From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wm1-x329.google.com (mail-wm1-x329.google.com [IPv6:2a00:1450:4864:20::329]) by sourceware.org (Postfix) with ESMTPS id 67D4A384B0D4 for ; Wed, 26 Oct 2022 08:16:12 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 67D4A384B0D4 Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=embecosm.com Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=embecosm.com Received: by mail-wm1-x329.google.com with SMTP id b20-20020a05600c4e1400b003cc28585e2fso976659wmq.1 for ; Wed, 26 Oct 2022 01:16:12 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=embecosm.com; s=google; h=content-transfer-encoding:mime-version:reply-to:references :in-reply-to:message-id:date:subject:cc:to:from:from:to:cc:subject :date:message-id:reply-to; bh=pZziygPhjGhkMxsngfQBS+7si9TJ9jL3ZOgNpCiIOYY=; b=g9YtKLWPNVXJYb8e5CDiycTmLbavEVI6h53m0EyggbuEzD4tO+teUNvBPg4BO+HjQC aJ+xuLqw/xa1lnkZC7QE7u4X27tMcxYPn0wy4FScZcvlfi9UWT7eJcnuRDLb2k0PyRvD BtigYEvmjztnB6JeUHHUcmfQFdpRmytlRTopEn0zPlFsgoZgQm0bp6anFUDndMvdQbMN kkQhgrXbw3RsWciOnSKJHPSR8NglaCP7ifMMhnnYBB2Ccx29b2qJSBSYQj99saWGrBAB Q+Ii3Ma/4KkF3asMlFdJROHNU5NjIiBWxBD9rqAMh1hx1CId+Scapv0bOWJQVtwW9C6A SIhA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:reply-to:references :in-reply-to:message-id:date:subject:cc:to:from:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=pZziygPhjGhkMxsngfQBS+7si9TJ9jL3ZOgNpCiIOYY=; b=D/QvD2NRnCArq7oA8K1Eb1NtkPl19bcM2wtQZhsgeiMwVKyq1KL/VHMJfB/at//KTv AStxeOrqYBo+i6dIcoUJPaNifOy6iUddyqvG+1cYyUqeRSyJln7o4zKCb2pVQ5nq0n+I mstMFD1nRyTOL7BVk3Q/l69xmxUipKWuH3HmlNCQPJM5wH0cQQ+wCyP9NgOXUXBJpcNp giDdwm+XQvOFKi05KJYfuxxarfKPtsUvibvnTZm9xk24kCZTpGCbcv/tvwLJEe1rznp2 RPOlV7p4nU6t/JeNAOQmiDSpu3pea+BCtCEmW8ECRpgX78bpS63U4TFwLVXGSRE0uI5y n/mQ== X-Gm-Message-State: ACrzQf2S6qp41EAQ4d8T7Y7VoWld6ULfZFUIB8ingQ3E9Bgzk8Gp7dHj RxBcuQZpALaDP83ze6L7apAp X-Google-Smtp-Source: AMsMyM45DvnsjypQ8f2KWO7rk7afgxkVZrSABGqtt/FQuRjcKmfsyJusJV6COCPJxjkUwRqS6ksVtg== X-Received: by 2002:a05:600c:244:b0:3c6:bc2f:421b with SMTP id 4-20020a05600c024400b003c6bc2f421bmr1544227wmj.32.1666772171230; Wed, 26 Oct 2022 01:16:11 -0700 (PDT) Received: from platypus.lan ([2001:861:5e4c:3bb0:6424:328a:1734:3249]) by smtp.googlemail.com with ESMTPSA id q16-20020a05600c46d000b003c6f426467fsm1134310wmo.40.2022.10.26.01.16.10 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 26 Oct 2022 01:16:10 -0700 (PDT) From: arthur.cohen@embecosm.com To: gcc-patches@gcc.gnu.org Cc: gcc-rust@gcc.gnu.org Subject: [PATCH Rust front-end v3 43/46] gccrs: Add lang.opt Date: Wed, 26 Oct 2022 10:18:08 +0200 Message-Id: <20221026081811.602573-44-arthur.cohen@embecosm.com> X-Mailer: git-send-email 2.37.2 In-Reply-To: <20221026081811.602573-1-arthur.cohen@embecosm.com> References: <20221026081811.602573-1-arthur.cohen@embecosm.com> Reply-To: arthur.cohen@embecosm.com MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-13.5 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,GIT_PATCH_0,KAM_SHORT,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS,TXREP autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: From: Philip Herron We have some rust specific langugage options note -fwrapv is enabled by default in the code. We are trying to respect options such as -Wunused-result which we get by porting over c++ no-discard for rust's must-use attribute, so we have enabled these by default directly here. --- gcc/rust/lang.opt | 118 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 118 insertions(+) create mode 100644 gcc/rust/lang.opt diff --git a/gcc/rust/lang.opt b/gcc/rust/lang.opt new file mode 100644 index 00000000000..1130999d277 --- /dev/null +++ b/gcc/rust/lang.opt @@ -0,0 +1,118 @@ +; Options for the Rust front end. +; Copyright (C) 2003-2022 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 +; . + +; 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= 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- Dump Rust frontend internal information. + +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= 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 to output crate metadata + +o +Rust Joined Separate +; Documented in common.opt + +; This comment is to ensure we retain the blank line above. -- 2.37.2