Bug#967075: haskell-ghc-lib-parser: FTBFS on mips* and s390x: /usr/lib/ghc/include/stg/SMP.h:390:2: error: #error memory barriers unimplemented on this architecture

[Sebastian Ramacher]

Source: haskell-ghc-lib-parser
Version: 8.8.3.20200412.1-2
Severity: important
Tags: ftbfs
Justification: fails to build from source (but built successfully in the past)

The package currently fails to build on mipsel, mips64el and s390x:
| /usr/lib/ghc/include/stg/SMP.h: In function ‘load_load_barrier’:
| /usr/lib/ghc/include/stg/SMP.h:390:2: error: #error memory barriers unimplemented on this architecture
|   390 | #error memory barriers unimplemented on this architecture
|       |  ^~~~~
| compiling dist-ghc/build/GHC/Exts/Heap/InfoTable_hsc_make.c failed (exit code 1)

See
https://buildd.debian.org/status/fetch.php?pkg=haskell-ghc-lib-parser&arch=mips64el&ver=8.8.3.20200412.1-2&stamp=1595944286&raw=0

Cheers
-- 
Sebastian Ramacher
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