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From: "cvs-commit at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug modula2/111756] Re-building all-gcc after source changes fails
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Date: Wed, 18 Oct 2023 02:10:51 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D111756

--- Comment #9 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The releases/gcc-13 branch has been updated by Gaius Mulley
<gaius@gcc.gnu.org>:

https://gcc.gnu.org/g:bdf4b6f9f2847b7abba5392e271e30f55541935e

commit r13-7960-gbdf4b6f9f2847b7abba5392e271e30f55541935e
Author: Gaius Mulley <gaiusmod2@gmail.com>
Date:   Wed Oct 18 03:09:29 2023 +0100

    PR modula2/111756: Re-building all-gcc after source changes fails to li=
nk

    When having modula-2 enabled in a development tree and there are any
    changes that trigger rebuilds in m2/ doing a 'make all-gcc' in the
    build directory might fail due to lack of dependency tracking.
    This patch introduces build dependencies into gcc/m2/Make-lang.in using
    -M* options.

    gcc/m2/ChangeLog:

            PR modula2/111756
            * Make-lang.in (CM2DEP): New define conditionally set if
            ($(CXXDEPMODE),depmode=3Dgcc3).
            (m2/gm2-gcc/%.o): Ensure $(@D)/$(DEPDIR) is created.
            Add $(CM2DEP) to the $(COMPILER) command and use $(POSTCOMPILE).
            (m2/gm2-gcc/m2configure.o): Ditto.
            (m2/gm2-lang.o): Ditto.
            (m2/m2pp.o): Ditto.
            (m2/gm2-gcc/rtegraph.o): Ditto.
            (m2/mc-boot/$(SRC_PREFIX)%.o): Ditto.
            (m2/mc-boot-ch/$(SRC_PREFIX)%.o): Ditto.
            (m2/mc-boot-ch/$(SRC_PREFIX)%.o): Ditto.
            (m2/mc-boot/main.o): Ditto.
            (mcflex.o): Ditto.
            (m2/gm2-libs-boot/M2RTS.o): Ditto.
            (m2/gm2-libs-boot/%.o): Ditto.
            (m2/gm2-libs-boot/%.o): Ditto.
            (m2/gm2-libs-boot/RTcodummy.o): Ditto.
            (m2/gm2-libs-boot/RTintdummy.o): Ditto.
            (m2/gm2-libs-boot/wrapc.o): Ditto.
            (m2/gm2-libs-boot/UnixArgs.o): Ditto.
            (m2/gm2-libs-boot/choosetemp.o): Ditto.
            (m2/gm2-libs-boot/errno.o): Ditto.
            (m2/gm2-libs-boot/dtoa.o): Ditto.
            (m2/gm2-libs-boot/ldtoa.o): Ditto.
            (m2/gm2-libs-boot/termios.o): Ditto.
            (m2/gm2-libs-boot/SysExceptions.o): Ditto.
            (m2/gm2-libs-boot/SysStorage.o): Ditto.
            (m2/gm2-compiler-boot/M2GCCDeclare.o): Ditto.
            (m2/gm2-compiler-boot/M2Error.o): Ditto.
            (m2/gm2-compiler-boot/%.o): Ditto.
            (m2/gm2-compiler-boot/%.o): Ditto.
            (m2/gm2-compiler-boot/m2flex.o): Ditto.
            (m2/gm2-compiler/m2flex.o): Ditto.
            (m2/gm2-libs/choosetemp.o): Ditto.
            (m2/boot-bin/mklink$(exeext)): Ditto.
            (m2/pge-boot/%.o): Ditto.
            (m2/pge-boot/%.o): Ditto.
            * README: Remove out of date info.
            * gm2-compiler/M2Quads.mod (BuildStringAdrParam): Correct
            procedure end name.
            * gm2-compiler/SymbolTable.mod (GetVarPointerCheck): Add
            default FALSE return value.

    Signed-off-by: Gaius Mulley <gaiusmod2@gmail.com>=