サブディレクトリにいたまま make(1) したいという気持ち

findup

#!/bin/sh
set -eu

die () {
    printf "$(basename "$0"): %s\n" "$*" >&2
    exit 1
}

get_device () {
    stat -c '%d' "$1"
}

if [ $# -eq 0 ]; then
    die 'base path must be specified'
fi

dir="$1"
shift

if [ $# -eq 0 ]; then
    die 'options for `find` must be specified'
fi

cur="$(realpath "$dir")"
current_device="$(get_device "$cur")"

while true; do
    found="$(find "$cur" -mindepth 1 -maxdepth 1 "$@")"
    if [ -n "$found" ]; then
        printf "%s\n" "$found"
        exit 0
    fi
    if [ "$cur" = / ]; then
        break
    fi
    cur="$(dirname "$cur")"
    next_device="$(get_device "$cur")"
    if [ "$current_device" != "$next_device" ]; then
        die 'stopping at filesystem boundary'
    fi
done

exit 1

makeup

#!/bin/sh
set -eu

found="$(findup . -name Makefile -o -name GNUmakefile | head -n 1)"
if [ -n "$found" ]; then
    make -C "$(dirname "$found")" "$@"
else
    exit 1
fi