boost

USE flags

• abi_mips_n32 - 64-bit (32-bit pointer) libraries
• abi_mips_n64 - 64-bit libraries
• abi_mips_o32 - 32-bit libraries
• abi_s390_32 - 32-bit (s390) libraries
• abi_s390_64 - 64-bit (s390x) libraries
• abi_x86_32 - 32-bit (x86) libraries
• abi_x86_64 - 64-bit (amd64) libraries
• abi_x86_x32 - x32 ABI libraries
• bzip2 - Use the bzlib compression library
• context - Build and install the Boost.Context (and Boost.Fiber) library and all other Boost libraries that depend on it
• debug - Build and install only the debug version of the Boost libraries. Only enable this flag if you're developing against boost.
• doc - Install the full API documentation documentation. This takes over 200MB of extra disk space.
• icu - Enable ICU (Internationalization Components for Unicode) support, using dev-libs/icu
• lzma - Support for LZMA (de)compression algorithm
• mpi - Add MPI (Message Passing Interface) layer to the apps that support it
• nls - Build libboost_locale. This library requires compatible C library interfaces, which might not be provided by uClibc or other embedded libraries.
• numpy - Optionally build NumPy extensions when Boost.Python is enabled
• python - Add optional support/bindings for the Python language
• python_targets_python3_10 - Build with Python 3.10
• python_targets_python3_11 - Build with Python 3.11
• python_targets_python3_12 - Build with Python 3.12
• python_targets_python3_9 - Build with Python 3.9
• stacktrace - Build the full Boost.Stacktrace dynamic library instead of relying on the header-only implementation
• tools - Build and install the boost tools (bcp, quickbook, inspect, wave)
• zlib - Add support for zlib (de)compression
• zstd - Enable support for ZSTD compression

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