Stack构建Haskell项目时链接器报错，无法构建hint包求助

Hey there! Let's work through this linker error with the hint package together—since you're new to Stack and Haskell, I'll break down the most common fixes step by step:

• Install system-level build dependencies
  The hint package interacts closely with GHC's internals, so it needs some system libraries and build tools that might not be installed by default:

  • On Debian/Ubuntu-based systems: Run sudo apt-get install build-essential ghc libghc-ghc-dev
  • On Fedora/RHEL: Run sudo dnf install gcc make ghc-devel
  • On Windows: Make sure you installed the MSYS2 toolchain when setting up Stack (if not, re-run the Stack installer and check that option). You can also try running your build from the Stack-provided MSYS2 terminal (run stack exec -- bash then stack build inside that shell).

• Clean Stack's cache and rebuild
  Corrupted build artifacts in Stack's cache can cause weird linker errors. Try these commands in order:

  1. stack clean – Cleans build files for your project
  2. stack build --force-dirty – Forces a full rebuild even if Stack thinks files are up to date
     If that doesn't work, you can try stack purge (warning: this clears all of Stack's cached packages, so it will take longer to rebuild next time) followed by stack build.

• Check your Stack resolver version
  Some older resolvers might have compatibility issues with the hint package. Try updating your resolver to a recent LTS (Long Term Support) version:

  1. Open your stack.yaml file
  2. Change the resolver line to something like resolver: lts-21.25 (feel free to use the latest LTS version available)
  3. Run stack update to fetch the latest package indices, then stack build again

• Get more detailed error logs
  The generic "gcc failed in Linker phase" message doesn't tell us the real issue. Run stack build --verbose and look for the actual linker error lines (they'll be near the end of the log). You might see something like "undefined reference to X" or "cannot find library Y"—this will point you to exactly which dependency is missing.

• Verify your GCC installation
  Make sure GCC is properly installed and available in your system PATH. Run gcc --version in your terminal—if it returns a version number, it's good. If not, you'll need to install GCC first (using your system's package manager or the Stack MSYS2 toolchain on Windows).

内容的提问来源于stack exchange，提问作者Zazaeil