Resolving dependencies...
Configuring java-adt-1.0.20251105...
Preprocessing executable 'java-adt' for java-adt-1.0.20251105..
Building executable 'java-adt' for java-adt-1.0.20251105..
[1 of 9] Compiling Paths_java_adt   ( dist/build/java-adt/autogen/Paths_java_adt.hs, dist/build/java-adt/java-adt-tmp/Paths_java_adt.o )
[2 of 9] Compiling String1          ( src/String1.hs, dist/build/java-adt/java-adt-tmp/String1.o )
[3 of 9] Compiling Lexer            ( dist/build/java-adt/java-adt-tmp/Lexer.hs, dist/build/java-adt/java-adt-tmp/Lexer.o )

dist/build/java-adt/java-adt-tmp/Lexer.hs:771:25: error: [GHC-87543]
    Ambiguous occurrence fromString.
    It could refer to
       either String1.fromString,
              imported from String1 at src/Lexer.x:3:26-35
              (and originally defined at src/String1.hs:17:1-10),
           or GHC.Exts.fromString,
              imported from GHC.Exts at dist/build/java-adt/java-adt-tmp/Lexer.hs:20:1-15
              (and originally defined in Data.String).
    |
771 | alex_action_21 = TkId . fromString
    |                         ^^^^^^^^^^
[4 of 9] Compiling Syntax           ( src/Syntax.hs, dist/build/java-adt/java-adt-tmp/Syntax.o )
[6 of 9] Compiling Version          ( src/Version.hs, dist/build/java-adt/java-adt-tmp/Version.o )
[7 of 9] Compiling Options          ( src/Options.hs, dist/build/java-adt/java-adt-tmp/Options.o )
[8 of 9] Compiling Printer          ( src/Printer.hs, dist/build/java-adt/java-adt-tmp/Printer.o )
Failed to install java-adt-1.0.20251105
Error: cabal: Some packages failed to install:
java-adt-1.0.20251105-BtYXg3Gn85r6LFkanN1zXl failed during the building phase.
The exception was:
ExitFailure 1