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bh=GkKR887fLWOo4DC15+qJV+odLhc3rljp4gn44gOfM4I=; b=HGOuSH5KPYsoLwyqSEuxSf4G47XuiEiAwjF7wVr5x7zxypRnARKE2SLv6i2sZUW1InBhek B7HRuz1xD2m0cB4sftmqIuVYF3F8sr3b9y7k1AKyVlRybmgodEqSqj4Xel4txgvIOkj7Qf lgfRhHYuACY32dRYTG8ajKAQIUtQ2zY= X-MC-Unique: jRS2MTe9NP-6OEZycVPIRQ-1 From: Paolo Bonzini To: qemu-devel@nongnu.org Subject: [PULL 03/92] ninjatool: rebuild multi-output targets if outputs are missing Date: Thu, 24 Sep 2020 05:21:45 -0400 Message-Id: <20200924092314.1722645-4-pbonzini@redhat.com> In-Reply-To: <20200924092314.1722645-1-pbonzini@redhat.com> References: <20200924092314.1722645-1-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; 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charset="utf-8" The "stamp file trick" used to group targets of a single multi-output rule prevents the user from deleting one such target in order to force its rebuild. Doing so will not touch the stamp file, and therefore only the dummy ":" command will be executed. With this patch, ninjatool writes rules that force-rebuild the stamp file if any of its outputs are missing. Rebuilding the missing target therefore causes the stamp file to be rebuilt too. Reported-by: Markus Armbruster Signed-off-by: Paolo Bonzini --- scripts/ninjatool.py | 3 +++ 1 file changed, 3 insertions(+) diff --git a/scripts/ninjatool.py b/scripts/ninjatool.py index 627a1cab45..6f0e35c727 100755 --- a/scripts/ninjatool.py +++ b/scripts/ninjatool.py @@ -908,6 +908,9 @@ class Ninja2Make(NinjaParserEventsWithVars): else: stamp =3D '%s@%s.stamp' % (rule, sha1_text(targets)[0:11]) self.print('%s: %s; @:' % (targets, stamp)) + self.print('ifneq (%s, $(wildcard %s))' % (targets, targets)) + self.print('.PHONY: %s' % (stamp, )) + self.print('endif') self.print('%s: %s | %s; ${ninja-command-restat}' % (stamp, in= puts, orderonly)) self.rule_targets[rule].append(stamp) self.stamp_targets[rule].append(stamp) --=20 2.26.2