Is HEAD broken? I get this error with hadrian: I suspect it's only broken on windows and has to do with MSYS #ifdefs /-------------------------------------------------------------------------\ | Successfully built library 'ghci' (Stage0, way v). | | Library: _build/stage0/libraries/ghci/build/libHSghci-8.9.0.20190714.a | | Library synopsis: The library supporting GHC's interactive interpreter. | \-------------------------------------------------------------------------/ | Copy package 'ghci' # cabal-copy (for _build/stage0/lib/package.conf.d/ghci-8.9.0.20190714.conf) | Register package 'ghci' # cabal-register (for _build/stage0/lib/package.conf.d/ghci-8.9.0.20190714.conf) | Run Ghc CompileHs Stage0: libraries/text/Data/Text/Internal/Encoding/Fusion/Common.hs => _build/stage0/libraries/text/build/Data/Text/Internal/Encoding/Fusion/Common.o | Run Ghc CompileHs Stage0: libraries/text/Data/Text/Show.hs => _build/stage0/libraries/text/build/Data/Text/Show.o # cabal-configure (for _build/stage0/compiler/setup-config) | Run Ghc CompileHs Stage0: libraries/text/Data/Text/Internal/Encoding/Fusion.hs => _build/stage0/libraries/text/build/Data/Text/Internal/Encoding/Fusion.o | Run Ghc CompileHs Stage0: libraries/text/Data/Text/Internal/Lazy/Encoding/Fusion.hs => _build/stage0/libraries/text/build/Data/Text/Internal/Lazy/Encoding/Fusion.o # cabal-autogen (for _build/stage0/compiler/build/autogen/cabal_macros.h) | Run GhcPkg Dependencies Stage0: process WARNING: cache is out of date: C:\ghc\msys64\opt\ghc\lib\package.conf.d\package.cache ghc will see an old view of this package db. Use 'ghc-pkg recache' to fix. | Run GhcPkg Unregister Stage0: process => none | Run Ghc CompileHs Stage0: libraries/text/Data/Text/Encoding.hs => _build/stage0/libraries/text/build/Data/Text/Encoding.o | Run Ghc CompileHs Stage0: libraries/text/Data/Text.hs => _build/stage0/libraries/text/build/Data/Text.o | Run Ghc CompileHs Stage0: libraries/text/Data/Text/Foreign.hs => _build/stage0/libraries/text/build/Data/Text/Foreign.o ghc-pkg.exe: cannot find package process | Run GhcPkg Copy Stage0: process => _build/stage0/lib/package.conf.d/process-1.6.5.0.conf | Run Ghc CompileHs Stage0: libraries/text/Data/Text/Read.hs => _build/stage0/libraries/text/build/Data/Text/Read.o | Run Ghc CompileHs Stage0: libraries/text/Data/Text/Internal/Lazy.hs => _build/stage0/libraries/text/build/Data/Text/Internal/Lazy.o | Run Ghc CompileHs Stage0: libraries/text/Data/Text/Internal/IO.hs => _build/stage0/libraries/text/build/Data/Text/Internal/IO.o WARNING: cache is out of date: C:\ghc\msys64\opt\ghc\lib\package.conf.d\package.cache ghc will see an old view of this package db. Use 'ghc-pkg recache' to fix. | Run Cc FindCDependencies Stage0: compiler/parser/cutils.c => _build/stage0/compiler/build/c/parser/cutils.o.d | Run Cc FindCDependencies Stage0: compiler/ghci/keepCAFsForGHCi.c => _build/stage0/compiler/build/c/ghci/keepCAFsForGHCi.o.d | Run Cc FindCDependencies Stage0: compiler/cbits/genSym.c => _build/stage0/compiler/build/c/cbits/genSym.o.d | Run DeriveConstants: none => _build/generated/DerivedConstants.h (and 1 more) | Run DeriveConstants: none => _build/generated/GHCConstantsHaskellExports.hs (and 1 more) | Run Happy: compiler/parser/Parser.y => _build/stage0/compiler/build/Parser.hs | Run DeriveConstants: none => _build/generated/GHCConstantsHaskellWrappers.hs (and 1 more) | Run Ghc CompileHs Stage0: libraries/text/Data/Text/Internal/Lazy/Search.hs => _build/stage0/libraries/text/build/Data/Text/Internal/Lazy/Search.o | Run Ghc CompileHs Stage0: libraries/text/Data/Text/Lazy/Internal.hs => _build/stage0/libraries/text/build/Data/Text/Lazy/Internal.o | Run Ghc CompileHs Stage0: libraries/text/Data/Text/Internal/Lazy/Fusion.hs => _build/stage0/libraries/text/build/Data/Text/Internal/Lazy/Fusion.o | Run Ghc CompileHs Stage0: libraries/text/Data/Text/IO.hs => _build/stage0/libraries/text/build/Data/Text/IO.o | Successfully generated _build/stage0/compiler/build/Config.hs. | Run Alex: compiler/cmm/CmmLex.x => _build/stage0/compiler/build/CmmLex.hs | Run HsCpp: compiler/prelude/primops.txt.pp => _build/stage0/compiler/build/primops.txt In file included from includes/MachDeps.h:45:0, from compiler/prelude/primops.txt.pp:122: includes/ghcautoconf.h:1:0: error: unterminated #if #if !defined(__GHCAUTOCONF_H__) Error when running Shake build system: at action, called at src\Rules.hs:68:19 in main:Rules at need, called at src\Rules.hs:90:5 in main:Rules * Depends on: _build/stage0/lib/package.conf.d/ghc-8.9.0.20190714.conf at need, called at src\Rules\Register.hs:115:5 in main:Rules.Register * Depends on: _build/stage0/compiler/build/libHSghc-8.9.0.20190714.a at need, called at src\Rules\Library.hs:144:5 in main:Rules.Library * Depends on: _build/stage0/compiler/build/TcTypeable.o at &%>, called at src\Rules\Compile.hs:47:9 in main:Rules.Compile * Depends on: _build/stage0/compiler/build/TcTypeable.o _build/stage0/compiler/build/TcTypeable.hi at apply1, called at src\Development\Shake\Internal\Rules\Oracle.hs:159:32 in shake-0.18.3-2a90fc68b337e984af1d3900d8eeed6f2bc6fa1a:Development.Shake.Internal.Rules.Oracle * Depends on: OracleQ (KeyValues ("_build/stage0/compiler/.dependencies","_build/stage0/compiler/build/TcTypeable.o")) at need, called at src\Hadrian\Oracles\TextFile.hs:96:9 in main:Hadrian.Oracles.TextFile * Depends on: _build/stage0/compiler/.dependencies at readFile', called at src\Rules\Dependencies.hs:34:19 in main:Rules.Dependencies at need, called at src\Development\Shake\Internal\Derived.hs:118:15 in shake-0.18.3-2a90fc68b337e984af1d3900d8eeed6f2bc6fa1a:Development.Shake.Internal.Derived * Depends on: _build/stage0/compiler/.dependencies.mk at need, called at src\Rules\Dependencies.hs:26:9 in main:Rules.Dependencies * Depends on: _build/stage0/compiler/build/primop-fixity.hs-incl at need, called at src\Rules\Generate.hs:147:5 in main:Rules.Generate * Depends on: _build/stage0/compiler/build/primops.txt * Raised the exception: user error (Development.Shake.cmd, system command failed Command line: E:/ghc_head/inplace/mingw/bin/gcc.exe -E -undef -traditional -P -Iincludes -I_build/generated -I_build/stage0/compiler/build -x c compiler/prelude/primops.txt.pp Exit code: 1 Stderr: In file included from includes/MachDeps.h:45:0, from compiler/prelude/primops.txt.pp:122: includes/ghcautoconf.h:1:0: error: unterminated #if #if !defined(__GHCAUTOCONF_H__)