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" "$@"; }
22 # NB: data to be inserted at INSERT line is coming on stdin
28 # Need to use printf: different shells have inconsistent
29 # rules re handling of "\n" in echo params.
30 printf "%s\n" "${header}"
31 # print everything up to INSERT line
32 sed -n '/^INSERT$/ q; p' "${src}"
33 # copy stdin to stdout
35 # print everything after INSERT line
43 if ! cmp -s "${dst}" "${dst}.tmp"; then
45 mv "${dst}.tmp" "${dst}"
51 # (Re)generate include/applets.h
52 sed -n 's@^//applet:@@p' "$srctree"/*/*.c "$srctree"/*/*/*.c \
54 "$srctree/include/applets.src.h" \
56 "/* DO NOT EDIT. This file is generated from applets.src.h */"
58 # (Re)generate include/usage.h
59 # We add line continuation backslash after each line,
60 # and insert empty line before each line which doesn't start
66 sed -n -e 's@^//usage:\([ '"$TAB"'].*\)$@\1 \\@p' \
67 -e 's@^//usage:\([^ '"$TAB"'].*\)$@\'"$LF"'\1 \\@p' \
68 "$srctree"/*/*.c "$srctree"/*/*/*.c \
70 "$srctree/include/usage.src.h" \
72 "/* DO NOT EDIT. This file is generated from usage.src.h */"
74 # (Re)generate */Kbuild and */Config.in
75 # We skip .dotdirs - makes git/svn/etc users happier
76 { cd -- "$srctree" && find . -type d ! '(' -name '.?*' -prune ')'; } \
80 src="$srctree/$d/Kbuild.src"
82 if test -f "$src"; then
83 mkdir -p -- "$d" 2>/dev/null
85 sed -n 's@^//kbuild:@@p' "$srctree/$d"/*.c \
88 "# DO NOT EDIT. This file is generated from Kbuild.src"
91 src="$srctree/$d/Config.src"
93 if test -f "$src"; then
94 mkdir -p -- "$d" 2>/dev/null
96 sed -n 's@^//config:@@p' "$srctree/$d"/*.c \
99 "# DO NOT EDIT. This file is generated from Config.src"
103 # Last read failed. This is normal. Don't exit with its error code: