freebsd-nq/copy-builtin
Matthew Thode 991857cac5 Copy spl.release.in to kernel dir
Required when compiling ZFS in the kernel.

Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #253
2013-06-21 15:40:04 -07:00

124 lines
2.4 KiB
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Executable File

#!/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"
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/$SRCARCH/Kconfig"' 'source "spl/Kconfig"'
# We must take care to build SPL before ZFS, else module initialization order will be wrong
sed -i 's#kernel/ mm/ fs/#kernel/ mm/ spl/ fs/#' "$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