- Add ESP Clang download and extraction for cross-compilation
- Support multiple platforms: darwin/amd64, darwin/arm64, linux/amd64, linux/arm64, windows/amd64
- Integrate ESP Clang with target-based configuration system
- Add ClangRoot and ClangBinPath fields to Export struct
- Support .tar.xz extraction for ESP Clang packages
- Prioritize LLGoROOT clang installation over cached downloads
- Update build system to use custom clang for embedded platforms
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
- Add LLVMTarget, CPU, Features, BuildTags fields to Export struct
- Implement UseTarget() function for target name-based configuration loading
- Add UseWithTarget() function combining target and goos/goarch fallback
- Include comprehensive unit tests for target integration
- Support 206+ embedded platform configurations with inheritance
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
