[bfd/ChangeLog]

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.

1 files changed, 5 insertions, 0 deletions

diff --git a/bfd/bfd.c b/bfd/bfd.c
index 847da52..9979ac6 100644
--- a/bfd/bfd.c
+++ b/bfd/bfd.c
@@ -145,6 +145,11 @@ CODE_FRAGMENT
 .     to any input file.  *}
 .#define BFD_LINKER_CREATED 0x2000
 .
+.  {* This may be set before writing out a BFD to request that it
+.     be written using values for UIDs, GIDs, timestamps, etc. that
+.     will be consistent from run to run.  *}
+.#define BFD_DETERMINISTIC_OUTPUT 0x4000
+.
 .  {* Currently my_archive is tested before adding origin to
 .     anything. I believe that this can become always an add of
 .     origin, with origin set to 0 for non archive files.  *}