platformio.ini

; PlatformIO Project Configuration File
;
;   Build options: build flags, source filter
;   Upload options: custom upload port, speed and extra flags
;   Library options: dependencies, extra library storages
;   Advanced options: extra scripting
;
; Please visit documentation for the other options and examples
; https://docs.platformio.org/page/projectconf.html

# standard
[env:teensylc_gcc]
platform = teensy
board = teensylc
framework = arduino
upload_protocol = teensy-cli
; help clangd find standard library headers
build_flags =
  -I$PROJECT_PACKAGES_DIR/toolchain-gccarmnoneeabi/arm-none-eabi/include/c++/9.3.1
  -I$PROJECT_PACKAGES_DIR/toolchain-gccarmnoneeabi/arm-none-eabi/include/c++/9.3.1/arm-none-eabi
  -I$PROJECT_PACKAGES_DIR/toolchain-gccarmnoneeabi/arm-none-eabi/include/c++/9.3.1/backward
  -I$PROJECT_PACKAGES_DIR/toolchain-gccarmnoneeabi/lib/gcc/arm-none-eabi/9.3.1/include
  -I$PROJECT_PACKAGES_DIR/toolchain-gccarmnoneeabi/lib/gcc/arm-none-eabi/9.3.1/include-fixed
  -I$PROJECT_PACKAGES_DIR/toolchain-gccarmnoneeabi/arm-none-eabi/include

# add compiler package, add teensy core with patches, override compiler commands
[env:teensylc_clang]
platform = teensy
board = teensylc
framework = arduino
upload_protocol = teensy-cli
extra_scripts = use_clang.py
; help clangd find standard library headers; dump them e.g. with:
; bin/clang++ -v -x c++ --config armv6m_soft_nofp_nosys -
build_flags =
    -I/home/ez/Downloads/toolchain-clang-linux_x86_64-1.130001.220312/lib/clang/13.0.0/include
    -I/home/ez/Downloads/toolchain-clang-linux_x86_64-1.130001.220312/bin/../lib/clang-runtimes/armv6m_soft_nofp/include/c++/v1
    -I/home/ez/Downloads/toolchain-clang-linux_x86_64-1.130001.220312/bin/../lib/clang-runtimes/armv6m_soft_nofp/include

; point toolchain-clang to where you downloaded the toolchain-clang package
; as linked in README.md
platform_packages = 
    toolchain-clang@file://C:\Users\Max\Downloads\toolchain-clang
    framework-arduinoteensy@https://github.com/maxgerhardt/teensy-core-pio-package.git#clang