Dear Maintainer,
Build fails here:
Preprocessing library for ghc-lib-parser-9.4.7.20230826..
compiling dist-ghc/build/GHC/Exts/Heap/FFIClosures_ProfilingDisabled_hsc_make.c failed (exit code 1)
rsp file was: "dist-ghc/build/GHC/Exts/Heap/hsc2hscall3782483-0.rsp"
command was: /usr/bin/hppa-linux-gnu-gcc -c dist-ghc/build/GHC/Exts/Heap/FFIClosures_ProfilingDisabled_hsc_make.c -o dist-ghc/build/GHC/Exts/Heap/FFIClosures_ProfilingDisabled_hsc_make.o -D_HPUX_SOURCE -D_HPUX_SOURCE -fuse-ld=bfd -D_HPUX_SOURCE -UTHREADED_RTS -D__GLASGOW_HASKELL__=904 -Dlinux_BUILD_OS=1 -Dhppa_BUILD_ARCH=1 -Dlinux_HOST_OS=1 -Dhppa_HOST_ARCH=1 -Irts/include -Ighc-lib/stage0/lib -Ighc-lib/stage0/compiler/build -Icompiler -Idist-ghc/build/rts/include -Idist-ghc/build/ghc-lib/stage0/lib -Idist-ghc/build/ghc-lib/stage0/compiler/build -Idist-ghc/build/compiler -DTHREADED_RTS -DTHREADED_RTS -Idist-ghc/build/autogen -Idist-ghc/build/global-autogen -include dist-ghc/build/autogen/cabal_macros.h -I/usr/lib/ghc/lib/../lib/hppa-linux-ghc-9.4.7/process-1.6.17.0/include -I/usr/lib/ghc/lib/../lib/hppa-linux-ghc-9.4.7/unix-2.7.3/include -I/usr/lib/ghc/lib/../lib/hppa-linux-ghc-9.4.7/time-1.12.2/include -I/usr/lib/ghc/lib/../lib/hppa-linux-ghc-9.4.7/bytestring-0.11.5.2/include -I/usr/lib/ghc/lib/../lib/hppa-linux-ghc-9.4.7/base-4.17.2.0/include -I/usr/lib/ghc/lib/../lib/hppa-linux-ghc-9.4.7/ghc-bignum-1.3/include -I/usr/lib/ghc/lib/../lib/hppa-linux-ghc-9.4.7/rts-1.0.2/include -I/usr/include/
error: In file included from /usr/lib/ghc/lib/../lib/hppa-linux-ghc-9.4.7/rts-1.0.2/include/Stg.h:348,
from /usr/lib/ghc/lib/../lib/hppa-linux-ghc-9.4.7/rts-1.0.2/include/Rts.h:38,
from FFIClosures_ProfilingDisabled.hsc:9:
/usr/lib/ghc/lib/../lib/hppa-linux-ghc-9.4.7/rts-1.0.2/include/stg/SMP.h: In function ‘write_barrier’:
/usr/lib/ghc/lib/../lib/hppa-linux-ghc-9.4.7/rts-1.0.2/include/stg/SMP.h:416:2: error: #error memory barriers unimplemented on this architecture
416 | #error memory barriers unimplemented on this architecture
| ^~~~~
/usr/lib/ghc/lib/../lib/hppa-linux-ghc-9.4.7/rts-1.0.2/include/stg/SMP.h: In function ‘store_load_barrier’:
/usr/lib/ghc/lib/../lib/hppa-linux-ghc-9.4.7/rts-1.0.2/include/stg/SMP.h:440:2: error: #error memory barriers unimplemented on this architecture
440 | #error memory barriers unimplemented on this architecture
| ^~~~~
/usr/lib/ghc/lib/../lib/hppa-linux-ghc-9.4.7/rts-1.0.2/include/stg/SMP.h: In function ‘load_load_barrier’:
/usr/lib/ghc/lib/../lib/hppa-linux-ghc-9.4.7/rts-1.0.2/include/stg/SMP.h:464:2: error: #error memory barriers unimplemented on this architecture
464 | #error memory barriers unimplemented on this architecture
| ^~~~~