Clang is a C, C++, and Objective-C compiler based on LLVM.
Best Boost.Wave Alternatives ranked by AI · updated Aug 2026
Boost.Wave is a standards-conforming C++ preprocessor library and toolkit implemented in C++. It is designed for developers who need programmable preprocessing, token-level access, or integration into custom source-processing tools.
Top 6 Boost.Wave alternatives
Tiny C Compiler is an x86, x86-64, and ARM processor C compiler.
3
GCC C Preprocessor (cpp)
GNU Project
GCC C Preprocessor, commonly invoked as cpp, expands macros, includes headers, and processes conditional compilation directives for C, C++, and Objective-C source....
Pros
- Excellent compatibility with GCC diagnostics, macros, and header search behavior
- Supports C, C++, Objective-C, and extensive conditional-compilation workflows
- Mature, portable, and included with most GNU compiler toolchains
Cons
- Less convenient for projects standardized on Clang-specific behavior
- Command-line diagnostics and macro debugging are less approachable than IDE-integrated tools
- Not designed as a standalone embeddable preprocessing library
Microsoft's C++ compiler included in Visual Studio.
Pros
- Integrated development environment
- Windows platform support
Cons
- Limited cross-platform compatibility
5
mcpp
Katsuhiro Ueno and the mcpp community
mcpp is a portable standalone C/C++ preprocessor designed for standards conformance and compatibility testing. It is useful to compiler developers and build...
Pros
- Focused specifically on standalone C and C++ preprocessing
- Strong emphasis on standards conformance and portability
- Can help compare or validate compiler preprocessor behavior
Cons
- Less actively integrated into mainstream build tools than GCC cpp
- Smaller community and ecosystem than GCC or Clang
- May require manual installation and configuration on modern systems
6
cpphs
Neil Mitchell and the Haskell community
cpphs is a Haskell implementation of a C preprocessor, supporting macro expansion, conditionals, and include processing. It is aimed at Haskell projects...
Pros
- Runs without requiring GCC or Clang on the host system
- Convenient for Haskell-based build pipelines and cross-platform projects
- Implemented in Haskell and usable as a library or command-line tool
Cons
- Not a drop-in behavioral replacement for GCC cpp in every extension
- Primarily maintained for Haskell ecosystem use rather than general C builds
- Slower and less ubiquitous than native preprocessors
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