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bash,g++ 文件名.cpp -o 輸出文件名,“GCC(GNU Compiler Collection,GNU編譯器套件)是一個(gè)開(kāi)源的編譯器,支持多種編程語(yǔ)言,如C、C++、Objective-C、Fortran、Ada等,在本文中,我們將詳細(xì)介紹如何使用GCC編譯C++文件。

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安裝GCC
我們需要在計(jì)算機(jī)上安裝GCC,對(duì)于Windows用戶,可以從MinGW(Minimalist GNU for Windows)官網(wǎng)下載并安裝,對(duì)于Linux和macOS用戶,通常已經(jīng)預(yù)裝了GCC。
編寫C++源代碼
在開(kāi)始編譯之前,我們需要編寫一個(gè)C++源代碼文件,我們可以創(chuàng)建一個(gè)名為hello.cpp的文件,內(nèi)容如下:
includeint main() { std::cout << "Hello, World!" << std::endl; return 0; }
編譯C++源代碼
1、打開(kāi)終端(對(duì)于Windows用戶,打開(kāi)命令提示符)。
2、使用cd命令切換到包含hello.cpp文件的目錄,如果hello.cpp位于D:my_project目錄下,可以輸入以下命令:
“`
cd D:my_project
“`
3、使用以下命令編譯hello.cpp文件:
“`
g++ hello.cpp -o hello.exe
“`
這里,g++是GCC編譯器的C++版本,hello.cpp是要編譯的源文件,-o hello.exe表示將編譯后的可執(zhí)行文件命名為hello.exe。
4、如果編譯成功,終端將顯示類似以下的輸出信息:
“`
hello.cpp: In function ‘int main()’:
hello.cpp:5:9: warning: unused variable ‘a’ [-Wunused-variable]
int a = 0;
^~~~
hello.cpp:6:9: warning: unused variable ‘b’ [-Wunused-variable]
int b = 0;
^~~~
hello.cpp:7:9: warning: unused variable ‘c’ [-Wunused-variable]
int c = 0;
^~~~
hello.cpp:8:9: warning: unused variable ‘d’ [-Wunused-variable]
int d = 0;
^~~~
hello.cpp:10:9: warning: unused variable ‘e’ [-Wunused-variable]
int e = 0;
^~~~
hello.cpp:11:9: warning: unused variable ‘f’ [-Wunused-variable]
int f = 0;
^~~~
hello.cpp:12:9: warning: unused variable ‘g’ [-Wunused-variable]
int g = 0;
^~~~
hello.cpp:13:9: warning: unused variable ‘h’ [-Wunused-variable]
int h = 0;
^~~~
hello.cpp:14:9: warning: unused variable ‘i’ [-Wunused-variable]
int i = 0;
^~~~
hello.cpp:15:9: warning: unused variable ‘j’ [-Wunused-variable]
int j = 0;
^~~~
hello.cpp:16:9: warning: unused variable ‘k’ [-Wunused-variable]
int k = 0;
^~~~
hello.cpp:17:9: warning: unused variable ‘l’ [-Wunused-variable]
int l = 0;
^~~~
hello.cpp:18:9: warning: unused variable ‘m’ [-Wunused-variable]
int m = 0;
^~~~
hello.cpp:19:9: warning: unused variable ‘n’ [-Wunused-variable]
int n = 0;
^~~~
hello.cpp:20:9: warning: unused variable ‘o’ [-Wunused-variable]
int o = 0;
^~~~
hello.cpp:21:9: warning: unused variable ‘p’ [-Wunused-variable]
int p = 0;
^~~~
hello.cpp:22:9: warning: unused variable ‘q’ [-Wunused-variable]
int q = 0;
^~~~
hello.cpp:23:9: warning: unused variable ‘r’ [-Wunused-variable]
int r = 0;
^~~~
hello.cpp:24:9: warning: unused variable ‘s’ [-Wunused-variable]
int s = 0;
^~~~
hello.cpp:25:9: warning: unused variable ‘t’ [-Wunused-variable]
int t = 0;
^~~~
hello.cpp:26:9: warning: unused variable ‘u’ [-Wunused-variable]
int u = 0;
^~~~
當(dāng)前題目:gcc怎么編譯cpp文件
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