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From: "cvs-commit at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug lto/110710] LTO linker on Windows creates an invalid Makefile
Date: Thu, 02 May 2024 10:42:55 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D110710

--- Comment #15 from GCC Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Richard Biener <rguenth@gcc.gnu.org>:

https://gcc.gnu.org/g:985b5a90f70c7376c771317c6c8c3bc5ef05e227

commit r15-107-g985b5a90f70c7376c771317c6c8c3bc5ef05e227
Author: Peter Damianov <peter0x44@disroot.org>
Date:   Sun Apr 28 16:16:11 2024 -0700

    Driver: Add new -truncate option

    This commit adds a new option to the driver that truncates one file aft=
er
    linking.

    Tested likeso:

    $ gcc hello.c -c
    $ du -h hello.o
    4.0K  hello.o
    $ gcc hello.o -truncate hello.o
    $ ./a.out
    Hello world
    $ du -h hello.o
    $ 0   hello.o

    $ gcc hello.o -truncate
    gcc: error: missing filename after '-truncate'

    The motivation for adding this is PR110710. It is used by lto-wrapper to
    truncate files in a shell-independent manner.

    Signed-off-by: Peter Damianov <peter0x44@disroot.org>

            PR lto/110710
            * common.opt (truncate): New internal option.
            * gcc.cc (totruncate_file): New global.
            (driver_handle_option): Handle -truncate <file>.
            (driver::final_actions): Truncate the file indicated.=