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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678
19
章
GCC
でコンパイル
19.9
オプションと環境変数のまとめ
本節ではよく使うGCCオプションをすぐ参照できるようにまとめ、GCCで使う環境変数
を示す。
19.9.1
コマンドラインオプション
オプション 機能
-c
プリプロセス、コンパイル、アセンブルだけ（すなわち、リ
ンクしない）
-C
プリプロセスでコメントを残す。
-D
name
[=
definition
]
シンボル名を定義する。
-e
name
name
でプログラム実行を開始する。
-E
プリプロセスだけ実行する。
-o
がなければ
stdout
に出力。
-ffast-math
正確さと精度を犠牲にしてより高速な浮動小数点算術手法
を許可する。
-ffinite-math-only
無限大とNaN（「非数」）値を無視する。
-ffreestanding
フリースタンディング（ホストなし）プログラムとしてコン
パイル。
-finline-functions
,
-fno-inline-functions
インライン関数を有効/無効にする。
-fno-math-errno
単純数学関数で
errno
変数を無効にする。
-fmerge-constants
同じ定数を一箇所に置く。
-fno-trapping-math
「非停止」浮動小数点コードを生成する。
-frounding-math
浮動小数点環境の丸めモードを無視しない（実験的）。
-fsignaling-nans
NaNシグナルによる全例外を許す（実験的）。
-fsyntax-only
コンパイルもリンクもしない。構文が正しいかの ...
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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.