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([240d:1a:3b6:8b00:561f:1400:11f5:714b]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-32750bc341asm1749747a91.19.2025.08.26.09.14.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 26 Aug 2025 09:14:26 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1756224868; x=1756829668; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=izBMAHH1elIGUTPUqS9W9SlkS9NCVx/jVWrYgAA/7nc=; b=MptF9O1z4uMo2jIzA6X1rAJuHXSsDYrm5jYHuNZaef0ciQlIcUiNb2lIlYFmJLAyXb 2A0Ru3XJ3txRxilzsosPO2NkOVPReP5cGj3NvqGwQDouEUpUZsAnLN/s26QVBDH03r3W N05R5d9L3BClrgWQMIVZzV+nrS3fiHqpFxBGQXHxHUImNF51+c+Nih1qjvPlFFCKor9Q ec5qsuLXGFIxDSJF4NQHPOhN2DwmXwlrsePzUPQcZ5beGAFNQSbpaGVPhvPjTt/R9iBT f4dCbIuCIOnCuOKOZUKrTW4b8LHJvWAwJ5A5DAIsUKA6GeFDtYXUANq3b/PtwlT+sgZ7 585A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1756224868; x=1756829668; h=content-transfer-encoding:mime-version: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=izBMAHH1elIGUTPUqS9W9SlkS9NCVx/jVWrYgAA/7nc=; b=JLwlRKKhBpXg15bVNmULzFdiEYrFxueqQsuimaUa39ihvEpntLMCihucBoJLOf9URj oTUskTHSFvlSzm+CNTyobpKdLLAv1O7bSS/A2GFys5UUCDwgG07GSOPVF1kgPkhWCvPq ofvD8reMtVlzV9gY5IP6n1FFg022qFz3eRaMnnQl3oGijtSTRrG+sk6f0o0ew815VtJF s2/L9Xl3tqhf7jBlSq9Bu8L0ZJuJI+cGGn4hpEf2QQS7yKfpewkvPtuIWWF2/2oEi8iG WGhFSRiZnz+RlqZ30afGRvomS6IJKMXb7e604I1fUhxyPIBG2gxDMnyr7j9xBR/r6ZZB rklQ== X-Forwarded-Encrypted: i=1; AJvYcCU6puKNlYKOvAeoBiQfwiMMGe55VPu5JLZGOq2fKWuoL1PMa7gsb+tCq57PStahTOzjd+zfAfsEfcO3bg==@nongnu.org, AJvYcCVoTT+yzm/IsN7Ha/AM1VqkoyeftjL/elaqhSfpNYenP63OVaV/3TcXoCLRpZd/YbjJJbUF2UwhKA==@nongnu.org X-Gm-Message-State: AOJu0YzZBRVv4Y8pWlylvAraDCLIKf+bxRn8vgN8cwBI7UVnbMmSQ9NA BrwAe37GCULFPdmNcKPRv3qwAjpcCW1AlZUUdi18nCn1VOy/mzquTX/bIO7UsQ== X-Gm-Gg: ASbGncs1b77+ooVZrOeKz6RZe+XLSQe82QN342R2kfDI81njzOHINFZXhQjwTnWTylb Mta/U30MeG6ebJ3UqM8fNsjK6XIwqPhfs50/9FZ2B5ZYm71VUyKbWgTFftLNXcIGza4Dhqd+R+b nd+875+x5yA3cSfc7aOdiNjB8VIvg/c6HicGNnYopGlH0ATGvDiJYHkfY2wyMQsy/6W48ZoPfRF 8ifO95q/JB/9cMBQ64j5NOjerEBBFmnO6RqiF/IqurpnzYUOAmuBeSXedl7u9fkgl6Xu2m6hquB cnfOWSA3nzfLZeBBafVxKk9zndSOvJdK/mpnLKBp6T4UTcCR9rvJ2+hK9n4RHtTbPtLn+lQxg08 3mXPrRRv4XbrnJgKfIXsulA== X-Google-Smtp-Source: AGHT+IHUaRym/BgzD7HHyNuwVdR2MthcWmtpFFAqt86o7ToC+57LTEPiipkrB02EMaYkLygJNT8VxQ== X-Received: by 2002:a17:902:db0a:b0:246:a4ce:1219 with SMTP id d9443c01a7336-246a4ce1737mr129343115ad.21.1756224867543; Tue, 26 Aug 2025 09:14:27 -0700 (PDT) From: Kohei Tokunaga To: qemu-devel@nongnu.org Cc: =?UTF-8?q?Alex=20Benn=C3=A9e?= , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Thomas Huth , Paolo Bonzini , Richard Henderson , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= , =?UTF-8?q?Daniel=20P=20=2E=20Berrang=C3=A9?= , WANG Xuerui , Aurelien Jarno , Huacai Chen , Jiaxun Yang , Aleksandar Rikalo , Palmer Dabbelt , Alistair Francis , Stefan Weil , qemu-arm@nongnu.org, qemu-riscv@nongnu.org, Stefan Hajnoczi , Pierrick Bouvier , ktokunaga.mail@gmail.com Subject: [PATCH v2 34/35] meson.build: Propagate optimization flag for linking on Emscripten Date: Wed, 27 Aug 2025 01:10:39 +0900 Message-ID: X-Mailer: git-send-email 2.43.0 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::62c; envelope-from=ktokunaga.mail@gmail.com; helo=mail-pl1-x62c.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham 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: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1756225210899116601 Content-Type: text/plain; charset="utf-8" Emscripten uses the optimization flag at the link time to enable optimizations via Binaryen [1]. While meson.build currently recognizes the -Doptimization option, it does not propagate it to the linking. This commit updates meson.build to propagate the optimization flag to the linking when targeting WebAssembly. [1] https://emscripten.org/docs/optimizing/Optimizing-Code.html#how-emscrip= ten-optimizes Signed-off-by: Kohei Tokunaga --- meson.build | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/meson.build b/meson.build index 42b9004a20..ffd16fc167 100644 --- a/meson.build +++ b/meson.build @@ -878,6 +878,12 @@ elif host_os =3D=3D 'openbsd' # Disable OpenBSD W^X if available emulator_link_args =3D cc.get_supported_link_arguments('-Wl,-z,wxneede= d') endif +elif host_os =3D=3D 'emscripten' + # Emscripten uses the optimization flag also during the link time. + # https://emscripten.org/docs/optimizing/Optimizing-Code.html#how-emscri= pten-optimizes + if get_option('optimization') !=3D 'plain' + emulator_link_args +=3D ['-O' + get_option('optimization')] + endif endif =20 ############################################### --=20 2.43.0