From: Arnout Vandecappelle <arnout@mind.be>
To: Romain Naour <romain.naour@gmail.com>, buildroot@buildroot.org
Subject: Re: [Buildroot] [PATCH RFC] package/binutils: build deterministic archives by default
Date: Sun, 3 Oct 2021 12:14:28 +0200 [thread overview]
Message-ID: <be59ca6e-1eee-a48b-809b-4dd815a7ac64@mind.be> (raw)
In-Reply-To: <20210929220027.10505-1-romain.naour@gmail.com>
On 30/09/2021 00:00, Romain Naour wrote:
> The option --enable-deterministic-archives that build deterministic
> archives is supported by binutils since binutils 2.23 [1][2].
Should we make this dependent on BR2_REPRODUCIBLE? AFAICS it sets the date
fields in static libraries to zero.
Is this going to fix a reproducibility issue detected by the autobuilders?
Regards,
Arnout
>
> See "Static libraries" chapter [3].
> https://reproducible-builds.org/docs/archives/
>
> Enable this option for target and host variant.
>
> It was added to Yocto Morty (2.2) in 2016 [4].
>
> [1] https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;a=commitdiff;h=2e30cb575a1d2b1eb8f776356ed59b0722a943d1
> [2] https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;a=commitdiff;h=9cb80f72d8b8b2f59562692d9385cd5a533e9b3f
> [3] https://reproducible-builds.org/docs/archives
> [4] https://github.com/openembedded/openembedded-core/commit/df0d525c02780b5a0bd7a177a249c55f41797476
>
> Signed-off-by: Romain Naour <romain.naour@gmail.com>
> ---
> package/binutils/binutils.mk | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/package/binutils/binutils.mk b/package/binutils/binutils.mk
> index 8ec76134bc..c5c685ac85 100644
> --- a/package/binutils/binutils.mk
> +++ b/package/binutils/binutils.mk
> @@ -57,6 +57,7 @@ BINUTILS_CONF_OPTS = \
> --target=$(GNU_TARGET_NAME) \
> --enable-install-libiberty \
> --enable-build-warnings=no \
> + --enable-deterministic-archives \
> $(BINUTILS_DISABLE_GDB_CONF_OPTS) \
> $(BINUTILS_EXTRA_CONFIG_OPTIONS)
>
> @@ -93,6 +94,7 @@ HOST_BINUTILS_CONF_OPTS = \
> --disable-shared \
> --enable-static \
> --with-sysroot=$(STAGING_DIR) \
> + --enable-deterministic-archives \
> --enable-poison-system-directories \
> --without-debuginfod \
> $(BINUTILS_DISABLE_GDB_CONF_OPTS) \
>
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next prev parent reply other threads:[~2021-10-03 10:14 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-29 22:00 [Buildroot] [PATCH RFC] package/binutils: build deterministic archives by default Romain Naour
2021-10-03 10:14 ` Arnout Vandecappelle [this message]
2021-10-03 13:16 ` Romain Naour
2022-01-13 21:50 ` Thomas Petazzoni
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