Required Dependencies

Compiler Requirements

QuickFIX requires a C++17 compatible compiler:

• GCC 7+ or later
• Clang 5+ or later
• MSVC 2017+ (Visual Studio 2017 or later)

Build Systems

• CMake 3.12+ — the only supported build system, on every platform (3.13+ for cmake -B, 3.19+ for ctest --no-tests=error)

Platform-Specific Dependencies

Platform	Build Tools	Testing
Windows	Visual Studio 2017+ CMake 3.5+	Catch2 (bundled)
Linux	GCC 7+ or Clang 5+ CMake 3.12+ make Standard C++ library	Catch2 (bundled)
macOS	Xcode Command Line Tools CMake 3.12+ Clang (included with Xcode)	Catch2 (bundled)

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Optional Dependencies

SSL/TLS Support

• OpenSSL - For encrypted FIX connections

Database Message Stores

• MySQL - MySQL client library for MySQL message store
• PostgreSQL - PostgreSQL client library for PostgreSQL message store
• ODBC - ODBC driver for database connectivity (replaces deprecated MSSQL support)

Language Bindings

• Python 3 - For Python bindings (Python 2 no longer supported)
• Ruby - To run the acceptance test suite
• SWIG - Required only if regenerating language bindings

Documentation

• Doxygen - For generating API documentation

Embedded Libraries

The following libraries are included with QuickFIX and do not need to be installed separately:

• pugixml - XML parsing (embedded, replaces libxml2)
• Catch2 - Unit testing framework (embedded)
• double-conversion - Fast double/string conversion (embedded)