Re: [fltk.coredev] RFC: Removal of FL_CFG_* macros and config_lib.h - Forums

I think the question is whether a program can do anything useful with those return values.

The only use I can see is for a "glxinfo" type program to print out how fltk has been compiled.

If this is useful I would prefer it to be much more obvious that these are compile-time constants. Ideally there is a structure defined, and a single extern instance. This is compiled with a static assignment to a value that is controlled by #if statements.

On Fri, Feb 19, 2021 at 12:01 AM Manolo <manolo.gouy@gmail.com> wrote:

I have just verified that the same object file, hello.o, output by command
g++ -I/path/to/source/FLTK/tree -c hello.cxx
can be linked to the dynamic libfltk libraries built with
OPTION_APPLE_X11 set either off or on.
That provides a scenario where an app could test the values of Fl::cfg_gfx_quartz
or Fl::cfg_gfx_xlib.

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