https://sourceware.org/bugzilla/show_bug.cgi?id=31077
Nick Clifton <nickc at redhat dot com> changed:
What |Removed |Added
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CC| |nickc at redhat dot com
--- Comment #4 from Nick Clifton <nickc at redhat dot com> ---
(In reply to Yannik Sembritzki from comment #3)
> I have renamed the bug accordingly (the general issue of objcopy producing
> non-deterministic output still stands).
The effect you desire can be achieved by setting the SOURCE_DATE_EPOCH
environment variable and using the latest binutils sources:
$ objcopy linuxx64.efi.stub fred.efi
$ sha1sum linuxx64.efi.stub fred.efi
12db40170c6cd10c7b4fd54843e8a0fb3a5fec8a linuxx64.efi.stub
4400f02b09c5b339d688409e56739084844e57c3 fred.efi
$ export SOURCE_DATE_EPOCH=0
$ objcopy linuxx64.efi.stub fred.efi
$ sha1sum linuxx64.efi.stub fred.efi
12db40170c6cd10c7b4fd54843e8a0fb3a5fec8a linuxx64.efi.stub
12db40170c6cd10c7b4fd54843e8a0fb3a5fec8a fred.efi
Cheers
Nick
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