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bh=s7nNGPgoIAUnaCvp/C+6OjD+zeHiTsKiaNNu/a6qfaI=; b=Pb7Jpk8tDFFQEQ5GhuNDd7vwv1359jcgKk46Ne9peWvB2XYodl7lmgc2TOIyGNL7J6Y25Z pvpEtHAcn+kjmV8jJa4I196oRmIUKxma6Cu8nFvLGTqwWwsbYlRm8XxzLQoPy/GwH8N2xo 14SHqd1zEYvvIT1Q9LnBPTB501sexNA= X-MC-Unique: Do1QzwLNOseGk061RqRqWw-1 From: Paolo Bonzini To: qemu-devel@nongnu.org Subject: [PULL 57/57] oss-fuzz: move linker arg to fix coverage-build Date: Mon, 21 Sep 2020 11:56:38 -0400 Message-Id: <20200921155638.1328200-3-pbonzini@redhat.com> In-Reply-To: <20200921155638.1328200-1-pbonzini@redhat.com> References: <20200921155638.1328200-1-pbonzini@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=pbonzini@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com 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=216.205.24.124; envelope-from=pbonzini@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/09/21 01:43:11 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -35 X-Spam_score: -3.6 X-Spam_bar: --- X-Spam_report: (-3.6 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1.455, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, 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: Alexander Bulekov Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @redhat.com) Content-Type: text/plain; charset="utf-8" From: Alexander Bulekov The order of the add_project_link_arguments calls impacts which arguments are placed between --start-group and --end-group. OSS-Fuzz coverage builds seem to just add these to CFLAGS: -fprofile-instr-generate -fcoverage-mapping pthread -Wl,--no-as-needed -Wl,-ldl -Wl,-lm Wno-unused-command-line-argument The -Wl,-ldl flag that is enough to shift the fork_fuzz.ld linker-script back into the linker group. Move the linker-script meson call before the other calls to make sure the flag is placed correctly. Signed-off-by: Alexander Bulekov Message-Id: <20200909220516.614222-1-alxndr@bu.edu> Signed-off-by: Paolo Bonzini --- meson.build | 15 ++++++++------- 1 file changed, 8 insertions(+), 7 deletions(-) diff --git a/meson.build b/meson.build index ace15dc8c0..9aeefa60fb 100644 --- a/meson.build +++ b/meson.build @@ -54,6 +54,14 @@ configure_file(input: files('scripts/ninjatool.py'), # Compiler flags # ################## =20 +# Specify linker-script with add_project_link_arguments so that it is not = placed +# within a linker --start-group/--end-group pair +if 'CONFIG_FUZZ' in config_host + add_project_link_arguments(['-Wl,-T,', + (meson.current_source_dir() / 'tests/qtest/= fuzz/fork_fuzz.ld')], + native: false, language: ['c', 'cpp', 'objc'= ]) +endif + add_project_arguments(config_host['QEMU_CFLAGS'].split(), native: false, language: ['c', 'objc']) add_project_arguments(config_host['QEMU_CXXFLAGS'].split(), @@ -63,13 +71,6 @@ add_project_link_arguments(config_host['QEMU_LDFLAGS'].s= plit(), add_project_arguments(config_host['QEMU_INCLUDES'].split(), language: ['c', 'cpp', 'objc']) =20 -# Specify linker-script with add_project_link_arguments so that it is not = placed -# within a linker --start-group/--end-group pair -if 'CONFIG_FUZZ' in config_host - add_project_link_arguments(['-Wl,-T,', - (meson.current_source_dir() / 'tests/qtest/= fuzz/fork_fuzz.ld')], - native: false, language: ['c', 'cpp', 'objc'= ]) -endif =20 link_language =3D meson.get_external_property('link_language', 'cpp') if link_language =3D=3D 'cpp' --=20 2.26.2