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[83.50.87.83]) by smtp.gmail.com with ESMTPSA id h14sm76314wrz.31.2022.01.12.06.47.44 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 12 Jan 2022 06:47:45 -0800 (PST) Message-ID: Date: Wed, 12 Jan 2022 15:47:43 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.4.0 Subject: Re: [RFC PATCH v3 1/7] configure: Allow passing extra Objective C compiler flags Content-Language: en-US From: =?UTF-8?Q?Philippe_Mathieu-Daud=c3=a9?= To: Roman Bolshakov References: <20220110131001.614319-1-f4bug@amsat.org> <20220110131001.614319-2-f4bug@amsat.org> <7da4d428-9b9e-e4ee-39af-48a8223df8e6@amsat.org> <4492570c-1dd0-cf08-abf3-eabcae706039@amsat.org> In-Reply-To: <4492570c-1dd0-cf08-abf3-eabcae706039@amsat.org> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Host-Lookup-Failed: Reverse DNS lookup failed for 2a00:1450:4864:20::434 (failed) Received-SPF: pass client-ip=2a00:1450:4864:20::434; envelope-from=philippe.mathieu.daude@gmail.com; helo=mail-wr1-x434.google.com X-Spam_score_int: -6 X-Spam_score: -0.7 X-Spam_bar: / X-Spam_report: (-0.7 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FORGED_FROMDOMAIN=0.248, FREEMAIL_FROM=0.001, HEADER_FROM_DIFFERENT_DOMAINS=0.249, NICE_REPLY_A=-0.001, RCVD_IN_DNSWL_NONE=-0.0001, RDNS_NONE=0.793, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Peter Maydell , Thomas Huth , =?UTF-8?Q?Daniel_P=2e_Berrang=c3=a9?= , "Emilio G. Cota" , Christian Schoenebeck , qemu-devel@nongnu.org, Cameron Esfahani , Roman Bolshakov , Alexander Graf , Gerd Hoffmann , Akihiko Odaki , Paolo Bonzini , =?UTF-8?Q?Alex_Benn=c3=a9e?= , Wainer dos Santos Moschetta Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On 1/12/22 15:09, Philippe Mathieu-Daudé wrote: > +Emilio > > On 1/12/22 14:46, Philippe Mathieu-Daudé wrote: >> Anyway, with your/Akihiko/Christian help during review, this flag >> is not necessary anymore to build softmmu/tools (I still have to >> figure how to silent the "#pragma FENV_ACCESS" warning in tests), >> so let forget about this patch (except if we expect macOS ObjC to >> keep evolving and need a way to pass OBJCFLAGS). > > Apparently Clang equivalent of "#pragma STDC FENV_ACESS ON" is > "-ffp-model=strict" > > https://clang.llvm.org/docs/UsersManual.html#cmdoption-ffp-model > > I'll see if patching tests/fp/meson.build is sufficient. This seems to do the job: -- >8 -- diff --git a/tests/fp/meson.build b/tests/fp/meson.build index 59776a00a79..b790487648a 100644 --- a/tests/fp/meson.build +++ b/tests/fp/meson.build @@ -37,6 +37,12 @@ '-Wno-error', ] +if cc.get_id() == 'clang' and cc.has_argument('-ffp-model=strict') + # Clang does not support '#pragma STDC FENV_ACCESS', but starting + # with Clang 10.0 the equivalent is -ffp-model=strict. + tfcflags += [ '-ffp-model=strict' ] +endif + tfgencases = [ tfdir / 'genCases_ui32.c', tfdir / 'genCases_ui64.c', ---