The following options are supported:

--api-version

Displays the current FLTK API version number, e.g. "1.1".

--cc

--cxx

Displays the C/C++ compiler that was used to compile FLTK.

--cflags

--cxxflags

Displays the C/C++ compiler options to use when compiling source files that use FLTK.

--compile program.cxx

Compiles the source file program.cxx into program. This option implies "--post program".

-g

Enables debugging information when compiling with the --compile option.

--ldflags

Displays the linker options to use when linking a FLTK application.

--ldstaticflags

Displays the linker options to use when linking a FLTK application to the static FLTK libraries.

--libs

Displays the full path to the FLTK library files, to be used for dependency checking.

--post program

Binds the default FLTK resource fork to a program under MacOS. Does nothing on other operating systems.

--use-gl

Enables OpenGL support.

--use-glut

Enables GLUT support.

--use-images

Enables image file support.

--version

Displays the current FLTK version number, e.g. "1.1.0".