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109d2c9310
Currently an out-of-tree build does not work with read-only source directory because zfs_gitrev.h can't be created. Move this file to the build directory, which is more appropriate for a generated file, and drop the dist-hook for zfs_gitrev.h. There is no need to distribute this file since it will be regenerated as part of the compilation in any case. scripts/make_gitrev.sh tries to avoid updating zfs_gitrev.h if there has been no change, however this doesn't cover the case when the source directory is not in git: in that case zfs_gitrev.h gets overwritten even though it's always "unknown". Simplify the logic to always write out a new version of zfs_gitrev.h, compare against the old and overwrite only if different. This is now simple enough to just include in the Makefile, so drop the script. Reviewed-by: Ryan Moeller <ryan@iXsystems.com> Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Arvind Sankar <nivedita@alum.mit.edu> Closes #10493
80 lines
1.6 KiB
Bash
Executable File
80 lines
1.6 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -e
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usage()
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{
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echo "usage: $0 <kernel source tree>" >&2
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exit 1
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}
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[ "$#" -eq 1 ] || usage
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KERNEL_DIR="$(readlink --canonicalize-existing "$1")"
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if ! [ -e 'zfs_config.h' ]
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then
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echo >&2
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echo " $0: you did not run configure, or you're not in the ZFS source directory." >&2
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echo " $0: run configure with --with-linux=$KERNEL_DIR and --enable-linux-builtin." >&2
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echo >&2
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exit 1
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fi
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make clean || true
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make gitrev
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rm -rf "$KERNEL_DIR/include/zfs" "$KERNEL_DIR/fs/zfs"
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cp --recursive include "$KERNEL_DIR/include/zfs"
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cp --recursive module "$KERNEL_DIR/fs/zfs"
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cp zfs_config.h "$KERNEL_DIR/include/zfs/"
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cat > "$KERNEL_DIR/fs/zfs/Kconfig" <<"EOF"
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config ZFS
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tristate "ZFS filesystem support"
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depends on EFI_PARTITION
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select ZLIB_INFLATE
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select ZLIB_DEFLATE
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help
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This is the ZFS filesystem from the ZFS On Linux project.
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See https://zfsonlinux.org/
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To compile this file system support as a module, choose M here.
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If unsure, say N.
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EOF
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add_after()
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{
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local FILE="$1"
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local MARKER="$2"
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local NEW="$3"
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local LINE
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while IFS='' read -r LINE
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do
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echo "$LINE"
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if [ -n "$MARKER" -a "$LINE" = "$MARKER" ]
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then
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echo "$NEW"
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MARKER=''
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if IFS='' read -r LINE
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then
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[ "$LINE" != "$NEW" ] && echo "$LINE"
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fi
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fi
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done < "$FILE" > "$FILE.new"
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mv "$FILE.new" "$FILE"
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}
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add_after "$KERNEL_DIR/fs/Kconfig" 'if BLOCK' 'source "fs/zfs/Kconfig"'
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add_after "$KERNEL_DIR/fs/Makefile" 'endif' 'obj-$(CONFIG_ZFS) += zfs/'
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echo >&2
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echo " $0: done." >&2
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echo " $0: now you can build the kernel with ZFS support." >&2
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echo " $0: make sure you enable ZFS support (CONFIG_ZFS) before building." >&2
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echo >&2
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