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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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.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.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.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.
700
20
章
make
で
C
プログラムをビルドする
.LOW_RESOLUTION_TIME
システムによっては、ファイルのタイムスタンプが1秒よりも小さい解像度を持つ
が、プログラムが秒単位を反映したタイムスタンプしか生成しない。この振る舞
いで、makeがシステムでのファイルの相対的な年齢の判定を間違えるようだと、
高解像度タイムスタンプでのファイルを
.LOW_RESOLUTION_TIME
前提条件として宣
言できる。するとmakeはタイムスタンプが前提条件がスタンプされた同じ秒数を
示すときにファイルを最新と考える。ライブラリアーカイブのメンバーを自動的に
低解像度タイムスタンプを持つと扱う。
.PHONY
.PHONY
の前提条件であるターゲットは常に古くなったとして扱われる。
.PRECIOUS
通常、コマンドスクリプトを実行しているmakeを割り込むと、より正確には
makeが致命的シグナルを受け取ると、makeは終了する前にビルドしていたター
ゲット
を削除する。しかし、
.PRECIOUS
の前提条件と宣言したターゲットはそのよ
うな場合に削除されない。
さらに、makeがターゲットを暗黙ルールを連結してビルドするとき、次の前提
条件であるルールで作った中間ファイルを通常削除する。しかし、そのファイル
が
.PRECIOUS
の前提条件（または
.PRECIOUS
の前提条件であるパターンに合致す
る）なら、makeは削除しない。
.SECONDARY
makeが
.SECONDARY
の前提条件のファイルを自動的に
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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.