Visual Studio Platform工具集和运行时库

Question

After browsing here and there, i have come to following conclusion

1. Visual Studio Platform Toolset - Compiler, Linker, Assembler etc which changes with each version of Visual Studio (mostly).

Note : If your project is built with previous version of Platform toolset then it may not work as such with newer version of platform toolset as they may be incompatible.

2. Runtime Library - A library which assists in running the code(program) you write by acting as an intermediary between Program and Operating system. It has various options like /Mt /Mtd /MD /MDd which stand for multithreaded static, multithreaded staticdebug, multithreaded dynamic, multithreaded dynamic debug respcetiviely

Note: All modules of your code must be using same Runtime to be compatible ie one module built with /Mt should be used with application too using Runtime library as /Mt else there may be issues.

Am i right in my summary above? Or still i am not clear about this? Can anyone provide their inputs

I have googled, played tutorials and tried to consolidate all the information above. Not sure did i understand it or still having some bits and pieces missing.

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Answer 1

The platform toolset consists of the C++ compiler (cl.exe) and linker (link.exe), along with the C/C++ standard libraries. Since Visual Studio 2015, the major version of the toolset has remained at 14, which means that projects compiled with Visual Studio 2019 or Visual Studio 2017 are ABI-backwards-compatible with projects compiled with Visual Studio 2015.

The Microsoft run-time library provides routines for programming for the Microsoft Windows operating system. These routines automate many common programming tasks that are not provided by the C and C++ languages. The C Run-time Library (CRT) is the part of the C++ Standard Library that incorporates the ISO C99 standard library. The Visual C++ libraries that implement the CRT support native code development, and both mixed native and managed code. All versions of the CRT support multi-threaded development. Most of the libraries support both static linking, to link the library directly into your code, or dynamic linking to let your code use common DLL files.