external interpreter failing on Mac

[Carter Schonwald]

If you build ghc on your Mac, unless you enable intree gmp in the build.mk
file, it will select a system install of gmp. One way to avoid this is to
build your ghc with intree enabled.  Also makes it easier to share binaries
across Mac users :)

On Thu, Jun 15, 2017 at 9:32 AM Richard Eisenberg <rae at cs.brynmawr.edu>
wrote:

> With deep gratitude to Ben and Moritz, who helped me on IRC, I’ve figured
> this out. Somehow my gmp install was broken -- a `brew install gmp` fixes
> it. What’s very bizarre is that the brokenness happened on two different
> computers, so it’s not terribly hard to do. Of course, both computers are
> maintained by me, so I may have done the same strange step twice.
>
> Posting a ticket seems unlikely to be helpful, so I’ll park this issue for
> now, having solved it. But if anyone ever sees this again, the answer is
> `brew install gmp`.
>
> Thanks,
> Richard
>
> On Jun 15, 2017, at 4:47 AM, Simon Marlow <marlowsd at gmail.com> wrote:
>
> No idea what this is, but just to point out that the continuous build
> succeeded on OS X at the same revision that you have:
> https://phabricator.haskell.org/B16186, so this is at least not a
> universal failure.  Something specific to the version of GMP, or some other
> external tool/library?
>
> On 14 June 2017 at 14:55, Richard Eisenberg <rae at cs.brynmawr.edu> wrote:
>
>> Hi devs,
>>
>> It seems every test run through the external interpreter is failing for
>> me on a Mac:
>>
>> =====> TH_mkName(ext-interp) 1 of 1 [0, 0, 0]
>> cd "./TH_mkName.run" &&  "/Users/rae/ghc/ghc/inplace/test
>> spaces/ghc-stage2" -c TH_mkName.hs -dcore-lint -dcmm-lint
>> -no-user-package-db -rtsopts -fno-warn-missed-specialisations
>> -fshow-warning-groups -fdiagnostics-color=never -fno-diagnostics-show-caret
>> -dno-debug-output -XTemplateHaskell -package template-haskell
>> -fexternal-interpreter -v0
>> Compile failed (exit code 1) errors were:
>> ghc-iserv.bin:
>> lookupSymbol failed in relocateSection (RELOC_GOT)
>> /Users/rae/ghc/ghc/libraries/integer-gmp/dist-install/build/HSinteger-gmp-1.0.0.1.o:
>> unknown symbol `___gmp_rands'
>> ghc-stage2: unable to load package `integer-gmp-1.0.0.1'
>>
>> *** unexpected failure for TH_mkName(ext-interp)
>>
>> Any advice? My most recent commit from master
>> is ef07010cf4f480d9f595a71cf5b009884522a75e from Wed Jun 7.
>>
>> I'm on IRC today if you want to iterate that way.
>>
>> Thanks!
>> Richard
>>
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>>
>>
>
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