# These defaults are meant for contributors to the compiler who do not modify codegen or LLVM [build] # Contributors working on the compiler will probably expect compiler docs to be generated. compiler-docs = true [rust] # This enables `RUSTC_LOG=debug`, avoiding confusing situations # where adding `debug!()` appears to do nothing. # However, it makes running the compiler slightly slower. debug-logging = true # This greatly increases the speed of rebuilds, especially when there are only minor changes. However, it makes the initial build slightly slower. incremental = true # Print backtrace on internal compiler errors during bootstrap backtrace-on-ice = true # Make the compiler and standard library faster to build, at the expense of a ~20% runtime slowdown. lto = "off" # Forces frame pointers to be used with `-Cforce-frame-pointers`. # This can be helpful for profiling at a small performance cost. frame-pointers = true # Build the llvm-bitcode-linker as it is required for running nvptx tests llvm-bitcode-linker = true [llvm] # Having this set to true disrupts compiler development workflows for people who use `llvm.download-ci-llvm = true` # because we don't provide ci-llvm on the `rustc-alt-builds` server. Therefore, it is kept off by default. assertions = false # Enable warnings during the LLVM compilation (when LLVM is changed, causing a compilation) enable-warnings = true # Will download LLVM from CI if available on your platform. download-ci-llvm = "if-unchanged"