Detailed Description

Unity-build aggregate for SD-card support.

Pulled in only by src/fl/build/fl.system.sd+.cpp — never by the parent src/fl/system/_build.cpp.hpp. That separation is what lets the linker tree-shake the entire SD chain (libSD.a, libFS.a, Arduino's VFSImpl, ~16 KB on ESP32-S3) when the user never calls FileSystem::beginSd(). See FastLED #2773 item 1.2.

Definition in file _build.cpp.hpp.

#include "fl/system/sd/file_system_sd.cpp.hpp"

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