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-rwxr-xr-xcopy-builtin121
1 files changed, 121 insertions, 0 deletions
diff --git a/copy-builtin b/copy-builtin
new file mode 100755
index 000000000..a053fd8a3
--- /dev/null
+++ b/copy-builtin
@@ -0,0 +1,121 @@
+#!/bin/bash
+
+set -e
+
+usage()
+{
+ echo "usage: $0 <kernel source tree>" >&2
+ exit 1
+}
+
+[ "$#" -eq 1 ] || usage
+KERNEL_DIR="$(readlink --canonicalize-existing "$1")"
+
+MODULES=()
+for MODULE_DIR in module/*
+do
+ [ -d "$MODULE_DIR" ] || continue
+ MODULES+=("${MODULE_DIR##*/}")
+done
+
+if ! [ -e 'zfs_config.h' ]
+then
+ echo >&2
+ echo " $0: you did not run configure, or you're not in the ZFS source directory." >&2
+ echo " $0: run configure with --with-linux=$KERNEL_DIR and --enable-linux-builtin." >&2
+ echo >&2
+ exit 1
+fi
+
+make clean || true
+
+rm -rf "$KERNEL_DIR/include/zfs" "$KERNEL_DIR/fs/zfs"
+cp --recursive include "$KERNEL_DIR/include/zfs"
+cp --recursive module "$KERNEL_DIR/fs/zfs"
+cp zfs_config.h "$KERNEL_DIR/"
+
+adjust_obj_paths()
+{
+ local FILE="$1"
+ local LINE OBJPATH
+
+ while IFS='' read -r LINE
+ do
+ OBJPATH="${LINE#\$(MODULE)-objs += }"
+ if [ "$OBJPATH" = "$LINE" ]
+ then
+ echo "$LINE"
+ else
+ echo "\$(MODULE)-objs += ${OBJPATH##*/}"
+ fi
+ done < "$FILE" > "$FILE.new"
+ mv "$FILE.new" "$FILE"
+}
+
+for MODULE in "${MODULES[@]}"
+do
+ adjust_obj_paths "$KERNEL_DIR/fs/zfs/$MODULE/Makefile"
+done
+
+cat > "$KERNEL_DIR/fs/zfs/Kconfig" <<"EOF"
+config ZFS
+ tristate "ZFS"
+ depends on SPL
+ help
+ This is the ZFS filesystem from the ZFS On Linux project.
+
+ See http://zfsonlinux.org/
+
+ To compile this file system support as a module, choose M here.
+
+ If unsure, say N.
+EOF
+
+{
+ cat <<-"EOF"
+ ZFS_MODULE_CFLAGS = -I$(srctree)/include/zfs -I$(srctree)/include/spl
+ ZFS_MODULE_CFLAGS += -include $(srctree)/spl_config.h -include $(srctree)/zfs_config.h
+ export ZFS_MODULE_CFLAGS
+
+ obj-$(CONFIG_ZFS) :=
+ EOF
+
+ for MODULE in "${MODULES[@]}"
+ do
+ echo 'obj-$(CONFIG_ZFS) += ' "$MODULE/"
+ done
+} > "$KERNEL_DIR/fs/zfs/Kbuild"
+
+add_after()
+{
+ local FILE="$1"
+ local MARKER="$2"
+ local NEW="$3"
+ local LINE
+
+ while IFS='' read -r LINE
+ do
+ echo "$LINE"
+
+ if [ -n "$MARKER" -a "$LINE" = "$MARKER" ]
+ then
+ echo "$NEW"
+ MARKER=''
+ if IFS='' read -r LINE
+ then
+ [ "$LINE" != "$NEW" ] && echo "$LINE"
+ fi
+ fi
+ done < "$FILE" > "$FILE.new"
+
+ mv "$FILE.new" "$FILE"
+}
+
+add_after "$KERNEL_DIR/fs/Kconfig" 'if BLOCK' 'source "fs/zfs/Kconfig"'
+add_after "$KERNEL_DIR/fs/Makefile" 'endif' 'obj-$(CONFIG_ZFS) += zfs/'
+
+echo >&2
+echo " $0: done." >&2
+echo " $0: now you can build the kernel with ZFS support." >&2
+echo " $0: make sure you enable ZFS support (CONFIG_ZFS) before building." >&2
+echo >&2