TERMUX INSTALL MATPLOTLIB error: ft2build.h / fthread.h

error: can not find ft2build.h

ft2build.h in the below directory: /data/data/com.termux/files/usr/include/freetype2

solution:

Reference:

https://www.reddit.com/r/termux/comments/bhiinx/problem_installing_matplotlib/

https://github.com/matplotlib/matplotlib/issues/3029/