90 lines
2.4 KiB
Bash
Executable File
90 lines
2.4 KiB
Bash
Executable File
#!/bin/sh
|
|
|
|
# Note: was using sed OPTS CMD -- FILES
|
|
# but users complain that many sed implementations
|
|
# are misinterpreting --.
|
|
|
|
test $# -ge 2 || { echo "Syntax: $0 SRCTREE OBJTREE"; exit 1; }
|
|
|
|
# cd to objtree
|
|
cd -- "$2" || { echo "Syntax: $0 SRCTREE OBJTREE"; exit 1; }
|
|
# In separate objtree build, include/ might not exist yet
|
|
mkdir include 2>/dev/null
|
|
|
|
srctree="$1"
|
|
|
|
status() { printf ' %-8s%s\n' "$1" "$2"; }
|
|
gen() { status "GEN" "$@"; }
|
|
chk() { status "CHK" "$@"; }
|
|
|
|
generate()
|
|
{
|
|
# NB: data to be inserted at INSERT line is coming on stdin
|
|
local src="$1" dst="$2" header="$3"
|
|
#chk "${dst}"
|
|
{
|
|
# Need to use printf: different shells have inconsistent
|
|
# rules re handling of "\n" in echo params.
|
|
printf "%s\n" "${header}"
|
|
# print everything up to INSERT line
|
|
sed -n '/^INSERT$/ q; p' "${src}"
|
|
# copy stdin to stdout
|
|
cat
|
|
# print everything after INSERT line
|
|
sed -n '/^INSERT$/ { :l; n; p; bl }' "${src}"
|
|
} >"${dst}.tmp"
|
|
if ! cmp -s "${dst}" "${dst}.tmp"; then
|
|
gen "${dst}"
|
|
mv "${dst}.tmp" "${dst}"
|
|
else
|
|
rm -f "${dst}.tmp"
|
|
fi
|
|
}
|
|
|
|
# (Re)generate include/applets.h
|
|
sed -n 's@^//applet:@@p' "$srctree"/*/*.c "$srctree"/*/*/*.c \
|
|
| generate \
|
|
"$srctree/include/applets.src.h" \
|
|
"include/applets.h" \
|
|
"/* DO NOT EDIT. This file is generated from applets.src.h */"
|
|
|
|
# (Re)generate include/usage.h
|
|
# We add line continuation backslash after each line,
|
|
# and insert empty line before each line which doesn't start
|
|
# with space or tab
|
|
sed -n -e 's@^//usage:\([ \t].*\)$@\1 \\@p' -e 's@^//usage:\([^ \t].*\)$@\n\1 \\@p' "$srctree"/*/*.c "$srctree"/*/*/*.c \
|
|
| generate \
|
|
"$srctree/include/usage.src.h" \
|
|
"include/usage.h" \
|
|
"/* DO NOT EDIT. This file is generated from usage.src.h */"
|
|
|
|
# (Re)generate */Kbuild and */Config.in
|
|
{ cd -- "$srctree" && find . -type d; } | while read -r d; do
|
|
d="${d#./}"
|
|
|
|
src="$srctree/$d/Kbuild.src"
|
|
dst="$d/Kbuild"
|
|
if test -f "$src"; then
|
|
mkdir -p -- "$d" 2>/dev/null
|
|
|
|
sed -n 's@^//kbuild:@@p' "$srctree/$d"/*.c \
|
|
| generate \
|
|
"${src}" "${dst}" \
|
|
"# DO NOT EDIT. This file is generated from Kbuild.src"
|
|
fi
|
|
|
|
src="$srctree/$d/Config.src"
|
|
dst="$d/Config.in"
|
|
if test -f "$src"; then
|
|
mkdir -p -- "$d" 2>/dev/null
|
|
|
|
sed -n 's@^//config:@@p' "$srctree/$d"/*.c \
|
|
| generate \
|
|
"${src}" "${dst}" \
|
|
"# DO NOT EDIT. This file is generated from Config.src"
|
|
fi
|
|
done
|
|
|
|
# Last read failed. This is normal. Don't exit with its error code:
|
|
exit 0
|