I cannot fix this error. build.sh is trying to create a shared library but it fails:
~/Desktop/deepseek$ ./build.sh Building Haskell shared library... Loaded package environment from /home/success/.ghc/x86_64-linux-9.6.7/environments/default [2 of 2] Linking libminimal.so [Flags changed] Build successful! Running Python test... ---------------------------------------- Traceback (most recent call last): File "/home/success/Desktop/deepseek/test_minimal.py", line 5, in <module> lib = ctypes.CDLL('./libminimal.so') ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/usr/lib/python3.12/ctypes/__init__.py", line 379, in __init__ self._handle = _dlopen(self._name, mode) ^^^^^^^^^^^^^^^^^^^^^^^^^ OSError: /home/success/.ghcup/ghc/9.6.7/lib/ghc-9.6.7/lib/../lib/x86_64-linux-ghc-9.6.7/libHSghc-prim-0.10.0-ghc9.6.7.so: undefined symbol: stg_gc_unpt_r1 build.sh
#!/bin/bash echo "Building Haskell shared library..." # Compile Haskell to shared library ghc -O2 -dynamic -shared -fPIC -o libminimal.so Minimal.hs if [ $? -eq 0 ]; then echo "Build successful! Running Python test..." echo "----------------------------------------" python3 test_minimal.py else echo "Build failed!" exit 1 fi Minimal.hs
{-# LANGUAGE ForeignFunctionInterface #-} module Minimal where import Foreign.C.Types import Foreign.Ptr -- Simple function that receives a Python module and prints confirmation foreign export ccall receivePythonModule :: Ptr () -> IO () receivePythonModule :: Ptr () -> IO () receivePythonModule modulePtr = do putStrLn "Haskell: Received Python module!" putStrLn "Haskell: This is where you'd process the module..." test_minimal.py
#!/usr/bin/env python3 import ctypes, sys, types # Load the shared library lib = ctypes.CDLL('./libminimal.so') # Define the function signature lib.receivePythonModule.argtypes = [ctypes.c_void_p] lib.receivePythonModule.restype = None def pass_module_to_haskell(): # Create a simple Python module test_module = types.ModuleType('test_module') test_module.some_value = 42 test_module.some_function = lambda x: x * 2 module_ptr = ctypes.c_void_p(id(test_module)) lib.receivePythonModule(module_ptr) if __name__ == "__main__": pass_module_to_haskell() 
