[GLUTEN-11559][VL] Add incremental C++ build script for fast development iteration #11595
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Add dev/inc-build-cpp.sh for fast incremental C++ builds with auto-detection: Performance improvements: - Switch from Make to Ninja: 4m53s -> 0.1s no-op (1400x faster) - Skip redundant cmake configure steps (use 'cmake --build' directly) - Default skip vcpkg check (use --update_vcpkg when needed) - Preserve vcpkg timestamps to avoid unnecessary relinking - Result: 3m14s -> 0.27s total no-op time Auto-detection: - BUILD_TYPE from velox _build/debug or _build/release directory - SCALA_VERSION from backends-velox/target/scala-X.XX directory - Vcpkg options (BUILD_TESTS, ENABLE_S3/GCS/ABFS) from CMakeCache.txt - Validate CMakeCache.txt exists (required for incremental build) Helper functions extracted to build-helper-functions.sh: - initialize_num_threads, get_platform, get_maven_arch - log_build_step, validate_directory - setup_vcpkg_environment, copy_gluten_libraries Usage: ./dev/inc-build-cpp.sh [--build_type=Debug|Release] [--scala_version=2.13] [--update_vcpkg]
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What changes were proposed in this pull request?
Gluten's incremental C++ builds take ~3 minutes even for no-op builds (make-based workflow), making the AI-driven edit → compile → test → fix loop impractically slow. With this new
dev/inc-build-cpp.shscript using Ninja and smart vcpkg timestamp preservation, incremental builds now complete in under 30 seconds and zero-change builds in 0.27 seconds.Performance Improvements:
Features:
Usage:
Why are the changes needed?
AI-assisted development requires fast iteration cycles. The existing
dev/package-vcpkg.shis designed for full builds and includes overhead from Velox source reset, OS dependency setup, and Maven builds. This script focuses purely on incremental C++ compilation for the edit → compile → test → fix loop.Does this PR introduce any user-facing change?
No, this is a developer tool for faster C++ incremental builds.
How was this patch tested?
bash -n dev/inc-build-cpp.shRelated Issue
Fixes #11559 (PR 2 of 2)
Previous PR: #11560
🤖 AI-Assisted Development: This PR was created with Claude Code to optimize the AI-driven development workflow.