-#
-# LB_PATH_SPL
-#
-# --with-spl - Enable spl support and attempt to autodetect the spl
-# --with-spl=yes headers in one of the following places in this order:
-# * ./spl
-# * /usr/src/spl-*/$LINUXRELEASE
-# * ../spl
-#
-# --with-spl=path - Enable spl support and use the spl headers in the
-# provided path. No autodetection is performed.
-#
-# --with-spl-obj - When spl support is enabled the object directory
-# will be based on the --with-spl directory. If this
-# is detected incorrectly it can be explicitly
-# specified using this option.
-#
-# NOTE: As with all external packages spl is expected to already be
-# configured and built. However, if the spl tree is located in-tree
-# (./spl) then it will be configured and built recursively as part of
-# the lustre build system.
-#
-AC_DEFUN([LB_PATH_SPL],
-[
-AC_ARG_WITH([spl],
- AC_HELP_STRING([--with-spl=path], [set path to spl sources]),
- [],[
- if test x$enable_server = xyes && test x$enable_dist = xno; then
- with_spl='yes'
- else
- with_spl='no'
- fi
+dnl #
+dnl # Supported configure options. When no options are specified support
+dnl # for ZFS OSDs will be autodetected assuming server support is enabled.
+dnl # If the ZFS OSD cannot be built support for it is disabled and a
+dnl # warning is issued but the configure process is allowed to continue.
+dnl #
+dnl # --without-zfs - Disable zfs support.
+dnl # --with-zfs=no
+dnl #
+dnl # --with-zfs - Enable zfs support and attempt to autodetect the zfs
+dnl # --with-zfs=yes headers in one of the following places. Because zfs
+dnl # support was explicitly required if the headers cannot
+dnl # be located it is treated as a fatal error.
+dnl #
+dnl # * /var/lib/dkms/zfs/${VERSION}/build
+dnl # * /usr/src/zfs-${VERSION}/${LINUXRELEASE}
+dnl # * /usr/src/zfs-${VERSION}
+dnl # * ../spl/
+dnl # * $LINUX
+dnl #
+dnl # --with-zfs-devel=path
+dnl # - User provided directory where zfs development headers
+dnl # are located. This option is typically used when user
+dnl # uses rpm2cpio to unpack src rpm.
+dnl # Assumes layout of:
+dnl # ${zfs-devel-path}/usr/include/libzfs
+dnl # ${zfs-devel-path}/usr/include/libspl
+dnl # ${zfs-devel-path}/lib64/libzfs.so.* or
+dnl # ${zfs-devel-path}/lib/libzfs.so.*
+dnl #
+dnl # --with-zfs=path - Enable zfs support and use the zfs headers in the
+dnl # provided path. No autodetection is performed and
+dnl # if no headers are found this is a fatal error.
+dnl #
+dnl # --with-zfs-obj - When zfs support is enabled the object directory
+dnl # will be based on the --with-zfs directory. If this
+dnl # is detected incorrectly it can be explicitly
+dnl # specified using this option.
+dnl #
+dnl # --without-spl - Disable spl support.
+dnl # --with-spl=no
+dnl #
+dnl # --with-spl - Enable spl support and attempt to autodetect the spl
+dnl # --with-spl=yes headers in one of the following places in this order:
+dnl # * /var/lib/dkms/spl/${VERSION}/build
+dnl # * /usr/src/spl-${VERSION}/${LINUXRELEASE}
+dnl # * /usr/src/spl-${VERSION}
+dnl # * ../spl/
+dnl # * $LINUX
+dnl #
+dnl # --with-spl=path - Enable spl support and use the spl headers in the
+dnl # provided path. No autodetection is performed.
+dnl #
+dnl # --with-spl-obj - When spl support is enabled the object directory
+dnl # will be based on the --with-spl directory. If this
+dnl # is detected incorrectly it can be explicitly
+dnl # specified using this option.
+dnl #
+AC_DEFUN([LB_SPL], [
+ AC_ARG_WITH([spl],
+ AS_HELP_STRING([--with-spl=PATH],
+ [Path to spl source]),
+ [splsrc="$withval"])
+
+ AC_ARG_WITH([spl-obj],
+ AS_HELP_STRING([--with-spl-obj=PATH],
+ [Path to spl build objects]),
+ [splobj="$withval"])
+
+ dnl #
+ dnl # The existence of spl.release[.in] is used to identify a valid
+ dnl # source directory. In order of preference:
+ dnl #
+ splver=$(ls -1 /usr/src/ | grep -m1 spl | cut -f2 -d'-')
+ splsrc0="/var/lib/dkms/spl/${splver}/build"
+ splsrc1="/usr/src/spl-${splver}/${LINUXRELEASE}"
+ splsrc2="/usr/src/spl-${splver}"
+ splsrc3="../spl/"
+ splsrc4="$LINUX"
+
+ AC_MSG_CHECKING([spl source directory])
+ AS_IF([test -z "${splsrc}"], [
+ AS_IF([test -e "${splsrc0}/spl.release.in"], [
+ splsrc=${splsrc0}
+ ], [test -e "${splsrc1}/spl.release.in"], [
+ splsrc=${splsrc1}
+ ], [test -e "${splsrc2}/spl.release.in"], [
+ splsrc=${splsrc2}
+ ], [test -e "${splsrc3}/spl.release.in"], [
+ splsrc=$(readlink -f "${splsrc3}")
+ ], [test -e "${splsrc4}/spl.release.in"], [
+ splsrc=${splsrc4}
+ ], [
+ splsrc="[Not found]"
+ ])
])
+ AC_MSG_RESULT([$splsrc])
-case x$with_spl in
- xno)
- AC_MSG_ERROR([spl must be enabled when building zfs.])
- ;;
- xyes)
- SPL_DIR=
-
- # Check ./spl
- spl_src=$PWD/spl
- if test -e "$spl_src"; then
- SPL_DIR=$(readlink -f $spl_src)
- else
- # Check /usr/src/spl-*/$LINUXRELEASE
- spl_src=$(ls -1d /usr/src/spl-*/$LINUXRELEASE \
- 2>/dev/null | tail -1)
- if test -e "$spl_src"; then
- SPL_DIR=$(readlink -f $spl_src)
- else
- # Check ../spl
- spl_src=$PWD/../spl
- if test -e "$spl_src"; then
- SPL_DIR=$(readlink -f $spl_src)
- else
- # Fatal spl required for zfs builds
- AC_MSG_ERROR([Could not locate spl.])
- fi
- fi
- fi
-
- ;;
- *)
- SPL_DIR=$(readlink -f $with_spl)
- with_spl='yes'
- ;;
-esac
-
-AC_ARG_WITH([spl-obj],
- AC_HELP_STRING([--with-spl-obj=path], [set path to spl objects]),
- [
- if test x$with_spl = xyes; then
- SPL_OBJ="$withval"
- fi
- ],[
- if test x$with_spl = xyes; then
- SPL_OBJ=$SPL_DIR
- fi
+ AS_IF([test ! -e "$splsrc/spl.release" &&
+ test ! -e "$splsrc/spl.release.in"], [
+ enable_zfs=no
])
-AC_MSG_CHECKING([spl source directory])
-AC_MSG_RESULT([$SPL_DIR])
-AC_SUBST(SPL_DIR)
-
-AC_MSG_CHECKING([spl object directory])
-AC_MSG_RESULT([$SPL_OBJ])
-AC_SUBST(SPL_OBJ)
-
-LB_SPL_SYMVERS
-LB_SPL_RELEASE
-])
+ dnl #
+ dnl # The existence of the spl_config.h is used to identify a valid
+ dnl # spl object directory. In many cases the object and source
+ dnl # directory are the same, however the objects may also reside
+ dnl # is a subdirectory named after the kernel version.
+ dnl #
+ AC_MSG_CHECKING([spl build directory])
+ AS_IF([test -z "$splobj"], [
+ AS_IF([test -e "${splsrc}/${LINUXRELEASE}/spl_config.h"], [
+ splobj="${splsrc}/${LINUXRELEASE}"
+ ], [test -e "${splsrc}/spl_config.h"], [
+ splobj="${splsrc}"
+ ], [
+ splobj="[Not found]"
+ ])
+ ])
+ AC_MSG_RESULT([$splobj])
-#
-# LB_SPL_BUILD
-#
-# Optionally configure/make the spl sources. If the sources are
-# determined to reside in-tree this feature will automatically be
-# enabled. If the sources are not in-tree it will be disabled.
-# Use --enable-spl-build or --disable-spl-build if you need to
-# override this behavior.
-#
-AC_DEFUN([LB_SPL_BUILD],
-[
-AC_ARG_ENABLE([spl-build],
- AC_HELP_STRING([--enable-spl-build], [enable spl configure/make]),
- [], [
- SPL_DIR_INTREE=$(readlink -f $PWD/spl)
- if test x$SPL_DIR = x$SPL_DIR_INTREE; then
- enable_spl_build='yes'
- else
- enable_spl_build='no'
- fi
+ AS_IF([test ! -e "$splobj/spl_config.h"], [
+ enable_zfs=no
])
-AC_MSG_CHECKING([whether to build spl])
-if test x$enable_spl_build = xyes; then
- AC_MSG_RESULT([$enable_spl_build])
+ dnl #
+ dnl # Verify the source version using SPL_META_VERSION in spl_config.h
+ dnl #
+ AS_IF([test x$enable_zfs = xyes], [
+ AC_MSG_CHECKING([spl source version])
+ AS_IF([fgrep -q SPL_META_VERSION $splobj/spl_config.h], [
+ splver=$((echo "#include <spl_config.h>";
+ echo "splver=SPL_META_VERSION-SPL_META_RELEASE") |
+ cpp -I $splobj |
+ grep "^splver=" | tr -d \" | cut -d= -f2)
+ ], [
+ splver="[Not found]"
+ enable_zfs=no
+ ])
+ AC_MSG_RESULT([$splver])
+ ])
- LB_CHECK_FILE([$SPL_DIR/module/spl/spl-generic.c], [], [
- AC_MSG_ERROR([Complete spl source must exist when building.])])
+ dnl #
+ dnl # Verify the modules systems exist by the expect name.
+ dnl #
+ AS_IF([test x$enable_zfs = xyes], [
+ AC_MSG_CHECKING([spl file name for module symbols])
+ AS_IF([test -r $splobj/$SYMVERFILE], [
+ splsym=$SYMVERFILE
+ ], [test -r $splobj/module/$SYMVERFILE], [
+ splsym=$SYMVERFILE
+ ], [
+ splsym="[Not found]"
+ enable_zfs=no
+ ])
+ AC_MSG_RESULT([$splsym])
+ ])
- LB_CHECK_FILE([$SPL_DIR/configure], [], [
- AC_MSG_ERROR([Complete spl source must exist when building.])])
+ SPL=${splsrc}
+ SPL_OBJ=${splobj}
+ SPL_VERSION=${splver}
+ SPL_SYMBOLS=${splsym}
- SPL_SUBDIR="$SPL_DIR"
- AC_SUBST(SPL_SUBDIR)
- AC_CONFIG_SUBDIRS("spl")
-else
- enable_spl_build='no'
- AC_MSG_RESULT([$enable_spl_build])
-fi
+ AC_SUBST(SPL)
+ AC_SUBST(SPL_OBJ)
+ AC_SUBST(SPL_VERSION)
+ AC_SUBST(SPL_SYMBOLS)
])
-#
-# LB_SPL_SYMVERS
-#
-AC_DEFUN([LB_SPL_SYMVERS],
-[
-AC_MSG_CHECKING([spl module symbols])
-if test -r $SPL_OBJ/Module.symvers; then
- SPL_SYMBOLS=Module.symvers
-elif test -r $SPL_OBJ/Modules.symvers; then
- SPL_SYMBOLS=Modules.symvers
-elif test -r $SPL_OBJ/module/Module.symvers; then
- SPL_SYMBOLS=Module.symvers
-elif test -r $SPL_OBJ/module/Modules.symvers; then
- SPL_SYMBOLS=Modules.symvers
-else
- SPL_SYMBOLS=$SYMVERFILE
-fi
-
-AC_MSG_RESULT([$SPL_SYMBOLS])
-AC_SUBST(SPL_SYMBOLS)
-])
+AC_DEFUN([LB_ZFS], [
+ AC_ARG_WITH([zfs-obj],
+ AS_HELP_STRING([--with-zfs-obj=PATH],
+ [Path to zfs build objects]),
+ [zfsobj="$withval"])
+
+ dnl #
+ dnl # The existence of zfs.release[.in] is used to identify a valid
+ dnl # source directory. In order of preference:
+ dnl #
+ zfsver=$(ls -1 /usr/src/ | grep -m1 zfs | cut -f2 -d'-')
+ zfssrc0="/var/lib/dkms/zfs/${zfsver}/build"
+ zfssrc1="/usr/src/zfs-${zfsver}/${LINUXRELEASE}"
+ zfssrc2="/usr/src/zfs-${zfsver}"
+ zfssrc3="../zfs/"
+ zfssrc4="$LINUX"
-#
-# LB_SPL_RELEASE
-#
-AC_DEFUN([LB_SPL_RELEASE],
-[
-AC_MSG_CHECKING([spl source release])
-if test -r $SPL_OBJ/spl_config.h; then
- tmp_flags="$EXTRA_KCFLAGS"
- EXTRA_KCFLAGS="-I$SPL_DIR $EXTRA_KCFLAGS"
- LB_LINUX_TRY_MAKE([
- #include <$SPL_OBJ/spl_config.h>
- ],[
- char *SPL_RELEASE;
- SPL_RELEASE=SPL_META_VERSION;
- ],[
- $makerule LUSTRE_KERNEL_TEST=conftest.i
- ],[
- test -s build/conftest.i
- ],[
- eval $(grep "SPL_RELEASE=" build/conftest.i)
- ],[
- AC_MSG_RESULT([unknown])
- AC_MSG_ERROR([Could not preprocess test program.])
+ AC_MSG_CHECKING([zfs source directory])
+ AS_IF([test -z "${zfssrc}"], [
+ AS_IF([test -e "${zfssrc0}/zfs.release.in"], [
+ zfssrc=${zfssrc0}
+ ], [test -e "${zfssrc1}/zfs.release.in"], [
+ zfssrc=${zfssrc1}
+ ], [test -e "${zfssrc2}/zfs.release.in"], [
+ zfssrc=${zfssrc2}
+ ], [test -e "${zfssrc3}/zfs.release.in"], [
+ zfssrc=$(readlink -f "${zfssrc3}")
+ ], [test -e "${zfssrc4}/zfs.release.in"], [
+ zfssrc=${zfssrc4}
+ ], [
+ zfssrc="[Not found]"
+ ])
])
- EXTRA_KCFLAGS="$tmp_flags"
- rm build/conftest.i
-elif test -r $SPL_DIR/META; then
- SPL_RELEASE=$(awk '/Version/ { print [$]2 }' $SPL_DIR/META)
-else
- AC_MSG_RESULT([unknown])
- AC_MSG_ERROR([Could not locate spl_config.h or META to check release.])
-fi
-
-if test x$SPL_RELEASE = x; then
- AC_MSG_RESULT([unknown])
- AC_MSG_ERROR([Could not determine spl release.])
-fi
-
-AC_MSG_RESULT([$SPL_RELEASE])
-AC_SUBST(SPL_RELEASE)
-])
-
+ AC_MSG_RESULT([$zfssrc])
-#
-# LB_PATH_ZFS
-#
-# --without-zfs - Disable zfs support.
-# --with-zfs=no
-#
-# --with-zfs - Enable zfs support and attempt to autodetect the zfs
-# --with-zfs=yes headers in one of the following places in this order:
-# * ./zfs
-# * /usr/src/zfs-*/$LINUXRELEASE
-# * ../zfs
-#
-# --with-zfs=path - Enable zfs support and use the zfs headers in the
-# provided path. No autodetection is performed.
-#
-# --with-zfs-obj - When zfs support is enabled the object directory
-# will be based on the --with-zfs directory. If this
-# is detected incorrectly it can be explicitly
-# specified using this option.
-#
-# NOTE: As with all external packages zfs is expected to already be
-# configured and built. However, if the zfs tree is located in-tree
-# (./zfs) then it will be configured and built recursively as part of
-# the lustre build system.
-#
-AC_DEFUN([LB_PATH_ZFS],
-[
-AC_ARG_WITH([zfs],
- AC_HELP_STRING([--with-zfs=path], [set path to zfs sources]),
- [],[
- if test x$enable_server = xyes && test x$enable_dist = xno; then
- with_zfs='yes'
- else
- with_zfs='no'
- fi
+ AS_IF([test ! -e "$zfssrc/zfs.release.in" &&
+ test ! -e "$zfssrc/zfs.release"], [
+ enable_zfs=no
])
-case x$with_zfs in
- xno)
- ZFS_DIR=
- ;;
- xyes)
- ZFS_DIR=
-
- # Check ./zfs
- zfs_src=$PWD/zfs
- if test -e "$zfs_src"; then
- ZFS_DIR=$(readlink -f $zfs_src)
- else
- # Check /usr/src/zfs-*/$LINUXRELEASE
- zfs_src=$(ls -1d /usr/src/zfs-*/$LINUXRELEASE \
- 2>/dev/null|tail -1)
- if test -e "$zfs_src"; then
- ZFS_DIR=$(readlink -f $zfs_src)
- else
- # Check ../zfs
- zfs_src=$PWD/../zfs
- if test -e "$zfs_src"; then
- ZFS_DIR=$(readlink -f $zfs_src)
- else
- # Disable zfs failed to detect sources
- with_zfs='no'
- fi
- fi
- fi
- ;;
- *)
- ZFS_DIR=$(readlink -f $with_zfs)
- with_zfs='yes'
- ;;
-esac
-
-AC_MSG_CHECKING([whether to enable zfs])
-AC_MSG_RESULT([$with_zfs])
-
-if test x$with_zfs = xyes; then
- AC_MSG_CHECKING([for location of zfs library headers])
- if test -e "$ZFS_DIR/include/libzfs.h"; then
- EXTRA_LIBZFS_INCLUDE="$EXTRA_LIBZFS_INCLUDE -I $ZFS_DIR/lib/libspl/include -I $ZFS_DIR/include"
- AC_MSG_RESULT([$ZFS_DIR])
- elif test -e "$ZFS_DIR/libzfs/libzfs.h"; then
- EXTRA_LIBZFS_INCLUDE="$EXTRA_LIBZFS_INCLUDE -I $ZFS_DIR/libspl -I $ZFS_DIR/libzfs"
- AC_MSG_RESULT([$ZFS_DIR])
- elif test -e "/usr/include/libzfs/libzfs.h"; then
- AC_MSG_RESULT([/usr/include])
- EXTRA_LIBZFS_INCLUDE="$EXTRA_LIBZFS_INCLUDE -I /usr/include/libspl -I /usr/include/libzfs"
- else
- AC_MSG_RESULT([unknown])
- AC_MSG_ERROR([Could not locate zfs library headers.])
- fi
- AC_SUBST(EXTRA_LIBZFS_INCLUDE)
-fi
-
-AC_ARG_WITH([zfs-obj],
- AC_HELP_STRING([--with-zfs-obj=path], [set path to zfs objects]),
- [
- if test x$with_zfs = xyes; then
- ZFS_OBJ="$withval"
- fi
- ],[
- if test x$with_zfs = xyes; then
- ZFS_OBJ=$ZFS_DIR
- fi
+ dnl #
+ dnl # The existence of the zfs_config.h is used to identify a valid
+ dnl # zfs object directory. In many cases the object and source
+ dnl # directory are the same, however the objects may also reside
+ dnl # is a subdirectory named after the kernel version.
+ dnl #
+ AC_MSG_CHECKING([zfs build directory])
+ AS_IF([test -z "$zfsobj"], [
+ AS_IF([test -e "${zfssrc}/${LINUXRELEASE}/zfs_config.h"], [
+ zfsobj="${zfssrc}/${LINUXRELEASE}"
+ ], [test -e "${zfssrc}/zfs_config.h"], [
+ zfsobj="${zfssrc}"
+ ], [
+ zfsobj="[Not found]"
+ ])
])
-if test x$with_zfs = xyes; then
- LB_ZFS_DEFINE_OPTIONS
-
- AC_MSG_CHECKING([zfs source directory])
- AC_MSG_RESULT([$ZFS_DIR])
- AC_SUBST(ZFS_DIR)
-
- AC_MSG_CHECKING([zfs object directory])
- AC_MSG_RESULT([$ZFS_OBJ])
- AC_SUBST(ZFS_OBJ)
+ AC_MSG_RESULT([$zfsobj])
+ AS_IF([test ! -e "$zfsobj/zfs_config.h"], [
+ enable_zfs=no
+ ])
- LB_ZFS_SYMVERS
- LB_ZFS_RELEASE
+ dnl #
+ dnl # Verify the source version using SPL_META_VERSION in spl_config.h
+ dnl #
+ AS_IF([test x$enable_zfs = xyes], [
+ AC_MSG_CHECKING([zfs source version])
+ AS_IF([fgrep -q ZFS_META_VERSION $zfsobj/zfs_config.h], [
+ zfsver=$((echo "#include <zfs_config.h>";
+ echo "zfsver=ZFS_META_VERSION-ZFS_META_RELEASE") |
+ cpp -I $zfsobj |
+ grep "^zfsver=" | tr -d \" | cut -d= -f2)
+ ],[
+ zfsver="[Not found]"
+ enable_zfs=no
+ ])
+ AC_MSG_RESULT([$zfsver])
+ ])
- LB_PATH_SPL
+ dnl #
+ dnl # Verify the modules systems exist by the expect name.
+ dnl #
+ AS_IF([test x$enable_zfs = xyes], [
+ AC_MSG_CHECKING([zfs file name for module symbols])
+ AS_IF([test -r $zfsobj/$SYMVERFILE], [
+ zfssym=$SYMVERFILE
+ ], [test -r $zfsobj/module/$SYMVERFILE], [
+ zfssym=$SYMVERFILE
+ ], [
+ zfssym="[Not found]"
+ enable_zfs=no
+ ])
+ AC_MSG_RESULT([$zfssym])
+ ])
- LB_SPL_BUILD
- LB_ZFS_BUILD
-fi
+ ZFS=${zfssrc}
+ ZFS_OBJ=${zfsobj}
+ ZFS_VERSION=${zfsver}
+ ZFS_SYMBOLS=${zfssym}
-AM_CONDITIONAL(SPL_BUILD, test x$enable_spl_build = xyes)
-AM_CONDITIONAL(ZFS_BUILD, test x$enable_zfs_build = xyes)
-AM_CONDITIONAL(ZFS_ENABLED, test x$with_zfs = xyes)
+ AC_SUBST(ZFS)
+ AC_SUBST(ZFS_OBJ)
+ AC_SUBST(ZFS_VERSION)
+ AC_SUBST(ZFS_SYMBOLS)
])
-#
-# LB_ZFS_BUILD
-#
-# Optionally configure/make the zfs sources. If the sources are
-# determined to reside in-tree this feature will automatically be
-# enabled. If the sources are not in-tree it will be disabled.
-# Use --enable-zfs-build or --disable-zfs-build if you need to
-# override this behavior.
-#
-AC_DEFUN([LB_ZFS_BUILD],
-[
-AC_ARG_ENABLE([zfs-build],
- AC_HELP_STRING([--enable-zfs-build], [enable zfs configure/make]),
- [], [
- ZFS_DIR_INTREE=$(readlink -f $PWD/zfs)
- if test x$ZFS_DIR = x$ZFS_DIR_INTREE; then
- enable_zfs_build='yes'
- else
- enable_zfs_build='no'
- fi
+AC_DEFUN([LB_ZFS_DEVEL], [
+ AC_ARG_WITH([zfs-devel],
+ [AS_HELP_STRING([--with-zfs-devel=PATH],
+ [Path to zfs development headers])],
+ [zfsdevel="$withval"])
+
+ AC_MSG_CHECKING([user provided zfs devel headers])
+ AS_IF([test ! -z "${zfsdevel}"], [
+ AS_IF([test -d "${zfsdevel}/usr/include/libspl" && test -d "${zfsdevel}/usr/include/libzfs"], [
+ zfsinc="-I $zfsdevel/usr/include/libspl -I $zfsdevel/usr/include/libzfs"
+ zfslib="-L$zfsdevel/lib64 -L$zfsdevel/lib"
+ ], [
+ AC_MSG_ERROR([Path to development headers directory does not exist])
+ ])
])
+ AC_MSG_RESULT([$zfsinc])
+])
-AC_MSG_CHECKING([whether to build zfs])
-if test x$enable_zfs_build = xyes; then
- AC_MSG_RESULT([$enable_zfs_build])
-
- LB_CHECK_FILE([$ZFS_DIR/module/zfs/dmu.c], [], [
- AC_MSG_ERROR([Complete zfs sources must exist when building.])])
-
- LB_CHECK_FILE([$ZFS_DIR/configure], [], [
- AC_MSG_ERROR([Complete zfs sources must exist when building.])])
-
- ZFS_SUBDIR="$ZFS_DIR"
- AC_SUBST(ZFS_SUBDIR)
- AC_CONFIG_SUBDIRS("zfs")
+AC_DEFUN([LB_ZFS_USER], [
+ dnl #
+ dnl # Detect user space zfs development headers.
+ dnl #
+ AC_MSG_CHECKING([zfs devel headers])
+ AS_IF([test -z "${zfsinc}"], [
+ AS_IF([test -e "${zfssrc}/include/libzfs.h" && test -e "${zfssrc}/lib/libspl/include"], [
+ zfsinc="-I $zfssrc/lib/libspl/include -I $zfssrc/include"
+ zfslib="-L$zfssrc/lib/libzfs/.libs/"
+ ], [test -d /usr/include/libzfs && test -d /usr/include/libspl], [
+ zfsinc="-I/usr/include/libspl -I /usr/include/libzfs"
+ zfslib=""
+ ], [
+ zfsinc="[Not Found]"
+ zfslib=""
+ enable_zfs=no
+ ])
+ ])
+ AC_MSG_RESULT([$zfsinc])
- ac_configure_args="$ac_configure_args --with-spl=$SPL_DIR"
- ac_configure_args="$ac_configure_args --with-spl-obj=$SPL_OBJ"
-else
- enable_zfs_build='no'
- AC_MSG_RESULT([$enable_zfs_build])
-fi
+ ZFS_LIBZFS_INCLUDE=${zfsinc}
+ ZFS_LIBZFS_LDFLAGS="-lzfs ${zfslib}"
+ AC_SUBST(ZFS_LIBZFS_INCLUDE)
+ AC_SUBST(ZFS_LIBZFS_LDFLAGS)
])
-#
-# LB_ZFS_SYMVERS
-#
-AC_DEFUN([LB_ZFS_SYMVERS],
-[
-AC_MSG_CHECKING([zfs module symbols])
-if test -r $ZFS_OBJ/Module.symvers; then
- ZFS_SYMBOLS=Module.symvers
-elif test -r $ZFS_OBJ/Modules.symvers; then
- ZFS_SYMBOLS=Modules.symvers
-elif test -r $ZFS_OBJ/module/Module.symvers; then
- ZFS_SYMBOLS=Module.symvers
-elif test -r $ZFS_OBJ/module/Modules.symvers; then
- ZFS_SYMBOLS=Modules.symvers
-else
- ZFS_SYMBOLS=$SYMVERFILE
-fi
-
-AC_MSG_RESULT([$ZFS_SYMBOLS])
-AC_SUBST(ZFS_SYMBOLS)
-])
+AC_DEFUN([LB_CONFIG_ZFS], [
+ AC_ARG_WITH([zfs],
+ [AS_HELP_STRING([--with-zfs=PATH], [Path to zfs source])],
+ [
+ AS_IF([test x$withval = xno], [
+ enable_zfs=no
+ require_zfs=no
+ ], [test x$withval = xyes], [
+ enable_zfs=yes
+ require_zfs=yes
+ ], [
+ enable_zfs=yes
+ require_zfs=yes
+ zfssrc="$withval"
+ ])
+ ], [
+ AS_IF([test x$enable_server != xno], [
+ require_zfs=no
+ enable_zfs=yes
+ ], [
+ require_zfs=no
+ enable_zfs=no
+ ])
+ ])
+
+ AC_MSG_CHECKING([whether to enable zfs])
+ AC_MSG_RESULT([$enable_zfs])
+
+ AS_IF([test x$enable_zfs = xyes], [
+ AS_IF([test x$enable_modules = xyes], [
+ LB_SPL
+ LB_ZFS
+ ])
+ LB_ZFS_DEVEL
+ LB_ZFS_USER
+
+ dnl #
+ dnl # enable_zfs will be set to no in LB_SPL or LB_ZFS if
+ dnl # one of more of the build requirements is not met.
+ dnl #
+ AS_IF([test x$enable_zfs = xyes], [
+ AC_DEFINE(HAVE_ZFS_OSD, 1, Enable zfs osd)
+ ],[
+ AS_IF([test x$require_zfs = xyes], [
+ AC_MSG_ERROR([
+
+Required zfs osd cannot be built due to missing zfs development headers.
+
+Support for zfs can be enabled by downloading the required packages for your
+distribution. See http://zfsonlinux.org/ to determine is zfs is supported by
+your distribution.
+ ])
+ ], [
+ AC_MSG_WARN([
+
+Disabling optional zfs osd due to missing development headers.
+
+Support for zfs can be enabled by downloading the required packages for your
+distribution. See http://zfsonlinux.org/ to determine is zfs is supported by
+your distribution.
+ ])
+ ])
+ ])
+ ])
-#
-# LB_ZFS_RELEASE
-#
-AC_DEFUN([LB_ZFS_RELEASE],
-[
-AC_MSG_CHECKING([zfs source release])
-if test -r $ZFS_OBJ/zfs_config.h; then
- tmp_flags="$EXTRA_KCFLAGS"
- EXTRA_KCFLAGS="-I$ZFS_OBJ $EXTRA_KCFLAGS"
- LB_LINUX_TRY_MAKE([
- #include <$ZFS_OBJ/zfs_config.h>
- ],[
- char *ZFS_RELEASE;
- ZFS_RELEASE=ZFS_META_VERSION;
- ],[
- $makerule LUSTRE_KERNEL_TEST=conftest.i
- ],[
- test -s build/conftest.i
- ],[
- eval $(grep "ZFS_RELEASE=" build/conftest.i)
- ],[
- AC_MSG_RESULT([unknown])
- AC_MSG_ERROR([Could not preprocess test program.])
+ AS_IF([test "x$enable_zfs" = xyes], [
+ LB_CHECK_COMPILE([if zfs defines dsl_pool_config_enter/exit],
+ dsl_pool_config_enter, [
+ #include <sys/dsl_pool.h>
+ ],[
+ dsl_pool_config_enter(NULL, FTAG);
+ ],[
+ AC_DEFINE(HAVE_DSL_POOL_CONFIG, 1,
+ [Have dsl_pool_config_enter/exit in ZFS])
+ ])
+ LB_CHECK_COMPILE([if zfs defines dsl_sync_task_do_nowait],
+ dsl_sync_task_do_nowait, [
+ #include <sys/dsl_synctask.h>
+ ],[
+ dsl_sync_task_do_nowait(NULL, NULL, NULL, NULL, NULL, 0, NULL);
+ ],[
+ AC_DEFINE(HAVE_DSL_SYNC_TASK_DO_NOWAIT, 1,
+ [Have dsl_sync_task_do_nowait in ZFS])
+ ])
])
- EXTRA_KCFLAGS="$tmp_flags"
- rm build/conftest.i
-elif test -r $ZFS_DIR/META; then
- ZFS_RELEASE=$(awk '/Version/ { print [$]2 }' $ZFS_DIR/META)
-else
- AC_MSG_RESULT([unknown])
- AC_MSG_ERROR([Could not locate zfs_config.h or META to check release.])
-fi
-
-if test x$ZFS_RELEASE = x; then
- AC_MSG_RESULT([unknown])
- AC_MSG_ERROR([Could not determine zfs release.])
-fi
-
-AC_MSG_RESULT([$ZFS_RELEASE])
-AC_SUBST(ZFS_RELEASE)
-])
-#
-# LB_ZFS_DEFINE_OPTIONS
-#
-AC_DEFUN([LB_ZFS_DEFINE_OPTIONS],
-[
-AC_DEFINE(HAVE_ZFS_OSD, 1, Enable zfs osd)
+ AM_CONDITIONAL(ZFS_ENABLED, [test "x$enable_zfs" = xyes])
])