Compilation on Raspberry PI 3 b

[spartrekus]

Hello,

On the PI III b, Raspberry, there is a missing library. I installed

==================
ii g++ 4:6.3.0-4 armhf GNU C++ compiler
ii g++-6 6.3.0-18+rpi1+deb9u1 armhf GNU C++ compiler
ii libboost-filesystem1.61.0:armhf 1.61.0+dfsg-3 armhf filesystem operations (portable paths, iteration over directories, etc) in C++
ii libboost-filesystem1.62.0:armhf 1.62.0+dfsg-4 armhf filesystem operations (portable paths, iteration over directories, etc) in C++
ii libcwidget3v5:armhf 0.5.17-4 armhf high-level terminal interface library for C++ (runtime files)
ii libgc1c2:armhf 1:7.4.2-8 armhf conservative garbage collector for C and C++
ii libpcrecpp0v5:armhf 2:8.39-3 armhf Old Perl 5 Compatible Regular Expression Library - C++ runtime files
ii libsigc++-1.2-5c2 1.2.7-2+b1 armhf type-safe Signal Framework for C++ - runtime
ii libsigc++-2.0-0v5:armhf 2.10.0-1 armhf type-safe Signal Framework for C++ - runtime
ii libstdc++-4.8-dev:armhf 4.8.5-4 armhf GNU Standard C++ Library v3 (development files)
ii libstdc++-6-dev:armhf 6.3.0-18+rpi1+deb9u1 armhf GNU Standard C++ Library v3 (development files)
ii libstdc++6:armhf 6.3.0-18+rpi1+deb9u1 armhf GNU Standard C++ Library v3
ii libtinyxml2.6.2v5:armhf 2.6.2-4 armhf C++ XML parsing library

checking for POSIXized ISC... no
checking for AIX... no
checking for string.h... yes
checking for main in -lgtk... no
checking for main in -lfltk... yes
checking for cout in -lstdc++... no
configure: error: *** Missing library stdc++ ***

Your help for compilation would be greatly helpful.

I am glad to read that you use fltk since it is a light one, compared to gtk.

all the best, kind regards, spartrekus