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-rw-r--r--src/bootstrap/bin/rustc.rs21
-rw-r--r--src/bootstrap/bin/rustdoc.rs11
2 files changed, 25 insertions, 7 deletions
diff --git a/src/bootstrap/bin/rustc.rs b/src/bootstrap/bin/rustc.rs
index 40a3cc6d1..e96f8b0d3 100644
--- a/src/bootstrap/bin/rustc.rs
+++ b/src/bootstrap/bin/rustc.rs
@@ -25,10 +25,11 @@ use std::time::Instant;
fn main() {
let args = env::args_os().skip(1).collect::<Vec<_>>();
+ let arg = |name| args.windows(2).find(|args| args[0] == name).and_then(|args| args[1].to_str());
// Detect whether or not we're a build script depending on whether --target
// is passed (a bit janky...)
- let target = args.windows(2).find(|w| &*w[0] == "--target").and_then(|w| w[1].to_str());
+ let target = arg("--target");
let version = args.iter().find(|w| &**w == "-vV");
let verbose = match env::var("RUSTC_VERBOSE") {
@@ -59,8 +60,7 @@ fn main() {
cmd.args(&args).env(dylib_path_var(), env::join_paths(&dylib_path).unwrap());
// Get the name of the crate we're compiling, if any.
- let crate_name =
- args.windows(2).find(|args| args[0] == "--crate-name").and_then(|args| args[1].to_str());
+ let crate_name = arg("--crate-name");
if let Some(crate_name) = crate_name {
if let Some(target) = env::var_os("RUSTC_TIME") {
@@ -106,6 +106,15 @@ fn main() {
{
cmd.arg("-C").arg("panic=abort");
}
+
+ // `-Ztls-model=initial-exec` must not be applied to proc-macros, see
+ // issue https://github.com/rust-lang/rust/issues/100530
+ if env::var("RUSTC_TLS_MODEL_INITIAL_EXEC").is_ok()
+ && arg("--crate-type") != Some("proc-macro")
+ && !matches!(crate_name, Some("proc_macro2" | "quote" | "syn" | "synstructure"))
+ {
+ cmd.arg("-Ztls-model=initial-exec");
+ }
} else {
// FIXME(rust-lang/cargo#5754) we shouldn't be using special env vars
// here, but rather Cargo should know what flags to pass rustc itself.
@@ -130,10 +139,8 @@ fn main() {
// Cargo doesn't pass RUSTFLAGS to proc_macros:
// https://github.com/rust-lang/cargo/issues/4423
// Thus, if we are on stage 0, we explicitly set `--cfg=bootstrap`.
- // We also declare that the flag is expected, which is mainly needed for
- // later stages so that they don't warn about #[cfg(bootstrap)],
- // but enabling it for stage 0 too lets any warnings, if they occur,
- // occur more early on, e.g. about #[cfg(bootstrap = "foo")].
+ // We also declare that the flag is expected, which we need to do to not
+ // get warnings about it being unexpected.
if stage == "0" {
cmd.arg("--cfg=bootstrap");
}
diff --git a/src/bootstrap/bin/rustdoc.rs b/src/bootstrap/bin/rustdoc.rs
index 87c1d22e7..e69cab956 100644
--- a/src/bootstrap/bin/rustdoc.rs
+++ b/src/bootstrap/bin/rustdoc.rs
@@ -11,6 +11,7 @@ include!("../dylib_util.rs");
fn main() {
let args = env::args_os().skip(1).collect::<Vec<_>>();
+ let stage = env::var("RUSTC_STAGE").expect("RUSTC_STAGE was not set");
let rustdoc = env::var_os("RUSTDOC_REAL").expect("RUSTDOC_REAL was not set");
let libdir = env::var_os("RUSTDOC_LIBDIR").expect("RUSTDOC_LIBDIR was not set");
let sysroot = env::var_os("RUSTC_SYSROOT").expect("RUSTC_SYSROOT was not set");
@@ -62,6 +63,16 @@ fn main() {
cmd.arg("-Clink-arg=-Wl,--threads=1");
}
}
+ // Cargo doesn't pass RUSTDOCFLAGS to proc_macros:
+ // https://github.com/rust-lang/cargo/issues/4423
+ // Thus, if we are on stage 0, we explicitly set `--cfg=bootstrap`.
+ // We also declare that the flag is expected, which we need to do to not
+ // get warnings about it being unexpected.
+ if stage == "0" {
+ cmd.arg("--cfg=bootstrap");
+ }
+ cmd.arg("-Zunstable-options");
+ cmd.arg("--check-cfg=values(bootstrap)");
if verbose > 1 {
eprintln!(