Compiler :
GCC
$ wget https://www.fltk.org/pub/fltk/1.3.7/fltk-1.3.7-source.tar.gz --no-check-certificate
$ tar -xvzf fltk-1.3.7-source.tar.gz
$ vim build-fltk.sh
-----------------------------
-수정 전
cd fltk-1.3.0
-수정 후
cd fltk-1.3.7
-----------------------------
$ cd ..
$ sh install-local.sh