From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from simark.ca by simark.ca with LMTP id OTT0HFkxh2CwcAAAWB0awg (envelope-from ) for ; Mon, 26 Apr 2021 17:32:09 -0400 Received: by simark.ca (Postfix, from userid 112) id 68AC31F11C; Mon, 26 Apr 2021 17:32:09 -0400 (EDT) X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on simark.ca X-Spam-Level: X-Spam-Status: No, score=-0.7 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,MAILING_LIST_MULTI,RDNS_DYNAMIC,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.2 Received: from sourceware.org (ip-8-43-85-97.sourceware.org [8.43.85.97]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by simark.ca (Postfix) with ESMTPS id A02C01E01F for ; Mon, 26 Apr 2021 17:32:08 -0400 (EDT) Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id ED0B23951825; Mon, 26 Apr 2021 21:32:07 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org ED0B23951825 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sourceware.org; s=default; t=1619472728; bh=ToKW+nZ/yaWUUua5jY8gkrS0w3FX/IsE4tiCDfE3ERM=; h=References:In-Reply-To:Date:Subject:To:List-Id:List-Unsubscribe: List-Archive:List-Post:List-Help:List-Subscribe:From:Reply-To:Cc: From; b=s2yvkctDTJZiSjhZYuP7qmaXcv5bhazmL9B1UUzbfmW32+/aSx+VVFB/DHoctZFuI Y0WyzUDBEKfwZoZKUaZf9uuyPm0Kcyi6PlRAF7bSbCn/HcgKDHonr5XCdI8avKw7xW BvtI2ndgwk0wJwQuzQK/Jj/nTxaJqghVOwAsr/z0= Received: from mail-qv1-xf34.google.com (mail-qv1-xf34.google.com [IPv6:2607:f8b0:4864:20::f34]) by sourceware.org (Postfix) with ESMTPS id CFFFD3892017 for ; Mon, 26 Apr 2021 21:32:01 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org CFFFD3892017 Received: by mail-qv1-xf34.google.com with SMTP id x27so28039358qvd.2 for ; Mon, 26 Apr 2021 14:32:01 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=ToKW+nZ/yaWUUua5jY8gkrS0w3FX/IsE4tiCDfE3ERM=; b=GYQsMJmbGEn8WllDkCtePJygXLciF8YG6CgK2IASu/Y1I++tGAmr37yjy2ucVFKHfr 8J3VEIBiqinM1QPlLGNgjf52SGGgU86h4JJKKs9ci8di0HwBd0U4LQmiJpiqV0d4PBSm R9WLugFKhMfBgJGeJCPzQcjqiQRl2o4kiIsapx3KLKDEuIqT6x7X1MYlZguecsO/CbcF W800Am2GqE0nOmAEjEmIEe92lApHKVDWFHcEyPn823z09GjypUf8QMmg42YiNNo8nMtF SVKrTo9MdKtm+hJXkuxJLiktYbN6//qhEuVFrvwWCPvVOwo8f6ksDdTW7OGNzp5HEBHf sE1w== X-Gm-Message-State: AOAM531PeWpqaZU2AB1qc7n64nnLUinxAz6vvAqgYOtH1MYQOny79hLR 0HXlZdgjremQtrVp8BEfhWbSbe7qn7ygmWj8hFmV4w== X-Google-Smtp-Source: ABdhPJyb/5fZoLBmtqDHXA4VaPovjljINixgJCA/X2jlP/Is/Rzb8+WUETdclvb27SERFKM7e/KLOrH4ry9FfrV7XyE= X-Received: by 2002:a0c:df04:: with SMTP id g4mr20403648qvl.7.1619472721230; Mon, 26 Apr 2021 14:32:01 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: Date: Mon, 26 Apr 2021 16:31:23 -0500 Message-ID: Subject: Re: RFC: Changing AC_PROG_CC to AC_PROG_CC_C99 in top level configure To: Joseph Myers Content-Type: text/plain; charset="UTF-8" X-BeenThere: gdb-patches@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gdb-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , From: Christian Biesinger via Gdb-patches Reply-To: Christian Biesinger Cc: Christian Biesinger via gcc-patches , Nick Clifton , gdb-patches , Binutils Errors-To: gdb-patches-bounces@sourceware.org Sender: "Gdb-patches" On Mon, Apr 26, 2021 at 2:32 PM Joseph Myers wrote: > > On Mon, 26 Apr 2021, Nick Clifton via Gcc-patches wrote: > > > Hi Guys, > > > > Given that gcc, gdb and now binutils are all now requiring C99 as a > > minimum version of C, are there any objections to updating > > configure.ac to reflect this ? > > This isn't an objection, since upgrading auto* for the toolchain can be > complicated, but note that AC_PROG_CC_C99 is obsolete in Autoconf 2.70 and > instead AC_PROG_CC enables C11 mode if supported. (So moving to the > latest Autoconf and Automake releases would supersede this change.) But AC_PROG_CC_C99 makes sure that the compiler supports C99, and AC_PROG_CC does not. Christian