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|
#!/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 'spl_config.h' ]
then
echo >&2
echo " $0: you did not run configure, or you're not in the SPL 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 "$KERNEL_DIR/include/spl" "$KERNEL_DIR/spl"
cp --recursive include "$KERNEL_DIR/include/spl"
cp --recursive module "$KERNEL_DIR/spl"
cp spl_config.h "$KERNEL_DIR/"
cp spl.release.in "$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 "$KERNEL_DIR/spl/$MODULE/Makefile"
sed -i.bak '/obj =/d' "$KERNEL_DIR/spl/$MODULE/Makefile"
sed -i.bak '/src =/d' "$KERNEL_DIR/spl/$MODULE/Makefile"
done
cat > "$KERNEL_DIR/spl/Kconfig" <<"EOF"
config SPL
tristate "Solaris Porting Layer (SPL)"
help
This is the SPL library from the ZFS On Linux project.
See http://zfsonlinux.org/
To compile this library as a module, choose M here.
If unsure, say N.
EOF
{
cat <<-"EOF"
SPL_MODULE_CFLAGS = -I$(srctree)/include/spl
SPL_MODULE_CFLAGS += -include $(srctree)/spl_config.h
export SPL_MODULE_CFLAGS
obj-$(CONFIG_SPL) :=
EOF
for MODULE in "${MODULES[@]}"
do
echo 'obj-$(CONFIG_SPL) += ' "$MODULE/"
done
} > "$KERNEL_DIR/spl/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/Kconfig" 'source "arch/$SRCARCH/Kconfig"' 'source "spl/Kconfig"'
# We must take care to build SPL before ZFS, otherwise the symbols required
# to link ZFS will not be available.
sed -i 's~mm/ fs/~mm/ spl/ fs/~' "$KERNEL_DIR/Makefile"
echo >&2
echo " $0: done." >&2
echo " $0: now you can build the kernel with SPL support." >&2
echo " $0: make sure you enable SPL support (CONFIG_SPL) before building." >&2
echo >&2
|
