November 2016
Beginner to intermediate
816 pages
19h 58m
Japanese
Content preview from Cクイックリファレンス 第2版
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681
20
章
make
で
C
プログラムを
ビルドする
18章で紹介したように、Cプログラムをコンパイルしてリンクするには、多数の複雑な
コマンドが必要となる。makeユーティリティは、どんなに複雑で大きなプログラムでもコ
ンパイル処理を自動化して管理する。1つのmakeコマンドで数百のコンパイラやリンカコ
マンドを代替できる。さらに、makeは関連ファイルのタイムスタンプを比較して、既に行っ
た作業を繰り返すのを防ぐ。最も重要なことは、さまざまなターゲットをどのようにビルド
するか定義した個別ルールを管理し、関連する全ファイルについて依存関係を自動的に分
析することだ。
さまざまなバージョンのmakeがあり、機能と用法が大きく異なる。組み込み変数集合
が異なり、ターゲットに特別な意味がある。本章では、さまざまなものをカバーするので
はなくて、広く使われているGNU makeに絞る（デフォルトが異なるmakeのシステム
で
は、GNU makeは実行名gmakeであることが多い）。さらに、GNU makeに関しても本章
は基本にとどまる。本書では、makeをCソースコードからのプログラムビルド用ツールと
してだけ使う。makeの全機能を活用するなら、プログラムのドキュメントを読むしかない。
makeの高度な機能を使うためには、Robert Mecklenburg著、矢吹道郎監訳、菊池彰訳、
GNU Make第3版、オライリー・ジャパン（2005）を参照。
20.1
ターゲット、前提条件、コマンド
makeによる解
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.