Re: [fltk.general] Re: can I change the default attributes so I can set"global attributes" - Forums

FL_NORMAL_SIZE = 11;
‘FL_NORMAL_SIZE’ does not name a type

This is the sort of error to expect when the C++ compiler doesn't know what the definition is.

The appropriate include file has to be used before you reference the variable.

In this case, FL_NORMAL_SIZE is defined in Enumerations.H. That header is normally already included as part of

other FLTK headers. I can only guess you're trying to access that variable without a bunch of header files.

When in doubt, use Fl.H:

#include <FL/Fl.H>

int main(int argc, ...)

{

FL_NORMAL_SIZE = 11;

}

Fl_Fontsize FL_NORMAL_SIZE = 11;
/usr/lib/x86_64-linux-gnu/libfltk.a(Fl_Widget.o):(.data+0x0): multiple definition of `FL_NORMAL_SIZE'; /tmp/ccdB
GgUp.o:(.data+0x0): first defined here

Here you've defined a conflicting copy of FL_NORMAL_SIZE. This might have worked if you had used this instead:

extern Fl_Fontsize FL_NORMAL_SIZE = 11;

The "extern" part tells the compiler/linker to look for the definition elsewhere, i.e. in the FLTK library, not in your code.