Re: [Buildroot] [PATCH RFC] package/binutils: build deterministic archives by default
From: Arnout Vandecappelle <hidden>
Date: 2021-10-03 10:14:37
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
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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 <redacted> --- 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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