3 # Note: was using sed OPTS CMD -- FILES
4 # but users complain that many sed implementations
5 # are misinterpreting --.
7 test $# -ge 2 || { echo "Syntax: $0 SRCTREE OBJTREE"; exit 1; }
10 cd -- "$2" || { echo "Syntax: $0 SRCTREE OBJTREE"; exit 1; }
11 # In separate objtree build, include/ might not exist yet
12 mkdir include 2>/dev/null
16 status() { printf ' %-8s%s\n' "$1" "$2"; }
17 gen() { status "GEN" "$@"; }
18 chk() { status "CHK" "$@"; }
22 local src="$1" dst="$2" header="$3" insert="$4"
25 # Need to use printf: different shells have inconsistent
26 # rules re handling of "\n" in echo params,
27 # and ${insert} definitely contains "\n".
28 # Therefore, echo "${header}" would not work:
29 printf "%s\n" "${header}"
30 if grep -qs '^INSERT$' "${src}"; then
31 sed -n '1,/^INSERT$/p' "${src}"
32 printf "%s\n" "${insert}"
33 sed -n '/^INSERT$/,$p' "${src}"
35 if [ -n "${insert}" ]; then
36 printf "%s\n" "ERROR: INSERT line missing in: ${src}" 1>&2
40 ) | sed '/^INSERT$/d' > "${dst}.tmp"
41 if ! cmp -s "${dst}" "${dst}.tmp"; then
43 mv "${dst}.tmp" "${dst}"
49 # (Re)generate include/applets.h
50 s=`sed -n 's@^//applet:@@p' "$srctree"/*/*.c "$srctree"/*/*/*.c`
52 "$srctree/include/applets.src.h" \
54 "/* DO NOT EDIT. This file is generated from applets.src.h */" \
57 # (Re)generate include/usage.h
58 # We add line continuation backslash after each line,
59 # and insert empty line before each line which doesn't start
61 # (note: we need to use \\\\ because of ``)
62 s=`sed -n -e 's@^//usage:\([ \t].*\)$@\1 \\\\@p' -e 's@^//usage:\([^ \t].*\)$@\n\1 \\\\@p' "$srctree"/*/*.c "$srctree"/*/*/*.c`
64 "$srctree/include/usage.src.h" \
66 "/* DO NOT EDIT. This file is generated from usage.src.h */" \
69 # (Re)generate */Kbuild and */Config.in
70 { cd -- "$srctree" && find . -type d; } | while read -r d; do
73 src="$srctree/$d/Kbuild.src"
75 if test -f "$src"; then
76 mkdir -p -- "$d" 2>/dev/null
78 s=`sed -n 's@^//kbuild:@@p' "$srctree/$d"/*.c`
81 "# DO NOT EDIT. This file is generated from Kbuild.src" \
85 src="$srctree/$d/Config.src"
87 if test -f "$src"; then
88 mkdir -p -- "$d" 2>/dev/null
90 s=`sed -n 's@^//config:@@p' "$srctree/$d"/*.c`
93 "# DO NOT EDIT. This file is generated from Config.src" \
98 # Last read failed. This is normal. Don't exit with its error code: