check_c_source_compiles("
#include <X11/Xlib.h>
#include <X11/extensions/xf86misc.h>
int main(int argc, char *argv[])
{
	Display *disp = XOpenDisplay(NULL);
	int dummy, rv;
	rv = XF86MiscQueryExtension(disp, &dummy, &dummy);
	XCloseDisplay(disp);
	return (rv != 0);
}
" HAVE_XF86MISC)