dnl #
-dnl # Default ZFS kernel configuration
+dnl # Default ZFS kernel configuration
dnl #
AC_DEFUN([ZFS_AC_CONFIG_KERNEL], [
ZFS_AC_KERNEL
ZFS_AC_SPL
+ ZFS_AC_QAT
ZFS_AC_TEST_MODULE
+ ZFS_AC_KERNEL_MISC_MINOR
+ ZFS_AC_KERNEL_OBJTOOL
ZFS_AC_KERNEL_CONFIG
+ ZFS_AC_KERNEL_DECLARE_EVENT_CLASS
+ ZFS_AC_KERNEL_CURRENT_BIO_TAIL
+ ZFS_AC_KERNEL_SUPER_USER_NS
+ ZFS_AC_KERNEL_SUBMIT_BIO
ZFS_AC_KERNEL_BDEV_BLOCK_DEVICE_OPERATIONS
ZFS_AC_KERNEL_BLOCK_DEVICE_OPERATIONS_RELEASE_VOID
ZFS_AC_KERNEL_TYPE_FMODE_T
- ZFS_AC_KERNEL_KOBJ_NAME_LEN
ZFS_AC_KERNEL_3ARG_BLKDEV_GET
ZFS_AC_KERNEL_BLKDEV_GET_BY_PATH
ZFS_AC_KERNEL_OPEN_BDEV_EXCLUSIVE
ZFS_AC_KERNEL_INVALIDATE_BDEV_ARGS
ZFS_AC_KERNEL_BDEV_LOGICAL_BLOCK_SIZE
ZFS_AC_KERNEL_BDEV_PHYSICAL_BLOCK_SIZE
- ZFS_AC_KERNEL_BIO_FAILFAST
+ ZFS_AC_KERNEL_BIO_BVEC_ITER
ZFS_AC_KERNEL_BIO_FAILFAST_DTD
+ ZFS_AC_KERNEL_BIO_SET_DEV
ZFS_AC_KERNEL_REQ_FAILFAST_MASK
+ ZFS_AC_KERNEL_REQ_OP_DISCARD
+ ZFS_AC_KERNEL_REQ_OP_SECURE_ERASE
+ ZFS_AC_KERNEL_REQ_OP_FLUSH
+ ZFS_AC_KERNEL_BIO_BI_OPF
ZFS_AC_KERNEL_BIO_END_IO_T_ARGS
- ZFS_AC_KERNEL_BIO_RW_SYNC
- ZFS_AC_KERNEL_BIO_RW_SYNCIO
- ZFS_AC_KERNEL_REQ_SYNC
- ZFS_AC_KERNEL_BLK_END_REQUEST
+ ZFS_AC_KERNEL_BIO_BI_STATUS
+ ZFS_AC_KERNEL_BIO_RW_BARRIER
+ ZFS_AC_KERNEL_BIO_RW_DISCARD
+ ZFS_AC_KERNEL_BLK_QUEUE_BDI
+ ZFS_AC_KERNEL_BLK_QUEUE_FLAG_CLEAR
+ ZFS_AC_KERNEL_BLK_QUEUE_FLAG_SET
ZFS_AC_KERNEL_BLK_QUEUE_FLUSH
ZFS_AC_KERNEL_BLK_QUEUE_MAX_HW_SECTORS
ZFS_AC_KERNEL_BLK_QUEUE_MAX_SEGMENTS
- ZFS_AC_KERNEL_BLK_QUEUE_PHYSICAL_BLOCK_SIZE
- ZFS_AC_KERNEL_BLK_QUEUE_IO_OPT
- ZFS_AC_KERNEL_BLK_QUEUE_NONROT
- ZFS_AC_KERNEL_BLK_QUEUE_DISCARD
- ZFS_AC_KERNEL_BLK_FETCH_REQUEST
- ZFS_AC_KERNEL_BLK_REQUEUE_REQUEST
- ZFS_AC_KERNEL_BLK_RQ_BYTES
- ZFS_AC_KERNEL_BLK_RQ_POS
- ZFS_AC_KERNEL_BLK_RQ_SECTORS
+ ZFS_AC_KERNEL_BLK_QUEUE_HAVE_BIO_RW_UNPLUG
+ ZFS_AC_KERNEL_BLK_QUEUE_HAVE_BLK_PLUG
+ ZFS_AC_KERNEL_GET_DISK_AND_MODULE
ZFS_AC_KERNEL_GET_DISK_RO
ZFS_AC_KERNEL_GET_GENDISK
- ZFS_AC_KERNEL_RQ_IS_SYNC
- ZFS_AC_KERNEL_RQ_FOR_EACH_SEGMENT
+ ZFS_AC_KERNEL_HAVE_BIO_SET_OP_ATTRS
+ ZFS_AC_KERNEL_GENERIC_READLINK_GLOBAL
ZFS_AC_KERNEL_DISCARD_GRANULARITY
ZFS_AC_KERNEL_CONST_XATTR_HANDLER
+ ZFS_AC_KERNEL_XATTR_HANDLER_NAME
ZFS_AC_KERNEL_XATTR_HANDLER_GET
ZFS_AC_KERNEL_XATTR_HANDLER_SET
ZFS_AC_KERNEL_XATTR_HANDLER_LIST
ZFS_AC_KERNEL_INODE_OWNER_OR_CAPABLE
ZFS_AC_KERNEL_POSIX_ACL_FROM_XATTR_USERNS
ZFS_AC_KERNEL_POSIX_ACL_RELEASE
+ ZFS_AC_KERNEL_SET_CACHED_ACL_USABLE
ZFS_AC_KERNEL_POSIX_ACL_CHMOD
- ZFS_AC_KERNEL_POSIX_ACL_CACHING
ZFS_AC_KERNEL_POSIX_ACL_EQUIV_MODE_WANTS_UMODE_T
+ ZFS_AC_KERNEL_POSIX_ACL_VALID_WITH_NS
ZFS_AC_KERNEL_INODE_OPERATIONS_PERMISSION
ZFS_AC_KERNEL_INODE_OPERATIONS_PERMISSION_WITH_NAMEIDATA
ZFS_AC_KERNEL_INODE_OPERATIONS_CHECK_ACL
ZFS_AC_KERNEL_INODE_OPERATIONS_CHECK_ACL_WITH_FLAGS
ZFS_AC_KERNEL_INODE_OPERATIONS_GET_ACL
- ZFS_AC_KERNEL_CURRENT_UMASK
+ ZFS_AC_KERNEL_INODE_OPERATIONS_SET_ACL
+ ZFS_AC_KERNEL_INODE_OPERATIONS_GETATTR
+ ZFS_AC_KERNEL_INODE_SET_FLAGS
+ ZFS_AC_KERNEL_INODE_SET_IVERSION
+ ZFS_AC_KERNEL_GET_ACL_HANDLE_CACHE
ZFS_AC_KERNEL_SHOW_OPTIONS
+ ZFS_AC_KERNEL_FILE_INODE
+ ZFS_AC_KERNEL_FILE_DENTRY
ZFS_AC_KERNEL_FSYNC
ZFS_AC_KERNEL_EVICT_INODE
ZFS_AC_KERNEL_DIRTY_INODE_WITH_FLAGS
ZFS_AC_KERNEL_NR_CACHED_OBJECTS
ZFS_AC_KERNEL_FREE_CACHED_OBJECTS
ZFS_AC_KERNEL_FALLOCATE
+ ZFS_AC_KERNEL_AIO_FSYNC
ZFS_AC_KERNEL_MKDIR_UMODE_T
ZFS_AC_KERNEL_LOOKUP_NAMEIDATA
ZFS_AC_KERNEL_CREATE_NAMEIDATA
+ ZFS_AC_KERNEL_GET_LINK
+ ZFS_AC_KERNEL_PUT_LINK
+ ZFS_AC_KERNEL_TMPFILE
ZFS_AC_KERNEL_TRUNCATE_RANGE
ZFS_AC_KERNEL_AUTOMOUNT
ZFS_AC_KERNEL_ENCODE_FH_WITH_INODE
ZFS_AC_KERNEL_COMMIT_METADATA
ZFS_AC_KERNEL_CLEAR_INODE
+ ZFS_AC_KERNEL_SETATTR_PREPARE
ZFS_AC_KERNEL_INSERT_INODE_LOCKED
ZFS_AC_KERNEL_D_MAKE_ROOT
ZFS_AC_KERNEL_D_OBTAIN_ALIAS
+ ZFS_AC_KERNEL_D_PRUNE_ALIASES
ZFS_AC_KERNEL_D_SET_D_OP
ZFS_AC_KERNEL_D_REVALIDATE_NAMEIDATA
ZFS_AC_KERNEL_CONST_DENTRY_OPERATIONS
- ZFS_AC_KERNEL_CHECK_DISK_SIZE_CHANGE
ZFS_AC_KERNEL_TRUNCATE_SETSIZE
ZFS_AC_KERNEL_6ARGS_SECURITY_INODE_INIT_SECURITY
ZFS_AC_KERNEL_CALLBACK_SECURITY_INODE_INIT_SECURITY
- ZFS_AC_KERNEL_MOUNT_NODEV
+ ZFS_AC_KERNEL_FST_MOUNT
ZFS_AC_KERNEL_SHRINK
+ ZFS_AC_KERNEL_SHRINK_CONTROL_HAS_NID
ZFS_AC_KERNEL_S_INSTANCES_LIST_HEAD
ZFS_AC_KERNEL_S_D_OP
ZFS_AC_KERNEL_BDI
- ZFS_AC_KERNEL_BDI_SETUP_AND_REGISTER
ZFS_AC_KERNEL_SET_NLINK
ZFS_AC_KERNEL_ELEVATOR_CHANGE
ZFS_AC_KERNEL_5ARG_SGET
ZFS_AC_KERNEL_LSEEK_EXECUTE
ZFS_AC_KERNEL_VFS_ITERATE
+ ZFS_AC_KERNEL_VFS_RW_ITERATE
+ ZFS_AC_KERNEL_GENERIC_WRITE_CHECKS
+ ZFS_AC_KERNEL_KMAP_ATOMIC_ARGS
+ ZFS_AC_KERNEL_FOLLOW_DOWN_ONE
+ ZFS_AC_KERNEL_MAKE_REQUEST_FN
+ ZFS_AC_KERNEL_GENERIC_IO_ACCT_3ARG
+ ZFS_AC_KERNEL_GENERIC_IO_ACCT_4ARG
+ ZFS_AC_KERNEL_FPU
+ ZFS_AC_KERNEL_KUID_HELPERS
+ ZFS_AC_KERNEL_MODULE_PARAM_CALL_CONST
+ ZFS_AC_KERNEL_RENAME_WANTS_FLAGS
+ ZFS_AC_KERNEL_HAVE_GENERIC_SETXATTR
+ ZFS_AC_KERNEL_CURRENT_TIME
+ ZFS_AC_KERNEL_GLOBAL_PAGE_STATE
+ ZFS_AC_KERNEL_ACL_HAS_REFCOUNT
+ ZFS_AC_KERNEL_USERNS_CAPABILITIES
AS_IF([test "$LINUX_OBJ" != "$LINUX"], [
- KERNELMAKE_PARAMS="$KERNELMAKE_PARAMS O=$LINUX_OBJ"
+ KERNEL_MAKE="$KERNEL_MAKE O=$LINUX_OBJ"
])
- AC_SUBST(KERNELMAKE_PARAMS)
-
- dnl # -Wall -fno-strict-aliasing -Wstrict-prototypes and other
- dnl # compiler options are added by the kernel build system.
- KERNELCPPFLAGS="$KERNELCPPFLAGS $NO_UNUSED_BUT_SET_VARIABLE"
- KERNELCPPFLAGS="$KERNELCPPFLAGS $NO_AGGRESSIVE_LOOP_OPTIMIZATIONS"
- KERNELCPPFLAGS="$KERNELCPPFLAGS -DHAVE_SPL -D_KERNEL"
- KERNELCPPFLAGS="$KERNELCPPFLAGS -DTEXT_DOMAIN=\\\"zfs-linux-kernel\\\""
-
- AC_SUBST(KERNELCPPFLAGS)
+ AC_SUBST(KERNEL_MAKE)
])
dnl #
AS_IF([test "$kernelsrc" = "NONE"], [
kernsrcver=NONE
])
+ withlinux=yes
])
AC_MSG_RESULT([$kernelsrc])
AC_MSG_CHECKING([kernel build directory])
AS_IF([test -z "$kernelbuild"], [
- AS_IF([test -e "/lib/modules/$(uname -r)/build"], [
+ AS_IF([test x$withlinux != xyes -a -e "/lib/modules/$(uname -r)/build"], [
kernelbuild=`readlink -f /lib/modules/$(uname -r)/build`
], [test -d ${kernelsrc}-obj/${target_cpu}/${target_cpu}], [
kernelbuild=${kernelsrc}-obj/${target_cpu}/${target_cpu}
AC_ARG_WITH([spl],
AS_HELP_STRING([--with-spl=PATH],
[Path to spl source]),
- [splsrc="$withval"])
+ AS_IF([test "$withval" = "yes"],
+ AC_MSG_ERROR([--with-spl=PATH requires a PATH]),
+ [splsrc="$withval"]))
AC_ARG_WITH([spl-obj],
AS_HELP_STRING([--with-spl-obj=PATH],
dnl # source directory. In order of preference:
dnl #
splsrc0="/var/lib/dkms/spl/${VERSION}/build"
- splsrc1="/usr/src/spl-${VERSION}/${LINUX_VERSION}"
- splsrc2="/usr/src/spl-${VERSION}"
- splsrc3="../spl/"
- splsrc4="$LINUX"
+ splsrc1="/usr/local/src/spl-${VERSION}/${LINUX_VERSION}"
+ splsrc2="/usr/local/src/spl-${VERSION}"
+ splsrc3="/usr/src/spl-${VERSION}/${LINUX_VERSION}"
+ splsrc4="/usr/src/spl-${VERSION}"
+ splsrc5="../spl/"
+ splsrc6="$LINUX"
AC_MSG_CHECKING([spl source directory])
AS_IF([test -z "${splsrc}"], [
+ [all_spl_sources="
+ ${splsrc0}
+ ${splsrc1}
+ ${splsrc2}
+ ${splsrc3}
+ ${splsrc4}
+ ${splsrc5}
+ ${splsrc6}"],
AS_IF([ test -e "${splsrc0}/spl.release.in"], [
splsrc=${splsrc0}
], [ test -e "${splsrc1}/spl.release.in"], [
splsrc=$(readlink -f "${splsrc3}")
], [ test -e "${splsrc4}/spl.release.in" ], [
splsrc=${splsrc4}
+ ], [ test -e "${splsrc5}/spl.release.in"], [
+ splsrc=$(readlink -f "${splsrc5}")
+ ], [ test -e "${splsrc6}/spl.release.in" ], [
+ splsrc=${splsrc6}
], [
splsrc="[Not found]"
])
], [
+ [all_spl_sources="$withval"],
AS_IF([test "$splsrc" = "NONE"], [
splbuild=NONE
splsrcver=NONE
AC_MSG_ERROR([
*** Please make sure the kmod spl devel package for your distribution
*** is installed then try again. If that fails you can specify the
- *** location of the spl source with the '--with-spl=PATH' option.])
+ *** location of the spl source with the '--with-spl=PATH' option.
+ *** The spl version must match the version of ZFS you are building,
+ *** ${VERSION}. Failed to find spl.release.in in the following:
+ $all_spl_sources])
])
dnl #
dnl # SPL package.
dnl #
AC_MSG_CHECKING([spl build directory])
+
+ all_spl_config_locs="${splsrc}/${LINUX_VERSION}
+ ${splsrc}"
+
while true; do
AS_IF([test -z "$splbuild"], [
AS_IF([ test -e "${splsrc}/${LINUX_VERSION}/spl_config.h" ], [
splbuild="${splsrc}/${LINUX_VERSION}"
], [ test -e "${splsrc}/spl_config.h" ], [
splbuild="${splsrc}"
+ ], [ find -L "${splsrc}" -name spl_config.h 2> /dev/null | grep -wq spl_config.h ], [
+ splbuild=$(find -L "${splsrc}" -name spl_config.h | sed 's,/spl_config.h,,')
], [
splbuild="[Not found]"
])
*** Please make sure the kmod spl devel <kernel> package for your
*** distribution is installed then try again. If that fails you
*** can specify the location of the spl objects with the
- *** '--with-spl-obj=PATH' option.])
+ *** '--with-spl-obj=PATH' option. Failed to find spl_config.h in
+ *** any of the following:
+ $all_spl_config_locs])
])
AC_MSG_CHECKING([spl source version])
AC_SUBST(SPL_SYMBOLS)
])
+dnl #
+dnl # Detect the QAT module to be built against
+dnl # QAT provides hardware acceleration for data compression:
+dnl # https://01.org/intel-quickassist-technology
+dnl # * Download and install QAT driver from the above link
+dnl # * Start QAT driver in your system:
+dnl # service qat_service start
+dnl # * Enable QAT in ZFS, e.g.:
+dnl # ./configure --with-qat=<qat-driver-path>/QAT1.6
+dnl # make
+dnl # * Set GZIP compression in ZFS dataset:
+dnl # zfs set compression = gzip <dataset>
+dnl # Then the data written to this ZFS pool is compressed
+dnl # by QAT accelerator automatically, and de-compressed by
+dnl # QAT when read from the pool.
+dnl # * Get QAT hardware statistics by:
+dnl # cat /proc/icp_dh895xcc_dev/qat
+dnl # * To disable QAT:
+dnl # insmod zfs.ko zfs_qat_disable=1
+dnl #
+AC_DEFUN([ZFS_AC_QAT], [
+ AC_ARG_WITH([qat],
+ AS_HELP_STRING([--with-qat=PATH],
+ [Path to qat source]),
+ AS_IF([test "$withval" = "yes"],
+ AC_MSG_ERROR([--with-qat=PATH requires a PATH]),
+ [qatsrc="$withval"]))
+
+ AC_ARG_WITH([qat-obj],
+ AS_HELP_STRING([--with-qat-obj=PATH],
+ [Path to qat build objects]),
+ [qatbuild="$withval"])
+
+ AS_IF([test ! -z "${qatsrc}"], [
+ AC_MSG_CHECKING([qat source directory])
+ AC_MSG_RESULT([$qatsrc])
+ QAT_SRC="${qatsrc}/quickassist"
+ AS_IF([ test ! -e "$QAT_SRC/include/cpa.h"], [
+ AC_MSG_ERROR([
+ *** Please make sure the qat driver package is installed
+ *** and specify the location of the qat source with the
+ *** '--with-qat=PATH' option then try again. Failed to
+ *** find cpa.h in:
+ ${QAT_SRC}/include])
+ ])
+ ])
+
+ AS_IF([test ! -z "${qatsrc}"], [
+ AC_MSG_CHECKING([qat build directory])
+ AS_IF([test -z "$qatbuild"], [
+ qatbuild="${qatsrc}/build"
+ ])
+
+ AC_MSG_RESULT([$qatbuild])
+ QAT_OBJ=${qatbuild}
+ AS_IF([ ! test -e "$QAT_OBJ/icp_qa_al.ko" && ! test -e "$QAT_OBJ/qat_api.ko"], [
+ AC_MSG_ERROR([
+ *** Please make sure the qat driver is installed then try again.
+ *** Failed to find icp_qa_al.ko or qat_api.ko in:
+ $QAT_OBJ])
+ ])
+
+ AC_SUBST(QAT_SRC)
+ AC_SUBST(QAT_OBJ)
+
+ AC_DEFINE(HAVE_QAT, 1,
+ [qat is enabled and existed])
+ ])
+
+ dnl #
+ dnl # Detect the name used for the QAT Module.symvers file.
+ dnl #
+ AS_IF([test ! -z "${qatsrc}"], [
+ AC_MSG_CHECKING([qat file for module symbols])
+ QAT_SYMBOLS=$QAT_SRC/lookaside/access_layer/src/Module.symvers
+
+ AS_IF([test -r $QAT_SYMBOLS], [
+ AC_MSG_RESULT([$QAT_SYMBOLS])
+ AC_SUBST(QAT_SYMBOLS)
+ ],[
+ AC_MSG_ERROR([
+ *** Please make sure the qat driver is installed then try again.
+ *** Failed to find Module.symvers in:
+ $QAT_SYMBOLS])
+ ])
+ ])
+ ])
+])
+
dnl #
dnl # Basic toolchain sanity check.
dnl #
-AC_DEFUN([ZFS_AC_TEST_MODULE],
- [AC_MSG_CHECKING([whether modules can be built])
+AC_DEFUN([ZFS_AC_TEST_MODULE], [
+ AC_MSG_CHECKING([whether modules can be built])
ZFS_LINUX_TRY_COMPILE([],[],[
AC_MSG_RESULT([yes])
],[
dnl # modules may be successfully built that behave incorrectly.
dnl #
AC_DEFUN([ZFS_AC_KERNEL_CONFIG], [
-
- AS_IF([test "$ZFS_META_LICENSE" = GPL], [
- AC_DEFINE([HAVE_GPL_ONLY_SYMBOLS], [1],
- [Define to 1 if licensed under the GPL])
+ AS_IF([test "x$cross_compiling" != xyes], [
+ AC_RUN_IFELSE([
+ AC_LANG_PROGRAM([
+ #include "$LINUX/include/linux/license.h"
+ ], [
+ return !license_is_gpl_compatible("$ZFS_META_LICENSE");
+ ])
+ ], [
+ AC_DEFINE([ZFS_IS_GPL_COMPATIBLE], [1],
+ [Define to 1 if GPL-only symbols can be used])
+ ], [
+ ])
])
+ ZFS_AC_KERNEL_CONFIG_THREAD_SIZE
ZFS_AC_KERNEL_CONFIG_DEBUG_LOCK_ALLOC
])
+dnl #
+dnl # Check configured THREAD_SIZE
+dnl #
+dnl # The stack size will vary by architecture, but as of Linux 3.15 on x86_64
+dnl # the default thread stack size was increased to 16K from 8K. Therefore,
+dnl # on newer kernels and some architectures stack usage optimizations can be
+dnl # conditionally applied to improve performance without negatively impacting
+dnl # stability.
+dnl #
+AC_DEFUN([ZFS_AC_KERNEL_CONFIG_THREAD_SIZE], [
+ AC_MSG_CHECKING([whether kernel was built with 16K or larger stacks])
+ ZFS_LINUX_TRY_COMPILE([
+ #include <linux/module.h>
+ ],[
+ #if (THREAD_SIZE < 16384)
+ #error "THREAD_SIZE is less than 16K"
+ #endif
+ ],[
+ AC_MSG_RESULT([yes])
+ AC_DEFINE(HAVE_LARGE_STACKS, 1, [kernel has large stacks])
+ ],[
+ AC_MSG_RESULT([no])
+ ])
+])
+
dnl #
dnl # Check CONFIG_DEBUG_LOCK_ALLOC
dnl #
])
dnl #
-dnl # ZFS_LINUX_CONFTEST
+dnl # ZFS_LINUX_CONFTEST_H
+dnl #
+AC_DEFUN([ZFS_LINUX_CONFTEST_H], [
+cat - <<_ACEOF >conftest.h
+$1
+_ACEOF
+])
+
+dnl #
+dnl # ZFS_LINUX_CONFTEST_C
dnl #
-AC_DEFUN([ZFS_LINUX_CONFTEST], [
+AC_DEFUN([ZFS_LINUX_CONFTEST_C], [
cat confdefs.h - <<_ACEOF >conftest.c
$1
_ACEOF
dnl # ZFS_LINUX_COMPILE_IFELSE / like AC_COMPILE_IFELSE
dnl #
AC_DEFUN([ZFS_LINUX_COMPILE_IFELSE], [
- m4_ifvaln([$1], [ZFS_LINUX_CONFTEST([$1])])
+ m4_ifvaln([$1], [ZFS_LINUX_CONFTEST_C([$1])])
+ m4_ifvaln([$6], [ZFS_LINUX_CONFTEST_H([$6])], [ZFS_LINUX_CONFTEST_H([])])
rm -Rf build && mkdir -p build && touch build/conftest.mod.c
echo "obj-m := conftest.o" >build/Makefile
modpost_flag=''
test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
AS_IF(
- [AC_TRY_COMMAND(cp conftest.c build && make [$2] -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag) >/dev/null && AC_TRY_COMMAND([$3])],
+ [AC_TRY_COMMAND(cp conftest.c conftest.h build && make [$2] -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $FRAME_LARGER_THAN $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag) >/dev/null && AC_TRY_COMMAND([$3])],
[$4],
[_AC_MSG_LOG_CONFTEST m4_ifvaln([$5],[$5])]
)
dnl # ZFS_LINUX_CONFIG
dnl #
AC_DEFUN([ZFS_LINUX_CONFIG],
- [AC_MSG_CHECKING([whether Linux was built with CONFIG_$1])
+ [AC_MSG_CHECKING([whether kernel was built with CONFIG_$1])
ZFS_LINUX_TRY_COMPILE([
#include <linux/module.h>
],[
fi
fi
])
+
+dnl #
+dnl # ZFS_LINUX_TRY_COMPILE_HEADER
+dnl # like ZFS_LINUX_TRY_COMPILE, except the contents conftest.h are
+dnl # provided via the fifth parameter
+dnl #
+AC_DEFUN([ZFS_LINUX_TRY_COMPILE_HEADER],
+ [ZFS_LINUX_COMPILE_IFELSE(
+ [AC_LANG_SOURCE([ZFS_LANG_PROGRAM([[$1]], [[$2]])])],
+ [modules],
+ [test -s build/conftest.o],
+ [$3], [$4], [$5])
+])
projects / zfs / blobdiff