platformio 4.0.0

[ivankravets]

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Migration Guide from 3.0 to 4.0.

• PlatformIO Plus Goes Open Source

  • Built-in PIO Unified Debugger
  • Built-in PIO Unit Testing

• Project Configuration

  • New project configuration parser with a strict options typing (API)
  • Unified workspace storage (workspace_dir -> .pio) for PlatformIO Build System, Library Manager, and other internal services (issue #1778)
  • Share common (global) options between project environments using [env] section (issue #1643)
  • Include external configuration files with extra_configs option (issue #1590)
  • Custom project ***_dir options declared in platformio section have higher priority than Environment variables
  • Added support for Unix shell-style wildcards for monitor_port option (issue #2541)
  • Added new monitor_flags option which allows passing extra flags and options to platformio device monitor command (issue #2165)
  • Added support for PLATFORMIO_DEFAULT_ENVS system environment variable (issue #1967)
  • Added support for shared_dir where you can place an extra files (extra scripts, LD scripts, etc.) which should be transferred to a PIO Remote machine

• Library Management

  • Switched to workspace .pio/libdeps folder for project dependencies instead of .piolibdeps
  • Save libraries passed to platformio lib install command into the project dependency list (lib_deps) with a new --save flag (issue #1028)
  • Install all project dependencies declared via lib_deps option using a simple platformio lib install command (issue #2147)
  • Use isolated library dependency storage per project build environment (issue #1696)
  • Look firstly in built-in library storages for a missing dependency instead of PlatformIO Registry (issue #1654)
  • Override default source and include directories for a library via library.json manifest using includeDir and srcDir fields
  • Fixed an issue when library keeps reinstalling for non-latin path (issue #1252)
  • Fixed an issue when lib_compat_mode = strict does not ignore libraries incompatible with a project framework

• Build System

  • Switched to workspace .pio/build folder for build artifacts instead of .pioenvs
  • Switch between Build Configurations (release and debug) with a new project configuration option build_type
  • Custom platform_packages per a build environment with an option to override default (issue #1367)
  • Print platform package details, such as version, VSC source and commit (issue #2155)
  • Control a number of parallel build jobs with a new -j, --jobs option
  • Override default "platformio.ini" (Project Configuration File) with a custom using -c, --project-conf option for platformio run, platformio debug, or platformio test commands (issue #1913)
  • Override default development platform upload command with a custom upload_command (issue #2599)
  • Configure a shared folder for the derived files (objects, firmwares, ELFs) from a build system using build_cache_dir option (issue #2674)
  • Fixed an issue when -U in build_flags does not remove macro previously defined via -D flag (issue #2508)

• Infrastructure

  • Python 3 support (issue #895)
  • Significantly speedup back-end for PIO Home. It works super fast now!
  • Added support for the latest Python "Click" package (CLI) (issue #349)
  • Added options to override default locations used by PlatformIO Core (core_dir, globallib_dir, platforms_dir, packages_dir, cache_dir) (issue #1615)
  • Removed line-buffering from platformio run command which was leading to omitting progress bar from upload tools (issue #856)
  • Fixed numerous issues related to "UnicodeDecodeError" and international locales, or when project path contains non-ASCII chars (issue #143, issue #1342, issue #1959, issue #2100)

• Integration

  • Support custom CMake configuration for CLion IDE using CMakeListsUser.txt file
  • Fixed an issue with hardcoded C standard version when generating project for CLion IDE (issue #2527)
  • Fixed an issue with Project Generator when an include path search order is inconsistent to what passed to the compiler (issue #2509)
  • Fixed an issue when generating invalid "Eclipse CDT Cross GCC Built-in Compiler Settings" if a custom PLATFORMIO_CORE_DIR is used (issue #806)

• Miscellaneous

  • Deprecated --only-check PlatformIO Core CLI option for "update" sub-commands, please use --dry-run instead
  • Fixed "systemd-udevd" warnings in 99-platformio-udev.rules (issue #2442)
  • Fixed an issue when package cache (Library Manager) expires too fast (issue #2559)

[fxcoudert]

Thanks @ivankravets