probe-size.sh (380B)
- set -e
- if [ "$#" -lt 3 ] ; then
- printf 'usage: %s var out command...\n' "$0" >&2
- exit 2
- fi
- var=$1
- out=$2
- shift 2
- for size in 8 4 2 1 ; do
- echo "==> trying $var=$size..." >&2
- if "$@" -D "$var=$size" ; then
- echo '==> success' >&2
- echo "#define $var $size" >"$out"
- exit 0
- fi
- done 2>"$out.log"
- cat "$out.log"
- printf "%s: could not determine %s\n" "$0" "$var" >&2
- exit 1