[FFmpeg-devel] [PATCH] configure: use ar and ranlib in deterministic mode

[Michael Niedermayer]

On Mon, Jan 26, 2015 at 09:56:03PM +0100, Michael Niedermayer wrote:
> On Wed, Jan 21, 2015 at 11:14:06PM +0100, Andreas Cadhalpun wrote:
> > Hi,
> > 
> > ar and ranlib add timestamp and uid/gid for the object files in
> > static libraries.
> > If used in deterministic mode, these are set to zero, making the
> > binaries reproducible.
> > Attached patch achieves that.
> > 
> > Best regards,
> > Andreas
> 
> >  configure |    4 ++--
> >  1 file changed, 2 insertions(+), 2 deletions(-)
> > cc82891432d19e330d65ab717fd2722ab3304ecc  configure-use-ar-and-ranlib-in-deterministic-mode.patch
> > From 1dfc47cb27ae6f3d88b8b7ca690b980842003ee7 Mon Sep 17 00:00:00 2001
> > From: Andreas Cadhalpun <Andreas.Cadhalpun at googlemail.com>
> > Date: Wed, 21 Jan 2015 22:32:58 +0100
> > Subject: [PATCH] configure: use ar and ranlib in deterministic mode
> > 
> > this makes the static libraries binary reproducible
> 
> applied

reverted, breaks on BSDs

ar: illegal option -- D
Usage: ar [emulation options] [-]{dmpqrstx}[abcfilNoPsSuvV] [member-name] [count] archive-file file...
       ar -M [<mri-script]
 commands:
  d            - delete file(s) from the archive
  m[ab]        - move file(s) in the archive
  p            - print file(s) found in the archive
  q[f]         - quick append file(s) to the archive
  r[ab][f][u]  - replace existing or insert new file(s) into the archive
  t            - display contents of archive
  x[o]         - extract file(s) from the archive
 command specific modifiers:
  [a]          - put file(s) after [member-name]
  [b]          - put file(s) before [member-name] (same as [i])
  [N]          - use instance [count] of name
  [f]          - truncate inserted file names
  [P]          - use full path names when matching
  [o]          - preserve original dates
  [u]          - only replace files that are newer than current archive contents
 generic modifiers:
  [c]          - do not warn if the library had to be created
  [s]          - create an archive index (cf. ranlib)
  [S]          - do not build a symbol table
  [v]          - be verbose
  [V]          - display the version number
 emulation options:
  No emulation specific options
ar: supported targets: elf64-x86-64 elf32-i386 a.out-i386-netbsd coff-i386 efi-app-ia32 elf64-little elf64-big elf32-little elf32-big srec symbolsrec tekhex binary ihex netbsd-core
gmake: *** [libavdevice/libavdevice.a] Error 1

[...]

-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

The worst form of inequality is to try to make unequal things equal.
-- Aristotle
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 181 bytes
Desc: Digital signature
URL: <https://ffmpeg.org/pipermail/ffmpeg-devel/attachments/20150126/0b8e2488/attachment.asc>