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-rw-r--r--mesonbuild/compilers/detect.py2
1 files changed, 2 insertions, 0 deletions
diff --git a/mesonbuild/compilers/detect.py b/mesonbuild/compilers/detect.py
index 59b425b..c2c61ef 100644
--- a/mesonbuild/compilers/detect.py
+++ b/mesonbuild/compilers/detect.py
@@ -970,6 +970,8 @@ def detect_rust_compiler(env: 'Environment', for_machine: MachineChoice) -> Rust
'or use the RUST_LD environment variable, otherwise meson '
'will override your selection.')
+ compiler = compiler.copy() # avoid mutating the original list
+
if override is None:
extra_args: T.Dict[str, T.Union[str, bool]] = {}
always_args: T.List[str] = []