The binpaths patch is no longer necessary. The HOMEPAGE should probably be changed to http://www.nongnu.org/crack-attack/ Works for me without "append-flags -DGL_GLEXT_LEGACY" with nvidia-7174 and xorg-x11-6.8.2-r1.
Created attachment 58965 [details, diff] Ebuild patch for crack-attack-1.1.14 Patch reflecting the recommended changes. The exclusion of -DGL_GLEXT_LEGACY is completely up to the games herd, of course.
thanks, now in portage