gcc/rust/lang.opt

   1 ; Options for the Rust front end.
   2 ; Copyright (C) 2003-2023 Free Software Foundation, Inc.
   3 ;
   4 ; This file is part of GCC.
   5 ;
   6 ; GCC is free software; you can redistribute it and/or modify it under
   7 ; the terms of the GNU General Public License as published by the Free
   8 ; Software Foundation; either version 3, or (at your option) any later
   9 ; version.
  10 ;
  11 ; GCC is distributed in the hope that it will be useful, but WITHOUT ANY
  12 ; WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13 ; FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14 ; for more details.
  15 ;
  16 ; You should have received a copy of the GNU General Public License
  17 ; along with GCC; see the file COPYING3.  If not see
  18 ; <http://www.gnu.org/licenses/>.
  19
  20 ; See the GCC internals manual for a description of this file's format.
  21
  22 ; Please try to keep this file in ASCII collating order.
  23
  24 ; Describes command-line options used by this frontend
  25
  26 Language
  27 Rust
  28
  29 I
  30 Rust Joined Separate
  31 ; Documented in c.opt
  32
  33 L
  34 Rust Joined Separate
  35 ; Not documented
  36
  37 Wall
  38 Rust
  39 ; Documented in c.opt
  40
  41 Wunused-variable
  42 Rust Var(warn_unused_variable) Warning
  43 ; documented in common.opt
  44
  45 Wunused-const-variable
  46 Rust Warning Alias(Wunused-const-variable=, 2, 0)
  47 Warn when a const variable is unused.
  48
  49 Wunused-const-variable=
  50 Rust Joined RejectNegative UInteger Var(warn_unused_const_variable) Warning LangEnabledBy(Rust,Wunused-variable, 1, 0) IntegerRange(0, 2)
  51 Warn when a const variable is unused.
  52
  53 Wunused-result
  54 Rust Var(warn_unused_result) Warning
  55 Warn if a caller of a function, marked with attribute warn_unused_result, does not use its return value.
  56
  57 frust-crate=
  58 Rust Joined RejectNegative
  59 -frust-crate=<name>             Set the crate name for the compilation
  60
  61 frust-debug
  62 Rust Var(flag_rust_debug)
  63 Dump various Rust front end internals.
  64
  65 frust-dump-
  66 Rust Joined RejectNegative
  67 -frust-dump-<type>      Dump Rust frontend internal information.
  68
  69 frust-incomplete-and-experimental-compiler-do-not-use
  70 Rust Var(flag_rust_experimental)
  71 Enable experimental compilation of Rust files at your own risk
  72
  73 frust-max-recursion-depth=
  74 Rust RejectNegative Type(int) Var(rust_max_recursion_depth) Init(64)
  75 -frust-max-recursion-depth=integer
  76
  77 frust-mangling=
  78 Rust Joined RejectNegative Enum(frust_mangling) Var(flag_rust_mangling)
  79 -frust-mangling=[legacy|v0]     Choose which version to use for name mangling
  80
  81 Enum
  82 Name(frust_mangling) Type(int) UnknownError(unknown rust mangling option %qs)
  83
  84 EnumValue
  85 Enum(frust_mangling) String(legacy) Value(0)
  86
  87 EnumValue
  88 Enum(frust_mangling) String(v0) Value(1)
  89
  90 frust-cfg=
  91 Rust Joined RejectNegative
  92 -frust-cfg=<name>             Set a config expansion option
  93
  94 frust-edition=
  95 Rust Joined RejectNegative Enum(frust_edition) Var(flag_rust_edition)
  96 -frust-edition=[2015|2018|2021]             Choose which edition to use when compiling rust code
  97
  98 Enum
  99 Name(frust_edition) Type(int) UnknownError(unknown rust edition %qs)
 100
 101 EnumValue
 102 Enum(frust_edition) String(2015) Value(0)
 103
 104 EnumValue
 105 Enum(frust_edition) String(2018) Value(1)
 106
 107 EnumValue
 108 Enum(frust_edition) String(2021) Value(2)
 109
 110 frust-embed-metadata
 111 Rust Var(flag_rust_embed_metadata)
 112 Flag to enable embeding metadata directly into object files
 113
 114 frust-metadata-output=
 115 Rust Joined RejectNegative
 116 -frust-metadata-output=<path.rox>  Path to output crate metadata
 117
 118 o
 119 Rust Joined Separate
 120 ; Documented in common.opt
 121
 122 ; This comment is to ensure we retain the blank line above.