Swift 5.10 Release

What's Changed

• Various set of SPM based build updates for Windows by @compnerd in #873
• Various build fixes to get llbuild to build with SPM on Windows by @compnerd in #874
• Reapply changes to use posix_spawn_file_actions_addchdir_np on macOS by @owenv in #876
• Fix test for Apple Silicon bot by @hamishknight in #878
• Add support for Musl libc by @MaxDesiatov in #881
• Fixup use of invalid implicit cast of strongly-typed enum to underlying type. by @artemcm in #882
• Fix recent build regression on Android by @finagolfin in #883
• Introduce the concept of "detached" external commands for the C/Swift API by @akyrtzi in #886
• Remove -incremental when using -whole-module-optimization by @keith in #884
• Add new Swift API for creating CustomTasks from byte arrays instead of strings by @owenv in #887
• Add missing dependencies by @neonichu in #888
• [5.10] Revert 'Add missing dependencies (#888)' by @finagolfin in #892
• Remove file path sensitivity from DB error handling checks in unit tests by @dmbryson in #902

New Contributors

• @artemcm made their first contribution in #882

Full Changelog: swift-5.9.2-RELEASE...swift-5.10-RELEASE

0.4.0: Merge pull request #712 from edymtt/output-1-output-2-any-order

[Test] Relax ordering assumption in max-commands-progress.ninja

0.2.0: Merge pull request #501 from dmbryson/dcfix-5.1

Matches the Swift 5.1 release.

0.1.1: Update manifest to tools version 5

This updates the manifest to tools version 5 so we can use the new API
for setting linker flags. There is also a version-specific manifest for
older Swift 4.2 clients.

(cherry picked from commit c7333ce637ee7b177eadaae82afa5c6fe9349572)

0.1.0: Merge pull request #427 from jmittert/DiffLib

Rename llbuild.dll to libllbuild.dll on Windows

swift-4.2.2-RELEASE

Simplify create method

Swift 4.2.1 Release

swift-4.2.1-RELEASE

Simplify create method

Swift 4.2 Release

swift-4.2-RELEASE

Simplify create method