[Git][ghc/ghc][master] Hadrian: remove superfluous dependencies in Rules.Compile

[Marge Bot]

 Marge Bot pushed to branch master at Glasgow Haskell Compiler / GHC


Commits:
ec25fe59 by Alp Mestanogullari at 2019-06-14T03:35:56Z
Hadrian: remove superfluous dependencies in Rules.Compile

Each package's object files were 'need'ing the library files of all transitive
dependencies of the current package, whichi is pointless since the said
libraries are not needed until we link those object files together.

This fixes #16759.

- - - - -


1 changed file:

- hadrian/src/Rules/Compile.hs


Changes:

=====================================
hadrian/src/Rules/Compile.hs
=====================================
@@ -10,7 +10,6 @@ import Rules.Generate
 import Settings
 import Target
 import Utilities
-import Rules.Library
 
 import qualified Text.Parsec as Parsec
 
@@ -177,7 +176,6 @@ compileHsObjectAndHi rs objpath = do
   ctxPath <- contextPath ctx
   (src, deps) <- lookupDependencies (ctxPath -/- ".dependencies") objpath
   need (src:deps)
-  needLibrary =<< contextDependencies ctx
 
   -- The .dependencies file lists indicating inputs. ghc will
   -- generally read more *.hi and *.hi-boot files (direct inputs).



View it on GitLab: https://gitlab.haskell.org/ghc/ghc/commit/ec25fe5986c13f673882a88a3107dfa2e0cec254

-- 
View it on GitLab: https://gitlab.haskell.org/ghc/ghc/commit/ec25fe5986c13f673882a88a3107dfa2e0cec254
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