Generate Makefile for generate_sources.rb

generate_makefile.rb

#!/usr/bin/env ruby
$-v = true

require 'etc'

BIN_DIR = 'binaries'.freeze

if File.exist?(BIN_DIR)
	abort "\e[1;31mFile #{FILE} already exist!\e[0m" if File.file?(BIN_DIR)
else
	Dir.mkdir(BIN_DIR)
end

files = Dir["cfiles/*.c"]

names = files.map { |x|
	File.split(x)[-1].split(?.)[0..-2].join(?.).split.join(?_)
}

all = names.join(?\s)

dests = files.map.with_index { |x, i|
	%Q(#{names[i]}:\n\t$(CC) $(CFLAGS) "#{x}" -o "binaries/#{names[i]}")
}.join(?\n)

makefile = <<~EOF
	CC=gcc
	CFLAGS="-O0"

	all: #{all}
	#{dests}
EOF

cpu = Etc.nprocessors.clamp(1, files.count)
puts makefile, %Q(\e[1;38;2;0;220;0mGenerated Makefile\nPlease Run "make all -j#{cpu}"\e[0m)

IO.write("Makefile", makefile)