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Mon, 12 Jul 2021 05:27:04 -0700 (PDT) Received: from zen.linaroharston ([51.148.130.216]) by smtp.gmail.com with ESMTPSA id o14sm8309852wrj.66.2021.07.12.05.26.56 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 12 Jul 2021 05:27:02 -0700 (PDT) Received: from zen.lan (localhost [127.0.0.1]) by zen.linaroharston (Postfix) with ESMTP id 5A96C1FF92; Mon, 12 Jul 2021 13:26:54 +0100 (BST) From: =?UTF-8?q?Alex=20Benn=C3=A9e?= To: peter.maydell@linaro.org Subject: [PULL 06/40] build: validate that system capstone works before using it Date: Mon, 12 Jul 2021 13:26:19 +0100 Message-Id: <20210712122653.11354-7-alex.bennee@linaro.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20210712122653.11354-1-alex.bennee@linaro.org> References: <20210712122653.11354-1-alex.bennee@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2a00:1450:4864:20::32a; envelope-from=alex.bennee@linaro.org; helo=mail-wm1-x32a.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: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Thomas Huth , =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= , Richard Henderson , qemu-devel@nongnu.org, Willian Rampazzo , =?UTF-8?q?Alex=20Benn=C3=A9e?= Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Daniel P. Berrangé Some versions of capstone have shipped a broken pkg-config file which puts the -I path without the trailing '/capstone' suffix. This breaks the ability to "#include ". Upstream and most distros have fixed this, but a few stragglers remain, notably FreeBSD. Signed-off-by: Daniel P. Berrangé Signed-off-by: Alex Bennée Reviewed-by: Thomas Huth Reviewed-by: Willian Rampazzo Reviewed-by: Richard Henderson Message-Id: <20210625172211.451010-2-berrange@redhat.com> Message-Id: <20210709143005.1554-7-alex.bennee@linaro.org> diff --git a/meson.build b/meson.build index eb362ee5eb..cea8196e53 100644 --- a/meson.build +++ b/meson.build @@ -1644,6 +1644,19 @@ if capstone_opt in ['enabled', 'auto', 'system'] kwargs: static_kwargs, method: 'pkg-config', required: capstone_opt == 'system' or capstone_opt == 'enabled' and not have_internal) + + # Some versions of capstone have broken pkg-config file + # that reports a wrong -I path, causing the #include to + # fail later. If the system has such a broken version + # do not use it. + if capstone.found() and not cc.compiles('#include ', + dependencies: [capstone]) + capstone = not_found + if capstone_opt == 'system' + error('system capstone requested, it does not appear to work') + endif + endif + if capstone.found() capstone_opt = 'system' elif have_internal -- 2.20.1