# These defaults are meant for contributors to the standard library and documentation. [build] bench-stage = 1 test-stage = 1 [rust] # This greatly increases the speed of rebuilds, especially when there are only minor changes. However, it makes the initial build slightly slower. incremental = true # Make the compiler and standard library faster to build, at the expense of a ~20% runtime slowdown. lto = "off" # When building the standard library, you almost never want to build the compiler itself. # # If compiler-affecting directories are not modified, use precompiled rustc to speed up # library development by skipping compiler builds. # FIXME: download-rustc is currently broken: https://github.com/rust-lang/rust/issues/142505 download-rustc = false [llvm] # Will download LLVM from CI if available on your platform. # If you intend to modify `src/llvm-project`, use `"if-unchanged"` or `false` instead. download-ci-llvm = true