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FS.h header file preventing compilation #74

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FS.h header file preventing compilation#74
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Status: Awaiting triage
@the-programmer

Description

@the-programmer
the-programmer
opened on Feb 12, 2025

Platform

ESP32

IDE / Tooling

pioarduino

What happened?

When compiling a project based on ESPAsyncWebServer I keep on encountering the "dreaded" FS.h issue.

Originally I started with the "default" PlatformIO installation. However as suggested here, this might cause issues.
So, (while still using PlatformIO) I updated the platform variable to the following

platform = https://github.com/pioarduino/platform-espressif32/releases/download/53.03.11/platform-espressif32.zip

However this didn't improve anything.

So, I swapped the PlatformIO extension for pioarduino extension and tried again. However this resulted in the same issue.

Stack Trace

Build log

 *  The terminal process "C:\Users\[Username]\.platformio\penv\Scripts\platformio.exe 'run'" terminated with exit code: 1. 
 *  Terminal will be reused by tasks, press any key to close it. 

 *  Executing task: C:\Users\[Username]\.platformio\penv\Scripts\platformio.exe run 

Processing esp32dev (platform: https://github.com/pioarduino/platform-espressif32/releases/download/53.03.11/platform-espressif32.zip; board: esp32dev; framework: arduino)
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Verbose mode can be enabled via `-v, --verbose` option
CONFIGURATION: https://docs.platformio.org/page/boards/espressif32/esp32dev.html
PLATFORM: Espressif 32 (53.3.11) > Espressif ESP32 Dev Module
HARDWARE: ESP32 240MHz, 320KB RAM, 4MB Flash
DEBUG: Current (esp-prog) External (cmsis-dap, esp-bridge, esp-prog, iot-bus-jtag, jlink, minimodule, olimex-arm-usb-ocd, olimex-arm-usb-ocd-h, olimex-arm-usb-tiny-h, olimex-jtag-tiny, tumpa)
PACKAGES:
 - framework-arduinoespressif32 @ 3.1.1
 - framework-arduinoespressif32-libs @ 5.3.0+sha.cfea4f7c98
 - tool-esptoolpy @ 4.8.5
 - tool-mklittlefs @ 3.2.0
 - tool-openocd-esp32 @ 2.1100.20220706 (11.0)
 - tool-riscv32-esp-elf-gdb @ 14.2.0+20240403
 - tool-xtensa-esp-elf-gdb @ 14.2.0+20240403
 - toolchain-xtensa-esp-elf @ 13.2.0+20240530
LDF: Library Dependency Finder -> https://bit.ly/configure-pio-ldf
LDF Modes: Finder ~ chain, Compatibility ~ strict
Found 45 compatible libraries
Scanning dependencies...
Dependency Graph
|-- ESPAsyncWebServer @ 3.7.0
|-- AsyncTCP @ 3.3.5
|-- ArduinoJson @ 7.3.0
|-- espMqttClient @ 1.7.0
|-- Ethernet @ 3.1.1
|-- WiFi @ 3.1.1
|-- Wire @ 3.1.1
Building in release mode
[Other stuff]
Compiling .pio\build\esp32dev\libe77\Network\NetworkClient.cpp.o
Compiling .pio\build\esp32dev\libe77\Network\NetworkEvents.cpp.o
Compiling .pio\build\esp32dev\libe77\Network\NetworkInterface.cpp.o
Compiling .pio\build\esp32dev\libe77\Network\NetworkManager.cpp.o
Compiling .pio\build\esp32dev\libe77\Network\NetworkServer.cpp.o
Compiling .pio\build\esp32dev\libe77\Network\NetworkUdp.cpp.o
Compiling .pio\build\esp32dev\libf9c\AsyncTCP\AsyncTCP.cpp.o
Compiling .pio\build\esp32dev\lib5ed\WiFi\AP.cpp.o
Archiving .pio\build\esp32dev\libe77\libNetwork.a
Compiling .pio\build\esp32dev\lib5ed\WiFi\STA.cpp.o
Compiling .pio\build\esp32dev\lib5ed\WiFi\WiFi.cpp.o
Compiling .pio\build\esp32dev\lib5ed\WiFi\WiFiAP.cpp.o
Compiling .pio\build\esp32dev\lib5ed\WiFi\WiFiGeneric.cpp.o
Compiling .pio\build\esp32dev\lib5ed\WiFi\WiFiMulti.cpp.o
Compiling .pio\build\esp32dev\lib5ed\WiFi\WiFiSTA.cpp.o
Archiving .pio\build\esp32dev\libf9c\libAsyncTCP.a
Compiling .pio\build\esp32dev\lib5ed\WiFi\WiFiScan.cpp.o
Compiling .pio\build\esp32dev\lib409\ESPAsyncWebServer\AsyncEventSource.cpp.o
Compiling .pio\build\esp32dev\lib409\ESPAsyncWebServer\AsyncJson.cpp.o
Compiling .pio\build\esp32dev\lib409\ESPAsyncWebServer\AsyncMessagePack.cpp.o
Compiling .pio\build\esp32dev\lib409\ESPAsyncWebServer\AsyncWebHeader.cpp.o
Compiling .pio\build\esp32dev\lib409\ESPAsyncWebServer\AsyncWebSocket.cpp.o
Compiling .pio\build\esp32dev\lib409\ESPAsyncWebServer\BackPort_SHA1Builder.cpp.o
Compiling .pio\build\esp32dev\lib409\ESPAsyncWebServer\ChunkPrint.cpp.o
Compiling .pio\build\esp32dev\lib409\ESPAsyncWebServer\Middleware.cpp.o
In file included from .pio/libdeps/esp32dev/ESPAsyncWebServer/src/AsyncEventSource.h:33,
                 from .pio/libdeps/esp32dev/ESPAsyncWebServer/src/AsyncEventSource.cpp:8:
.pio/libdeps/esp32dev/ESPAsyncWebServer/src/ESPAsyncWebServer.h:9:10: fatal error: FS.h: No such file or directory

************************************************************
* Looking for FS.h dependency? Check our library registry!
*
* CLI  > platformio lib search "header:FS.h"
* Web  > https://registry.platformio.org/search?q=header:FS.h
*
************************************************************

    9 | #include "FS.h"
      |          ^~~~~~
compilation terminated.
Archiving .pio\build\esp32dev\lib5ed\libWiFi.a
*** [.pio\build\esp32dev\lib409\ESPAsyncWebServer\AsyncEventSource.cpp.o] Error 1
In file included from .pio/libdeps/esp32dev/ESPAsyncWebServer/src/AsyncWebHeader.cpp:4:
.pio/libdeps/esp32dev/ESPAsyncWebServer/src/ESPAsyncWebServer.h:9:10: fatal error: FS.h: No such file or directory

************************************************************
* Looking for FS.h dependency? Check our library registry!
*
* CLI  > platformio lib search "header:FS.h"
* Web  > https://registry.platformio.org/search?q=header:FS.h
*
************************************************************

    9 | #include "FS.h"
      |          ^~~~~~
compilation terminated.
*** [.pio\build\esp32dev\lib409\ESPAsyncWebServer\AsyncWebHeader.cpp.o] Error 1
In file included from .pio/libdeps/esp32dev/ESPAsyncWebServer/src/AsyncWebSocket.h:26,
                 from .pio/libdeps/esp32dev/ESPAsyncWebServer/src/AsyncWebSocket.cpp:4:
.pio/libdeps/esp32dev/ESPAsyncWebServer/src/ESPAsyncWebServer.h:9:10: fatal error: FS.h: No such file or directory

************************************************************
* Looking for FS.h dependency? Check our library registry!
*
* CLI  > platformio lib search "header:FS.h"
* Web  > https://registry.platformio.org/search?q=header:FS.h
*
************************************************************

    9 | #include "FS.h"
      |          ^~~~~~
compilation terminated.
*** [.pio\build\esp32dev\lib409\ESPAsyncWebServer\AsyncWebSocket.cpp.o] Error 1
In file included from .pio/libdeps/esp32dev/ESPAsyncWebServer/src/AsyncJson.h:17,
                 from .pio/libdeps/esp32dev/ESPAsyncWebServer/src/AsyncJson.cpp:4:
.pio/libdeps/esp32dev/ESPAsyncWebServer/src/ESPAsyncWebServer.h:9:10: fatal error: FS.h: No such file or directory

************************************************************
* Looking for FS.h dependency? Check our library registry!
*
* CLI  > platformio lib search "header:FS.h"
* Web  > https://registry.platformio.org/search?q=header:FS.h
*
************************************************************

    9 | #include "FS.h"
      |          ^~~~~~
compilation terminated.
*** [.pio\build\esp32dev\lib409\ESPAsyncWebServer\AsyncJson.cpp.o] Error 1
In file included from .pio/libdeps/esp32dev/ESPAsyncWebServer/src/AsyncMessagePack.h:37,
                 from .pio/libdeps/esp32dev/ESPAsyncWebServer/src/AsyncMessagePack.cpp:4:
.pio/libdeps/esp32dev/ESPAsyncWebServer/src/ESPAsyncWebServer.h:9:10: fatal error: FS.h: No such file or directory

************************************************************
* Looking for FS.h dependency? Check our library registry!
*
* CLI  > platformio lib search "header:FS.h"
* Web  > https://registry.platformio.org/search?q=header:FS.h
*
************************************************************

    9 | #include "FS.h"
      |          ^~~~~~
compilation terminated.
*** [.pio\build\esp32dev\lib409\ESPAsyncWebServer\AsyncMessagePack.cpp.o] Error 1
In file included from .pio/libdeps/esp32dev/ESPAsyncWebServer/src/Middleware.cpp:5:
.pio/libdeps/esp32dev/ESPAsyncWebServer/src/ESPAsyncWebServer.h:9:10: fatal error: FS.h: No such file or directory

************************************************************
* Looking for FS.h dependency? Check our library registry!
*
* CLI  > platformio lib search "header:FS.h"
* Web  > https://registry.platformio.org/search?q=header:FS.h
*
************************************************************

    9 | #include "FS.h"
      |          ^~~~~~
compilation terminated.
*** [.pio\build\esp32dev\lib409\ESPAsyncWebServer\Middleware.cpp.o] Error 1
========================================================================================== [FAILED] Took 32.07 seconds ==========================================================================================

 *  The terminal process "C:\Users\[Username]\.platformio\penv\Scripts\platformio.exe 'run'" terminated with exit code: 1. 
 *  Terminal will be reused by tasks, press any key to close it.

platformio.ini

[env:esp32dev]
platform = https://github.com/pioarduino/platform-espressif32/releases/download/53.03.11/platform-espressif32.zip
board = esp32dev
framework = arduino
board_build.mcu = esp32
board_build.f_cpu = 240000000L
platform_packages =
	platformio/tool-openocd-esp32
board_debug.openocd_board = esp32.cfg
debug_tool = esp-prog
debug_speed = 20000
upload_protocol = esptool
monitor_speed = 256000
upload_speed = 921600
lib_compat_mode = strict
lib_ldf_mode = chain
lib_deps =
    esp32async/ESPAsyncWebServer@^3.6.2
    esp32async/AsyncTCP@^3.3.3
    bblanchon/ArduinoJson@^7.3.0
    bertmelis/espMqttClient@=1.7.0
    #fastled/FastLED@=3.9.13
build_flags = 
	-DCORE_DEBUG_LEVEL=ARDUHAL_LOG_LEVEL_VERBOSE
	-DDEBUG_ESP_DNS=1
    -DDEBUG_ESP_MQTT_CLIENT
    -DEMC_USE_WATCHDOG
    -std=c++17
    -std=gnu++17
	;-DCORE_DEBUG_LEVEL=ARDUHAL_LOG_LEVEL_DEBUG
	;-DCORE_DEBUG_LEVEL=ARDUHAL_LOG_LEVEL_INFO
build_unflags =
  -std=gnu++11

Minimal Reproductible Example (MRE)

Even tough I am not actively using ESPAsyncWebServer, adding the line esp32async/ESPAsyncWebServer@^3.6.2 to the lib_deps section seems to trigger this issue.

I confirm that:

  • I have read the documentation.
  • I have searched for similar discussions.
  • I have searched for similar issues.
  • I have looked at the examples.
  • I have upgraded to the lasted version of ESPAsyncWebServer (and AsyncTCP for ESP32).

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