34Developing Cross-Platform and Cross-Language Applications
C++ programs can be compiled to run on a variety of computing platforms, and the language has been rigorously defined to ensure that programming in C++ for one platform is similar to programming in C++ for another. Yet, despite the standardization of the language, platform differences eventually come into play when writing professional-quality programs in C++. Even when development is limited to a particular platform, small differences in compilers can elicit major headaches. This chapter examines the necessary complication of programming in a world with multiple platforms and multiple programming languages.
The first part of this chapter surveys the platform-related issues that C++ programmers encounter. A platform is the collection of all the details that make up your development and/or run-time system. For example, your platform may be the Microsoft Visual C++ 2022 compiler running on Windows 11 on an Intel Core i7 processor. Alternatively, your platform might be the GCC 13.2 compiler running on Linux on a PowerPC processor. Both of these platforms are ...
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