#!/bin/sh
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# Check -V option.
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. "${srcdir=.}/init.sh"
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run_prog_skip_if_failed date +%Y > /dev/null
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year="$(date +%Y)"
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run_strace -V > "$LOG"
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getstr()
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{
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sed -r -n 's/#define[[:space:]]*'"$1"'[[:space:]]*"([^"]*)".*/\1/p' \
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../../config.h
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}
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# getoption OPTION YES_STRING [NO_STRING]
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#
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# Returns YES_STRING in case OPTION is enabled (present in config.h and has
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# a non-zero numeric value). Otherwise, NO_STRING (or empty string, if not
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# specified) is returned.
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getoption()
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{
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local opt
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opt=$(sed -r -n 's/#define[[:space:]]*'"$1"'[[:space:]]*([0-9]+)$/\1/p' \
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../../config.h)
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if [ -n "$opt" -a "$opt" -ne 0 ]; then
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printf "%s" "$2"
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else
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printf "%s" "${3-}"
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fi
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}
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config_year=$(getstr COPYRIGHT_YEAR)
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[ "$year" -ge "$config_year" ] && [ "$config_year" -ge 2017 ] || {
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echo >&2 "The year derived from config.h (${config_year}) does not pass sanity checks."
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exit 1
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}
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option_unwind=$(getoption ENABLE_STACKTRACE \
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" stack-trace=$(getstr USE_UNWINDER)")
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option_demangle=$(getoption USE_DEMANGLE " stack-demangle")
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option_m32=
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option_mx32=
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case "$STRACE_NATIVE_ARCH" in
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x86_64)
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option_m32=$(getoption HAVE_M32_MPERS ' m32-mpers' ' no-m32-mpers')
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option_mx32=$(getoption HAVE_MX32_MPERS ' mx32-mpers' ' no-mx32-mpers')
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;;
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aarch64|powerpc64|riscv|s390x|sparc64|tile|x32)
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option_m32=$(getoption HAVE_M32_MPERS ' m32-mpers' ' no-m32-mpers')
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;;
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esac
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features="${option_unwind}${option_demangle}${option_m32}${option_mx32}"
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[ -n "$features" ] || features=" (none)"
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cat > "$EXP" << __EOF__
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$(getstr PACKAGE_NAME) -- version $(getstr PACKAGE_VERSION)
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Copyright (c) 1991-${config_year} The strace developers <$(getstr PACKAGE_URL)>.
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This is free software; see the source for copying conditions. There is NO
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warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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Optional features enabled:${features}
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__EOF__
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match_diff "$LOG" "$EXP"
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