Hi dallim30,

I did not use this "esp_gsl" project to build the GSL lib.

in my case, I used the following repository that contains a copy of the latest stable version of GSL but with a cmake build system:

https://github.com/ampl/gsl


here are some steps that worked for me and my project ...

For other folks trying to do the same, I could solve this by adding the entire library as a Prebuilt Component

For reference follow my Project File Structure:
import_prebuilt_ project
-- components
----- gsl
-------- include
----------- <all .h files generated by default GSL build >
-------- lib ...

Hello everyone,

Has anyone tried to compiling/use the C/C++ GNU Scientific Library (GSL) as an external library or component in an ESP-IDF project?

Link GNU Scientific Library (GSL): https://www.gnu.org/software/gsl/