[fltk.general] incorrect button label text in Fl_Pack

Hi all, I was playing around with dynamic buttons in a Fl_Pack under fltk-1.3. My sample program is below. what's supposed to happen: 1. create 5 buttons with label showing the number as they are creates. 2. when clicked, the user has the option to either add a new button (with the next integer

[fltk.general] fltk3 compile error

Hi all, I get the following error when trying to compile fltk3: $make === making src === Compiling fltk3png/png.c... fltk3png/png.c:14:21: error: pngpriv.h: No such file or directory fltk3png/png.c:17: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘Your_png_