Install libfm-gtk-dev by entering the following commands in the terminal:
sudo apt update sudo apt install libfm-gtk-dev
Description:
file management support (GTK+ GUI development files)
LibFM provides file management functions built on top of Glib/GIO, giving a convenient higher-level API. . This package contains the development files for builds using GTK+ library.
Homepage: http://pcmanfm.sourceforge.net/
Version: 1.2.5-1ubuntu1
Section: universe/libdevel