mcpp ☆

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Description:
Alternative C/C++ preprocessor

Type: Formula | Tracked Since: Dec 28, 2025

Links: Homepage | formulae.brew.sh

Category: Developer tools

Tags: preprocessor c cpp development compiler-tool

Install: brew install mcpp

About:
mcpp is a highly portable and standards-conforming C/C++ preprocessor. It offers strict checking and diagnostic capabilities, making it valuable for developers needing to ensure code compliance and identify subtle preprocessor errors. Its portability allows it to be integrated into various build environments and toolchains.

Key Features:

Strict standards conformance (C99/C11/C++98/C++11)
High portability across different operating systems
Detailed error and warning diagnostics
Support for multiple execution modes

Use Cases:

Validating code for strict standards compliance
Debugging complex macro expansions and preprocessor logic
Integrating a portable preprocessor into custom build systems

Alternatives:

cpp (GNU) – The standard GCC preprocessor; mcpp is often considered stricter and more portable for non-GCC compilers.
Clang preprocessor – Part of the Clang/LLVM toolchain; mcpp is a standalone alternative focused on portability and strict diagnostics.

Version History

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