[Bug 1591910] Review Request: blis - BLAS-like Library Instantiation Software

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https://bugzilla.redhat.com/show_bug.cgi?id=1591910



--- Comment #8 from Dave Love <dave.love@xxxxxxxxxxxxxxxx> ---
(In reply to Antonio Trande from comment #7)

> - libblas* libraries are not hardened:
> 
> $ checksec --file libblas.so.3
> RELRO           STACK CANARY      NX            PIE             RPATH     
> RUNPATH	FORTIFY	Fortified Fortifiable  FILE
> Partial RELRO   No canary found   NX enabled    DSO             No RPATH  
> No RUNPATH   No	0		0	libblas.so.3

Do you know how to change that?  Linking with %build_ldflags doesn't affect
that result.  I assume it doesn't make any real difference for the shims.

> - These packages provide same blas* libraries:
> 
> $ repoquery --whatprovides libblas.so.*
> Last metadata expiration check: 2:17:11 ago on sab 22 set 2018 12:57:31 CEST.
> blas-0:3.8.0-8.fc28.i686
> blas-0:3.8.0-8.fc28.x86_64
> blas-0:3.8.0-9.fc28.i686
> blas-0:3.8.0-9.fc28.x86_64
> 
> Must be filtered, i guess.

Sorry, I don't know what that's getting at.  Could you explain? (It's arguable
clear how the libblas shims should be handled, especially as either openblas of
blis might win in different circumstances.)

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