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Set RUSTC_BOOTSTRAP=1 consistently #120096

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Jan 19, 2024
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Set RUSTC_BOOTSTRAP=1 consistently #120096

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19 changes: 11 additions & 8 deletions src/bootstrap/bootstrap.py
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Original file line number Diff line number Diff line change
Expand Up @@ -924,14 +924,17 @@ def build_bootstrap_cmd(self, env):
# default toolchain is not nightly.
#
# But that setting has the collateral effect of rust-analyzer also
# passing RUSTC_BOOTSTRAP=1 to all x.py invocations too (the various
# overrideCommand). For compiling bootstrap, that is unwanted and can
# cause spurious rebuilding of bootstrap when rust-analyzer x.py
# invocations are interleaved with handwritten ones on the command line.
env.pop("RUSTC_BOOTSTRAP", None)

# preserve existing RUSTFLAGS
env.setdefault("RUSTFLAGS", "")
# passing RUSTC_BOOTSTRAP=1 to all x.py invocations too (the various overrideCommand).
# For compiling bootstrap that can cause spurious rebuilding of bootstrap when
# rust-analyzer x.py invocations are interleaved with handwritten ones on the
# command line.
#
# Set RUSTC_BOOTSTRAP=1 consistently.
env["RUSTC_BOOTSTRAP"] = "1"

default_rustflags = "" if env.get("RUSTFLAGS_BOOTSTRAP", "") else "-Zallow-features="

env.setdefault("RUSTFLAGS", default_rustflags)

target_features = []
if self.get_toml("crt-static", build_section) == "true":
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