# BuildXL (Microsoft Build Accelerator)

This is the primary documentation for BuildXL (Microsoft Build Accelerator). If you are Microsoft employee, there is some additional [internal documentation](https://aka.ms/buildxl) on integrating BuildXL with Microsoft internal systems.


# Overview
* [Introduction](../README.md)
* [Why BuildXL?](Wiki/WhyBuildXL.md)
* [Core Concepts](Wiki/CoreConcepts.md)
* [Cross platform](Wiki/cross-platform.md)

# Onboarding to BuildXL
* [Frontends](Wiki/Frontends.md)
* [Frontends - DScript](Wiki/Frontends/DScript/Main.md)
* [Frontends - Download](Wiki/Frontends/Download.md)
* [Frontends - Javascript](Wiki/Frontends/js-onboarding.md)
* [Frontends - MSBuild](Wiki/Frontends/MSBuild/Main.md)
* [Demos](../Public/Src/Demos/Demos.md)
* [Configuring a shared cache using an Azure Blob Storage Account](Wiki/shared-cache.md)
* [Configuring a developer cache using an Azure Blob Storage Account](Wiki/shared-cache.md#developer-cache)

# Using BuildXL
* [Breakway processes](Wiki/Advanced-Features/Process-breakaway.md)
* [Caching - Overview](../Public/Src/Cache/README.md)
* [Caching - Build Graph](Wiki/Advanced-Features/Graph-Reuse.md)
* [Caching - Two Phase Cache Lookup](Wiki/Advanced-Features/Two-Phase-Cache-Lookup.md)
* [Cancellation](Wiki/How-To-Run-BuildXL/Cancellation-(CtrlC).md)
* [Command line](Wiki/How-to-run-BuildXL.md)
* [Config file](Wiki/Configuration.md)
* [Directory Translations](Wiki/Advanced-Features/Symlinks-and-Junctions.md#directory-translations)
* [Dirty Build](Wiki/How-To-Run-BuildXL/Dirty-Build.md)
* [Distributed builds](Wiki/Distributed-Builds.md)
* [DScript - Introduction](Wiki/DScript/Introduction.md)
* [DScript - Comments](Wiki/DScript/Comments.md)
* [DScript - Debugging](Wiki/DScript/Debugging.md)
* [DScript - vs. Typescript](Wiki/DScript/DScript-vs-Typescript.md)
* [DScript - Enumerations](Wiki/DScript/Enums-vs-typed-strings.md)
* [DScript - Evaluation Semantics](Wiki/DScript/Evaluation-Semantics.md)
* [DScript - Functions](Wiki/DScript/Functions.md)
* [DScript - Globbling](Wiki/DScript/Globbing.md)
* [DScript - Import and Export](Wiki/DScript/Import-export.md)
* [DScript - List files](Wiki/DScript/List-files.md)
* [DScript - Merge and Override](Wiki/DScript/Merge-and-Override.md)
* [DScript - Policies (Lint rules)](Wiki/DScript/Policies-(Lint-rules).md)
* [DScript - Qualifiers](Wiki/DScript/Qualifiers.md)
* [DScript - Reusing Declarations (factoring)](Wiki/DScript/Reusing-Declarations-(factoring).md)
* [DScript - Templates](Wiki/DScript/Templates.md)
* [DScript - Types](Wiki/DScript/Types.md)
* [File Materialization](Wiki/File-Materialization.md)
* [Filesystem modes and enumerations](Wiki/Advanced-Features/Filesystem-modes-and-Enumerations.md)
* [Filtering](Wiki/How-To-Run-BuildXL/Filtering.md)
* [Incremental Scheduling](Wiki/Advanced-Features/Incremental-Scheduling.md)
* [Incremental Tools](Wiki/Advanced-Features/Incremental-tools.md)
* [Interpreting and Troubleshooting ADO Error Log Messages](Wiki/Interpreting-BXL-Outputs/Interpreting-ADO-Console-Error-Messages.md)
* [Modules](Wiki/Modules.md)
* [Mounts](Wiki/Advanced-Features/Mounts.md)
* [Paged Hashes](Specs/PagedHash.md)
* [Parameters (Environment Variables)](Wiki/Advanced-Features/Build-Parameters-(Environment-variables).md)
* [Performance Tuning](Wiki/Advanced-Features/Performance-Tuning.md)
* [Pip requested file materialization](Wiki/External-OnDemand-File-Materialization-API.md)
* [Pip Weight](Wiki/Advanced-Features/Pip-Weight.md)
* [Preserve Outputs](Wiki/Advanced-Features/Preserving-outputs.md)
* [Process Timeouts](Wiki/Advanced-Features/Process-Timeouts.md)
* [Sandboxing](Specs/Sandboxing.md)
* [Scheduler Prioritization](Wiki/Advanced-Features/Scheduler-Prioritization.md)
* [Sealed Directories](Wiki/Advanced-Features/Sealed-Directories.md)
* [Search Path Enumeration](Wiki/Advanced-Features/Search-Path-Enumeration.md)
* [Service Pips](Wiki/Service-Pips.md)
* [Server Mode](Wiki/Advanced-Features/Server-Mode.md)
* [Source Change Affected Inputs](Wiki/Advanced-Features/Source-Change-Affected-Inputs.md)
* [Symlinks and Junctions](Wiki/Advanced-Features/Symlinks-and-Junctions.md)
* [File streams](Wiki/Advanced-Features/File-Streams.md)
* [Timestamp Faking](Wiki/Advanced-Features/Timestamp-Faking.md)
* [Unsafe Flags](Wiki/How-To-Run-BuildXL/Unsafe-flags.md)
* [BuildXL Command line Flags](Wiki/Flags.md)

# Understanding BuildXL logs
* [Logging](Wiki/How-To-Run-BuildXL/Log-Files.md)
* [Cache Miss Analysis](Wiki/Advanced-Features/Cache-Miss-Analysis.md)
* [Console Output](Wiki/How-To-Run-BuildXL/Console-output.md)
* [DX Error Code Details](Wiki/Error-Codes)
* [Execution Log (XLG)](Wiki/How-To-Run-BuildXL/Log-Files/BuildXL.xlg.md)
* [Execution Log Analyzer](Wiki/Advanced-Features/Execution-Analyzer.md) 
* [Execution Log Debugger](Wiki/Advanced-Features/XLG-Debugger/INDEX.md) 
* [File Access Trace File](Wiki/Advanced-Features/TraceFile.md)
* [Options](Wiki/How-To-Run-BuildXL/Logging-Options.md)
* [Primary log file](Wiki/How-To-Run-BuildXL/Log-Files/BuildXL.log.md)
* [Stats log file](Wiki/How-To-Run-BuildXL/Log-Files/BuildXL.stats.md)
* [Trace file](Wiki/How-To-Run-BuildXL/Log-Files/BuildXL.trace.md)

# Development guide
* [Contributing](../CONTRIBUTING.md)
* [Code of Conduct](../CODE_OF_CONDUCT.md)
* [Developer Guide](Wiki/DeveloperGuide.md)
* [Development Productivity Tips and Tricks](Wiki/ProductivityTipsAndTricks.md)
* [Installation Instructions](Wiki/Installation.md)
* [Release Notes](Wiki/Release-Notes.md)
* [Security](../SECURITY.md)