diff options
Diffstat (limited to 'hadrian/src/Settings/Builders/SplitSections.hs')
| -rw-r--r-- | hadrian/src/Settings/Builders/SplitSections.hs | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/hadrian/src/Settings/Builders/SplitSections.hs b/hadrian/src/Settings/Builders/SplitSections.hs new file mode 100644 index 0000000000..215d164b55 --- /dev/null +++ b/hadrian/src/Settings/Builders/SplitSections.hs @@ -0,0 +1,36 @@ +-- | Settings required when split-sections is enabled. +module Settings.Builders.SplitSections where + +import Expression +import Packages +import Settings +import Flavour.Type + +import Oracles.Setting + +-- | Does it make sense to enable or disable split sections? +splitSectionsArgs :: Args +splitSectionsArgs = do + pkg <- getPackage + osx <- expr isOsxTarget + notSt0 <- notStage0 + flav <- expr flavour + if ( ghcSplitSections flav + -- Flavour enables split-sections + && not osx + -- OS X doesn't support split sections + && notSt0 + -- Disable for stage 0 because we aren't going to ship + -- the resulting binaries and consequently there is no + -- reason to minimize size. + && (pkg /= ghc) + -- Disable section splitting for the GHC library. + -- It takes too long and there is little benefit. + ) then + ( mconcat + [ builder (Ghc CompileHs) ? arg "-fsplit-sections" + , builder MergeObjects ? ifM (expr isWinTarget) + (pure ["-t", "driver/utils/merge_sections_pe.ld"]) + (pure ["-t", "driver/utils/merge_sections.ld"]) + ] + ) else mempty |