Hadrian: Error "cannot find -lHSrts-1.0_thr_l" when linking ghc executable.

[Sebastian Graf]

Oh, nevermind. See the comments on
https://gitlab.haskell.org/ghc/ghc/-/commit/fc644b1a643128041cfec25db84e417851e28bab.
Apparently, master really is broken in devel2 flavour!

Am Mi., 25. Nov. 2020 um 10:38 Uhr schrieb Sebastian Graf <
sgraf1337 at gmail.com>:

> Hi Roland,
>
> Since you mention an RTS variant with an _l suffix (for eventlog), I
> suspect that you may have to (reboot? and) reconfigure after
> https://gitlab.haskell.org/ghc/ghc/-/issues/18948 and
> https://gitlab.haskell.org/ghc/ghc/-/merge_requests/4448.
>
> Does that help?
>
> Cheers,
> Sebastian
>
> Am Mi., 25. Nov. 2020 um 10:33 Uhr schrieb Roland Senn <rsx at bluewin.ch>:
>
>> Hi there!
>>
>> I have two GHC trees. One is called ghcdebug and is a little bit
>> outdated (16. September 2020). In this tree, I can work normally:
>> Change code, compile and run the resulting GHC compiler.
>>
>> The second tree is up-to-date! Compiling works fine, however the linker
>> steps for the ghc executable fails. When I restart the failing link
>> step, I get the following error:
>>
>> $ hadrian/build --flavour=devel2 --freeze1 -j2 stage2:exe:ghc-bin
>> Up to date
>> | Run Ghc LinkHs Stage1: _build/stage1/ghc/build/c/hschooks.o (and 7
>> more) => _build/stage1/bin/ghc
>> /usr/bin/ld.gold: error: cannot find -lHSrts-1.0_thr_l
>> _build/stage1/ghc/build/GHCi/Leak.o(.text+0xd5): error: undefined
>> reference to 'stg_upd_frame_info'
>> _build/stage1/ghc/build/GHCi/Leak.o(.text+0x1c2): error: undefined
>> reference to 'stg_upd_frame_info'
>> _build/stage1/ghc/build/GHCi/Leak.o(.text+0x1e6): error: undefined
>> reference to 'stg_ap_ppp_info'
>>               ...  and many many more lines with "error: undefined
>> reference to ..."
>>
>> I get the same error when I use a freshly cloned ghc tree. I also get
>> the error independently of the GHC version used to compile (8.8.3 or
>> 8.10.2). I didn't modify any settings files.
>>
>> I do:
>>    hadrian/build clean
>>    hadrian/build --flavour=devel2 -j2
>>
>> I'm using a normal x68_64 box with plain vanilla Linux Debian 10. No
>> Docker and no Nix.
>>
>> The directory _build/stage/rts/build contains:
>>
>> roland at goms:~/Projekte/ghc$ ls -all _build/stage1/rts/build/
>> insgesamt 19396
>> drwxr-xr-x 5 roland roland     4096 Nov 24 17:58 .
>> drwxr-xr-x 3 roland roland     4096 Nov 24 17:56 ..
>> drwxr-xr-x 2 roland roland     4096 Nov 24 17:56 autogen
>> drwxr-xr-x 7 roland roland    12288 Nov 24 17:58 c
>> drwxr-xr-x 2 roland roland     4096 Nov 24 17:58 cmm
>> -rw-r--r-- 1 roland roland    31349 Nov 24 17:58 DerivedConstants.h
>> -rw-r--r-- 1 roland roland    13764 Nov 24 17:57 ffi.h
>> -rw-r--r-- 1 roland roland     4343 Nov 24 17:57 ffitarget.h
>> -rw-r--r-- 1 roland roland    15128 Nov 24 17:58 ghcautoconf.h
>> -rw-r--r-- 1 roland roland      618 Nov 24 17:58 ghcplatform.h
>> -rw-r--r-- 1 roland roland      732 Nov 24 17:58 ghcversion.h
>> -rw-r--r-- 1 roland roland    82486 Nov 24 17:57 libCffi.a
>> lrwxrwxrwx 1 roland roland        9 Nov 24 17:57 libCffi_thr.a ->
>> libCffi.a
>> -rw-r--r-- 1 roland roland  9166966 Nov 24 17:58 libHSrts-1.0.a
>> -rw-r--r-- 1 roland roland 10490730 Nov 24 17:58 libHSrts-1.0_thr.a
>>
>> Any ideas what's wrong or how to fix?
>>
>> Many thanks and Cheers,
>>    Roland
>>
>> _______________________________________________
>> ghc-devs mailing list
>> ghc-devs at haskell.org
>> http://mail.haskell.org/cgi-bin/mailman/listinfo/ghc-devs
>>
>
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