BUILD_FLAGS.md

Custom Build Flags

the DDL framework supports adding custom build flags to the build process, allowing for fine-tuning of the build process.

available options are:

• board_build.flags.common: added to all build commands
• board_build.flags.c: added to C build commands only
• board_build.flags.cpp: added to C++ build commands only
• board_build.flags.asm: added to assembly build commands only
• board_build.flags.link: added to linker commands only

Tip

build flags are added after the default flags, so you can override them if needed.

Important

only set extra build flags if you know what you're doing. incorrect build flags can cause the build to fail, or the firmware to behave incorrectly.

Setting Custom Build Flags

platformio.ini:

[env:myenv]
# ...
board_build.flags.cpp =
	-fno-threadsafe-statics
	-fno-exceptions