Martijn worked on the clash-lang/clash-compiler repository, focusing on improving build system configuration for Haskell projects. During this period, he addressed a build configuration parsing issue affecting specific GHC versions by standardizing boolean literals in the clash-ffi.cabal file. His targeted bug fix replaced string representations of boolean values with proper True and False literals, ensuring compatibility across different environments. This change enhanced CI reliability and streamlined user builds, reflecting a careful approach to cross-version support. Martijn’s work demonstrated attention to detail in build tooling and configuration management, leveraging his skills in Haskell and build system configuration to resolve nuanced compatibility issues.