问题描述
我在Windows 7 OS上使用DEV GNU c ++编译器。我需要知道如何编译具有多个源文件的程序。
例如:
I am using DEV GNU c++ compiler on windows 7 OS. I need to know how a program with more than one source file can be compiled.here is example,
#FILE1
void f1()
{
printf("this is another file under same program");
}
#FILE2
int main()
{
f1();
return 0;
}
实际上,我需要使用它来测试静态外部类说明符如何与一个文件。因此,现在只有我必须学习如何在C中的单个程序中处理多个文件。
Actually I need this to test how static, extern class specifier works with more than one file. So only I have to learn now how works with more than one files in a single program in C..
感谢前进
推荐答案
多个文件的技术术语为 :
The technical term for 'multiple files' would be translation units:
g++ file1.cpp file2.cpp -o program
或者您将编译和链接分开
Or you separate compilation and linking
g++ -c file1.cpp -o file1.o
g++ -c file2.cpp -o file2.o
# linking
g++ file1.o file2.o -o program
除非您有一个较大的项目(例如,使用 make
)并希望减少构建时间,否则没有任何意义。
But that usually doesn't make sense unless you have a larger project (e.g. with make
) and want to reduce build times.
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