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7bdf406d TG |
1 | #!/bin/bash |
2 | ||
3 | set -e | |
4 | ||
5 | usage() | |
6 | { | |
7 | echo "usage: $0 <kernel source tree>" >&2 | |
8 | exit 1 | |
9 | } | |
10 | ||
11 | [ "$#" -eq 1 ] || usage | |
12 | KERNEL_DIR="$(readlink --canonicalize-existing "$1")" | |
13 | ||
14 | MODULES=() | |
15 | for MODULE_DIR in module/* | |
16 | do | |
17 | [ -d "$MODULE_DIR" ] || continue | |
18 | MODULES+=("${MODULE_DIR##*/}") | |
19 | done | |
20 | ||
21 | if ! [ -e 'spl_config.h' ] | |
22 | then | |
23 | echo >&2 | |
24 | echo " $0: you did not run configure, or you're not in the SPL source directory." >&2 | |
25 | echo " $0: run configure with --with-linux=$KERNEL_DIR and --enable-linux-builtin." >&2 | |
26 | echo >&2 | |
27 | exit 1 | |
28 | fi | |
29 | ||
30 | make clean || true | |
31 | ||
32 | rm -rf "$KERNEL_DIR/include/spl" "$KERNEL_DIR/spl" | |
33 | cp --recursive include "$KERNEL_DIR/include/spl" | |
34 | cp --recursive module "$KERNEL_DIR/spl" | |
35 | cp spl_config.h "$KERNEL_DIR/" | |
36 | cp spl.release.in "$KERNEL_DIR/" | |
37 | ||
38 | adjust_obj_paths() | |
39 | { | |
40 | local FILE="$1" | |
41 | local LINE OBJPATH | |
42 | ||
43 | while IFS='' read -r LINE | |
44 | do | |
45 | OBJPATH="${LINE#\$(MODULE)-objs += }" | |
46 | if [ "$OBJPATH" = "$LINE" ] | |
47 | then | |
48 | echo "$LINE" | |
49 | else | |
50 | echo "\$(MODULE)-objs += ${OBJPATH##*/}" | |
51 | fi | |
52 | done < "$FILE" > "$FILE.new" | |
53 | mv "$FILE.new" "$FILE" | |
54 | } | |
55 | ||
56 | for MODULE in "${MODULES[@]}" | |
57 | do | |
58 | adjust_obj_paths "$KERNEL_DIR/spl/$MODULE/Makefile" | |
59 | sed -i.bak '/obj =/d' "$KERNEL_DIR/spl/$MODULE/Makefile" | |
60 | sed -i.bak '/src =/d' "$KERNEL_DIR/spl/$MODULE/Makefile" | |
61 | done | |
62 | ||
63 | cat > "$KERNEL_DIR/spl/Kconfig" <<"EOF" | |
64 | config SPL | |
65 | tristate "Solaris Porting Layer (SPL)" | |
66 | help | |
67 | This is the SPL library from the ZFS On Linux project. | |
68 | ||
69 | See http://zfsonlinux.org/ | |
70 | ||
71 | To compile this library as a module, choose M here. | |
72 | ||
73 | If unsure, say N. | |
74 | EOF | |
75 | ||
76 | { | |
77 | cat <<-"EOF" | |
78 | SPL_MODULE_CFLAGS = -I$(srctree)/include/spl | |
79 | SPL_MODULE_CFLAGS += -include $(srctree)/spl_config.h | |
80 | export SPL_MODULE_CFLAGS | |
81 | ||
82 | obj-$(CONFIG_SPL) := | |
83 | EOF | |
84 | ||
85 | for MODULE in "${MODULES[@]}" | |
86 | do | |
87 | echo 'obj-$(CONFIG_SPL) += ' "$MODULE/" | |
88 | done | |
89 | } > "$KERNEL_DIR/spl/Kbuild" | |
90 | ||
91 | add_after() | |
92 | { | |
93 | local FILE="$1" | |
94 | local MARKER="$2" | |
95 | local NEW="$3" | |
96 | local LINE | |
97 | ||
98 | while IFS='' read -r LINE | |
99 | do | |
100 | echo "$LINE" | |
101 | ||
102 | if [ -n "$MARKER" -a "$LINE" = "$MARKER" ] | |
103 | then | |
104 | echo "$NEW" | |
105 | MARKER='' | |
106 | if IFS='' read -r LINE | |
107 | then | |
108 | [ "$LINE" != "$NEW" ] && echo "$LINE" | |
109 | fi | |
110 | fi | |
111 | done < "$FILE" > "$FILE.new" | |
112 | ||
113 | mv "$FILE.new" "$FILE" | |
114 | } | |
115 | ||
116 | add_after "$KERNEL_DIR/Kconfig" 'source "arch/$SRCARCH/Kconfig"' 'source "spl/Kconfig"' | |
117 | # We must take care to build SPL before ZFS, otherwise the symbols required | |
118 | # to link ZFS will not be available. | |
119 | sed -i 's~mm/ fs/~mm/ spl/ fs/~' "$KERNEL_DIR/Makefile" | |
120 | ||
121 | echo >&2 | |
122 | echo " $0: done." >&2 | |
123 | echo " $0: now you can build the kernel with SPL support." >&2 | |
124 | echo " $0: make sure you enable SPL support (CONFIG_SPL) before building." >&2 | |
125 | echo >&2 | |
126 |