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; Options for the Rust front end.
; Copyright (C) 2003-2023 Free Software Foundation, Inc.
;
; This file is part of GCC.
;
; GCC is free software; you can redistribute it and/or modify it under
; the terms of the GNU General Public License as published by the Free
; Software Foundation; either version 3, or (at your option) any later
; version.
;
; GCC is distributed in the hope that it will be useful, but WITHOUT ANY
; WARRANTY; without even the implied warranty of MERCHANTABILITY or
; FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
; for more details.
;
; You should have received a copy of the GNU General Public License
; along with GCC; see the file COPYING3. If not see
; <http://www.gnu.org/licenses/>.
; See the GCC internals manual for a description of this file's format.
; Please try to keep this file in ASCII collating order.
; Describes command-line options used by this frontend
Language
Rust
I
Rust Joined Separate
; Documented in c.opt
L
Rust Joined Separate
; Not documented
Wall
Rust
; Documented in c.opt
Wunused-variable
Rust Var(warn_unused_variable) Warning
; documented in common.opt
Wunused-const-variable
Rust Warning Alias(Wunused-const-variable=, 2, 0)
Warn when a const variable is unused.
Wunused-const-variable=
Rust Joined RejectNegative UInteger Var(warn_unused_const_variable) Warning LangEnabledBy(Rust,Wunused-variable, 1, 0) IntegerRange(0, 2)
Warn when a const variable is unused.
Wunused-result
Rust Var(warn_unused_result) Warning
Warn if a caller of a function, marked with attribute warn_unused_result, does not use its return value.
frust-crate=
Rust Joined RejectNegative
-frust-crate=<name> Set the crate name for the compilation
frust-debug
Rust Var(flag_rust_debug)
Dump various Rust front end internals.
frust-dump-
Rust Joined RejectNegative
-frust-dump-<type> Dump Rust frontend internal information.
frust-incomplete-and-experimental-compiler-do-not-use
Rust Var(flag_rust_experimental)
Enable experimental compilation of Rust files at your own risk
frust-max-recursion-depth=
Rust RejectNegative Type(int) Var(rust_max_recursion_depth) Init(64)
-frust-max-recursion-depth=integer
frust-mangling=
Rust Joined RejectNegative Enum(frust_mangling) Var(flag_rust_mangling)
-frust-mangling=[legacy|v0] Choose which version to use for name mangling
Enum
Name(frust_mangling) Type(int) UnknownError(unknown rust mangling option %qs)
EnumValue
Enum(frust_mangling) String(legacy) Value(0)
EnumValue
Enum(frust_mangling) String(v0) Value(1)
frust-cfg=
Rust Joined RejectNegative
-frust-cfg=<name> Set a config expansion option
frust-edition=
Rust Joined RejectNegative Enum(frust_edition) Var(flag_rust_edition)
-frust-edition=[2015|2018|2021] Choose which edition to use when compiling rust code
Enum
Name(frust_edition) Type(int) UnknownError(unknown rust edition %qs)
EnumValue
Enum(frust_edition) String(2015) Value(0)
EnumValue
Enum(frust_edition) String(2018) Value(1)
EnumValue
Enum(frust_edition) String(2021) Value(2)
frust-embed-metadata
Rust Var(flag_rust_embed_metadata)
Flag to enable embeding metadata directly into object files
frust-metadata-output=
Rust Joined RejectNegative
-frust-metadata-output=<path.rox> Path to output crate metadata
o
Rust Joined Separate
; Documented in common.opt
; This comment is to ensure we retain the blank line above.
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