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
23 local src="$1" dst="$2" header="$3"
26 # Need to use printf: different shells have inconsistent
27 # rules re handling of "\n" in echo params.
28 printf "%s\n" "${header}"
29 # print everything up to INSERT line
30 sed -n '/^INSERT$/ q; p' "${src}"
31 # copy stdin to stdout
33 # print everything after INSERT line
41 if ! cmp -s "${dst}" "${dst}.tmp"; then
43 mv "${dst}.tmp" "${dst}"
49 # (Re)generate include/applets.h
50 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 */"
56 # (Re)generate include/usage.h
57 # We add line continuation backslash after each line,
58 # and insert empty line before each line which doesn't start
64 sed -n -e 's@^//usage:\([ '"$TAB"'].*\)$@\1 \\@p' \
65 -e 's@^//usage:\([^ '"$TAB"'].*\)$@\'"$LF"'\1 \\@p' \
66 "$srctree"/*/*.c "$srctree"/*/*/*.c \
68 "$srctree/include/usage.src.h" \
70 "/* DO NOT EDIT. This file is generated from usage.src.h */"
72 # (Re)generate */Kbuild and */Config.in
73 # We skip .dotdirs - makes git/svn/etc users happier
74 { cd -- "$srctree" && find . -type d -not '(' -name '.?*' -prune ')'; } \
78 src="$srctree/$d/Kbuild.src"
80 if test -f "$src"; then
81 mkdir -p -- "$d" 2>/dev/null
83 sed -n 's@^//kbuild:@@p' "$srctree/$d"/*.c \
86 "# DO NOT EDIT. This file is generated from Kbuild.src"
89 src="$srctree/$d/Config.src"
91 if test -f "$src"; then
92 mkdir -p -- "$d" 2>/dev/null
94 sed -n 's@^//config:@@p' "$srctree/$d"/*.c \
97 "# DO NOT EDIT. This file is generated from Config.src"
101 # Last read failed. This is normal. Don't exit with its error code: