1# These defaults are meant for contributors to the compiler who do not modify codegen or LLVM 2[build] 3# Contributors working on the compiler will probably expect compiler docs to be generated. 4compiler-docs = true 5 6[rust] 7# This enables `RUSTC_LOG=debug`, avoiding confusing situations 8# where adding `debug!()` appears to do nothing. 9# However, it makes running the compiler slightly slower. 10debug-logging = true 11# This greatly increases the speed of rebuilds, especially when there are only minor changes. However, it makes the initial build slightly slower. 12incremental = true 13# Print backtrace on internal compiler errors during bootstrap 14backtrace-on-ice = true 15# Make the compiler and standard library faster to build, at the expense of a ~20% runtime slowdown. 16lto = "off" 17 18[llvm] 19# Will download LLVM from CI if available on your platform. 20download-ci-llvm = "if-available" 21