Other requirement to run './instantbird'
GLib2 2.18.4 ( a version including 'libgio*' ).
Example link
http://www.icewalkers.com/Linux/Soft...980/GLib2.html
> > glib-2.18.4.tar.gz
# yum install gettext-devel
# mkdir /usr/local/glib218
exit
tar xvf glib-2.18.4.tar.gz
cd glib-2.18.4/
./configure --prefix=/usr/local/glib218/
( installing to a system path may trash "500" app's ).
make
# make install
exit
cd instantbird/
export LD_LIBRARY_PATH=/usr/local/glib218/lib
( or add : export LD_LIBRARY_PATH=/usr/local/glib218/lib
to instantbird/instantbird , line 54 ).
... and run ./instantbird
.....