fatal error: 'opus/opus.h' file not found

[AliBehrouzinia]

I'm using ndk-build r21 and while running << ndk-build >> in /jni directory i get a error saying :

fatal error: 'opus/opus.h' file not found
#include <opus/opus.h>
^~~~~~~~~~~~~
1 error generated.
make: *** [/home/alibehrooz/Android/Sdk/ndk/21.0.6113669/build/core/build-binary.mk:476: /home/alibehrooz/AndroidStudioProjects/dev-notes/opus/app/src/main/obj/local/arm64-v8a/objs/senz/com_score_rahasak_utils_OpusEncoder.o] Error 1

[MiTang0828]

Hey @AliBehroozi27, did you get this issue resolved. I am getting the same error.