How to compile C/C ++ programs using Visual Studio-command line

How to compile C/C ++ programs using Visual Studio-command line
VS build tool Introduction

We all know that the C/csf-‑source code must be compiled and linked to generate executable. EXE programs. In the VS tool, you only need to select the menu Build or press F5 to compile, link, and run. In fact, IDE has helped me hide a lot of details.

First, let's assume that VS2010 is installed in the following directory:

C: Program Files (x86) Microsoft Visual Studio 10.0

OpenVSDIRVcincan see a series of executable program .exe and batch files. These are the tools used for VS2010 construction, compilation, and linking. Let's take a look at several major tools:
Cl.exe: Compile the program
Link.exe: link Program
Lib.exe: The program that loads the lib Library
Nmake.exe: a tool for building and compiling with makefile

Compile a program using the command line

To compile a program in the command line (instead of VS), you must first prepare the environment variable. Execute some online tutorialsVSDIRVCin cvars32.bat can be used for batch processing, but an error will be reported when I execute this batch:

Setting environment for using Microsoft Visual Studio 2010x86 tools.

This is another problem, so I don't care. Directly manually configure the environment variable:
Right-click my computer-> properties-> advanced system settings-> advanced-> environment variables. The values of the prepared environment variables (recommended in the user's environment variables) are as follows:
VS2010_DIR:
C: Program Files (x86) Microsoft Visual Studio 10.0
WIN_SDK:
C: Program Files (x86) Microsoft SDKs
Path:
C: UsersAdministrator. dnxin; % VS2010_DIR % VCin; % VS2010_DIR % Common7IDE
Include:
% VS2010_DIR % VCinclude; % WIN_SDK % Windows 7.0 AInclude;
Lib:
% VS2010_DIR % VClib; % WIN_SDK % Windows 7.0 ALib;

Test

D: CppWorkspaceCommandTestHelloWorld. cpp:

#include 
  
   #include 
   
    int main(){    std::cout << This is a native C++ program. << std::endl;    printf(printf: Hello World);    return 0;}
   
  

Compilation result:

Compile C/C ++ programs in the command line

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Program.

You can use "cl-help" to view frequently used compilation options.

Option	Function
/O1	Create small code
/O2	Create quick code
/Oa	Assume there is no alias
/Ob	Control Inline expansion
/Od	Disable Optimization
/Og	Use global optimization
/Oi	Generate internal functions