Re: [DynInst_API:] nasm/yasm deprecated on Linux

[Barton Miller <bart@xxxxxxxxxxx>]

Hi Stan.

Is there a description anywhere of the link time optimizer does to the binary?

--bart

On 2020-09-01 11:52 AM, Stan Cox wrote:

> Yep, we
>       still do builds on 386 for Fedora.  I came across a couple of
>       minor issues for the 386 build.
>       
>       
>       I notice the 386 testsuite build looks for nasm, which is used by
>       test6LS-x86.asm.  The test uses 32 bit register names; but I
>       didn't see any 386 specifics in it.  It should be straightforward
>       to convert the test to use gas and have it work on 386 and x8664. 
>       I just did the minimum and commented it out.
>       
>       +# nasm/yasm are deprecated
>       
>       +#  if("${DYNINST_PLATFORM}" MATCHES "i386")
>       
>       +#    enable_language(ASM_NASM)
>       
>       +#  endif()
>       
>       
>       Also related to 386 is the Fedora 34 builds now default to -flto
>       (link time optimizer).  For x86_64, aarch64, ppcle64 the dyninst
>       builds worked fine (have not tested the result) but the build
>       failed on 386 (out of memory).  I just turned on -fno-lto for 386
>       only; that should be good enough.
>       
>       
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