cracklib",
 175                                 [path to cracklib dictionary])
 176                         AC_MSG_RESULT([setting cracklib dictionary to $cracklib])
 177                         netatalk_cv_with_cracklib=yes
 178                         ],[
 179                         AC_MSG_ERROR([cracklib not found!])
 180                         ]
 181                 )
 182         fi
 183         ]
 184 )
 185 AC_MSG_CHECKING([for cracklib support])
 186 AC_MSG_RESULT([$netatalk_cv_with_cracklib])
 187 ])
 188
 189 dnl Check whether to enable debug code
 190 AC_DEFUN([AC_NETATALK_DEBUG], [
 191 AC_MSG_CHECKING([whether to enable verbose debug code])
 192 AC_ARG_ENABLE(debug,
 193         [  --enable-debug          enable verbose debug code],[
 194         if test "$enableval" != "no"; then
 195                 if test "$enableval" = "yes"; then
 196                         AC_DEFINE(DEBUG, 1, [Define if verbose debugging information should be included])
 197                 else
 198                         AC_DEFINE_UNQUOTED(DEBUG, $enableval, [Define if verbose debugging information should be included])
 199                 fi
 200                 AC_MSG_RESULT([yes])
 201         else
 202                 AC_MSG_RESULT([no])
 203         AC_DEFINE(NDEBUG, 1, [Disable assertions])
 204         fi
 205         ],[
 206                 AC_MSG_RESULT([no])
 207         AC_DEFINE(NDEBUG, 1, [Disable assertions])
 208         ]
 209 )
 210 ])
 211
 212 dnl Check whethe to disable tickle SIGALARM stuff, which eases debugging
 213 AC_DEFUN([AC_NETATALK_DEBUGGING], [
 214 AC_MSG_CHECKING([whether to enable debugging with debuggers])
 215 AC_ARG_ENABLE(debugging,
 216         [  --enable-debugging      disable SIGALRM timers and DSI tickles (eg for debugging with gdb/dbx/...)],[
 217         if test "$enableval" != "no"; then
 218                 if test "$enableval" = "yes"; then
 219                         AC_DEFINE(DEBUGGING, 1, [Define if you want to disable SIGALRM timers and DSI tickles])
 220                 else
 221                         AC_DEFINE_UNQUOTED(DEBUGGING, $enableval, [Define if you want to disable SIGALRM timers and DSI tickles])
 222                 fi
 223                 AC_MSG_RESULT([yes])
 224         else
 225                 AC_MSG_RESULT([no])
 226         fi
 227         ],[
 228                 AC_MSG_RESULT([no])
 229         ]
 230 )
 231
 232 ])
 233
 234 dnl Check for optional shadow password support
 235 AC_DEFUN([AC_NETATALK_SHADOW], [
 236 netatalk_cv_use_shadowpw=no
 237 AC_ARG_WITH(shadow,
 238         [  --with-shadow           enable shadow password support [[auto]]],
 239         [netatalk_cv_use_shadowpw="$withval"],
 240         [netatalk_cv_use_shadowpw=auto]
 241 )
 242
 243 if test "x$netatalk_cv_use_shadowpw" != "xno"; then
 244     AC_CHECK_HEADER([shadow.h])
 245     if test x"$ac_cv_header_shadow_h" = x"yes"; then
 246         netatalk_cv_use_shadowpw=yes
 247         AC_DEFINE(SHADOWPW, 1, [Define if shadow passwords should be used])
 248     else
 249       if test "x$shadowpw" = "xyes"; then
 250         AC_MSG_ERROR([shadow support not available])
 251       else
 252         netatalk_cv_use_shadowpw=no
 253       fi
 254     fi
 255 fi
 256
 257 AC_MSG_CHECKING([whether shadow support should be enabled])
 258 if test "x$netatalk_cv_use_shadowpw" = "xyes"; then
 259         AC_MSG_RESULT([yes])
 260 else
 261         AC_MSG_RESULT([no])
 262 fi
 263 ])
 264
 265 dnl Check for optional valid-shell-check support
 266 AC_DEFUN([AC_NETATALK_SHELL_CHECK], [
 267 netatalk_cv_use_shellcheck=yes
 268 AC_MSG_CHECKING([whether checking for a valid shell should be enabled])
 269 AC_ARG_ENABLE(shell-check,
 270         [  --disable-shell-check   disable checking for a valid shell],[
 271         if test "$enableval" = "no"; then
 272                 AC_DEFINE(DISABLE_SHELLCHECK, 1, [Define if shell check should be disabled])
 273                 AC_MSG_RESULT([no])
 274                 netatalk_cv_use_shellcheck=no
 275         else
 276                 AC_MSG_RESULT([yes])
 277         fi
 278         ],[
 279                 AC_MSG_RESULT([yes])
 280         ]
 281 )
 282 ])
 283
 284 dnl Check for optional sysv initscript install
 285 AC_DEFUN([AC_NETATALK_INIT_STYLE], [
 286     AC_ARG_WITH(init-style,
 287                 [  --with-init-style       use OS specific init config [[redhat-sysv|redhat-systemd|suse-sysv|suse-systemd|gentoo|netbsd|debian|solaris|systemd]]],
 288                 init_style="$withval", init_style=none
 289     )
 290     case "$init_style" in
 291     "redhat")
 292             AC_MSG_ERROR([--with-init-style=redhat is obsoleted. Use redhat-sysv or redhat-systemd.])
 293         ;;
 294     "redhat-sysv")
 295             AC_MSG_RESULT([enabling redhat-style sysv initscript support])
 296             ;;
 297     "redhat-systemd")
 298             AC_MSG_RESULT([enabling redhat-style systemd support])
 299             ;;
 300     "suse")
 301             AC_MSG_ERROR([--with-init-style=suse is obsoleted. Use suse-sysv or suse-systemd.])
 302         ;;
 303     "suse-sysv")
 304             AC_MSG_RESULT([enabling suse-style sysv initscript support])
 305             ;;
 306     "suse-systemd")
 307             AC_MSG_RESULT([enabling suse-style systemd support (>=openSUSE12.1)])
 308             ;;
 309     "gentoo")
 310             AC_MSG_RESULT([enabling gentoo-style initscript support])
 311         ;;
 312     "netbsd")
 313             AC_MSG_RESULT([enabling netbsd-style initscript support])
 314         ;;
 315     "debian")
 316             AC_MSG_RESULT([enabling debian-style initscript support])
 317         ;;
 318     "solaris")
 319             AC_MSG_RESULT([enabling solaris-style SMF support])
 320         ;;
 321     "systemd")
 322             AC_MSG_RESULT([enabling general systemd support])
 323         ;;
 324     "none")
 325             AC_MSG_RESULT([disabling init-style support])
 326         ;;
 327     *)
 328             AC_MSG_ERROR([illegal init-style])
 329         ;;
 330     esac
 331     AM_CONDITIONAL(USE_NETBSD, test x$init_style = xnetbsd)
 332     AM_CONDITIONAL(USE_REDHAT_SYSV, test x$init_style = xredhat-sysv)
 333     AM_CONDITIONAL(USE_SUSE_SYSV, test x$init_style = xsuse-sysv)
 334     AM_CONDITIONAL(USE_SOLARIS, test x$init_style = xsolaris)
 335     AM_CONDITIONAL(USE_GENTOO, test x$init_style = xgentoo)
 336     AM_CONDITIONAL(USE_DEBIAN, test x$init_style = xdebian)
 337     AM_CONDITIONAL(USE_SYSTEMD, test x$init_style = xsystemd || test x$init_style = xredhat-systemd || test x$init_style = xsuse-systemd)
 338     AM_CONDITIONAL(USE_UNDEF, test x$init_style = xnone)
 339
 340 ])
 341
 342 dnl OS specific configuration
 343 AC_DEFUN([AC_NETATALK_OS_SPECIFIC], [
 344 case "$host_os" in
 345         *aix*)                          this_os=aix ;;
 346         *freebsd*)                      this_os=freebsd ;;
 347         *hpux11*)                       this_os=hpux11 ;;
 348         *irix*)                         this_os=irix ;;
 349         *linux*)                        this_os=linux ;;
 350         *osx*)                          this_os=macosx ;;
 351         *darwin*)                       this_os=macosx ;;
 352         *netbsd*)                       this_os=netbsd ;;
 353         *openbsd*)                      this_os=openbsd ;;
 354         *osf*)                          this_os=tru64 ;;
 355         *solaris*)                      this_os=solaris ;;
 356 esac
 357
 358 case "$host_cpu" in
 359         i386|i486|i586|i686|k7)         this_cpu=x86 ;;
 360         alpha)                                          this_cpu=alpha ;;
 361         mips)                                           this_cpu=mips ;;
 362         powerpc|ppc)                            this_cpu=ppc ;;
 363 esac
 364
 365 dnl --------------------- GNU source
 366 case "$this_os" in
 367         linux)  AC_DEFINE(_GNU_SOURCE, 1, [Whether to use GNU libc extensions])
 368         ;;
 369      kfreebsd-gnu) AC_DEFINE(_GNU_SOURCE, 1, [Whether to use GNU libc extensions])
 370         ;;
 371 esac
 372
 373 dnl --------------------- operating system specific flags (port from sys/*)
 374
 375 dnl ----- FreeBSD specific -----
 376 if test x"$this_os" = "xfreebsd"; then
 377         AC_MSG_RESULT([ * FreeBSD specific configuration])
 378         AC_DEFINE(BSD4_4, 1, [BSD compatiblity macro])
 379         AC_DEFINE(FREEBSD, 1, [Define if OS is FreeBSD])
 380     AC_DEFINE(OPEN_NOFOLLOW_ERRNO, EMLINK, errno returned by open with O_NOFOLLOW)
 381 fi
 382
 383 dnl ----- GNU/kFreeBSD specific -----
 384 if test x"$this_os" = "xkfreebsd-gnu"; then
 385         AC_MSG_RESULT([ * GNU/kFreeBSD specific configuration])
 386         AC_DEFINE(BSD4_4, 1, [BSD compatiblity macro])
 387         AC_DEFINE(FREEBSD, 1, [Define if OS is FreeBSD])
 388     AC_DEFINE(OPEN_NOFOLLOW_ERRNO, EMLINK, errno returned by open with O_NOFOLLOW)
 389 fi
 390
 391 dnl ----- Linux specific -----
 392 if test x"$this_os" = "xlinux"; then
 393         AC_MSG_RESULT([ * Linux specific configuration])
 394
 395         dnl ----- check if we need the quotactl wrapper
 396     AC_CHECK_HEADERS(linux/dqblk_xfs.h,,
 397                 [AC_CHECK_HEADERS(linux/xqm.h linux/xfs_fs.h)
 398                 AC_CHECK_HEADERS(xfs/libxfs.h xfs/xqm.h xfs/xfs_fs.h)]
 399         )
 400
 401
 402         dnl ----- as far as I can tell, dbtob always does the wrong thing
 403         dnl ----- on every single version of linux I've ever played with.
 404         dnl ----- see etc/afpd/quota.c
 405         AC_DEFINE(HAVE_BROKEN_DBTOB, 1, [Define if dbtob is broken])
 406
 407         need_dash_r=no
 408 fi
 409
 410 dnl ----- NetBSD specific -----
 411 if test x"$this_os" = "xnetbsd"; then
 412         AC_MSG_RESULT([ * NetBSD specific configuration])
 413         AC_DEFINE(BSD4_4, 1, [BSD compatiblity macro])
 414         AC_DEFINE(NETBSD, 1, [Define if OS is NetBSD])
 415     AC_DEFINE(OPEN_NOFOLLOW_ERRNO, EFTYPE, errno returned by open with O_NOFOLLOW)
 416
 417         CFLAGS="-I\$(top_srcdir)/sys/netbsd $CFLAGS"
 418         need_dash_r=yes
 419
 420         dnl ----- NetBSD does not have crypt.h, uses unistd.h -----
 421         AC_DEFINE(UAM_DHX, 1, [Define if the DHX UAM modules should be compiled])
 422 fi
 423
 424 dnl ----- OpenBSD specific -----
 425 if test x"$this_os" = "xopenbsd"; then
 426         AC_MSG_RESULT([ * OpenBSD specific configuration])
 427     AC_DEFINE(BSD4_4, 1, [BSD compatiblity macro])
 428         dnl ----- OpenBSD does not have crypt.h, uses unistd.h -----
 429         AC_DEFINE(UAM_DHX, 1, [Define if the DHX UAM modules should be compiled])
 430 fi
 431
 432 dnl ----- Solaris specific -----
 433 if test x"$this_os" = "xsolaris"; then
 434         AC_MSG_RESULT([ * Solaris specific configuration])
 435         AC_DEFINE(__svr4__, 1, [Solaris compatibility macro])
 436         AC_DEFINE(_ISOC9X_SOURCE, 1, [Compatibility macro])
 437         AC_DEFINE(NO_STRUCT_TM_GMTOFF, 1, [Define if the gmtoff member of struct tm is not available])
 438         AC_DEFINE(SOLARIS, 1, [Solaris compatibility macro])
 439     AC_DEFINE(_XOPEN_SOURCE, 600, [Solaris compilation environment])
 440     AC_DEFINE(__EXTENSIONS__,  1, [Solaris compilation environment])
 441         CFLAGS="-I\$(top_srcdir)/sys/generic $CFLAGS"
 442         need_dash_r=yes
 443         init_style=solaris
 444
 445         solaris_module=no
 446         AC_MSG_CHECKING([if we can build Solaris kernel module])
 447         if test -x /usr/ccs/bin/ld && test x"$netatalk_cv_ddp_enabled" = x"yes" ; then
 448                 solaris_module=yes
 449         fi
 450         AC_MSG_RESULT([$solaris_module])
 451
 452         COMPILE_64BIT_KMODULE=no
 453         KCFLAGS=""
 454         KLDFLAGS=""
 455         COMPILE_KERNEL_GCC=no
 456
 457         if test "$solaris_module" = "yes"; then
 458            dnl Solaris kernel module stuff
 459            AC_MSG_CHECKING([if we have to build a 64bit kernel module])
 460
 461            # check for isainfo, if not found it has to be a 32 bit kernel (<=2.6)
 462            if test -x /usr/bin/isainfo; then
 463                 # check for 64 bit platform
 464                 if isainfo -kv | grep '^64-bit'; then
 465                         COMPILE_64BIT_KMODULE=yes
 466                 fi
 467            fi
 468
 469            AC_MSG_RESULT([$COMPILE_64BIT_KMODULE])
 470
 471            if test "${GCC}" = yes; then
 472                 COMPILE_KERNEL_GCC=yes
 473                 if test "$COMPILE_64BIT_KMODULE" = yes; then
 474
 475                         AC_MSG_CHECKING([if we can build a 64bit kernel module])
 476
 477                         case `$CC --version 2>/dev/null` in
 478                         [[12]].* | 3.0.*)
 479                                 COMPILE_64BIT_KMODULE=no
 480                                 COMPILE_KERNEL_GCC=no
 481                                 solaris_module=no;;
 482                         *)
 483                                 # use for 64 bit
 484                                 KCFLAGS="-m64"
 485                                 #KLDFLAGS="-melf64_sparc"
 486                                 KLDFLAGS="-64";;
 487                         esac
 488
 489                         AC_MSG_RESULT([$COMPILE_64BIT_KMODULE])
 490
 491                 else
 492                         KCFLAGS=""
 493                         KLDFLAGS=""
 494                 fi
 495                 KCFLAGS="$KCFLAGS -D_KERNEL -Wall -Wstrict-prototypes"
 496            else
 497                 if test "$COMPILE_64BIT_KMODULE" = yes; then
 498                 # use Sun CC (for a 64-bit kernel, uncomment " -xarch=v9 -xregs=no%appl ")
 499                         KCFLAGS="-xarch=v9 -xregs=no%appl"
 500                         KLDFLAGS="-64"
 501                 else
 502                         KCFLAGS=""
 503                         KLDFLAGS=""
 504                 fi
 505                 KCFLAGS="-D_KERNEL $KCFLAGS -mno-app-regs -munaligned-doubles -fpcc-struct-return"
 506            fi
 507
 508            AC_CACHE_CHECK([for timeout_id_t],netatalk_cv_HAVE_TIMEOUT_ID_T,[
 509            AC_LINK_IFELSE([AC_LANG_PROGRAM([[\
 510 #include <sys/stream.h>
 511 #include <sys/ddi.h>]], [[\
 512 timeout_id_t dummy;
 513 ]])],[netatalk_cv_HAVE_TIMEOUT_ID_T=yes],[netatalk_cv_HAVE_TIMEOUT_ID_T=no])])
 514
 515            AC_DEFINE(HAVE_TIMEOUT_ID_T, test x"$netatalk_cv_HAVE_TIMEOUT_ID" = x"yes", [define for timeout_id_t])
 516         fi
 517
 518         AC_SUBST(COMPILE_KERNEL_GCC)
 519         AC_SUBST(COMPILE_64BIT_KMODULE)
 520         AC_SUBST(KCFLAGS)
 521         AC_SUBST(KLDFLAGS)
 522 fi
 523
 524 dnl Whether to run ldconfig after installing libraries
 525 AC_PATH_PROG(NETA_LDCONFIG, ldconfig, , [$PATH$PATH_SEPARATOR/sbin$PATH_SEPARATOR/bin$PATH_SEPARATOR/usr/sbin$PATH_SEPARATOR/usr/bin])
 526 echo NETA_LDCONFIG = $NETA_LDCONFIG
 527 AM_CONDITIONAL(RUN_LDCONFIG, test x"$this_os" = x"linux" -a x"$NETA_LDCONFIG" != x"")
 528 ])
 529
 530 dnl Check for building PGP UAM module
 531 AC_DEFUN([AC_NETATALK_PGP_UAM], [
 532 AC_MSG_CHECKING([whether the PGP UAM should be build])
 533 AC_ARG_ENABLE(pgp-uam,
 534         [  --enable-pgp-uam        enable build of PGP UAM module],[
 535         if test "$enableval" = "yes"; then
 536                 if test "x$neta_cv_have_openssl" = "xyes"; then
 537                         AC_DEFINE(UAM_PGP, 1, [Define if the PGP UAM module should be compiled])
 538                         compile_pgp=yes
 539                         AC_MSG_RESULT([yes])
 540                 else
 541                         AC_MSG_RESULT([no])
 542                 fi
 543         fi
 544         ],[
 545                 AC_MSG_RESULT([no])
 546         ]
 547 )
 548 ])
 549
 550 dnl Check for building Kerberos V UAM module
 551 AC_DEFUN([AC_NETATALK_KRB5_UAM], [
 552 netatalk_cv_build_krb5_uam=no
 553 AC_ARG_ENABLE(krbV-uam,
 554         [  --enable-krbV-uam       enable build of Kerberos V UAM module],
 555         [
 556                 if test x"$enableval" = x"yes"; then
 557                         NETATALK_GSSAPI_CHECK([
 558                                 netatalk_cv_build_krb5_uam=yes
 559                         ],[
 560                                 AC_MSG_ERROR([need GSSAPI to build Kerberos V UAM])
 561                         ])
 562                 fi
 563         ]
 564
 565 )
 566
 567 AC_MSG_CHECKING([whether Kerberos V UAM should be build])
 568 if test x"$netatalk_cv_build_krb5_uam" = x"yes"; then
 569         AC_MSG_RESULT([yes])
 570 else
 571         AC_MSG_RESULT([no])
 572 fi
 573 AM_CONDITIONAL(USE_GSSAPI, test x"$netatalk_cv_build_krb5_uam" = x"yes")
 574 ])
 575
 576 dnl Check if we can directly use Kerberos 5 API, used for reading keytabs
 577 dnl and automatically construction DirectoryService names from that, instead
 578 dnl of requiring special configuration in afp.conf
 579 AC_DEFUN([AC_NETATALK_KERBEROS], [
 580 AC_MSG_CHECKING([for Kerberos 5 (necessary for GetSrvrInfo:DirectoryNames support)])
 581 AC_ARG_WITH([kerberos],
 582     [AS_HELP_STRING([--with-kerberos], [Kerberos 5 support (default=auto)])],
 583     [],
 584     [with_kerberos=auto])
 585 AC_MSG_RESULT($with_kerberos)
 586
 587 if test x"$with_kerberos" != x"no"; then
 588    have_krb5_header="no"
 589    AC_CHECK_HEADERS([krb5/krb5.h krb5.h], [have_krb5_header="yes"; break])
 590    if test x"$have_krb5_header" = x"no" && test x"$with_kerberos" != x"auto"; then
 591       AC_MSG_FAILURE([--with-kerberos was given, but no headers found])
 592    fi
 593
 594    AC_PATH_PROG([KRB5_CONFIG], [krb5-config])
 595    AC_MSG_CHECKING([for krb5-config])
 596    if test -x "$KRB5_CONFIG"; then
 597       AC_MSG_RESULT([$KRB5_CONFIG])
 598       KRB5_CFLAGS="`$KRB5_CONFIG --cflags krb5`"
 599       KRB5_LIBS="`$KRB5_CONFIG --libs krb5`"
 600       AC_SUBST(KRB5_CFLAGS)
 601       AC_SUBST(KRB5_LIBS)
 602       with_kerberos="yes"
 603    else
 604       AC_MSG_RESULT([not found])
 605       if test x"$with_kerberos" != x"auto"; then
 606          AC_MSG_FAILURE([--with-kerberos was given, but krb5-config could not be found])
 607       fi
 608    fi
 609 fi
 610
 611 if test x"$with_kerberos" = x"yes"; then
 612    AC_DEFINE([HAVE_KERBEROS], [1], [Define if Kerberos 5 is available])
 613 fi
 614
 615 dnl Check for krb5_free_unparsed_name and krb5_free_error_message
 616 save_CFLAGS="$CFLAGS"
 617 save_LIBS="$LIBS"
 618 CFLAGS="$KRB5_CFLAGS"
 619 LIBS="$KRB5_LIBS"
 620 AC_CHECK_FUNCS([krb5_free_unparsed_name krb5_free_error_message])
 621 CFLAGS="$save_CFLAGS"
 622 LIBS="$save_LIBS"
 623 ])
 624
 625 dnl Check for overwrite the config files or not
 626 AC_DEFUN([AC_NETATALK_OVERWRITE_CONFIG], [
 627 AC_MSG_CHECKING([whether configuration files should be overwritten])
 628 AC_ARG_ENABLE(overwrite,
 629         [  --enable-overwrite      overwrite configuration files during installation],
 630         [OVERWRITE_CONFIG="${enable_overwrite}"],
 631         [OVERWRITE_CONFIG="no"]
 632 )
 633 AC_MSG_RESULT([$OVERWRITE_CONFIG])
 634 AC_SUBST(OVERWRITE_CONFIG)
 635 ])
 636
 637 dnl Check for LDAP support, for client-side ACL visibility
 638 AC_DEFUN([AC_NETATALK_LDAP], [
 639 AC_MSG_CHECKING(for LDAP (necessary for client-side ACL visibility))
 640 AC_ARG_WITH(ldap,
 641     [AS_HELP_STRING([--with-ldap],
 642         [LDAP support (default=auto)])],
 643         netatalk_cv_ldap=$withval,
 644         netatalk_cv_ldap=auto
 645         )
 646 AC_MSG_RESULT($netatalk_cv_ldap)
 647
 648 save_CFLAGS="$CFLAGS"
 649 save_LDFLAGS="$LDFLAGS"
 650 save_LIBS="$LIBS"
 651 CFLAGS=""
 652 LDFLAGS=""
 653 LIBS=""
 654 LDAP_CFLAGS=""
 655 LDAP_LDFLAGS=""
 656 LDAP_LIBS=""
 657
 658 if test x"$netatalk_cv_ldap" != x"no" ; then
 659    if test x"$netatalk_cv_ldap" != x"yes" -a x"$netatalk_cv_ldap" != x"auto"; then
 660        CFLAGS="-I$netatalk_cv_ldap/include"
 661        LDFLAGS="-L$netatalk_cv_ldap/lib"
 662    fi
 663         AC_CHECK_HEADER([ldap.h], netatalk_cv_ldap=yes,
 664         [ if test x"$netatalk_cv_ldap" = x"yes" ; then
 665             AC_MSG_ERROR([Missing LDAP headers])
 666         fi
 667                 netatalk_cv_ldap=no
 668         ])
 669         AC_CHECK_LIB(ldap, ldap_init, netatalk_cv_ldap=yes,
 670         [ if test x"$netatalk_cv_ldap" = x"yes" ; then
 671             AC_MSG_ERROR([Missing LDAP library])
 672         fi
 673                 netatalk_cv_ldap=no
 674         ])
 675 fi
 676
 677 if test x"$netatalk_cv_ldap" = x"yes"; then
 678     LDAP_CFLAGS="$CFLAGS"
 679     LDAP_LDFLAGS="$LDFLAGS"
 680     LDAP_LIBS="-lldap"
 681         AC_DEFINE(HAVE_LDAP,1,[Whether LDAP is available])
 682 fi
 683
 684 AC_SUBST(LDAP_CFLAGS)
 685 AC_SUBST(LDAP_LDFLAGS)
 686 AC_SUBST(LDAP_LIBS)
 687 CFLAGS="$save_CFLAGS"
 688 LDLFLAGS="$save_LDLFLAGS"
 689 LIBS="$save_LIBS"
 690 ])
 691
 692 dnl Check for ACL support
 693 AC_DEFUN([AC_NETATALK_ACL], [
 694 AC_MSG_CHECKING(whether to support ACLs)
 695 AC_ARG_WITH(acls,
 696     [AS_HELP_STRING([--with-acls],
 697         [Include ACL support (default=auto)])],
 698     [ case "$withval" in
 699       yes|no)
 700           with_acl_support="$withval"
 701                   ;;
 702       *)
 703           with_acl_support=auto
 704           ;;
 705       esac ],
 706     [with_acl_support=auto])
 707 AC_MSG_RESULT($with_acl_support)
 708
 709 if test x"$with_acl_support" = x"no"; then
 710         AC_MSG_RESULT(Disabling ACL support)
 711         AC_DEFINE(HAVE_NO_ACLS,1,[Whether no ACLs support should be built in])
 712 else
 713     with_acl_support=yes
 714 fi
 715
 716 if test x"$with_acl_support" = x"yes" ; then
 717         AC_MSG_NOTICE(checking whether ACL support is available:)
 718         case "$host_os" in
 719         *sysv5*)
 720                 AC_MSG_NOTICE(Using UnixWare ACLs)
 721                 AC_DEFINE(HAVE_UNIXWARE_ACLS,1,[Whether UnixWare ACLs are available])
 722                 ;;
 723         *solaris*)
 724                 AC_MSG_NOTICE(Using solaris ACLs)
 725                 AC_DEFINE(HAVE_SOLARIS_ACLS,1,[Whether solaris ACLs are available])
 726                 ACL_LIBS="$ACL_LIBS -lsec"
 727                 ;;
 728         *hpux*)
 729                 AC_MSG_NOTICE(Using HPUX ACLs)
 730                 AC_DEFINE(HAVE_HPUX_ACLS,1,[Whether HPUX ACLs are available])
 731                 ;;
 732         *irix*)
 733                 AC_MSG_NOTICE(Using IRIX ACLs)
 734                 AC_DEFINE(HAVE_IRIX_ACLS,1,[Whether IRIX ACLs are available])
 735                 ;;
 736         *aix*)
 737                 AC_MSG_NOTICE(Using AIX ACLs)
 738                 AC_DEFINE(HAVE_AIX_ACLS,1,[Whether AIX ACLs are available])
 739                 ;;
 740         *osf*)
 741                 AC_MSG_NOTICE(Using Tru64 ACLs)
 742                 AC_DEFINE(HAVE_TRU64_ACLS,1,[Whether Tru64 ACLs are available])
 743                 ACL_LIBS="$ACL_LIBS -lpacl"
 744                 ;;
 745         *darwin*)
 746                 AC_MSG_NOTICE(ACLs on Darwin currently not supported)
 747                 AC_DEFINE(HAVE_NO_ACLS,1,[Whether no ACLs support is available])
 748                 ;;
 749         *)
 750                 AC_CHECK_LIB(acl,acl_get_file,[ACL_LIBS="$ACL_LIBS -lacl"])
 751                 case "$host_os" in
 752                 *linux*)
 753                         AC_CHECK_LIB(attr,getxattr,[ACL_LIBS="$ACL_LIBS -lattr"])
 754                         ;;
 755                 esac
 756                 AC_CACHE_CHECK([for POSIX ACL support],netatalk_cv_HAVE_POSIX_ACLS,[
 757                         acl_LIBS=$LIBS
 758                         LIBS="$LIBS $ACL_LIBS"
 759                         AC_LINK_IFELSE([AC_LANG_PROGRAM([[
 760                                 #include <sys/types.h>
 761                                 #include <sys/acl.h>
 762                         ]], [[
 763                                 acl_t acl;
 764                                 int entry_id;
 765                                 acl_entry_t *entry_p;
 766                                 return acl_get_entry(acl, entry_id, entry_p);
 767                         ]])],[netatalk_cv_HAVE_POSIX_ACLS=yes],[netatalk_cv_HAVE_POSIX_ACLS=no
 768                 with_acl_support=no])
 769                         LIBS=$acl_LIBS
 770                 ])
 771                 if test x"$netatalk_cv_HAVE_POSIX_ACLS" = x"yes"; then
 772                         AC_MSG_NOTICE(Using POSIX ACLs)
 773                         AC_DEFINE(HAVE_POSIX_ACLS,1,[Whether POSIX ACLs are available])
 774                         AC_CACHE_CHECK([for acl_get_perm_np],netatalk_cv_HAVE_ACL_GET_PERM_NP,[
 775                                 acl_LIBS=$LIBS
 776                                 LIBS="$LIBS $ACL_LIBS"
 777                                 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
 778                                         #include <sys/types.h>
 779                                         #include <sys/acl.h>
 780                                 ]], [[
 781                                         acl_permset_t permset_d;
 782                                         acl_perm_t perm;
 783                                         return acl_get_perm_np(permset_d, perm);
 784                                 ]])],[netatalk_cv_HAVE_ACL_GET_PERM_NP=yes],[netatalk_cv_HAVE_ACL_GET_PERM_NP=no])
 785                                 LIBS=$acl_LIBS
 786                         ])
 787                         if test x"$netatalk_cv_HAVE_ACL_GET_PERM_NP" = x"yes"; then
 788                                 AC_DEFINE(HAVE_ACL_GET_PERM_NP,1,[Whether acl_get_perm_np() is available])
 789                         fi
 790
 791
 792                        AC_CACHE_CHECK([for acl_from_mode], netatalk_cv_HAVE_ACL_FROM_MODE,[
 793                                acl_LIBS=$LIBS
 794                                LIBS="$LIBS $ACL_LIBS"
 795                 AC_CHECK_FUNCS(acl_from_mode,
 796                                [netatalk_cv_HAVE_ACL_FROM_MODE=yes],
 797                                [netatalk_cv_HAVE_ACL_FROM_MODE=no])
 798                                LIBS=$acl_LIBS
 799                        ])
 800                        if test x"netatalk_cv_HAVE_ACL_FROM_MODE" = x"yes"; then
 801                                AC_DEFINE(HAVE_ACL_FROM_MODE,1,[Whether acl_from_mode() is available])
 802                        fi
 803
 804                 else
 805                         AC_MSG_NOTICE(ACL support is not avaliable)
 806                         AC_DEFINE(HAVE_NO_ACLS,1,[Whether no ACLs support is available])
 807                 fi
 808                 ;;
 809     esac
 810 fi
 811
 812 if test x"$with_acl_support" = x"yes" ; then
 813    AC_CHECK_HEADERS([acl/libacl.h])
 814     AC_DEFINE(HAVE_ACLS,1,[Whether ACLs support is available])
 815     AC_SUBST(ACL_LIBS)
 816 fi
 817 ])
 818
 819 dnl Check for Extended Attributes support
 820 AC_DEFUN([AC_NETATALK_EXTENDED_ATTRIBUTES], [
 821 neta_cv_eas="ad"
 822 neta_cv_eas_sys_found=no
 823 neta_cv_eas_sys_not_found=no
 824
 825 AC_CHECK_HEADERS(sys/attributes.h attr/xattr.h sys/xattr.h sys/extattr.h sys/uio.h sys/ea.h)
 826
 827 case "$this_os" in
 828
 829   *osf*)
 830         AC_SEARCH_LIBS(getproplist, [proplist])
 831         AC_CHECK_FUNCS([getproplist fgetproplist setproplist fsetproplist],
 832                    [neta_cv_eas_sys_found=yes],
 833                    [neta_cv_eas_sys_not_found=yes])
 834         AC_CHECK_FUNCS([delproplist fdelproplist add_proplist_entry get_proplist_entry],,
 835                    [neta_cv_eas_sys_not_found=yes])
 836         AC_CHECK_FUNCS([sizeof_proplist_entry],,
 837                    [neta_cv_eas_sys_not_found=yes])
 838   ;;
 839
 840   *solaris*)
 841         AC_CHECK_FUNCS([attropen],
 842                    [neta_cv_eas_sys_found=yes; AC_DEFINE(HAVE_EAFD, 1, [extattr API has full fledged fds for EAs])],
 843                    [neta_cv_eas_sys_not_found=yes])
 844   ;;
 845
 846   'freebsd')
 847     AC_CHECK_FUNCS([extattr_delete_fd extattr_delete_file extattr_delete_link],
 848                    [neta_cv_eas_sys_found=yes],
 849                    [neta_cv_eas_sys_not_found=yes])
 850     AC_CHECK_FUNCS([extattr_get_fd extattr_get_file extattr_get_link],,
 851                    [neta_cv_eas_sys_not_found=yes])
 852     AC_CHECK_FUNCS([extattr_list_fd extattr_list_file extattr_list_link],,
 853                    [neta_cv_eas_sys_not_found=yes])
 854     AC_CHECK_FUNCS([extattr_set_fd extattr_set_file extattr_set_link],,
 855                    [neta_cv_eas_sys_not_found=yes])
 856   ;;
 857
 858   *freebsd4* | *dragonfly* )
 859     AC_DEFINE(BROKEN_EXTATTR, 1, [Does extattr API work])
 860   ;;
 861
 862   *)
 863         AC_SEARCH_LIBS(getxattr, [attr])
 864
 865     if test "x$neta_cv_eas_sys_found" != "xyes" ; then
 866        AC_CHECK_FUNCS([getxattr lgetxattr fgetxattr listxattr llistxattr],
 867                       [neta_cv_eas_sys_found=yes],
 868                       [neta_cv_eas_sys_not_found=yes])
 869            AC_CHECK_FUNCS([flistxattr removexattr lremovexattr fremovexattr],,
 870                       [neta_cv_eas_sys_not_found=yes])
 871            AC_CHECK_FUNCS([setxattr lsetxattr fsetxattr],,
 872                       [neta_cv_eas_sys_not_found=yes])
 873     fi
 874
 875     if test "x$neta_cv_eas_sys_found" != "xyes" ; then
 876            AC_CHECK_FUNCS([getea fgetea lgetea listea flistea llistea],
 877                       [neta_cv_eas_sys_found=yes],
 878                       [neta_cv_eas_sys_not_found=yes])
 879            AC_CHECK_FUNCS([removeea fremoveea lremoveea setea fsetea lsetea],,
 880                       [neta_cv_eas_sys_not_found=yes])
 881     fi
 882
 883     if test "x$neta_cv_eas_sys_found" != "xyes" ; then
 884            AC_CHECK_FUNCS([attr_get attr_list attr_set attr_remove],,
 885                       [neta_cv_eas_sys_not_found=yes])
 886        AC_CHECK_FUNCS([attr_getf attr_listf attr_setf attr_removef],,
 887                       [neta_cv_eas_sys_not_found=yes])
 888     fi
 889   ;;
 890 esac
 891
 892 # Do xattr functions take additional options like on Darwin?
 893 if test x"$ac_cv_func_getxattr" = x"yes" ; then
 894         AC_CACHE_CHECK([whether xattr interface takes additional options], smb_attr_cv_xattr_add_opt, [
 895                 old_LIBS=$LIBS
 896                 LIBS="$LIBS $ACL_LIBS"
 897                 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
 898                         #include <sys/types.h>
 899                         #if HAVE_ATTR_XATTR_H
 900                         #include <attr/xattr.h>
 901                         #elif HAVE_SYS_XATTR_H
 902                         #include <sys/xattr.h>
 903                         #endif
 904                 ]], [[
 905                         getxattr(0, 0, 0, 0, 0, 0);
 906                 ]])],[smb_attr_cv_xattr_add_opt=yes],[smb_attr_cv_xattr_add_opt=no;LIBS=$old_LIBS])
 907         ])
 908         if test x"$smb_attr_cv_xattr_add_opt" = x"yes"; then
 909                 AC_DEFINE(XATTR_ADD_OPT, 1, [xattr functions have additional options])
 910         fi
 911 fi
 912
 913 if test "x$neta_cv_eas_sys_found" = "xyes" ; then
 914    if test "x$neta_cv_eas_sys_not_found" != "xyes" ; then
 915       neta_cv_eas="$neta_cv_eas | sys"
 916    fi
 917 fi
 918 AC_DEFINE_UNQUOTED(EA_MODULES,["$neta_cv_eas"],[Available Extended Attributes modules])
 919 ])
 920
 921 dnl Check for libsmbsharemodes from Samba for Samba/Netatalk access/deny/share modes interop
 922 dnl Defines "neta_cv_have_smbshmd" to "yes" or "no"
 923 dnl AC_SUBST's "SMB_SHAREMODES_CFLAGS" and "SMB_SHAREMODES_LDFLAGS"
 924 dnl AM_CONDITIONAL's "USE_SMB_SHAREMODES"
 925 AC_DEFUN([AC_NETATALK_SMB_SHAREMODES], [
 926     neta_cv_have_smbshmd=no
 927     AC_ARG_WITH(smbsharemodes-lib,
 928                 [  --with-smbsharemodes-lib=PATH        PATH to libsmbsharemodes lib from Samba],
 929                 [SMB_SHAREMODES_LDFLAGS="-L$withval -lsmbsharemodes"]
 930     )
 931     AC_ARG_WITH(smbsharemodes-include,
 932                 [  --with-smbsharemodes-include=PATH    PATH to libsmbsharemodes header from Samba],
 933                 [SMB_SHAREMODES_CFLAGS="-I$withval"]
 934     )
 935     AC_ARG_WITH(smbsharemodes,
 936                 [AS_HELP_STRING([--with-smbsharemodes],[Samba interop (default is yes)])],
 937                 [use_smbsharemodes=$withval],
 938                 [use_smbsharemodes=yes]
 939     )
 940
 941     if test x"$use_smbsharemodes" = x"yes" ; then
 942         AC_MSG_CHECKING([whether to enable Samba/Netatalk access/deny/share-modes interop])
 943
 944         saved_CFLAGS="$CFLAGS"
 945         saved_LDFLAGS="$LDFLAGS"
 946         CFLAGS="$SMB_SHAREMODES_CFLAGS $CFLAGS"
 947         LDFLAGS="$SMB_SHAREMODES_LDFLAGS $LDFLAGS"
 948
 949         AC_LINK_IFELSE(
 950             [#include <unistd.h>
 951              #include <stdio.h>
 952              #include <sys/time.h>
 953              #include <time.h>
 954              #include <stdint.h>
 955              /* From messages.h */
 956              struct server_id {
 957                  pid_t pid;
 958              };
 959              #include "smb_share_modes.h"
 960              int main(void) { (void)smb_share_mode_db_open(""); return 0;}],
 961             [neta_cv_have_smbshmd=yes]
 962         )
 963
 964         AC_MSG_RESULT($neta_cv_have_smbshmd)
 965         AC_SUBST(SMB_SHAREMODES_CFLAGS, [$SMB_SHAREMODES_CFLAGS])
 966         AC_SUBST(SMB_SHAREMODES_LDFLAGS, [$SMB_SHAREMODES_LDFLAGS])
 967         CFLAGS="$saved_CFLAGS"
 968         LDFLAGS="$saved_LDFLAGS"
 969     fi
 970
 971     AM_CONDITIONAL(USE_SMB_SHAREMODES, test x"$neta_cv_have_smbshmd" = x"yes")
 972 ])
 973
 974 dnl ------ Check for sendfile() --------
 975 AC_DEFUN([AC_NETATALK_SENDFILE], [
 976 netatalk_cv_search_sendfile=yes
 977 AC_ARG_ENABLE(sendfile,
 978     [  --disable-sendfile       disable sendfile syscall],
 979     [if test x"$enableval" = x"no"; then
 980             netatalk_cv_search_sendfile=no
 981         fi]
 982 )
 983
 984 if test x"$netatalk_cv_search_sendfile" = x"yes"; then
 985    case "$host_os" in
 986    *linux*)
 987         AC_DEFINE(SENDFILE_FLAVOR_LINUX,1,[Whether linux sendfile() API is available])
 988         AC_CHECK_FUNC([sendfile], [netatalk_cv_HAVE_SENDFILE=yes])
 989         ;;
 990
 991     *solaris*)
 992         AC_DEFINE(SENDFILE_FLAVOR_SOLARIS, 1, [Solaris sendfile()])
 993         AC_SEARCH_LIBS(sendfile, sendfile)
 994         AC_CHECK_FUNC([sendfile], [netatalk_cv_HAVE_SENDFILE=yes])
 995         AC_CHECK_FUNCS([sendfilev])
 996         ;;
 997
 998     *freebsd*)
 999         AC_DEFINE(SENDFILE_FLAVOR_BSD, 1, [Define if the sendfile() function uses BSD semantics])
1000         AC_CHECK_FUNC([sendfile], [netatalk_cv_HAVE_SENDFILE=yes])
1001         ;;
1002
1003     *)
1004         ;;
1005
1006     esac
1007
1008     if test x"$netatalk_cv_HAVE_SENDFILE" = x"yes"; then
1009         AC_DEFINE(WITH_SENDFILE,1,[Whether sendfile() should be used])
1010     fi
1011 fi
1012 ])
1013
1014 dnl --------------------- Check if realpath() takes NULL
1015 AC_DEFUN([AC_NETATALK_REALPATH], [
1016 AC_CACHE_CHECK([if the realpath function allows a NULL argument],
1017     neta_cv_REALPATH_TAKES_NULL, [
1018         AC_RUN_IFELSE([AC_LANG_SOURCE([[
1019             #include <stdio.h>
1020             #include <limits.h>
1021             #include <signal.h>
1022
1023             void exit_on_core(int ignored) {
1024                  exit(1);
1025             }
1026
1027             main() {
1028                 char *newpath;
1029                 signal(SIGSEGV, exit_on_core);
1030                 newpath = realpath("/tmp", NULL);
1031                 exit((newpath != NULL) ? 0 : 1);
1032             }]])],[neta_cv_REALPATH_TAKES_NULL=yes],[neta_cv_REALPATH_TAKES_NULL=no],[neta_cv_REALPATH_TAKES_NULL=cross
1033         ])
1034     ]
1035 )
1036
1037 if test x"$neta_cv_REALPATH_TAKES_NULL" = x"yes"; then
1038     AC_DEFINE(REALPATH_TAKES_NULL,1,[Whether the realpath function allows NULL])
1039 fi
1040 ])