What is go-gtk missing?

Question

GTK+

go get github.com/mattn/go-gtk/gtk

# pkg-config --cflags glib-2.0 gobject-2.0
Package glib-2.0 was not found in the pkg-config search path.
Perhaps you should add the directory containing `glib-2.0.pc'
to the PKG_CONFIG_PATH environment variable
No package 'glib-2.0' found
Package gobject-2.0 was not found in the pkg-config search path.
Perhaps you should add the directory containing `gobject-2.0.pc'
to the PKG_CONFIG_PATH environment variable
No package 'gobject-2.0' found
pkg-config: exit status 1
# pkg-config --cflags pango
Package pango was not found in the pkg-config search path.
Perhaps you should add the directory containing `pango.pc'
to the PKG_CONFIG_PATH environment variable
No package 'pango' found
pkg-config: exit status 1

I understand that the package lacks other packages :D
Thanks in advance
UPD
Aftersudo apt-get install libglib2.0-dev

go get github.com/mattn/go-gtk/gtk
# pkg-config --cflags gdk-pixbuf-2.0
Package gdk-pixbuf-2.0 was not found in the pkg-config search path.
Perhaps you should add the directory containing `gdk-pixbuf-2.0.pc'
to the PKG_CONFIG_PATH environment variable
No package 'gdk-pixbuf-2.0' found
pkg-config: exit status 1
# pkg-config --cflags pango
Package pango was not found in the pkg-config search path.
Perhaps you should add the directory containing `pango.pc'
to the PKG_CONFIG_PATH environment variable
No package 'pango' found
pkg-config: exit status 1

Answer 1

Solution
apt-get install libglib2.0-dev
apt-get install libgtk2.0-dev