X-Git-Url: https://git.lizzy.rs/?a=blobdiff_plain;f=config.toml.example;h=e832570ed982e5f858924128358dab9bcf08140c;hb=9e346646e93cc243567e27bb0f4e8716d56ad1f1;hp=2e3b714f9228ab76bfdc3811fc71ecb596bd673f;hpb=53a3bfc82bb962b4b604d489646567714fe4e2a2;p=rust.git

diff --git a/config.toml.example b/config.toml.example
index 2e3b714f922..e832570ed98 100644
--- a/config.toml.example
+++ b/config.toml.example
@@ -258,10 +258,9 @@
 [rust]
 
 # Whether or not to optimize the compiler and standard library.
-#
-# Note: the slowness of the non optimized compiler compiling itself usually
-#       outweighs the time gains in not doing optimizations, therefore a
-#       full bootstrap takes much more time with `optimize` set to false.
+# WARNING: Building with optimize = false is NOT SUPPORTED. Due to bootstrapping,
+# building without optimizations takes much longer than optimizing. Further, some platforms
+# fail to build without this optimization (c.f. #65352).
 #optimize = true
 
 # Indicates that the build should be configured for debugging Rust. A
@@ -341,6 +340,9 @@
 # nightly features
 #channel = "dev"
 
+# The root location of the MUSL installation directory.
+#musl-root = "..."
+
 # By default the `rustc` executable is built with `-Wl,-rpath` flags on Unix
 # platforms to ensure that the compiler is usable by default from the build
 # directory (as it links to a number of dynamic libraries). This may not be
@@ -374,10 +376,7 @@
 
 # This is an array of the codegen backends that will be compiled for the rustc
 # that's being compiled. The default is to only build the LLVM codegen backend,
-# but you can also optionally enable the "emscripten" backend for asm.js or
-# make this an empty array (but that probably won't get too far in the
-# bootstrap)
-# FIXME: remove the obsolete emscripten backend option.
+# and currently the only standard option supported is `"llvm"`
 #codegen-backends = ["llvm"]
 
 # This is the name of the directory in which codegen backends will get installed