config/zfs-build.m4

   1 AC_DEFUN([ZFS_AC_LICENSE], [
   2         AC_MSG_CHECKING([zfs author])
   3         AC_MSG_RESULT([$ZFS_META_AUTHOR])
   4
   5         AC_MSG_CHECKING([zfs license])
   6         AC_MSG_RESULT([$ZFS_META_LICENSE])
   7 ])
   8
   9 AC_DEFUN([ZFS_AC_DEBUG_ENABLE], [
  10         DEBUG_CFLAGS="-Werror"
  11         DEBUG_CPPFLAGS="-DDEBUG -UNDEBUG"
  12         DEBUG_LDFLAGS=""
  13         DEBUG_ZFS="_with_debug"
  14         AC_DEFINE(ZFS_DEBUG, 1, [zfs debugging enabled])
  15
  16         KERNEL_DEBUG_CFLAGS="-Werror"
  17         KERNEL_DEBUG_CPPFLAGS="-DDEBUG -UNDEBUG"
  18 ])
  19
  20 AC_DEFUN([ZFS_AC_DEBUG_DISABLE], [
  21         DEBUG_CFLAGS=""
  22         DEBUG_CPPFLAGS="-UDEBUG -DNDEBUG"
  23         DEBUG_LDFLAGS=""
  24         DEBUG_ZFS="_without_debug"
  25
  26         KERNEL_DEBUG_CFLAGS=""
  27         KERNEL_DEBUG_CPPFLAGS="-UDEBUG -DNDEBUG"
  28 ])
  29
  30 dnl #
  31 dnl # When debugging is enabled:
  32 dnl # - Enable all ASSERTs (-DDEBUG)
  33 dnl # - Promote all compiler warnings to errors (-Werror)
  34 dnl #
  35 AC_DEFUN([ZFS_AC_DEBUG], [
  36         AC_MSG_CHECKING([whether assertion support will be enabled])
  37         AC_ARG_ENABLE([debug],
  38                 [AS_HELP_STRING([--enable-debug],
  39                 [Enable compiler and code assertions @<:@default=no@:>@])],
  40                 [],
  41                 [enable_debug=no])
  42
  43         AS_CASE(["x$enable_debug"],
  44                 ["xyes"],
  45                 [ZFS_AC_DEBUG_ENABLE],
  46                 ["xno"],
  47                 [ZFS_AC_DEBUG_DISABLE],
  48                 [AC_MSG_ERROR([Unknown option $enable_debug])])
  49
  50         AC_SUBST(DEBUG_CFLAGS)
  51         AC_SUBST(DEBUG_CPPFLAGS)
  52         AC_SUBST(DEBUG_LDFLAGS)
  53         AC_SUBST(DEBUG_ZFS)
  54
  55         AC_SUBST(KERNEL_DEBUG_CFLAGS)
  56         AC_SUBST(KERNEL_DEBUG_CPPFLAGS)
  57
  58         AC_MSG_RESULT([$enable_debug])
  59 ])
  60
  61 AC_DEFUN([ZFS_AC_DEBUGINFO_ENABLE], [
  62         DEBUG_CFLAGS="$DEBUG_CFLAGS -g -fno-inline"
  63
  64         KERNEL_DEBUG_CFLAGS="$KERNEL_DEBUG_CFLAGS -fno-inline"
  65         KERNEL_MAKE="$KERNEL_MAKE CONFIG_DEBUG_INFO=y"
  66
  67         DEBUGINFO_ZFS="_with_debuginfo"
  68 ])
  69
  70 AC_DEFUN([ZFS_AC_DEBUGINFO_DISABLE], [
  71         DEBUGINFO_ZFS="_without_debuginfo"
  72 ])
  73
  74 AC_DEFUN([ZFS_AC_DEBUGINFO], [
  75         AC_MSG_CHECKING([whether debuginfo support will be forced])
  76         AC_ARG_ENABLE([debuginfo],
  77                 [AS_HELP_STRING([--enable-debuginfo],
  78                 [Force generation of debuginfo @<:@default=no@:>@])],
  79                 [],
  80                 [enable_debuginfo=no])
  81
  82         AS_CASE(["x$enable_debuginfo"],
  83                 ["xyes"],
  84                 [ZFS_AC_DEBUGINFO_ENABLE],
  85                 ["xno"],
  86                 [ZFS_AC_DEBUGINFO_DISABLE],
  87                 [AC_MSG_ERROR([Unknown option $enable_debuginfo])])
  88
  89         AC_SUBST(DEBUG_CFLAGS)
  90         AC_SUBST(DEBUGINFO_ZFS)
  91
  92         AC_SUBST(KERNEL_DEBUG_CFLAGS)
  93         AC_SUBST(KERNEL_MAKE)
  94
  95         AC_MSG_RESULT([$enable_debuginfo])
  96 ])
  97
  98 dnl #
  99 dnl # Disabled by default, provides basic memory tracking.  Track the total
 100 dnl # number of bytes allocated with kmem_alloc() and freed with kmem_free().
 101 dnl # Then at module unload time if any bytes were leaked it will be reported
 102 dnl # on the console.
 103 dnl #
 104 AC_DEFUN([ZFS_AC_DEBUG_KMEM], [
 105         AC_MSG_CHECKING([whether basic kmem accounting is enabled])
 106         AC_ARG_ENABLE([debug-kmem],
 107                 [AS_HELP_STRING([--enable-debug-kmem],
 108                 [Enable basic kmem accounting @<:@default=no@:>@])],
 109                 [],
 110                 [enable_debug_kmem=no])
 111
 112         AS_IF([test "x$enable_debug_kmem" = xyes], [
 113                 KERNEL_DEBUG_CPPFLAGS+=" -DDEBUG_KMEM"
 114                 DEBUG_KMEM_ZFS="_with_debug_kmem"
 115         ], [
 116                 DEBUG_KMEM_ZFS="_without_debug_kmem"
 117         ])
 118
 119         AC_SUBST(KERNEL_DEBUG_CPPFLAGS)
 120         AC_SUBST(DEBUG_KMEM_ZFS)
 121
 122         AC_MSG_RESULT([$enable_debug_kmem])
 123 ])
 124
 125 dnl #
 126 dnl # Disabled by default, provides detailed memory tracking.  This feature
 127 dnl # also requires --enable-debug-kmem to be set.  When enabled not only will
 128 dnl # total bytes be tracked but also the location of every kmem_alloc() and
 129 dnl # kmem_free().  When the module is unloaded a list of all leaked addresses
 130 dnl # and where they were allocated will be dumped to the console.  Enabling
 131 dnl # this feature has a significant impact on performance but it makes finding
 132 dnl # memory leaks straight forward.
 133 dnl #
 134 AC_DEFUN([ZFS_AC_DEBUG_KMEM_TRACKING], [
 135         AC_MSG_CHECKING([whether detailed kmem tracking is enabled])
 136         AC_ARG_ENABLE([debug-kmem-tracking],
 137                 [AS_HELP_STRING([--enable-debug-kmem-tracking],
 138                 [Enable detailed kmem tracking  @<:@default=no@:>@])],
 139                 [],
 140                 [enable_debug_kmem_tracking=no])
 141
 142         AS_IF([test "x$enable_debug_kmem_tracking" = xyes], [
 143                 KERNEL_DEBUG_CPPFLAGS+=" -DDEBUG_KMEM_TRACKING"
 144                 DEBUG_KMEM_TRACKING_ZFS="_with_debug_kmem_tracking"
 145         ], [
 146                 DEBUG_KMEM_TRACKING_ZFS="_without_debug_kmem_tracking"
 147         ])
 148
 149         AC_SUBST(KERNEL_DEBUG_CPPFLAGS)
 150         AC_SUBST(DEBUG_KMEM_TRACKING_ZFS)
 151
 152         AC_MSG_RESULT([$enable_debug_kmem_tracking])
 153 ])
 154
 155 AC_DEFUN([ZFS_AC_CONFIG_ALWAYS], [
 156         ZFS_AC_CONFIG_ALWAYS_CC_NO_UNUSED_BUT_SET_VARIABLE
 157         ZFS_AC_CONFIG_ALWAYS_CC_NO_BOOL_COMPARE
 158         ZFS_AC_CONFIG_ALWAYS_CC_FRAME_LARGER_THAN
 159         ZFS_AC_CONFIG_ALWAYS_CC_NO_FORMAT_TRUNCATION
 160         ZFS_AC_CONFIG_ALWAYS_CC_NO_OMIT_FRAME_POINTER
 161         ZFS_AC_CONFIG_ALWAYS_CC_ASAN
 162         ZFS_AC_CONFIG_ALWAYS_TOOLCHAIN_SIMD
 163         ZFS_AC_CONFIG_ALWAYS_ARCH
 164         ZFS_AC_CONFIG_ALWAYS_PYTHON
 165         ZFS_AC_CONFIG_ALWAYS_PYZFS
 166 ])
 167
 168 AC_DEFUN([ZFS_AC_CONFIG], [
 169         ZFS_CONFIG=all
 170         AC_ARG_WITH([config],
 171                 AS_HELP_STRING([--with-config=CONFIG],
 172                 [Config file 'kernel|user|all|srpm']),
 173                 [ZFS_CONFIG="$withval"])
 174         AC_ARG_ENABLE([linux-builtin],
 175                 [AC_HELP_STRING([--enable-linux-builtin],
 176                 [Configure for builtin in-tree kernel modules @<:@default=no@:>@])],
 177                 [],
 178                 [enable_linux_builtin=no])
 179
 180         AC_MSG_CHECKING([zfs config])
 181         AC_MSG_RESULT([$ZFS_CONFIG]);
 182         AC_SUBST(ZFS_CONFIG)
 183
 184         ZFS_AC_CONFIG_ALWAYS
 185
 186         case "$ZFS_CONFIG" in
 187                 kernel) ZFS_AC_CONFIG_KERNEL ;;
 188                 user)   ZFS_AC_CONFIG_USER   ;;
 189                 all)    ZFS_AC_CONFIG_USER
 190                         ZFS_AC_CONFIG_KERNEL ;;
 191                 srpm)                        ;;
 192                 *)
 193                 AC_MSG_RESULT([Error!])
 194                 AC_MSG_ERROR([Bad value "$ZFS_CONFIG" for --with-config,
 195                               user kernel|user|all|srpm]) ;;
 196         esac
 197
 198         AM_CONDITIONAL([CONFIG_USER],
 199             [test "$ZFS_CONFIG" = user -o "$ZFS_CONFIG" = all])
 200         AM_CONDITIONAL([CONFIG_KERNEL],
 201             [test "$ZFS_CONFIG" = kernel -o "$ZFS_CONFIG" = all] &&
 202             [test "x$enable_linux_builtin" != xyes ])
 203         AM_CONDITIONAL([CONFIG_QAT],
 204             [test "$ZFS_CONFIG" = kernel -o "$ZFS_CONFIG" = all] &&
 205             [test "x$qatsrc" != x ])
 206         AM_CONDITIONAL([WANT_DEVNAME2DEVID], [test "x$user_libudev" = xyes ])
 207         AM_CONDITIONAL([WANT_MMAP_LIBAIO], [test "x$user_libaio" = xyes ])
 208 ])
 209
 210 dnl #
 211 dnl # Check for rpm+rpmbuild to build RPM packages.  If these tools
 212 dnl # are missing it is non-fatal but you will not be able to build
 213 dnl # RPM packages and will be warned if you try too.
 214 dnl #
 215 dnl # By default the generic spec file will be used because it requires
 216 dnl # minimal dependencies.  Distribution specific spec files can be
 217 dnl # placed under the 'rpm/<distribution>' directory and enabled using
 218 dnl # the --with-spec=<distribution> configure option.
 219 dnl #
 220 AC_DEFUN([ZFS_AC_RPM], [
 221         RPM=rpm
 222         RPMBUILD=rpmbuild
 223
 224         AC_MSG_CHECKING([whether $RPM is available])
 225         AS_IF([tmp=$($RPM --version 2>/dev/null)], [
 226                 RPM_VERSION=$(echo $tmp | $AWK '/RPM/ { print $[3] }')
 227                 HAVE_RPM=yes
 228                 AC_MSG_RESULT([$HAVE_RPM ($RPM_VERSION)])
 229         ],[
 230                 HAVE_RPM=no
 231                 AC_MSG_RESULT([$HAVE_RPM])
 232         ])
 233
 234         AC_MSG_CHECKING([whether $RPMBUILD is available])
 235         AS_IF([tmp=$($RPMBUILD --version 2>/dev/null)], [
 236                 RPMBUILD_VERSION=$(echo $tmp | $AWK '/RPM/ { print $[3] }')
 237                 HAVE_RPMBUILD=yes
 238                 AC_MSG_RESULT([$HAVE_RPMBUILD ($RPMBUILD_VERSION)])
 239         ],[
 240                 HAVE_RPMBUILD=no
 241                 AC_MSG_RESULT([$HAVE_RPMBUILD])
 242         ])
 243
 244         RPM_DEFINE_COMMON='--define "$(DEBUG_ZFS) 1"'
 245         RPM_DEFINE_COMMON+=' --define "$(DEBUG_KMEM_ZFS) 1"'
 246         RPM_DEFINE_COMMON+=' --define "$(DEBUG_KMEM_TRACKING_ZFS) 1"'
 247         RPM_DEFINE_COMMON+=' --define "$(DEBUGINFO_ZFS) 1"'
 248         RPM_DEFINE_COMMON+=' --define "$(ASAN_ZFS) 1"'
 249
 250         RPM_DEFINE_UTIL=' --define "_initconfdir $(DEFAULT_INITCONF_DIR)"'
 251
 252         dnl # Make the next three RPM_DEFINE_UTIL additions conditional, since
 253         dnl # their values may not be set when running:
 254         dnl #
 255         dnl #   ./configure --with-config=srpm
 256         dnl #
 257         AS_IF([test -n "$dracutdir" ], [
 258                 RPM_DEFINE_UTIL='--define "_dracutdir $(dracutdir)"'
 259         ])
 260         AS_IF([test -n "$udevdir" ], [
 261                 RPM_DEFINE_UTIL+=' --define "_udevdir $(udevdir)"'
 262         ])
 263         AS_IF([test -n "$udevruledir" ], [
 264                 RPM_DEFINE_UTIL+=' --define "_udevdir $(udevruledir)"'
 265         ])
 266         RPM_DEFINE_UTIL+=' $(DEFINE_INITRAMFS)'
 267         RPM_DEFINE_UTIL+=' $(DEFINE_SYSTEMD)'
 268         RPM_DEFINE_UTIL+=' $(DEFINE_PYZFS)'
 269         RPM_DEFINE_UTIL+=' $(DEFINE_PYTHON_VERSION)'
 270         RPM_DEFINE_UTIL+=' $(DEFINE_PYTHON_PKG_VERSION)'
 271
 272         dnl # Override default lib directory on Debian/Ubuntu systems.  The
 273         dnl # provided /usr/lib/rpm/platform/<arch>/macros files do not
 274         dnl # specify the correct path for multiarch systems as described
 275         dnl # by the packaging guidelines.
 276         dnl #
 277         dnl # https://wiki.ubuntu.com/MultiarchSpec
 278         dnl # https://wiki.debian.org/Multiarch/Implementation
 279         dnl #
 280         AS_IF([test "$DEFAULT_PACKAGE" = "deb"], [
 281                 MULTIARCH_LIBDIR="lib/$(dpkg-architecture -qDEB_HOST_MULTIARCH)"
 282                 RPM_DEFINE_UTIL+=' --define "_lib $(MULTIARCH_LIBDIR)"'
 283                 AC_SUBST(MULTIARCH_LIBDIR)
 284         ])
 285
 286         RPM_DEFINE_KMOD='--define "kernels $(LINUX_VERSION)"'
 287         RPM_DEFINE_KMOD+=' --define "ksrc $(LINUX)"'
 288         RPM_DEFINE_KMOD+=' --define "kobj $(LINUX_OBJ)"'
 289         RPM_DEFINE_KMOD+=' --define "_wrong_version_format_terminate_build 0"'
 290
 291         RPM_DEFINE_DKMS=''
 292
 293         SRPM_DEFINE_COMMON='--define "build_src_rpm 1"'
 294         SRPM_DEFINE_UTIL=
 295         SRPM_DEFINE_KMOD=
 296         SRPM_DEFINE_DKMS=
 297
 298         RPM_SPEC_DIR="rpm/generic"
 299         AC_ARG_WITH([spec],
 300                 AS_HELP_STRING([--with-spec=SPEC],
 301                 [Spec files 'generic|redhat']),
 302                 [RPM_SPEC_DIR="rpm/$withval"])
 303
 304         AC_MSG_CHECKING([whether spec files are available])
 305         AC_MSG_RESULT([yes ($RPM_SPEC_DIR/*.spec.in)])
 306
 307         AC_SUBST(HAVE_RPM)
 308         AC_SUBST(RPM)
 309         AC_SUBST(RPM_VERSION)
 310
 311         AC_SUBST(HAVE_RPMBUILD)
 312         AC_SUBST(RPMBUILD)
 313         AC_SUBST(RPMBUILD_VERSION)
 314
 315         AC_SUBST(RPM_SPEC_DIR)
 316         AC_SUBST(RPM_DEFINE_UTIL)
 317         AC_SUBST(RPM_DEFINE_KMOD)
 318         AC_SUBST(RPM_DEFINE_DKMS)
 319         AC_SUBST(RPM_DEFINE_COMMON)
 320         AC_SUBST(SRPM_DEFINE_UTIL)
 321         AC_SUBST(SRPM_DEFINE_KMOD)
 322         AC_SUBST(SRPM_DEFINE_DKMS)
 323         AC_SUBST(SRPM_DEFINE_COMMON)
 324 ])
 325
 326 dnl #
 327 dnl # Check for dpkg+dpkg-buildpackage to build DEB packages.  If these
 328 dnl # tools are missing it is non-fatal but you will not be able to build
 329 dnl # DEB packages and will be warned if you try too.
 330 dnl #
 331 AC_DEFUN([ZFS_AC_DPKG], [
 332         DPKG=dpkg
 333         DPKGBUILD=dpkg-buildpackage
 334
 335         AC_MSG_CHECKING([whether $DPKG is available])
 336         AS_IF([tmp=$($DPKG --version 2>/dev/null)], [
 337                 DPKG_VERSION=$(echo $tmp | $AWK '/Debian/ { print $[7] }')
 338                 HAVE_DPKG=yes
 339                 AC_MSG_RESULT([$HAVE_DPKG ($DPKG_VERSION)])
 340         ],[
 341                 HAVE_DPKG=no
 342                 AC_MSG_RESULT([$HAVE_DPKG])
 343         ])
 344
 345         AC_MSG_CHECKING([whether $DPKGBUILD is available])
 346         AS_IF([tmp=$($DPKGBUILD --version 2>/dev/null)], [
 347                 DPKGBUILD_VERSION=$(echo $tmp | \
 348                     $AWK '/Debian/ { print $[4] }' | cut -f-4 -d'.')
 349                 HAVE_DPKGBUILD=yes
 350                 AC_MSG_RESULT([$HAVE_DPKGBUILD ($DPKGBUILD_VERSION)])
 351         ],[
 352                 HAVE_DPKGBUILD=no
 353                 AC_MSG_RESULT([$HAVE_DPKGBUILD])
 354         ])
 355
 356         AC_SUBST(HAVE_DPKG)
 357         AC_SUBST(DPKG)
 358         AC_SUBST(DPKG_VERSION)
 359
 360         AC_SUBST(HAVE_DPKGBUILD)
 361         AC_SUBST(DPKGBUILD)
 362         AC_SUBST(DPKGBUILD_VERSION)
 363 ])
 364
 365 dnl #
 366 dnl # Until native packaging for various different packing systems
 367 dnl # can be added the least we can do is attempt to use alien to
 368 dnl # convert the RPM packages to the needed package type.  This is
 369 dnl # a hack but so far it has worked reasonable well.
 370 dnl #
 371 AC_DEFUN([ZFS_AC_ALIEN], [
 372         ALIEN=alien
 373
 374         AC_MSG_CHECKING([whether $ALIEN is available])
 375         AS_IF([tmp=$($ALIEN --version 2>/dev/null)], [
 376                 ALIEN_VERSION=$(echo $tmp | $AWK '{ print $[3] }')
 377                 HAVE_ALIEN=yes
 378                 AC_MSG_RESULT([$HAVE_ALIEN ($ALIEN_VERSION)])
 379         ],[
 380                 HAVE_ALIEN=no
 381                 AC_MSG_RESULT([$HAVE_ALIEN])
 382         ])
 383
 384         AC_SUBST(HAVE_ALIEN)
 385         AC_SUBST(ALIEN)
 386         AC_SUBST(ALIEN_VERSION)
 387 ])
 388
 389 dnl #
 390 dnl # Using the VENDOR tag from config.guess set the default
 391 dnl # package type for 'make pkg': (rpm | deb | tgz)
 392 dnl #
 393 AC_DEFUN([ZFS_AC_DEFAULT_PACKAGE], [
 394         AC_MSG_CHECKING([linux distribution])
 395         if test -f /etc/toss-release ; then
 396                 VENDOR=toss ;
 397         elif test -f /etc/fedora-release ; then
 398                 VENDOR=fedora ;
 399         elif test -f /etc/redhat-release ; then
 400                 VENDOR=redhat ;
 401         elif test -f /etc/gentoo-release ; then
 402                 VENDOR=gentoo ;
 403         elif test -f /etc/arch-release ; then
 404                 VENDOR=arch ;
 405         elif test -f /etc/SuSE-release ; then
 406                 VENDOR=sles ;
 407         elif test -f /etc/slackware-version ; then
 408                 VENDOR=slackware ;
 409         elif test -f /etc/lunar.release ; then
 410                 VENDOR=lunar ;
 411         elif test -f /etc/lsb-release ; then
 412                 VENDOR=ubuntu ;
 413         elif test -f /etc/debian_version ; then
 414                 VENDOR=debian ;
 415         elif test -f /etc/alpine-release ; then
 416                 VENDOR=alpine ;
 417         else
 418                 VENDOR= ;
 419         fi
 420         AC_MSG_RESULT([$VENDOR])
 421         AC_SUBST(VENDOR)
 422
 423         AC_MSG_CHECKING([default package type])
 424         case "$VENDOR" in
 425                 toss)       DEFAULT_PACKAGE=rpm  ;;
 426                 redhat)     DEFAULT_PACKAGE=rpm  ;;
 427                 fedora)     DEFAULT_PACKAGE=rpm  ;;
 428                 gentoo)     DEFAULT_PACKAGE=tgz  ;;
 429                 alpine)     DEFAULT_PACKAGE=tgz  ;;
 430                 arch)       DEFAULT_PACKAGE=tgz  ;;
 431                 sles)       DEFAULT_PACKAGE=rpm  ;;
 432                 slackware)  DEFAULT_PACKAGE=tgz  ;;
 433                 lunar)      DEFAULT_PACKAGE=tgz  ;;
 434                 ubuntu)     DEFAULT_PACKAGE=deb  ;;
 435                 debian)     DEFAULT_PACKAGE=deb  ;;
 436                 *)          DEFAULT_PACKAGE=rpm  ;;
 437         esac
 438         AC_MSG_RESULT([$DEFAULT_PACKAGE])
 439         AC_SUBST(DEFAULT_PACKAGE)
 440
 441         DEFAULT_INIT_DIR=$sysconfdir/init.d
 442         AC_MSG_CHECKING([default init directory])
 443         AC_MSG_RESULT([$DEFAULT_INIT_DIR])
 444         AC_SUBST(DEFAULT_INIT_DIR)
 445
 446         AC_MSG_CHECKING([default init script type])
 447         case "$VENDOR" in
 448                 toss)       DEFAULT_INIT_SCRIPT=redhat ;;
 449                 redhat)     DEFAULT_INIT_SCRIPT=redhat ;;
 450                 fedora)     DEFAULT_INIT_SCRIPT=fedora ;;
 451                 gentoo)     DEFAULT_INIT_SCRIPT=openrc ;;
 452                 alpine)     DEFAULT_INIT_SCRIPT=openrc ;;
 453                 arch)       DEFAULT_INIT_SCRIPT=lsb    ;;
 454                 sles)       DEFAULT_INIT_SCRIPT=lsb    ;;
 455                 slackware)  DEFAULT_INIT_SCRIPT=lsb    ;;
 456                 lunar)      DEFAULT_INIT_SCRIPT=lunar  ;;
 457                 ubuntu)     DEFAULT_INIT_SCRIPT=lsb    ;;
 458                 debian)     DEFAULT_INIT_SCRIPT=lsb    ;;
 459                 *)          DEFAULT_INIT_SCRIPT=lsb    ;;
 460         esac
 461         AC_MSG_RESULT([$DEFAULT_INIT_SCRIPT])
 462         AC_SUBST(DEFAULT_INIT_SCRIPT)
 463
 464         AC_MSG_CHECKING([default init config direectory])
 465         case "$VENDOR" in
 466                 alpine)     DEFAULT_INITCONF_DIR=/etc/conf.d    ;;
 467                 gentoo)     DEFAULT_INITCONF_DIR=/etc/conf.d    ;;
 468                 toss)       DEFAULT_INITCONF_DIR=/etc/sysconfig ;;
 469                 redhat)     DEFAULT_INITCONF_DIR=/etc/sysconfig ;;
 470                 fedora)     DEFAULT_INITCONF_DIR=/etc/sysconfig ;;
 471                 sles)       DEFAULT_INITCONF_DIR=/etc/sysconfig ;;
 472                 ubuntu)     DEFAULT_INITCONF_DIR=/etc/default   ;;
 473                 debian)     DEFAULT_INITCONF_DIR=/etc/default   ;;
 474                 *)          DEFAULT_INITCONF_DIR=/etc/default   ;;
 475         esac
 476         AC_MSG_RESULT([$DEFAULT_INITCONF_DIR])
 477         AC_SUBST(DEFAULT_INITCONF_DIR)
 478
 479         AC_MSG_CHECKING([whether initramfs-tools is available])
 480         if test -d /usr/share/initramfs-tools ; then
 481                 DEFINE_INITRAMFS='--define "_initramfs 1"'
 482                 AC_MSG_RESULT([yes])
 483         else
 484                 DEFINE_INITRAMFS=''
 485                 AC_MSG_RESULT([no])
 486         fi
 487         AC_SUBST(DEFINE_INITRAMFS)
 488 ])
 489
 490 dnl #
 491 dnl # Default ZFS package configuration
 492 dnl #
 493 AC_DEFUN([ZFS_AC_PACKAGE], [
 494         ZFS_AC_DEFAULT_PACKAGE
 495         ZFS_AC_RPM
 496         ZFS_AC_DPKG
 497         ZFS_AC_ALIEN
 498 ])