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0.5.3 Release Notes: Critical Bug Fix Release

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@oubiwann oubiwann released this 28 Oct 16:06
· 81 commits to release/0.5.x since this release
0.5.3
489ee0c

Critical Bug Fix Release

This release addresses several critical compiler bugs discovered in 0.5.2 that could cause compilation failures for certain dependency configurations.

Upgrade urgency: HIGH - Users experiencing compilation failures with dependencies should upgrade immediately

Fixed

  • CRITICAL: Fixed dependency erl_opts not being read from rebar.config

    • Dependencies' erl_opts (such as no_auto_import) were not being applied when compiling dependency LFE files
    • This caused compilation failures when dependencies defined functions that conflicted with Erlang BIFs
    • The fix reads each app's own rebar.config directly to get its specific erl_opts and lfe_opts
    • Particularly fixes compilation of libraries like yuri that define get/1 function and require {no_auto_import, [{get,1}]}
    • See commit 4c29467 for details

  • CRITICAL: Fixed compile/4 not using merged compiler options

    • The compiler's compile/4 function was not properly merging compiler options from config
    • Options like debug_info and custom erl_opts were being ignored during compilation
    • Fixed in src/r3lfe_compiler_mod.erl to properly retrieve and merge options from AppInfo
    • See commit a51cc23 for details

  • CRITICAL: Fixed dependency include-lib resolution failing for unloaded apps

    • Dependency header file resolution via include-lib was failing for applications not yet loaded in the VM
    • The scanner now uses code:lib_dir/1 which handles both loaded and unloaded applications
    • Also improved error messages when dependencies cannot be found
    • Fixed in src/r3lfe_dependency_scanner.erl
    • See commit 9d74a63 for details

  • Compiler: Fixed crash on nested LFE compiler error format

    • LFE compiler occasionally returns nested error format: {error, [{error, FileErrors, []}], [], []}
    • The error handler now properly extracts and formats errors from this nested structure
    • Prevents cryptic crashes and provides clear error messages to users
    • Fixed in src/r3lfe_compile_worker.erl
    • See commit 6349f1b for details

Changed

  • Build: Set debug_info as default compiler option
    • All compiled modules now include debug information by default
    • Enables better debugging, analysis, and hot code reloading
    • Can still be disabled via project-specific erl_opts if needed
    • Updated in include/r3lfe.hrl

Internal

  • Added comprehensive debug logging for troubleshooting compilation issues
    • Debug output shows configuration reading, option merging, and compilation steps
    • Helps diagnose issues with dependency compilation
    • Can be enabled via DEBUG=1 or DIAGNOSTIC=1 environment variables

Full Changelog: 0.5.2...0.5.3

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