ESP32 Forum

Posted: **Tue Sep 17, 2019 3:18 pm**

Hi,

I'm facing issue with Eclipse indexer. I have migrated to IDF v3.3 LTS not so long ago and not sure what is going wrong.

My setup:

Windows 10 Home
Eclipse 2018-09 (4.9.0)
IDF v.3.3 LTS
Toolchain (crosstool-NG crosstool-ng-1.22.0-80-g6c4433a5) 5.2.0

As testing project I'm using spiffs
https://github.com/espressif/esp-idf/tr ... age/spiffs

I'm doing everything as described here:
https://docs.espressif.com/projects/esp ... up-eclipse

Project compiles in both Eclipse and toolchain console. But after compilation is done, Eclipse have many (depends on project) errors
"Symbol XXX could not be resolved"

: Main error; ecl_1.jpg (138.9 KiB) Viewed 10839 times

My pathes:
Toolchain location:
C:\Projects\ESP32\TOOLS\msys32

IDF location:
C:\Projects\ESP32\TOOLS\esp-idf

Project location:
C:\Projects\ESP32\Projects\base2\spiffs

Detailed Eclipse configuration:

C/C++ Build

: C/C++ Build; ecl_2.jpg (60.77 KiB) Viewed 10839 times

C/C++ Build - Enviroment

: C/C++ Build - Enviroment; ecl_3.jpg (55.21 KiB) Viewed 10839 times

[continued in next post]

Posted: **Tue Sep 17, 2019 3:24 pm**

[continued]

Preprocessor Include Path - Compiler settings

: Preprocessor Include Path - Compiler settings; ecl_4.jpg (91.22 KiB) Viewed 10836 times

Preprocessor Include Path - Parcer

: Preprocessor Include Path - Parcer; ecl_5.jpg (104.69 KiB) Viewed 10836 times

And here is how looks my Preprocessor Include Path - Settings Entries:

: Preprocessor Include Path - Settings Entries; ecl_6.jpg (141.48 KiB) Viewed 10836 times

Posted: **Tue Sep 17, 2019 3:25 pm**

And Indexer settings:

: Indexer; ecl_7.jpg (111 KiB) Viewed 10826 times

Also attaching eclipse settings ( .cproject, .project files and folder .settings)

eclipse_settings.zip: (3.16 KiB) Downloaded 615 times

Please advice what is wrong...

I have tried to make whole Clean-Build path with different Indexer settings:

: Diffrerent attempts with Indexer settings; ecl_8.jpg (78.12 KiB) Viewed 10822 times

and making in each settings Project -> C/C++ Index -> Rebuild , but still no affect in any configuration.

Posted: **Tue Sep 17, 2019 6:53 pm**

Interesting thing I noticed...

When I have disabled parallel build everything get as it should! All elements was found and resolved...

So it comes that on Windows(maybe on other systems aswell?) indexer cant properly resolve all if build runs on multiple threads.

So, here is solution that helped me to resolve issue

My Indexer settings:

: ecl_9.jpg (105.78 KiB) Viewed 10811 times

Now clean project (can be done with enabled parallel build).
Disable parallel build.
Build project againg.
Open some files with "unresolved" issue and it should update on the fly, maybe take 1-3 seconds.
Now all "unresolved" issues should gone.

And then can build project with enabled parallel build.

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