#!/bin/bash

TARGET_DIR="programs"

if [ ! -d "$TARGET_DIR" ]; then
    exit 1
fi

find "$TARGET_DIR" -type f \( -name "Makefile" -o -name "makefile" \) | while read -r makefile_path; do    
    dir_path=$(dirname "$makefile_path")
    (
        cd "$dir_path" || exit
        
        make clean
        make
    )
done