https://github.com/gentoo-haskell/gentoo-haskell/issues/704

Allow users to specify -W,--relax externally and pass
-Wl,-no-relax unconditonally on all arches.

Reported-by: wmyrda
--- a/compiler/main/DriverPipeline.hs
+++ b/compiler/main/DriverPipeline.hs
@@ -2144,9 +2144,7 @@ joinObjectFiles dflags o_files output_fn = do
                         -- gcc on sparc sets -Wl,--relax implicitly, but
                         -- -r and --relax are incompatible for ld, so
                         -- disable --relax explicitly.
-                     ++ (if platformArch (targetPlatform dflags)
-                                `elem` [ArchSPARC, ArchSPARC64]
-                         && ldIsGnuLd
+                     ++ (if ldIsGnuLd
                             then [SysTools.Option "-Wl,-no-relax"]
                             else [])
                         -- See Note [Produce big objects on Windows]