Please describe the problem.

$> make debianstandalone
...
[644 of 645] Compiling CmdLine.GitAnnex ( CmdLine/GitAnnex.hs, dist/build/git-annex/git-annex-tmp/CmdLine/GitAnnex.o )
[645 of 645] Compiling Main             ( git-annex.hs, dist/build/git-annex/git-annex-tmp/Main.o )
Linking dist/build/git-annex/git-annex ...
ghc --make Build/Standalone -Wall -fno-warn-tabs
[18 of 30] Compiling BuildInfo        ( BuildInfo.hs, BuildInfo.o )
[19 of 30] Compiling Build.BundledPrograms ( Build/BundledPrograms.hs, Build/BundledPrograms.o )
[20 of 30] Compiling Utility.DebugLocks ( Utility/DebugLocks.hs, Utility/DebugLocks.o )
[21 of 30] Compiling Utility.Env      ( Utility/Env.hs, Utility/Env.o )
[22 of 30] Compiling Utility.FileSize ( Utility/FileSize.hs, Utility/FileSize.o )
[23 of 30] Compiling Utility.PartialPrelude ( Utility/PartialPrelude.hs, Utility/PartialPrelude.o )
[24 of 30] Compiling Utility.Network  ( Utility/Network.hs, Utility/Network.o )
[25 of 30] Compiling Utility.Path.AbsRel ( Utility/Path/AbsRel.hs, Utility/Path/AbsRel.o )
[26 of 30] Compiling Utility.LinuxMkLibs ( Utility/LinuxMkLibs.hs, Utility/LinuxMkLibs.o )
[27 of 30] Compiling Common           ( Common.hs, Common.o )
[28 of 30] Compiling Utility.CopyFile ( Utility/CopyFile.hs, Utility/CopyFile.o )
[29 of 30] Compiling Build.LinuxMkLibs ( Build/LinuxMkLibs.hs, Build/LinuxMkLibs.o )

Build/LinuxMkLibs.hs:45:41: error:
    • Couldn't match type ‘Data.ByteString.Internal.ByteString’
                     with ‘[Char]’
      Expected type: String
        Actual type: System.Posix.ByteString.FilePath.RawFilePath
    • In the second argument of ‘writeFile’, namely
        ‘(parentDir $ head gconvlibs)’
      In a stmt of a 'do' block:
        writeFile (top </> "gconvdir") (parentDir $ head gconvlibs)
      In the expression:
        do fs <- dirContentsRecursive top
           exes <- filterM checkExe fs
           libs <- parseLdd <$> readProcess "ldd" exes
           glibclibs <- glibcLibs
           ....
   |
45 |         writeFile (top </> "gconvdir") (parentDir $ Prelude.head gconvlibs)
   |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

Build/LinuxMkLibs.hs:45:53: error:
    • Couldn't match type ‘[Char]’
                     with ‘Data.ByteString.Internal.ByteString’
      Expected type: System.Posix.ByteString.FilePath.RawFilePath
        Actual type: FilePath
    • In the second argument of ‘($)’, namely ‘head gconvlibs’
      In the second argument of ‘writeFile’, namely
        ‘(parentDir $ head gconvlibs)’
      In a stmt of a 'do' block:
        writeFile (top </> "gconvdir") (parentDir $ head gconvlibs)
   |
45 |         writeFile (top </> "gconvdir") (parentDir $ Prelude.head gconvlibs)
   |                                                     ^^^^^^^^^^^^^^^^^^^^^^

Build/LinuxMkLibs.hs:110:17: error:
    • Variable not in scope:
        relPathDirToFile :: FilePath -> [Char] -> IO FilePath
    • Perhaps you meant ‘relPathDirToFileAbs’ (imported from Utility.Path)
    |
110 |         link <- relPathDirToFile (top </> exedir) (top ++ linker)
    |                 ^^^^^^^^^^^^^^^^

Build/LinuxMkLibs.hs:132:31: error:
    • Couldn't match type ‘Data.ByteString.Internal.ByteString’
                     with ‘[Char]’
      Expected type: FilePath
        Actual type: System.Posix.ByteString.FilePath.RawFilePath
    • In the second argument of ‘($)’, namely ‘parentDir f’
      In the expression: inTop top $ parentDir f
      In an equation for ‘destdir’: destdir = inTop top $ parentDir f
    |
132 |         destdir = inTop top $ parentDir f
    |                               ^^^^^^^^^^^

Build/LinuxMkLibs.hs:132:41: error:
    • Couldn't match type ‘[Char]’
                     with ‘Data.ByteString.Internal.ByteString’
      Expected type: System.Posix.ByteString.FilePath.RawFilePath
        Actual type: FilePath
    • In the first argument of ‘parentDir’, namely ‘f’
      In the second argument of ‘($)’, namely ‘parentDir f’
      In the expression: inTop top $ parentDir f
    |
132 |         destdir = inTop top $ parentDir f
    |                                         ^
make[4]: *** [Makefile:165: Build/Standalone] Error 1
make[4]: Leaving directory '/home/yoh/proj/git-annex'
make[3]: *** [Makefile:173: linuxstandalone] Error 2
make[3]: Leaving directory '/home/yoh/proj/git-annex'
make[2]: *** [debian/rules:24: override_dh_auto_build] Error 2
make[2]: Leaving directory '/home/yoh/proj/git-annex'
make[1]: *** [debian/rules:17: build] Error 2
make[1]: Leaving directory '/home/yoh/proj/git-annex'
dpkg-buildpackage: error: debian/rules build subprocess returned exit status 2
make: *** [Makefile:205: dpkg-buildpackage-F] Error 2
make debianstandalone  289.29s user 9.60s system 99% cpu 5:00.49 total


$> git describe
8.20201103-34-gd8e8d145e

```

fixed --Joey