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[216.71.219.44]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-7ff7e48f3d7sm34597984b3a.51.2025.12.30.23.34.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 30 Dec 2025 23:34:15 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1767166456; x=1767771256; 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=hEuXeMxUY2fbqtX5Go3U2puCz5D9qPiuyxDQLIxHFpQ=; b=PnkcJakcg+P5yNF1yvmCLMpN0z/ZGiZKAGO8KDldMpX3l1z48InF7wfuV85tQ1/IpO vbv+ijyAYww3FaEBV17hwyahdSY1k98HizdhQu+DBe+hrOb9dNIQAZZuSyoyJZm21jJI ayvUXDHdMPB9FGEvIWXhlAfuCyalGGJkgfyfMOfuId6G1S8z2ELs2AmL8JAtV/Xv2XY3 5+Nzpan7Y+eG4ZI67gM8OWu8uvIQqVUJRqWZQeuCMJ6y0EaGnWS1fQ0bRHsdmK1mhvJo aG0BVlWSr/x20fLH4alWJ29wkMkN0oYAqCKoYBgJROfKooFOrlqqLDz3TCuISyOSNG2a Ig7Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1767166456; x=1767771256; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=hEuXeMxUY2fbqtX5Go3U2puCz5D9qPiuyxDQLIxHFpQ=; b=VJ9w/pLtJUsHPlxSjBLDgTfZPrsOI6yWf+IyWY1YPtMdM9ZCPP4rhDpkKCYvte7Gfc 85DEt4BhkDb3RDNX9ZSxxlAuOCXBWAJQjUVOoQFivgbkNsy5GumeLFAi5e8OR5Y+y3SM OfI56y6bQ1tXG0KT/4JhSmOrrUkeKDIOpIBqX1QKIIe9ncDETrMwRoqDVcZCPnuTwKj+ Kn7WWV79mt98892fqiFR8JG6zQbkLGBXI/JN3IrqklnDXAC7SsIthMzsx1QjJl3XEtRH HuE2QngZ77VliJiTYKWm+s/sgPssdqsmL8TEVsFOeAZhVtKnpC9e/2RJGWSAqg/a8+lH H4Ig== X-Gm-Message-State: AOJu0YyJoDl5FvFDyzSdKaqJpMDojU6eFjbrX1qRYqiB1iv8eVPCDDIl 0M3/cL2yvuyDUJIshXAT3/rvkgO1M1bT/uv0NuthpJE4wwX4QPYWKmjU/lVhbeqr8LaG86AqT6W 1yJ6x X-Gm-Gg: AY/fxX7vIBBQUsWoXWIPkU/yYEDbTB+/NkMHx9/ZaDaTICNYItu8H1mKIepzVBvvwyG Yxr0HL09g4R6IOepS0HS9zGhsoIeGlNCJYNxE5hZ7usCSnNeZBraS95+r/E11NiUte1xUL866Gh fxbJ36Rg+9NlJblQeb6lntcTBXWduTbJ3LGM9lOTotT67AJCXShcQm1ZD09dhW/MMj/ONgP6KdH M8yq7ixWnAhSXGMRMxY77+vDoVo7G5tkbihuTWh5F05hZ308RLnK2DGSDrepmTOKfas3QvDFa9T IYq7tCVFzEpQUUu3j5f5dK5rv2Vg8VlMt1WpWALd5T4L0EniZpVlkgmCHjVf02C9KTYWuP5BVAx +ms6Xw7qatKcGslnhFgkUtCOZcqrxWNDQBlW594NoHvqlYkiw0INmxg/wizLHugDYvqA/dAsucw qOlZmprrt5N8hh0fTpDOxFJ4MMYv7EvHI+sf+ysb5xeYSipPUfPjMvW642u6++spRd X-Google-Smtp-Source: AGHT+IGWX0PMjQd/uxeRh+Bar4NH23zZG2vHB6LbYnvIJPdCnBjHAHaa1DWfa+mTO0ciW5O3AbUG7w== X-Received: by 2002:a05:6a00:bc90:b0:7e8:450c:61ad with SMTP id d2e1a72fcca58-7ff67063905mr33870211b3a.68.1767166456291; Tue, 30 Dec 2025 23:34:16 -0800 (PST) From: Pierrick Bouvier To: qemu-devel@nongnu.org Cc: =?UTF-8?q?Phil=20Mathieu-Daud=C3=A9?= , =?UTF-8?q?Alex=20Benn=C3=A9e?= , Gustavo Bueno Romero , =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= , Manos Pitsidianakis , Paolo Bonzini , Richard Henderson , Pierrick Bouvier Subject: [PATCH 07/11] meson: fix supported compiler arguments in other languages than C Date: Tue, 30 Dec 2025 23:33:57 -0800 Message-ID: <20251231073401.2097765-8-pierrick.bouvier@linaro.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20251231073401.2097765-1-pierrick.bouvier@linaro.org> References: <20251231073401.2097765-1-pierrick.bouvier@linaro.org> 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 (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::429; envelope-from=pierrick.bouvier@linaro.org; helo=mail-pf1-x429.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, 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 @linaro.org) X-ZM-MESSAGEID: 1767166477524158500 Content-Type: text/plain; charset="utf-8" qemu_common_flags are only checked for c compiler, even though they are applied to c++ and objc. This is a problem when C compiler is gcc, and C++ compiler is clang, creating a possible mismatch. One concrete example is option -fzero-call-used-regs=3Dused-gpr with ubuntu2204 container, which is supported by gcc, but not by clang, thus leading to a failure when compiling a C++ TCG plugin. Signed-off-by: Pierrick Bouvier Reviewed-by: Philippe Mathieu-Daud=C3=A9 --- meson.build | 17 +++++++++-------- 1 file changed, 9 insertions(+), 8 deletions(-) diff --git a/meson.build b/meson.build index 3d6c6c702d0..c7042413f20 100644 --- a/meson.build +++ b/meson.build @@ -709,10 +709,7 @@ if cc.compiles('extern struct { void (*cb)(void); } s;= void f(void) { s.cb(); }' hardening_flags +=3D '-fzero-call-used-regs=3Dused-gpr' endif =20 -qemu_common_flags +=3D cc.get_supported_arguments(hardening_flags) - -add_global_arguments(qemu_common_flags, native: false, language: all_langu= ages) -add_global_link_arguments(qemu_ldflags, native: false, language: all_langu= ages) +qemu_common_flags +=3D hardening_flags =20 # Collect warning flags we want to set, sorted alphabetically warn_flags =3D [ @@ -771,15 +768,19 @@ if 'cpp' in all_languages qemu_cxxflags =3D ['-D__STDC_LIMIT_MACROS', '-D__STDC_CONSTANT_MACROS', = '-D__STDC_FORMAT_MACROS'] + qemu_cflags endif =20 -add_project_arguments(qemu_cflags, native: false, language: 'c') -add_project_arguments(cc.get_supported_arguments(warn_flags), native: fals= e, language: 'c') +add_project_arguments(cc.get_supported_arguments(qemu_common_flags + qemu_= cflags + warn_flags), + native: false, language: 'c') +add_global_link_arguments(qemu_ldflags, native: false, language: all_langu= ages) + if 'cpp' in all_languages - add_project_arguments(qemu_cxxflags, native: false, language: 'cpp') + add_project_arguments(cxx.get_supported_arguments(qemu_common_flags + qe= mu_cxxflags), + native: false, language: 'cpp') add_project_arguments(cxx.get_supported_arguments(warn_flags), native: f= alse, language: 'cpp') endif if 'objc' in all_languages # Note sanitizer flags are not applied to Objective-C sources! - add_project_arguments(objc.get_supported_arguments(warn_flags), native: = false, language: 'objc') + add_project_arguments(objc.get_supported_arguments(qemu_common_flags + w= arn_flags), + native: false, language: 'objc') endif if host_os =3D=3D 'linux' add_project_arguments('-isystem', meson.current_source_dir() / 'linux-he= aders', --=20 2.47.3