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roadmap.md

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Roadmap

We aim to follow roughly a time-based release schedule. The roadmap describes likely focus and goals for current and upcoming release cycles, but these may change in the interest of keeping releases moving or meeting areas of user and developer interest.

musl 1.1.20

Estimated release: Late April

Goals & Focus:

  • Adding getrandom/getentropy functions
  • Support for malloc replacement.
  • Using stdio buffer provided to setvbuf
  • General stdio cleanup and internal consistency fixes
  • Linux uapi updates
  • NOMMU/FDPIC improvements
  • Merging further improvements associated with new internal lock implementation
  • Complex trig/hyperbolic function basic correctness fixes

musl 1.1.21

Estimated release: Early June

Goals & Focus:

  • Locale support polishing:
    • Handling for MON_5/ABMON_5 translation ambiguity ("May")
    • LC_NUMERIC, LC_MONETARY, and LC_COLLATE functionality
  • Resolver support for non-ASCII domains (IDN)
  • Dynamic linker improvements:
    • Dependency ordering of dynamic-linked constructors
    • Resolving recursive dlopen locking issues
    • Code cleanup & deduplication
  • Adding GLOB_TILDE to glob implementation
  • UB-correctness fixes including string functions and stdio
  • Merging riscv port

Open future goals

  • IEEE quad math correctness
  • Complex math correctness Complex math correctness
  • Enhanced LSB/glibc ABI-compat, especially fortify __*_chk symbols
  • Remapping of glibc-ABI-incompatible symbols (regexec, etc.) by dynamic linker
  • New getlogin[_r] with lookup via controlling tty
  • Possible non-stub utmp backends
  • ARM Cortex-M FDPIC ABI
  • Resolving GCC symbol-versioning incompatibility issue - see http://www.openwall.com/lists/musl/2015/05/10/1
  • Message translation support for dynamic linker

Milestone goals for musl 1.2.0

The following tentative goals for what would constitute "musl 1.2.0" have been established. There is no projected release date for 1.2.0 at this time.

  • Cleanup & build system - DONE
    • Deduplication and asm-reduction of atomic operations
    • Deduplication of bits headers for archs
    • Support for out-of-tree builds
  • Improved locale and multilingual support
    • LC_COLLATE support for collation orders other than simple codepoint order
    • Support for LC_MONETARY and LC_NUMERIC properties.
    • IDN support in DNS resolver
    • Character data aligned with current Unicode at time of release
  • Porting
    • Aarch64 (64-bit ARM) port - DONE
    • RISC-V (32- and 64-bit) ports
    • Promoting existing experimental ports up from experimental status
  • Documentation
    • Bringing existing documentation into alignment with changes made since 1.0.0
    • Documenting new and non-obsolescent extensions in detail
    • Adapting text from wiki and other sources on properties of the implementation relevant to programmers and end users
  • Third-party projects
    • Non-glibc-based nscd-protocol backend for LDAP (and perhaps NIS)
    • Locale data and libc message translations
    • External header-file-only fortify library providing _FORTIFY_SOURCE feature - DONE
    • Support for Windows targets via Midipix (http://www.midipix.org)