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[bfd/ChangeLog]

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2009-03-11  Chris Demetriou  <cgd@google.com>

	* bfd.c (BFD_DETERMINISTIC_OUTPUT): New flag.
	* bfd-in2.h: Regenerate.
	* archive.c (bfd_ar_hdr_from_filesystem): If BFD_DETERMINISTIC_OUTPUT
	flag is set, use 0 for uid, gid, and timestamp, and use 0644 for file
	mode.
	(bsd_write_armap): Likewise.
	(_bfd_archive_bsd_update_armap_timestamp): If BFD_DETERMINISTIC_OUTPUT
	flag is set, do nothing.
	(coff_write_armap): If BFD_DETERMINISTIC_OUTPUT flag is set, use 0
	for timestamp.

[binutils/ChangeLog]
2009-03-11  Chris Demetriou  <cgd@google.com>

	* ar.c (deterministic): New global variable.
	(main): Recognize new 'D' option, which enables 'deterministic mode'.
	(usage): Document new 'D' option.
	(write_archive): Set BFD_DETERMINISTIC_OUTPUT in output archive's
	flags if deterministic mode was requested.
	* doc/binutils.texi (ar): Document deterministic mode ('D' option).

[binutils/testsuite/ChangeLog]
2009-03-11  Chris Demetriou  <cgd@google.com>

	* binutils-all/ar.exp (deterministic_archive): New test.
This commit is contained in:
Chris Demetriou 2009-03-11 04:36:40 +00:00
parent a07dbd482b
commit 36e4dce69d
9 changed files with 144 additions and 5 deletions
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9
binutils/doc/binutils.texi
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@ -396,6 +396,15 @@ created if it did not exist, when you request an update. But a warning is
issued unless you specify in advance that you expect to create it, by
using this modifier.
@item D
@cindex deterministic archives
Operate in @emph{deterministic} mode. When adding files and the archive
index use zero for UIDs, GIDs, timestamps, and use consistent file modes
for all files. When this option is used, if @command{ar} is used with
identical options and identical input files, multiple runs will create
identical output files regardless of the input files' owners, groups,
file modes, or modification times.
@item f
Truncate names in the archive. @sc{gnu} @command{ar} will normally permit file
names of any length. This will cause it to create archives which are