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[98.202.48.222]) by smtp.gmail.com with ESMTPSA id v24sm3069840pfn.92.2021.04.30.14.48.00 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 30 Apr 2021 14:48:01 -0700 (PDT) Subject: Re: RFC: Changing AC_PROG_CC to AC_PROG_CC_C99 in top level configure To: Simon Marchi , Nick Clifton , gcc-patches@gcc.gnu.org, gdb-patches@sourceware.org References: <8c1b0ed9-e6f3-9c22-45c5-c2680a2a4830@polymtl.ca> Message-ID: <15701c5f-5653-f0e4-990a-43094d18a702@gmail.com> Date: Fri, 30 Apr 2021 15:48:00 -0600 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.9.1 MIME-Version: 1.0 In-Reply-To: <8c1b0ed9-e6f3-9c22-45c5-c2680a2a4830@polymtl.ca> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit Content-Language: en-US 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: Jeff Law via Gdb-patches Reply-To: Jeff Law Cc: Binutils Errors-To: gdb-patches-bounces@sourceware.org Sender: "Gdb-patches" On 4/30/2021 12:36 PM, Simon Marchi via Gcc-patches wrote: > On 2021-04-26 7:32 a.m., Nick Clifton via Gdb-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 ? >> >> Cheers >> Nick >> >> diff --git a/configure.ac b/configure.ac >> index a721316d07b..59b4194fb24 100644 >> --- a/configure.ac >> +++ b/configure.ac >> @@ -1278,7 +1278,7 @@ else >> WINDMC_FOR_BUILD="\$(WINDMC)" >> fi >> >> -AC_PROG_CC >> +AC_PROG_CC_C99 >> AC_PROG_CXX >> >> # We must set the default linker to the linker used by gcc for the correct > Hi Nick, > > I think this fix is obvious enough, I encourage you to push it, that > will fix the build failure many people get in opcodes/ppc-dis.c. We'll > just remove the line later when we upgrade to Autoconf 2.71, as simple > as that. For now we use 2.69. If that matters, you have my OK for the > GDB side of things. That works for me.  I'd just sent Alan the trivial patch to make ppc-dis.c compile again with C89, but if we're going to update configure.ac appropriately, then it wouldn't be needed. Jeff