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From: "jakub at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-rust@gcc.gnu.org
Subject: [Bug rust/108113] New: Rust and --enable-link-serialization=1
Date: Wed, 14 Dec 2022 19:49:29 +0000
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X-Bugzilla-Product: gcc
X-Bugzilla-Component: rust
X-Bugzilla-Version: 13.0
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X-Bugzilla-Severity: normal
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X-Bugzilla-Status: UNCONFIRMED
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X-Bugzilla-Priority: P3
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D108113

            Bug ID: 108113
           Summary: Rust and --enable-link-serialization=3D1
           Product: gcc
           Version: 13.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: rust
          Assignee: unassigned at gcc dot gnu.org
          Reporter: jakub at gcc dot gnu.org
                CC: dkm at gcc dot gnu.org, gcc-rust at gcc dot gnu.org
  Target Milestone: ---

Seems rust/Make-lang.in doesn't have link serialization support, I bet that
must break
--enable-link-serialization=3D1 builds with rust enabled.
See
r11-5142-gd326ebc94f3b2b0d962fb9e253564b39106a10da
r11-5190-ga774a6a2fbeaf7cbcb7a7afe433418f2d740b45b
commits what has been changed for other FEs.
The first change introduced some stuff that the second one reverted, so wha=
t is
needed
in rust/Make-lang.in is basically
rust.serial =3D rust1$(exeext)
and making
rust1$(exeext) depend on
$(rust.prev)
The generic code will ensure to fill in rust.prev to some other *.serial and
set some other *.prev to rust.serial as needed.

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