Cannot build ghc-9.0 branch (or older GHC branches) with happy-1.20.0
Attempting to build the ghc-9.0 branch (at commit 5ccf44c6) using happy-1.20.0 yields the following errors:
[525 of 543] Compiling GHC.Cmm.Parser ( /home/rgscott/Software/ghc-9.0/.hadrian_ghci/stage0/compiler/build/GHC/Cmm/Parser.hs, nothing )
/home/rgscott/Software/ghc-9.0/.hadrian_ghci/stage0/compiler/build/GHC/Cmm/Parser.hs:477:24: error:
Not in scope: ‘Prelude.*’
No module named ‘Prelude’ is imported.
|
477 | bit_start = st Prelude.* 134
| ^^^^^^^^^
/home/rgscott/Software/ghc-9.0/.hadrian_ghci/stage0/compiler/build/GHC/Cmm/Parser.hs:478:23: error:
Not in scope: ‘Prelude.+’
No module named ‘Prelude’ is imported.
|
478 | bit_end = (st Prelude.+ 1) Prelude.* 134
| ^^^^^^^^^
/home/rgscott/Software/ghc-9.0/.hadrian_ghci/stage0/compiler/build/GHC/Cmm/Parser.hs:478:36: error:
Not in scope: ‘Prelude.*’
No module named ‘Prelude’ is imported.
|
478 | bit_end = (st Prelude.+ 1) Prelude.* 134
| ^^^^^^^^^
/home/rgscott/Software/ghc-9.0/.hadrian_ghci/stage0/compiler/build/GHC/Cmm/Parser.hs:480:16: error:
Not in scope: ‘Prelude.map’
No module named ‘Prelude’ is imported.
|
480 | bits = Prelude.map read_bit [bit_start..bit_end Prelude.- 1]
| ^^^^^^^^^^^
/home/rgscott/Software/ghc-9.0/.hadrian_ghci/stage0/compiler/build/GHC/Cmm/Parser.hs:480:57: error:
Not in scope: ‘Prelude.-’
No module named ‘Prelude’ is imported.
|
480 | bits = Prelude.map read_bit [bit_start..bit_end Prelude.- 1]
| ^^^^^^^^^
/home/rgscott/Software/ghc-9.0/.hadrian_ghci/stage0/compiler/build/GHC/Cmm/Parser.hs:481:24: error:
Not in scope: ‘Prelude.zip’
No module named ‘Prelude’ is imported.
|
481 | bits_indexed = Prelude.zip bits [0..133]
| ^^^^^^^^^^^
/home/rgscott/Software/ghc-9.0/.hadrian_ghci/stage0/compiler/build/GHC/Cmm/Parser.hs:482:31: error:
Not in scope: ‘Prelude.concatMap’
Perhaps you meant ‘GHC.Prelude.concatMap’ (imported from GHC.Prelude)
No module named ‘Prelude’ is imported.
|
482 | token_strs_expected = Prelude.concatMap f bits_indexed
| ^^^^^^^^^^^^^^^^^
/home/rgscott/Software/ghc-9.0/.hadrian_ghci/stage0/compiler/build/GHC/Cmm/Parser.hs:483:12: error:
Not in scope: data constructor ‘Prelude.False’
No module named ‘Prelude’ is imported.
|
483 | f (Prelude.False, _) = []
| ^^^^^^^^^^^^^
/home/rgscott/Software/ghc-9.0/.hadrian_ghci/stage0/compiler/build/GHC/Cmm/Parser.hs:484:12: error:
Not in scope: data constructor ‘Prelude.True’
No module named ‘Prelude’ is imported.
|
484 | f (Prelude.True, nr) = [token_strs Prelude.!! nr]
| ^^^^^^^^^^^^
/home/rgscott/Software/ghc-9.0/.hadrian_ghci/stage0/compiler/build/GHC/Cmm/Parser.hs:484:44: error:
Not in scope: ‘Prelude.!!’
No module named ‘Prelude’ is imported.
|
484 | f (Prelude.True, nr) = [token_strs Prelude.!! nr]
| ^^^^^^^^^^
/home/rgscott/Software/ghc-9.0/.hadrian_ghci/stage0/compiler/build/GHC/Cmm/Parser.hs:676:23: error:
Not in scope: type constructor or class ‘Prelude.Int’
No module named ‘Prelude’ is imported.
|
676 | happy_n_terms = 78 :: Prelude.Int
| ^^^^^^^^^^^
/home/rgscott/Software/ghc-9.0/.hadrian_ghci/stage0/compiler/build/GHC/Cmm/Parser.hs:677:26: error:
Not in scope: type constructor or class ‘Prelude.Int’
No module named ‘Prelude’ is imported.
|
677 | happy_n_nonterms = 54 :: Prelude.Int
| ^^^^^^^^^^^
/home/rgscott/Software/ghc-9.0/.hadrian_ghci/stage0/compiler/build/GHC/Cmm/Parser.hs:2667:48: error:
Not in scope: type constructor or class ‘Prelude.Int’
No module named ‘Prelude’ is imported.
|
2667 | happyReduceArr :: () => Happy_Data_Array.Array Prelude.Int (Happy_GHC_Exts.Int# -> Located CmmToken -> Happy_GHC_Exts.Int# -> Happy_IntList -> HappyStk (HappyAbsSyn ) -> PD (HappyAbsSyn ))
| ^^^^^^^^^^^
/home/rgscott/Software/ghc-9.0/.hadrian_ghci/stage0/compiler/build/GHC/Cmm/Parser.hs:2673:44: error:
Not in scope: type constructor or class ‘Prelude.String’
Perhaps you meant ‘GHC.Prelude.String’ (imported from GHC.Prelude)
No module named ‘Prelude’ is imported.
|
2673 | happyError' :: () => ((Located CmmToken), [Prelude.String]) -> PD a
| ^^^^^^^^^^^^^^
/home/rgscott/Software/ghc-9.0/.hadrian_ghci/stage0/compiler/build/GHC/Cmm/Parser.hs:3375:99: error:
Not in scope: type constructor or class ‘Prelude.Int’
No module named ‘Prelude’ is imported.
|
3375 | happyFail (happyExpListPerState ((Happy_GHC_Exts.I# (st)) :: Prelude.Int)) i tk st
| ^^^^^^^^^^^
/home/rgscott/Software/ghc-9.0/.hadrian_ghci/stage0/compiler/build/GHC/Cmm/Parser.hs:3378:103: error:
Not in scope: type constructor or class ‘Prelude.Bool’
No module named ‘Prelude’ is imported.
|
3378 | n | LT(n,(0# :: Happy_GHC_Exts.Int#)) -> {- nothing -}
| ^^^^^^^^^^^^
/home/rgscott/Software/ghc-9.0/.hadrian_ghci/stage0/compiler/build/GHC/Cmm/Parser.hs:3386:109: error:
Not in scope: type constructor or class ‘Prelude.Bool’
No module named ‘Prelude’ is imported.
|
3386 | check = if GTE(off_i,(0# :: Happy_GHC_Exts.Int#))
| ^^^^^^^^^^^^
/home/rgscott/Software/ghc-9.0/.hadrian_ghci/stage0/compiler/build/GHC/Cmm/Parser.hs:3387:115: error:
Not in scope: type constructor or class ‘Prelude.Bool’
No module named ‘Prelude’ is imported.
|
3387 | then EQ(indexShortOffAddr happyCheck off_i, i)
| ^^^^^^^^^^^^
/home/rgscott/Software/ghc-9.0/.hadrian_ghci/stage0/compiler/build/GHC/Cmm/Parser.hs:3388:24: error:
Not in scope: data constructor ‘Prelude.False’
No module named ‘Prelude’ is imported.
|
3388 | else Prelude.False
| ^^^^^^^^^^^^^
/home/rgscott/Software/ghc-9.0/.hadrian_ghci/stage0/compiler/build/GHC/Cmm/Parser.hs:3391:13: error:
Not in scope: ‘Prelude.otherwise’
Perhaps you meant ‘GHC.Prelude.otherwise’ (imported from GHC.Prelude)
No module named ‘Prelude’ is imported.
|
3391 | | Prelude.otherwise = indexShortOffAddr happyDefActions st
| ^^^^^^^^^^^^^^^^^
/home/rgscott/Software/ghc-9.0/.hadrian_ghci/stage0/compiler/build/GHC/Cmm/Parser.hs:3408:71: error:
Not in scope: type constructor or class ‘Prelude.Bool’
No module named ‘Prelude’ is imported.
|
3408 | happyLt x y = LT(x,y)
| ^^^^^^^^^^^^
/home/rgscott/Software/ghc-9.0/.hadrian_ghci/stage0/compiler/build/GHC/Cmm/Parser.hs:3412:115: error:
Not in scope: ‘Prelude.mod’
No module named ‘Prelude’ is imported.
|
3412 | Bits.testBit (Happy_GHC_Exts.I# (indexShortOffAddr arr ((unbox_int bit) `Happy_GHC_Exts.iShiftRA#` 4#))) (bit `Prelude.mod` 16)
| ^^^^^^^^^^^^^
/home/rgscott/Software/ghc-9.0/.hadrian_ghci/stage0/compiler/build/GHC/Cmm/Parser.hs:3556:17: error:
Not in scope: ‘Prelude.error’
No module named ‘Prelude’ is imported.
|
3556 | notHappyAtAll = Prelude.error "Internal Happy error\n"
| ^^^^^^^^^^^^^
/home/rgscott/Software/ghc-9.0/.hadrian_ghci/stage0/compiler/build/GHC/Cmm/Parser.hs:3574:22: error:
Not in scope: ‘Prelude.seq’
No module named ‘Prelude’ is imported.
|
3574 | happyDoSeq a b = a `Prelude.seq` b
| ^^^^^^^^^^^^^Downgrading to an earlier version of happy (e.g., happy-1.19.12) is a workaround. As far as I can tell, this issue makes all old versions of GHC unbuildable with happy-1.20.0.
I'm not quite sure what the best way forward is here, but cherry-picking commit fddddbf4 appears to be one possible solution. Thoughts, @int-index?
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