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From: "gaius at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug modula2/111756] Re-building all-gcc after source changes fails
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Date: Tue, 17 Oct 2023 10:18:48 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D111756

Gaius Mulley <gaius at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #56122|0                           |1
        is obsolete|                            |

--- Comment #4 from Gaius Mulley <gaius at gcc dot gnu.org> ---
Created attachment 56132
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=3D56132&action=3Dedit
Proposed fix v6, Make-lang.in uses -M and friends, gm2 and cc1gm2 implement=
 -M*

Here is a proposed fix and patch, the Make-lang.in now uses dependencies and
gm2 cc1gm2 understands all the -M* options.  Bootstrapped on x86_64 and
powerpc64le with no extra regression failures.

I've also seen it re-build with the BuildInline procedure introduced to
M2Quads.mod (rebuild).  Introduce BuildInline into M2Quads.def and P3Build.=
bnf.
Rebuild (seeing M2Quads.mod rebuild due to dependencies).=