Update `compiler_builtins` to v0.1.45

[rust.git] / config.toml.example

diff --git a/config.toml.example b/config.toml.example
index 7e88de80a02d899cc4c5bfdb6d9991e08d6c7b7a..df2fb448b7d4dc9b437636fe6ff40f69e3c8257d 100644 (file)
--- a/config.toml.example
+++ b/config.toml.example
@@ -264,10 +264,11 @@ changelog-seen = 2
 # be built if `extended = true`.
 #extended = false
 
-# Installs chosen set of extended tools if `extended = true`. By default builds all.
-# If chosen tool failed to build the installation fails. If `extended = false`, this
-# option is ignored.
-#tools = ["cargo", "rls", "clippy", "rustfmt", "analysis", "src"]
+# Installs chosen set of extended tools if `extended = true`. By default builds
+# all extended tools except `rust-demangler`, unless the target is also being
+# built with `profiler = true`. If chosen tool failed to build the installation
+# fails. If `extended = false`, this option is ignored.
+#tools = ["cargo", "rls", "clippy", "rustfmt", "analysis", "src"] # + "rust-demangler" if `profiler`
 
 # Verbosity level: 0 == not verbose, 1 == verbose, 2 == very verbose
 #verbose = 0
@@ -370,7 +371,7 @@ changelog-seen = 2
 # Whether to download the stage 1 and 2 compilers from CI.
 # This is mostly useful for tools; if you have changes to `compiler/` they will be ignored.
 #
-# FIXME: currently, this also uses the downloaded compiler for stage0, but that causes unnecessary rebuilds.
+# You can set this to "if-unchanged" to only download if `compiler/` has not been modified.
 #download-rustc = false
 
 # Number of codegen units to use for each compiler invocation. A value of 0
@@ -562,6 +563,14 @@ changelog-seen = 2
 
 # Use LLVM libunwind as the implementation for Rust's unwinder.
 # Accepted values are 'in-tree' (formerly true), 'system' or 'no' (formerly false).
+# This option only applies for Linux and Fuchsia targets.
+# On Linux target, if crt-static is not enabled, 'no' means dynamic link to
+# `libgcc_s.so`, 'in-tree' means static link to the in-tree build of llvm libunwind
+# and 'system' means dynamic link to `libunwind.so`. If crt-static is enabled,
+# the behavior is depend on the libc. On musl target, 'no' and 'in-tree' both 
+# means static link to the in-tree build of llvm libunwind, and 'system' means 
+# static link to `libunwind.a` provided by system. Due to the limitation of glibc,
+# it must link to `libgcc_eh.a` to get a working output, and this option have no effect.
 #llvm-libunwind = 'no'
 
 # Enable Windows Control Flow Guard checks in the standard library.