mirror of
https://git.proxmox.com/git/mirror_zfs.git
synced 2024-11-17 10:01:01 +03:00
58211157bf
Linux 6.8 removes generic_copy_file_range(), which had been reduced to a
simple wrapper around splice_copy_file_range(). Detect that function
directly and use it if generic_ is not available.
Sponsored-by: https://despairlabs.com/sponsor/
Reviewed-by: Tony Hutter <hutter2@llnl.gov>
Reviewed by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Rob Norris <robn@despairlabs.com>
Closes #15930
Closes #15931
(cherry picked from commit ef08a4d406)
1045 lines
29 KiB
Plaintext
1045 lines
29 KiB
Plaintext
dnl #
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dnl # Default ZFS kernel configuration
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dnl #
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AC_DEFUN([ZFS_AC_CONFIG_KERNEL], [
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AM_COND_IF([BUILD_LINUX], [
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dnl # Setup the kernel build environment.
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ZFS_AC_KERNEL
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ZFS_AC_QAT
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dnl # Sanity checks for module building and CONFIG_* defines
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ZFS_AC_KERNEL_CONFIG_DEFINED
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ZFS_AC_MODULE_SYMVERS
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dnl # Sequential ZFS_LINUX_TRY_COMPILE tests
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ZFS_AC_KERNEL_FPU_HEADER
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ZFS_AC_KERNEL_OBJTOOL_HEADER
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ZFS_AC_KERNEL_WAIT_QUEUE_ENTRY_T
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ZFS_AC_KERNEL_MISC_MINOR
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ZFS_AC_KERNEL_DECLARE_EVENT_CLASS
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dnl # Parallel ZFS_LINUX_TEST_SRC / ZFS_LINUX_TEST_RESULT tests
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ZFS_AC_KERNEL_TEST_SRC
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ZFS_AC_KERNEL_TEST_RESULT
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AS_IF([test "$LINUX_OBJ" != "$LINUX"], [
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KERNEL_MAKE="$KERNEL_MAKE O=$LINUX_OBJ"
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])
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AC_SUBST(KERNEL_MAKE)
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])
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])
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dnl #
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dnl # Generate and compile all of the kernel API test cases to determine
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dnl # which interfaces are available. By invoking the kernel build system
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dnl # only once the compilation can be done in parallel significantly
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dnl # speeding up the process.
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dnl #
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AC_DEFUN([ZFS_AC_KERNEL_TEST_SRC], [
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ZFS_AC_KERNEL_SRC_OBJTOOL
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ZFS_AC_KERNEL_SRC_GLOBAL_PAGE_STATE
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ZFS_AC_KERNEL_SRC_ACCESS_OK_TYPE
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ZFS_AC_KERNEL_SRC_PDE_DATA
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ZFS_AC_KERNEL_SRC_FALLOCATE
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ZFS_AC_KERNEL_SRC_FADVISE
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ZFS_AC_KERNEL_SRC_GENERIC_FADVISE
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ZFS_AC_KERNEL_SRC_2ARGS_ZLIB_DEFLATE_WORKSPACESIZE
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ZFS_AC_KERNEL_SRC_RWSEM
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ZFS_AC_KERNEL_SRC_SCHED
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ZFS_AC_KERNEL_SRC_USLEEP_RANGE
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ZFS_AC_KERNEL_SRC_KMEM_CACHE
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ZFS_AC_KERNEL_SRC_KVMALLOC
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ZFS_AC_KERNEL_SRC_VMALLOC_PAGE_KERNEL
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ZFS_AC_KERNEL_SRC_WAIT
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ZFS_AC_KERNEL_SRC_INODE_TIMES
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ZFS_AC_KERNEL_SRC_INODE_LOCK
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ZFS_AC_KERNEL_SRC_GROUP_INFO_GID
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ZFS_AC_KERNEL_SRC_RW
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ZFS_AC_KERNEL_SRC_TIMER_SETUP
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ZFS_AC_KERNEL_SRC_SUPER_USER_NS
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ZFS_AC_KERNEL_SRC_PROC_OPERATIONS
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ZFS_AC_KERNEL_SRC_BLOCK_DEVICE_OPERATIONS
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ZFS_AC_KERNEL_SRC_BIO
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ZFS_AC_KERNEL_SRC_BLKDEV
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ZFS_AC_KERNEL_SRC_BLK_QUEUE
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ZFS_AC_KERNEL_SRC_GENHD_FLAGS
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ZFS_AC_KERNEL_SRC_REVALIDATE_DISK
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ZFS_AC_KERNEL_SRC_GET_DISK_RO
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ZFS_AC_KERNEL_SRC_GENERIC_READLINK_GLOBAL
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ZFS_AC_KERNEL_SRC_DISCARD_GRANULARITY
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ZFS_AC_KERNEL_SRC_INODE_OWNER_OR_CAPABLE
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ZFS_AC_KERNEL_SRC_XATTR
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ZFS_AC_KERNEL_SRC_ACL
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ZFS_AC_KERNEL_SRC_INODE_SETATTR
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ZFS_AC_KERNEL_SRC_INODE_GETATTR
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ZFS_AC_KERNEL_SRC_INODE_SET_FLAGS
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ZFS_AC_KERNEL_SRC_INODE_SET_IVERSION
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ZFS_AC_KERNEL_SRC_SHOW_OPTIONS
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ZFS_AC_KERNEL_SRC_FILE_INODE
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ZFS_AC_KERNEL_SRC_FILE_DENTRY
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ZFS_AC_KERNEL_SRC_FSYNC
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ZFS_AC_KERNEL_SRC_AIO_FSYNC
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ZFS_AC_KERNEL_SRC_EVICT_INODE
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ZFS_AC_KERNEL_SRC_DIRTY_INODE
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ZFS_AC_KERNEL_SRC_SHRINKER
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ZFS_AC_KERNEL_SRC_MKDIR
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ZFS_AC_KERNEL_SRC_LOOKUP_FLAGS
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ZFS_AC_KERNEL_SRC_CREATE
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ZFS_AC_KERNEL_SRC_PERMISSION
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ZFS_AC_KERNEL_SRC_GET_LINK
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ZFS_AC_KERNEL_SRC_PUT_LINK
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ZFS_AC_KERNEL_SRC_TMPFILE
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ZFS_AC_KERNEL_SRC_AUTOMOUNT
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ZFS_AC_KERNEL_SRC_ENCODE_FH_WITH_INODE
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ZFS_AC_KERNEL_SRC_COMMIT_METADATA
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ZFS_AC_KERNEL_SRC_CLEAR_INODE
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ZFS_AC_KERNEL_SRC_SETATTR_PREPARE
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ZFS_AC_KERNEL_SRC_INSERT_INODE_LOCKED
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ZFS_AC_KERNEL_SRC_DENTRY
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ZFS_AC_KERNEL_SRC_DENTRY_ALIAS_D_U
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ZFS_AC_KERNEL_SRC_TRUNCATE_SETSIZE
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ZFS_AC_KERNEL_SRC_SECURITY_INODE
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ZFS_AC_KERNEL_SRC_FST_MOUNT
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ZFS_AC_KERNEL_SRC_BDI
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ZFS_AC_KERNEL_SRC_SET_NLINK
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ZFS_AC_KERNEL_SRC_SGET
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ZFS_AC_KERNEL_SRC_LSEEK_EXECUTE
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ZFS_AC_KERNEL_SRC_VFS_FILEMAP_DIRTY_FOLIO
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ZFS_AC_KERNEL_SRC_VFS_READ_FOLIO
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ZFS_AC_KERNEL_SRC_VFS_GETATTR
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ZFS_AC_KERNEL_SRC_VFS_FSYNC_2ARGS
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ZFS_AC_KERNEL_SRC_VFS_ITERATE
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ZFS_AC_KERNEL_SRC_VFS_DIRECT_IO
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ZFS_AC_KERNEL_SRC_VFS_READPAGES
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ZFS_AC_KERNEL_SRC_VFS_SET_PAGE_DIRTY_NOBUFFERS
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ZFS_AC_KERNEL_SRC_VFS_RW_ITERATE
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ZFS_AC_KERNEL_SRC_VFS_GENERIC_WRITE_CHECKS
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ZFS_AC_KERNEL_SRC_VFS_IOV_ITER
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ZFS_AC_KERNEL_SRC_VFS_COPY_FILE_RANGE
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ZFS_AC_KERNEL_SRC_VFS_GENERIC_COPY_FILE_RANGE
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ZFS_AC_KERNEL_SRC_VFS_SPLICE_COPY_FILE_RANGE
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ZFS_AC_KERNEL_SRC_VFS_REMAP_FILE_RANGE
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ZFS_AC_KERNEL_SRC_VFS_CLONE_FILE_RANGE
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ZFS_AC_KERNEL_SRC_VFS_DEDUPE_FILE_RANGE
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ZFS_AC_KERNEL_SRC_VFS_FILE_OPERATIONS_EXTEND
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ZFS_AC_KERNEL_SRC_KMAP_ATOMIC_ARGS
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ZFS_AC_KERNEL_SRC_FOLLOW_DOWN_ONE
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ZFS_AC_KERNEL_SRC_MAKE_REQUEST_FN
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ZFS_AC_KERNEL_SRC_GENERIC_IO_ACCT
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ZFS_AC_KERNEL_SRC_FPU
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ZFS_AC_KERNEL_SRC_FMODE_T
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ZFS_AC_KERNEL_SRC_KUIDGID_T
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ZFS_AC_KERNEL_SRC_KUID_HELPERS
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ZFS_AC_KERNEL_SRC_RENAME
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ZFS_AC_KERNEL_SRC_CURRENT_TIME
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ZFS_AC_KERNEL_SRC_USERNS_CAPABILITIES
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ZFS_AC_KERNEL_SRC_IN_COMPAT_SYSCALL
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ZFS_AC_KERNEL_SRC_KTIME
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ZFS_AC_KERNEL_SRC_TOTALRAM_PAGES_FUNC
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ZFS_AC_KERNEL_SRC_TOTALHIGH_PAGES
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ZFS_AC_KERNEL_SRC_KSTRTOUL
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ZFS_AC_KERNEL_SRC_PERCPU
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ZFS_AC_KERNEL_SRC_CPU_HOTPLUG
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ZFS_AC_KERNEL_SRC_GENERIC_FILLATTR
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ZFS_AC_KERNEL_SRC_MKNOD
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ZFS_AC_KERNEL_SRC_SYMLINK
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ZFS_AC_KERNEL_SRC_BIO_MAX_SEGS
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ZFS_AC_KERNEL_SRC_SIGNAL_STOP
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ZFS_AC_KERNEL_SRC_SIGINFO
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ZFS_AC_KERNEL_SRC_SYSFS
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ZFS_AC_KERNEL_SRC_SET_SPECIAL_STATE
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ZFS_AC_KERNEL_SRC_STANDALONE_LINUX_STDARG
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ZFS_AC_KERNEL_SRC_STRLCPY
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ZFS_AC_KERNEL_SRC_STRSCPY
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ZFS_AC_KERNEL_SRC_PAGEMAP_FOLIO_WAIT_BIT
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ZFS_AC_KERNEL_SRC_ADD_DISK
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ZFS_AC_KERNEL_SRC_KTHREAD
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ZFS_AC_KERNEL_SRC_ZERO_PAGE
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ZFS_AC_KERNEL_SRC___COPY_FROM_USER_INATOMIC
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ZFS_AC_KERNEL_SRC_USER_NS_COMMON_INUM
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ZFS_AC_KERNEL_SRC_IDMAP_MNT_API
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ZFS_AC_KERNEL_SRC_IDMAP_NO_USERNS
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ZFS_AC_KERNEL_SRC_IATTR_VFSID
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ZFS_AC_KERNEL_SRC_FILEMAP
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ZFS_AC_KERNEL_SRC_WRITEPAGE_T
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ZFS_AC_KERNEL_SRC_RECLAIMED
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ZFS_AC_KERNEL_SRC_REGISTER_SYSCTL_TABLE
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ZFS_AC_KERNEL_SRC_COPY_SPLICE_READ
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ZFS_AC_KERNEL_SRC_SYNC_BDEV
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case "$host_cpu" in
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powerpc*)
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ZFS_AC_KERNEL_SRC_CPU_HAS_FEATURE
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ZFS_AC_KERNEL_SRC_FLUSH_DCACHE_PAGE
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;;
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riscv*)
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ZFS_AC_KERNEL_SRC_FLUSH_DCACHE_PAGE
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;;
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esac
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AC_MSG_CHECKING([for available kernel interfaces])
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ZFS_LINUX_TEST_COMPILE_ALL([kabi])
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AC_MSG_RESULT([done])
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])
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dnl #
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dnl # Check results of kernel interface tests.
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dnl #
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AC_DEFUN([ZFS_AC_KERNEL_TEST_RESULT], [
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ZFS_AC_KERNEL_ACCESS_OK_TYPE
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ZFS_AC_KERNEL_GLOBAL_PAGE_STATE
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ZFS_AC_KERNEL_OBJTOOL
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ZFS_AC_KERNEL_PDE_DATA
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ZFS_AC_KERNEL_FALLOCATE
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ZFS_AC_KERNEL_FADVISE
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ZFS_AC_KERNEL_GENERIC_FADVISE
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ZFS_AC_KERNEL_2ARGS_ZLIB_DEFLATE_WORKSPACESIZE
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ZFS_AC_KERNEL_RWSEM
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ZFS_AC_KERNEL_SCHED
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ZFS_AC_KERNEL_USLEEP_RANGE
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ZFS_AC_KERNEL_KMEM_CACHE
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ZFS_AC_KERNEL_KVMALLOC
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ZFS_AC_KERNEL_VMALLOC_PAGE_KERNEL
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ZFS_AC_KERNEL_WAIT
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ZFS_AC_KERNEL_INODE_TIMES
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ZFS_AC_KERNEL_INODE_LOCK
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ZFS_AC_KERNEL_GROUP_INFO_GID
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ZFS_AC_KERNEL_RW
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ZFS_AC_KERNEL_TIMER_SETUP
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ZFS_AC_KERNEL_SUPER_USER_NS
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ZFS_AC_KERNEL_PROC_OPERATIONS
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ZFS_AC_KERNEL_BLOCK_DEVICE_OPERATIONS
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ZFS_AC_KERNEL_BIO
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ZFS_AC_KERNEL_BLKDEV
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ZFS_AC_KERNEL_BLK_QUEUE
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ZFS_AC_KERNEL_GENHD_FLAGS
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ZFS_AC_KERNEL_REVALIDATE_DISK
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ZFS_AC_KERNEL_GET_DISK_RO
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ZFS_AC_KERNEL_GENERIC_READLINK_GLOBAL
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ZFS_AC_KERNEL_DISCARD_GRANULARITY
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ZFS_AC_KERNEL_INODE_OWNER_OR_CAPABLE
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ZFS_AC_KERNEL_XATTR
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ZFS_AC_KERNEL_ACL
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ZFS_AC_KERNEL_INODE_SETATTR
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ZFS_AC_KERNEL_INODE_GETATTR
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ZFS_AC_KERNEL_INODE_SET_FLAGS
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ZFS_AC_KERNEL_INODE_SET_IVERSION
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ZFS_AC_KERNEL_SHOW_OPTIONS
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ZFS_AC_KERNEL_FILE_INODE
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ZFS_AC_KERNEL_FILE_DENTRY
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ZFS_AC_KERNEL_FSYNC
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ZFS_AC_KERNEL_AIO_FSYNC
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ZFS_AC_KERNEL_EVICT_INODE
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ZFS_AC_KERNEL_DIRTY_INODE
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ZFS_AC_KERNEL_SHRINKER
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ZFS_AC_KERNEL_MKDIR
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ZFS_AC_KERNEL_LOOKUP_FLAGS
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ZFS_AC_KERNEL_CREATE
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ZFS_AC_KERNEL_PERMISSION
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ZFS_AC_KERNEL_GET_LINK
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ZFS_AC_KERNEL_PUT_LINK
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ZFS_AC_KERNEL_TMPFILE
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ZFS_AC_KERNEL_AUTOMOUNT
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ZFS_AC_KERNEL_ENCODE_FH_WITH_INODE
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ZFS_AC_KERNEL_COMMIT_METADATA
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ZFS_AC_KERNEL_CLEAR_INODE
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ZFS_AC_KERNEL_SETATTR_PREPARE
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ZFS_AC_KERNEL_INSERT_INODE_LOCKED
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ZFS_AC_KERNEL_DENTRY
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ZFS_AC_KERNEL_DENTRY_ALIAS_D_U
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ZFS_AC_KERNEL_TRUNCATE_SETSIZE
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ZFS_AC_KERNEL_SECURITY_INODE
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ZFS_AC_KERNEL_FST_MOUNT
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ZFS_AC_KERNEL_BDI
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ZFS_AC_KERNEL_SET_NLINK
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ZFS_AC_KERNEL_SGET
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ZFS_AC_KERNEL_LSEEK_EXECUTE
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ZFS_AC_KERNEL_VFS_FILEMAP_DIRTY_FOLIO
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ZFS_AC_KERNEL_VFS_READ_FOLIO
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ZFS_AC_KERNEL_VFS_GETATTR
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ZFS_AC_KERNEL_VFS_FSYNC_2ARGS
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ZFS_AC_KERNEL_VFS_ITERATE
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ZFS_AC_KERNEL_VFS_DIRECT_IO
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ZFS_AC_KERNEL_VFS_READPAGES
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ZFS_AC_KERNEL_VFS_SET_PAGE_DIRTY_NOBUFFERS
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ZFS_AC_KERNEL_VFS_RW_ITERATE
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ZFS_AC_KERNEL_VFS_GENERIC_WRITE_CHECKS
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ZFS_AC_KERNEL_VFS_IOV_ITER
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ZFS_AC_KERNEL_VFS_COPY_FILE_RANGE
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ZFS_AC_KERNEL_VFS_GENERIC_COPY_FILE_RANGE
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ZFS_AC_KERNEL_VFS_SPLICE_COPY_FILE_RANGE
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ZFS_AC_KERNEL_VFS_REMAP_FILE_RANGE
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ZFS_AC_KERNEL_VFS_CLONE_FILE_RANGE
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ZFS_AC_KERNEL_VFS_DEDUPE_FILE_RANGE
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ZFS_AC_KERNEL_VFS_FILE_OPERATIONS_EXTEND
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ZFS_AC_KERNEL_KMAP_ATOMIC_ARGS
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ZFS_AC_KERNEL_FOLLOW_DOWN_ONE
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ZFS_AC_KERNEL_MAKE_REQUEST_FN
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ZFS_AC_KERNEL_GENERIC_IO_ACCT
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ZFS_AC_KERNEL_FPU
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ZFS_AC_KERNEL_FMODE_T
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ZFS_AC_KERNEL_KUIDGID_T
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ZFS_AC_KERNEL_KUID_HELPERS
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ZFS_AC_KERNEL_RENAME
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ZFS_AC_KERNEL_CURRENT_TIME
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ZFS_AC_KERNEL_USERNS_CAPABILITIES
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ZFS_AC_KERNEL_IN_COMPAT_SYSCALL
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ZFS_AC_KERNEL_KTIME
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ZFS_AC_KERNEL_TOTALRAM_PAGES_FUNC
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ZFS_AC_KERNEL_TOTALHIGH_PAGES
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ZFS_AC_KERNEL_KSTRTOUL
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ZFS_AC_KERNEL_PERCPU
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ZFS_AC_KERNEL_CPU_HOTPLUG
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ZFS_AC_KERNEL_GENERIC_FILLATTR
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ZFS_AC_KERNEL_MKNOD
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ZFS_AC_KERNEL_SYMLINK
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ZFS_AC_KERNEL_BIO_MAX_SEGS
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ZFS_AC_KERNEL_SIGNAL_STOP
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ZFS_AC_KERNEL_SIGINFO
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ZFS_AC_KERNEL_SYSFS
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ZFS_AC_KERNEL_SET_SPECIAL_STATE
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ZFS_AC_KERNEL_STANDALONE_LINUX_STDARG
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ZFS_AC_KERNEL_STRLCPY
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ZFS_AC_KERNEL_STRSCPY
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ZFS_AC_KERNEL_PAGEMAP_FOLIO_WAIT_BIT
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ZFS_AC_KERNEL_ADD_DISK
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ZFS_AC_KERNEL_KTHREAD
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ZFS_AC_KERNEL_ZERO_PAGE
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ZFS_AC_KERNEL___COPY_FROM_USER_INATOMIC
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ZFS_AC_KERNEL_USER_NS_COMMON_INUM
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ZFS_AC_KERNEL_IDMAP_MNT_API
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ZFS_AC_KERNEL_IDMAP_NO_USERNS
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ZFS_AC_KERNEL_IATTR_VFSID
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ZFS_AC_KERNEL_FILEMAP
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ZFS_AC_KERNEL_WRITEPAGE_T
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ZFS_AC_KERNEL_RECLAIMED
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ZFS_AC_KERNEL_REGISTER_SYSCTL_TABLE
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ZFS_AC_KERNEL_COPY_SPLICE_READ
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ZFS_AC_KERNEL_SYNC_BDEV
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case "$host_cpu" in
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powerpc*)
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ZFS_AC_KERNEL_CPU_HAS_FEATURE
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ZFS_AC_KERNEL_FLUSH_DCACHE_PAGE
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;;
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riscv*)
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ZFS_AC_KERNEL_FLUSH_DCACHE_PAGE
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;;
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esac
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])
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|
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dnl #
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dnl # Detect name used for Module.symvers file in kernel
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dnl #
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AC_DEFUN([ZFS_AC_MODULE_SYMVERS], [
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modpost=$LINUX/scripts/Makefile.modpost
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AC_MSG_CHECKING([kernel file name for module symbols])
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AS_IF([test "x$enable_linux_builtin" != xyes -a -f "$modpost"], [
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AS_IF([grep -q Modules.symvers $modpost], [
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LINUX_SYMBOLS=Modules.symvers
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], [
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LINUX_SYMBOLS=Module.symvers
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])
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|
AS_IF([test ! -f "$LINUX_OBJ/$LINUX_SYMBOLS"], [
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AC_MSG_ERROR([
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*** Please make sure the kernel devel package for your distribution
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*** is installed. If you are building with a custom kernel, make sure
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*** the kernel is configured, built, and the '--with-linux=PATH'
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*** configure option refers to the location of the kernel source.
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])
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])
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], [
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LINUX_SYMBOLS=NONE
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])
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AC_MSG_RESULT($LINUX_SYMBOLS)
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AC_SUBST(LINUX_SYMBOLS)
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])
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|
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dnl #
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|
dnl # Detect the kernel to be built against
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dnl #
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dnl # Most modern Linux distributions have separate locations for bare
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dnl # source (source) and prebuilt (build) files. Additionally, there are
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dnl # `source` and `build` symlinks in `/lib/modules/$(KERNEL_VERSION)`
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dnl # pointing to them. The directory search order is now:
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dnl #
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|
dnl # - `configure` command line values if both `--with-linux` and
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|
dnl # `--with-linux-obj` were defined
|
|
dnl #
|
|
dnl # - If only `--with-linux` was defined, `--with-linux-obj` is assumed
|
|
dnl # to have the same value as `--with-linux`
|
|
dnl #
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|
dnl # - If neither `--with-linux` nor `--with-linux-obj` were defined
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|
dnl # autodetection is used:
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|
dnl #
|
|
dnl # - `/lib/modules/$(uname -r)/{source,build}` respectively, if exist.
|
|
dnl #
|
|
dnl # - If only `/lib/modules/$(uname -r)/build` exists, it is assumed
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dnl # to be both source and build directory.
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|
dnl #
|
|
dnl # - The first directory in `/lib/modules` with the highest version
|
|
dnl # number according to `sort -V` which contains both `source` and
|
|
dnl # `build` symlinks/directories. If module directory contains only
|
|
dnl # `build` component, it is assumed to be both source and build
|
|
dnl # directory.
|
|
dnl #
|
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dnl # - Last resort: the first directory matching `/usr/src/kernels/*`
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|
dnl # and `/usr/src/linux-*` with the highest version number according
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dnl # to `sort -V` is assumed to be both source and build directory.
|
|
dnl #
|
|
AC_DEFUN([ZFS_AC_KERNEL], [
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AC_ARG_WITH([linux],
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AS_HELP_STRING([--with-linux=PATH],
|
|
[Path to kernel source]),
|
|
[kernelsrc="$withval"])
|
|
|
|
AC_ARG_WITH(linux-obj,
|
|
AS_HELP_STRING([--with-linux-obj=PATH],
|
|
[Path to kernel build objects]),
|
|
[kernelbuild="$withval"])
|
|
|
|
AC_MSG_CHECKING([kernel source and build directories])
|
|
AS_IF([test -n "$kernelsrc" && test -z "$kernelbuild"], [
|
|
kernelbuild="$kernelsrc"
|
|
], [test -z "$kernelsrc"], [
|
|
AS_IF([test -e "/lib/modules/$(uname -r)/source" && \
|
|
test -e "/lib/modules/$(uname -r)/build"], [
|
|
src="/lib/modules/$(uname -r)/source"
|
|
build="/lib/modules/$(uname -r)/build"
|
|
], [test -e "/lib/modules/$(uname -r)/build"], [
|
|
build="/lib/modules/$(uname -r)/build"
|
|
src="$build"
|
|
], [
|
|
src=
|
|
|
|
for d in $(ls -1d /lib/modules/* 2>/dev/null | sort -Vr); do
|
|
if test -e "$d/source" && test -e "$d/build"; then
|
|
src="$d/source"
|
|
build="$d/build"
|
|
break
|
|
fi
|
|
|
|
if test -e "$d/build"; then
|
|
src="$d/build"
|
|
build="$d/build"
|
|
break
|
|
fi
|
|
done
|
|
|
|
# the least reliable method
|
|
if test -z "$src"; then
|
|
src=$(ls -1d /usr/src/kernels/* /usr/src/linux-* \
|
|
2>/dev/null | grep -v obj | sort -Vr | head -1)
|
|
build="$src"
|
|
fi
|
|
])
|
|
|
|
AS_IF([test -n "$src" && test -e "$src"], [
|
|
kernelsrc=$(readlink -e "$src")
|
|
], [
|
|
kernelsrc="[Not found]"
|
|
])
|
|
AS_IF([test -n "$build" && test -e "$build"], [
|
|
kernelbuild=$(readlink -e "$build")
|
|
], [
|
|
kernelbuild="[Not found]"
|
|
])
|
|
], [
|
|
AS_IF([test "$kernelsrc" = "NONE"], [
|
|
kernsrcver=NONE
|
|
])
|
|
withlinux=yes
|
|
])
|
|
|
|
AC_MSG_RESULT([done])
|
|
AC_MSG_CHECKING([kernel source directory])
|
|
AC_MSG_RESULT([$kernelsrc])
|
|
AC_MSG_CHECKING([kernel build directory])
|
|
AC_MSG_RESULT([$kernelbuild])
|
|
AS_IF([test ! -d "$kernelsrc" || test ! -d "$kernelbuild"], [
|
|
AC_MSG_ERROR([
|
|
*** Please make sure the kernel devel package for your distribution
|
|
*** is installed and then try again. If that fails, you can specify the
|
|
*** location of the kernel source and build with the '--with-linux=PATH' and
|
|
*** '--with-linux-obj=PATH' options respectively.])
|
|
])
|
|
|
|
AC_MSG_CHECKING([kernel source version])
|
|
utsrelease1=$kernelbuild/include/linux/version.h
|
|
utsrelease2=$kernelbuild/include/linux/utsrelease.h
|
|
utsrelease3=$kernelbuild/include/generated/utsrelease.h
|
|
AS_IF([test -r $utsrelease1 && grep -qF UTS_RELEASE $utsrelease1], [
|
|
utsrelease=$utsrelease1
|
|
], [test -r $utsrelease2 && grep -qF UTS_RELEASE $utsrelease2], [
|
|
utsrelease=$utsrelease2
|
|
], [test -r $utsrelease3 && grep -qF UTS_RELEASE $utsrelease3], [
|
|
utsrelease=$utsrelease3
|
|
])
|
|
|
|
AS_IF([test -n "$utsrelease"], [
|
|
kernsrcver=$($AWK '/UTS_RELEASE/ { gsub(/"/, "", $[3]); print $[3] }' $utsrelease)
|
|
AS_IF([test -z "$kernsrcver"], [
|
|
AC_MSG_RESULT([Not found])
|
|
AC_MSG_ERROR([
|
|
*** Cannot determine kernel version.
|
|
])
|
|
])
|
|
], [
|
|
AC_MSG_RESULT([Not found])
|
|
if test "x$enable_linux_builtin" != xyes; then
|
|
AC_MSG_ERROR([
|
|
*** Cannot find UTS_RELEASE definition.
|
|
])
|
|
else
|
|
AC_MSG_ERROR([
|
|
*** Cannot find UTS_RELEASE definition.
|
|
*** Please run 'make prepare' inside the kernel source tree.])
|
|
fi
|
|
])
|
|
|
|
AC_MSG_RESULT([$kernsrcver])
|
|
|
|
AS_VERSION_COMPARE([$kernsrcver], [$ZFS_META_KVER_MIN], [
|
|
AC_MSG_ERROR([
|
|
*** Cannot build against kernel version $kernsrcver.
|
|
*** The minimum supported kernel version is $ZFS_META_KVER_MIN.
|
|
])
|
|
])
|
|
|
|
LINUX=${kernelsrc}
|
|
LINUX_OBJ=${kernelbuild}
|
|
LINUX_VERSION=${kernsrcver}
|
|
|
|
AC_SUBST(LINUX)
|
|
AC_SUBST(LINUX_OBJ)
|
|
AC_SUBST(LINUX_VERSION)
|
|
])
|
|
|
|
dnl #
|
|
dnl # Detect the QAT module to be built against, QAT provides hardware
|
|
dnl # acceleration for data compression:
|
|
dnl #
|
|
dnl # https://01.org/intel-quickassist-technology
|
|
dnl #
|
|
dnl # 1) Download and install QAT driver from the above link
|
|
dnl # 2) Start QAT driver in your system:
|
|
dnl # service qat_service start
|
|
dnl # 3) Enable QAT in ZFS, e.g.:
|
|
dnl # ./configure --with-qat=<qat-driver-path>/QAT1.6
|
|
dnl # make
|
|
dnl # 4) Set GZIP compression in ZFS dataset:
|
|
dnl # zfs set compression = gzip <dataset>
|
|
dnl #
|
|
dnl # Then the data written to this ZFS pool is compressed by QAT accelerator
|
|
dnl # automatically, and de-compressed by QAT when read from the pool.
|
|
dnl #
|
|
dnl # 1) Get QAT hardware statistics with:
|
|
dnl # cat /proc/icp_dh895xcc_dev/qat
|
|
dnl # 2) 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 # ZFS_LINUX_CONFTEST_H
|
|
dnl #
|
|
AC_DEFUN([ZFS_LINUX_CONFTEST_H], [
|
|
test -d build/$2 || mkdir -p build/$2
|
|
cat - <<_ACEOF >build/$2/$2.h
|
|
$1
|
|
_ACEOF
|
|
])
|
|
|
|
dnl #
|
|
dnl # ZFS_LINUX_CONFTEST_C
|
|
dnl #
|
|
AC_DEFUN([ZFS_LINUX_CONFTEST_C], [
|
|
test -d build/$2 || mkdir -p build/$2
|
|
cat confdefs.h - <<_ACEOF >build/$2/$2.c
|
|
$1
|
|
_ACEOF
|
|
])
|
|
|
|
dnl #
|
|
dnl # ZFS_LINUX_CONFTEST_MAKEFILE
|
|
dnl #
|
|
dnl # $1 - test case name
|
|
dnl # $2 - add to top-level Makefile
|
|
dnl # $3 - additional build flags
|
|
dnl #
|
|
AC_DEFUN([ZFS_LINUX_CONFTEST_MAKEFILE], [
|
|
test -d build || mkdir -p build
|
|
test -d build/$1 || mkdir -p build/$1
|
|
|
|
file=build/$1/Makefile
|
|
|
|
dnl # Example command line to manually build source.
|
|
cat - <<_ACEOF >$file
|
|
# Example command line to manually build source
|
|
# make modules -C $LINUX_OBJ $ARCH_UM M=$PWD/build/$1
|
|
|
|
ccflags-y := -Werror $FRAME_LARGER_THAN
|
|
_ACEOF
|
|
|
|
dnl # Additional custom CFLAGS as requested.
|
|
m4_ifval($3, [echo "ccflags-y += $3" >>$file], [])
|
|
|
|
dnl # Test case source
|
|
echo "obj-m := $1.o" >>$file
|
|
|
|
AS_IF([test "x$2" = "xyes"], [echo "obj-m += $1/" >>build/Makefile], [])
|
|
])
|
|
|
|
dnl #
|
|
dnl # ZFS_LINUX_TEST_PROGRAM(C)([PROLOGUE], [BODY])
|
|
dnl #
|
|
m4_define([ZFS_LINUX_TEST_PROGRAM], [
|
|
#include <linux/module.h>
|
|
$1
|
|
|
|
int
|
|
main (void)
|
|
{
|
|
$2
|
|
;
|
|
return 0;
|
|
}
|
|
|
|
MODULE_DESCRIPTION("conftest");
|
|
MODULE_AUTHOR(ZFS_META_AUTHOR);
|
|
MODULE_VERSION(ZFS_META_VERSION "-" ZFS_META_RELEASE);
|
|
MODULE_LICENSE($3);
|
|
])
|
|
|
|
dnl #
|
|
dnl # ZFS_LINUX_TEST_REMOVE
|
|
dnl #
|
|
dnl # Removes the specified test source and results.
|
|
dnl #
|
|
AC_DEFUN([ZFS_LINUX_TEST_REMOVE], [
|
|
test -d build/$1 && rm -Rf build/$1
|
|
test -f build/Makefile && sed '/$1/d' build/Makefile
|
|
])
|
|
|
|
dnl #
|
|
dnl # ZFS_LINUX_COMPILE
|
|
dnl #
|
|
dnl # $1 - build dir
|
|
dnl # $2 - test command
|
|
dnl # $3 - pass command
|
|
dnl # $4 - fail command
|
|
dnl # $5 - set KBUILD_MODPOST_NOFINAL='yes'
|
|
dnl # $6 - set KBUILD_MODPOST_WARN='yes'
|
|
dnl #
|
|
dnl # Used internally by ZFS_LINUX_TEST_{COMPILE,MODPOST}
|
|
dnl #
|
|
AC_DEFUN([ZFS_LINUX_COMPILE], [
|
|
AC_ARG_VAR([KERNEL_CC], [C compiler for
|
|
building kernel modules])
|
|
AC_ARG_VAR([KERNEL_LD], [Linker for
|
|
building kernel modules])
|
|
AC_ARG_VAR([KERNEL_LLVM], [Binary option to
|
|
build kernel modules with LLVM/CLANG toolchain])
|
|
AC_TRY_COMMAND([
|
|
KBUILD_MODPOST_NOFINAL="$5" KBUILD_MODPOST_WARN="$6"
|
|
make modules -k -j$TEST_JOBS ${KERNEL_CC:+CC=$KERNEL_CC}
|
|
${KERNEL_LD:+LD=$KERNEL_LD} ${KERNEL_LLVM:+LLVM=$KERNEL_LLVM}
|
|
CONFIG_MODULES=y CFLAGS_MODULE=-DCONFIG_MODULES
|
|
-C $LINUX_OBJ $ARCH_UM M=$PWD/$1 >$1/build.log 2>&1])
|
|
AS_IF([AC_TRY_COMMAND([$2])], [$3], [$4])
|
|
])
|
|
|
|
dnl #
|
|
dnl # ZFS_LINUX_TEST_COMPILE
|
|
dnl #
|
|
dnl # Perform a full compile excluding the final modpost phase.
|
|
dnl #
|
|
AC_DEFUN([ZFS_LINUX_TEST_COMPILE], [
|
|
ZFS_LINUX_COMPILE([$2], [test -f $2/build.log], [
|
|
mv $2/Makefile $2/Makefile.compile.$1
|
|
mv $2/build.log $2/build.log.$1
|
|
],[
|
|
AC_MSG_ERROR([
|
|
*** Unable to compile test source to determine kernel interfaces.])
|
|
], [yes], [])
|
|
])
|
|
|
|
dnl #
|
|
dnl # ZFS_LINUX_TEST_MODPOST
|
|
dnl #
|
|
dnl # Perform a full compile including the modpost phase. This may
|
|
dnl # be an incremental build if the objects have already been built.
|
|
dnl #
|
|
AC_DEFUN([ZFS_LINUX_TEST_MODPOST], [
|
|
ZFS_LINUX_COMPILE([$2], [test -f $2/build.log], [
|
|
mv $2/Makefile $2/Makefile.modpost.$1
|
|
cat $2/build.log >>build/build.log.$1
|
|
],[
|
|
AC_MSG_ERROR([
|
|
*** Unable to modpost test source to determine kernel interfaces.])
|
|
], [], [yes])
|
|
])
|
|
|
|
dnl #
|
|
dnl # Perform the compilation of the test cases in two phases.
|
|
dnl #
|
|
dnl # Phase 1) attempt to build the object files for all of the tests
|
|
dnl # defined by the ZFS_LINUX_TEST_SRC macro. But do not
|
|
dnl # perform the final modpost stage.
|
|
dnl #
|
|
dnl # Phase 2) disable all tests which failed the initial compilation,
|
|
dnl # then invoke the final modpost step for the remaining tests.
|
|
dnl #
|
|
dnl # This allows us efficiently build the test cases in parallel while
|
|
dnl # remaining resilient to build failures which are expected when
|
|
dnl # detecting the available kernel interfaces.
|
|
dnl #
|
|
dnl # The maximum allowed parallelism can be controlled by setting the
|
|
dnl # TEST_JOBS environment variable. Otherwise, it default to $(nproc).
|
|
dnl #
|
|
AC_DEFUN([ZFS_LINUX_TEST_COMPILE_ALL], [
|
|
dnl # Phase 1 - Compilation only, final linking is skipped.
|
|
ZFS_LINUX_TEST_COMPILE([$1], [build])
|
|
|
|
dnl #
|
|
dnl # Phase 2 - When building external modules disable test cases
|
|
dnl # which failed to compile and invoke modpost to verify the
|
|
dnl # final linking.
|
|
dnl #
|
|
dnl # Test names suffixed with '_license' call modpost independently
|
|
dnl # to ensure that a single incompatibility does not result in the
|
|
dnl # modpost phase exiting early. This check is not performed on
|
|
dnl # every symbol since the majority are compatible and doing so
|
|
dnl # would significantly slow down this phase.
|
|
dnl #
|
|
dnl # When configuring for builtin (--enable-linux-builtin)
|
|
dnl # fake the linking step artificially create the expected .ko
|
|
dnl # files for tests which did compile. This is required for
|
|
dnl # kernels which do not have loadable module support or have
|
|
dnl # not yet been built.
|
|
dnl #
|
|
AS_IF([test "x$enable_linux_builtin" = "xno"], [
|
|
for dir in $(awk '/^obj-m/ { print [$]3 }' \
|
|
build/Makefile.compile.$1); do
|
|
name=${dir%/}
|
|
AS_IF([test -f build/$name/$name.o], [
|
|
AS_IF([test "${name##*_}" = "license"], [
|
|
ZFS_LINUX_TEST_MODPOST([$1],
|
|
[build/$name])
|
|
echo "obj-n += $dir" >>build/Makefile
|
|
], [
|
|
echo "obj-m += $dir" >>build/Makefile
|
|
])
|
|
], [
|
|
echo "obj-n += $dir" >>build/Makefile
|
|
])
|
|
done
|
|
|
|
ZFS_LINUX_TEST_MODPOST([$1], [build])
|
|
], [
|
|
for dir in $(awk '/^obj-m/ { print [$]3 }' \
|
|
build/Makefile.compile.$1); do
|
|
name=${dir%/}
|
|
AS_IF([test -f build/$name/$name.o], [
|
|
touch build/$name/$name.ko
|
|
])
|
|
done
|
|
])
|
|
])
|
|
|
|
dnl #
|
|
dnl # ZFS_LINUX_TEST_SRC
|
|
dnl #
|
|
dnl # $1 - name
|
|
dnl # $2 - global
|
|
dnl # $3 - source
|
|
dnl # $4 - extra cflags
|
|
dnl # $5 - check license-compatibility
|
|
dnl #
|
|
dnl # Check if the test source is buildable at all and then if it is
|
|
dnl # license compatible.
|
|
dnl #
|
|
dnl # N.B because all of the test cases are compiled in parallel they
|
|
dnl # must never depend on the results of previous tests. Each test
|
|
dnl # needs to be entirely independent.
|
|
dnl #
|
|
AC_DEFUN([ZFS_LINUX_TEST_SRC], [
|
|
ZFS_LINUX_CONFTEST_C([ZFS_LINUX_TEST_PROGRAM([[$2]], [[$3]],
|
|
[["Dual BSD/GPL"]])], [$1])
|
|
ZFS_LINUX_CONFTEST_MAKEFILE([$1], [yes], [$4])
|
|
|
|
AS_IF([ test -n "$5" ], [
|
|
ZFS_LINUX_CONFTEST_C([ZFS_LINUX_TEST_PROGRAM(
|
|
[[$2]], [[$3]], [[$5]])], [$1_license])
|
|
ZFS_LINUX_CONFTEST_MAKEFILE([$1_license], [yes], [$4])
|
|
])
|
|
])
|
|
|
|
dnl #
|
|
dnl # ZFS_LINUX_TEST_RESULT
|
|
dnl #
|
|
dnl # $1 - name of a test source (ZFS_LINUX_TEST_SRC)
|
|
dnl # $2 - run on success (valid .ko generated)
|
|
dnl # $3 - run on failure (unable to compile)
|
|
dnl #
|
|
AC_DEFUN([ZFS_LINUX_TEST_RESULT], [
|
|
AS_IF([test -d build/$1], [
|
|
AS_IF([test -f build/$1/$1.ko], [$2], [$3])
|
|
], [
|
|
AC_MSG_ERROR([
|
|
*** No matching source for the "$1" test, check that
|
|
*** both the test source and result macros refer to the same name.
|
|
])
|
|
])
|
|
])
|
|
|
|
dnl #
|
|
dnl # ZFS_LINUX_TEST_ERROR
|
|
dnl #
|
|
dnl # Generic error message which can be used when none of the expected
|
|
dnl # kernel interfaces were detected.
|
|
dnl #
|
|
AC_DEFUN([ZFS_LINUX_TEST_ERROR], [
|
|
AC_MSG_ERROR([
|
|
*** None of the expected "$1" interfaces were detected.
|
|
*** This may be because your kernel version is newer than what is
|
|
*** supported, or you are using a patched custom kernel with
|
|
*** incompatible modifications.
|
|
***
|
|
*** ZFS Version: $ZFS_META_ALIAS
|
|
*** Compatible Kernels: $ZFS_META_KVER_MIN - $ZFS_META_KVER_MAX
|
|
])
|
|
])
|
|
|
|
dnl #
|
|
dnl # ZFS_LINUX_TEST_RESULT_SYMBOL
|
|
dnl #
|
|
dnl # Like ZFS_LINUX_TEST_RESULT except ZFS_CHECK_SYMBOL_EXPORT is called to
|
|
dnl # verify symbol exports, unless --enable-linux-builtin was provided to
|
|
dnl # configure.
|
|
dnl #
|
|
AC_DEFUN([ZFS_LINUX_TEST_RESULT_SYMBOL], [
|
|
AS_IF([ ! test -f build/$1/$1.ko], [
|
|
$5
|
|
], [
|
|
AS_IF([test "x$enable_linux_builtin" != "xyes"], [
|
|
ZFS_CHECK_SYMBOL_EXPORT([$2], [$3], [$4], [$5])
|
|
], [
|
|
$4
|
|
])
|
|
])
|
|
])
|
|
|
|
dnl #
|
|
dnl # ZFS_LINUX_COMPILE_IFELSE
|
|
dnl #
|
|
AC_DEFUN([ZFS_LINUX_COMPILE_IFELSE], [
|
|
ZFS_LINUX_TEST_REMOVE([conftest])
|
|
|
|
m4_ifvaln([$1], [ZFS_LINUX_CONFTEST_C([$1], [conftest])])
|
|
m4_ifvaln([$5], [ZFS_LINUX_CONFTEST_H([$5], [conftest])],
|
|
[ZFS_LINUX_CONFTEST_H([], [conftest])])
|
|
|
|
ZFS_LINUX_CONFTEST_MAKEFILE([conftest], [no],
|
|
[m4_ifvaln([$5], [-I$PWD/build/conftest], [])])
|
|
ZFS_LINUX_COMPILE([build/conftest], [$2], [$3], [$4], [], [])
|
|
])
|
|
|
|
dnl #
|
|
dnl # ZFS_LINUX_TRY_COMPILE
|
|
dnl #
|
|
dnl # $1 - global
|
|
dnl # $2 - source
|
|
dnl # $3 - run on success (valid .ko generated)
|
|
dnl # $4 - run on failure (unable to compile)
|
|
dnl #
|
|
dnl # When configuring as builtin (--enable-linux-builtin) for kernels
|
|
dnl # without loadable module support (CONFIG_MODULES=n) only the object
|
|
dnl # file is created. See ZFS_LINUX_TEST_COMPILE_ALL for details.
|
|
dnl #
|
|
AC_DEFUN([ZFS_LINUX_TRY_COMPILE], [
|
|
AS_IF([test "x$enable_linux_builtin" = "xyes"], [
|
|
ZFS_LINUX_COMPILE_IFELSE(
|
|
[ZFS_LINUX_TEST_PROGRAM([[$1]], [[$2]],
|
|
[[ZFS_META_LICENSE]])],
|
|
[test -f build/conftest/conftest.o], [$3], [$4])
|
|
], [
|
|
ZFS_LINUX_COMPILE_IFELSE(
|
|
[ZFS_LINUX_TEST_PROGRAM([[$1]], [[$2]],
|
|
[[ZFS_META_LICENSE]])],
|
|
[test -f build/conftest/conftest.ko], [$3], [$4])
|
|
])
|
|
])
|
|
|
|
dnl #
|
|
dnl # ZFS_CHECK_SYMBOL_EXPORT
|
|
dnl #
|
|
dnl # Check if a symbol is exported on not by consulting the symbols
|
|
dnl # file, or optionally the source code.
|
|
dnl #
|
|
AC_DEFUN([ZFS_CHECK_SYMBOL_EXPORT], [
|
|
grep -q -E '[[[:space:]]]$1[[[:space:]]]' \
|
|
$LINUX_OBJ/$LINUX_SYMBOLS 2>/dev/null
|
|
rc=$?
|
|
if test $rc -ne 0; then
|
|
export=0
|
|
for file in $2; do
|
|
grep -q -E "EXPORT_SYMBOL.*($1)" \
|
|
"$LINUX/$file" 2>/dev/null
|
|
rc=$?
|
|
if test $rc -eq 0; then
|
|
export=1
|
|
break;
|
|
fi
|
|
done
|
|
if test $export -eq 0; then :
|
|
$4
|
|
else :
|
|
$3
|
|
fi
|
|
else :
|
|
$3
|
|
fi
|
|
])
|
|
|
|
dnl #
|
|
dnl # ZFS_LINUX_TRY_COMPILE_SYMBOL
|
|
dnl #
|
|
dnl # Like ZFS_LINUX_TRY_COMPILER except ZFS_CHECK_SYMBOL_EXPORT is called
|
|
dnl # to verify symbol exports, unless --enable-linux-builtin was provided
|
|
dnl # to configure.
|
|
dnl #
|
|
AC_DEFUN([ZFS_LINUX_TRY_COMPILE_SYMBOL], [
|
|
ZFS_LINUX_TRY_COMPILE([$1], [$2], [rc=0], [rc=1])
|
|
if test $rc -ne 0; then :
|
|
$6
|
|
else
|
|
if test "x$enable_linux_builtin" != xyes; then
|
|
ZFS_CHECK_SYMBOL_EXPORT([$3], [$4], [rc=0], [rc=1])
|
|
fi
|
|
if test $rc -ne 0; then :
|
|
$6
|
|
else :
|
|
$5
|
|
fi
|
|
fi
|
|
])
|
|
|
|
dnl #
|
|
dnl # ZFS_LINUX_TRY_COMPILE_HEADER
|
|
dnl # like ZFS_LINUX_TRY_COMPILE, except the contents conftest.h are
|
|
dnl # provided via the fifth parameter
|
|
dnl #
|
|
AC_DEFUN([ZFS_LINUX_TRY_COMPILE_HEADER], [
|
|
AS_IF([test "x$enable_linux_builtin" = "xyes"], [
|
|
ZFS_LINUX_COMPILE_IFELSE(
|
|
[ZFS_LINUX_TEST_PROGRAM([[$1]], [[$2]],
|
|
[[ZFS_META_LICENSE]])],
|
|
[test -f build/conftest/conftest.o], [$3], [$4], [$5])
|
|
], [
|
|
ZFS_LINUX_COMPILE_IFELSE(
|
|
[ZFS_LINUX_TEST_PROGRAM([[$1]], [[$2]],
|
|
[[ZFS_META_LICENSE]])],
|
|
[test -f build/conftest/conftest.ko], [$3], [$4], [$5])
|
|
])
|
|
])
|
|
|
|
dnl #
|
|
dnl # AS_VERSION_COMPARE_LE
|
|
dnl # like AS_VERSION_COMPARE_LE, but runs $3 if (and only if) $1 <= $2
|
|
dnl # AS_VERSION_COMPARE_LE (version-1, version-2, [action-if-less-or-equal], [action-if-greater])
|
|
dnl #
|
|
AC_DEFUN([AS_VERSION_COMPARE_LE], [
|
|
AS_VERSION_COMPARE([$1], [$2], [$3], [$3], [$4])
|
|
])
|
|
|
|
dnl #
|
|
dnl # ZFS_LINUX_REQUIRE_API
|
|
dnl # like ZFS_LINUX_TEST_ERROR, except only fails if the kernel is
|
|
dnl # at least some specified version.
|
|
dnl #
|
|
AC_DEFUN([ZFS_LINUX_REQUIRE_API], [
|
|
AS_VERSION_COMPARE_LE([$2], [$kernsrcver], [
|
|
AC_MSG_ERROR([
|
|
*** None of the expected "$1" interfaces were detected. This
|
|
*** interface is expected for kernels version "$2" and above.
|
|
*** This may be because your kernel version is newer than what is
|
|
*** supported, or you are using a patched custom kernel with
|
|
*** incompatible modifications. Newer kernels may have incompatible
|
|
*** APIs.
|
|
***
|
|
*** ZFS Version: $ZFS_META_ALIAS
|
|
*** Compatible Kernels: $ZFS_META_KVER_MIN - $ZFS_META_KVER_MAX
|
|
])
|
|
], [
|
|
AC_MSG_RESULT(no)
|
|
])
|
|
])
|