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#!/bin/sh
# Check -V option.
. "${srcdir=.}/init.sh"
run_prog_skip_if_failed date +%Y > /dev/null
year="$(date +%Y)"
run_strace -V > "$LOG"
getstr()
{
sed -r -n 's/#define[[:space:]]*'"$1"'[[:space:]]*"([^"]*)".*/\1/p' \
../../config.h
}
# getoption OPTION YES_STRING [NO_STRING]
#
# Returns YES_STRING in case OPTION is enabled (present in config.h and has
# a non-zero numeric value). Otherwise, NO_STRING (or empty string, if not
# specified) is returned.
getoption()
{
local opt
opt=$(sed -r -n 's/#define[[:space:]]*'"$1"'[[:space:]]*([0-9]+)$/\1/p' \
../../config.h)
if [ -n "$opt" -a "$opt" -ne 0 ]; then
printf "%s" "$2"
else
printf "%s" "${3-}"
fi
}
config_year=$(getstr COPYRIGHT_YEAR)
[ "$year" -ge "$config_year" ] && [ "$config_year" -ge 2017 ] || {
echo >&2 "The year derived from config.h (${config_year}) does not pass sanity checks."
exit 1
}
option_unwind=$(getoption USE_LIBUNWIND " stack-unwind")
features="${option_unwind}"
[ -n "$features" ] || features=" (none)"
cat > "$EXP" << __EOF__
$(getstr PACKAGE_NAME) -- version $(getstr PACKAGE_VERSION)
Copyright (c) 1991-${config_year} The strace developers <$(getstr PACKAGE_URL)>.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
Optional features enabled:${features}
__EOF__
match_diff "$LOG" "$EXP"
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