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From: Sedat Dilek <sedat.dilek@gmail.com>
To: Kees Cook <keescook@chromium.org>
Cc: Masahiro Yamada <masahiroy@kernel.org>,
	Michal Marek <michal.lkml@markovi.net>,
	Thomas Gleixner <tglx@linutronix.de>,
	Linux Kbuild mailing list <linux-kbuild@vger.kernel.org>,
	Clang-Built-Linux ML <clang-built-linux@googlegroups.com>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] kbuild: mkcompile_h: Include $LD version in /proc/version
Date: Mon, 6 Apr 2020 19:13:22 +0200	[thread overview]
Message-ID: <CA+icZUV1wy6QFzQJFghBpvAphMnZ1DGhYrmrryfZ7vkXfPc3vw@mail.gmail.com> (raw)
In-Reply-To: <202004060851.CCB538AD1@keescook>

On Mon, Apr 6, 2020 at 5:53 PM Kees Cook <keescook@chromium.org> wrote:
[ ... ]
> > How to test scripts/mkcompile_h?
>
> There's probably a better way, but I do:
>
> $ rm include/generated/compile.h init/version.o
> $ make init/version.o
> $ cat include/generated/compile.h
>

Thanks Kees.

# Clean-up
make distclean

# Prereq: Generate include/generated/autoconf.h file
cp -v /boot/config-5.6.0-2-amd64-clang .config
MAKE="make V=1" ; COMPILER="mycompiler" ; LINKER="mylinker" ;
MAKE_OPTS="CC=$COMPILER HOSTCC=$COMPILER LD=$LINKER HOSTLD=$LINKER"
yes "" | $MAKE $MAKE_OPTS oldconfig && $MAKE $MAKE_OPTS syncconfig < /dev/null

# Generate include/generated/compile.h file
$MAKE $MAKE_OPTS init/version.o

cat include/generated/compile.h

/* This file is auto generated, version 1 */
/* SMP */
#define UTS_MACHINE "x86_64"
#define UTS_VERSION "#1 SMP Mon Apr 6 19:05:53 CEST 2020"
#define LINUX_COMPILE_BY "dileks"
#define LINUX_COMPILE_HOST "iniza"
#define LINUX_COMPILER "clang version 10.0.0-2, LLD 10.0.0"

- sed@ -

  reply	other threads:[~2020-04-06 17:13 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-04-02  8:18 [PATCH] kbuild: mkcompile_h: Include $LD version in /proc/version Kees Cook
2020-04-02 14:24 ` Sedat Dilek
2020-04-05 11:23   ` Sedat Dilek
2020-04-05 13:55     ` Masahiro Yamada
2020-04-06 10:35       ` Sedat Dilek
2020-04-06 15:53         ` Kees Cook
2020-04-06 17:13           ` Sedat Dilek [this message]
2020-04-02 17:00 ` Masahiro Yamada
2020-04-02 17:33   ` Kees Cook
2020-04-02 18:22   ` Nick Desaulniers
2020-04-02 18:31     ` Kees Cook
2020-04-04  4:51       ` Fangrui Song
2020-04-04  4:02 ` Nathan Chancellor
2020-04-08 10:22 ` Sedat Dilek

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