(specifications->manifest
 '("clang-toolchain"
   "make"
   "pkg-config"
   "glfw"
   "mesa"
   "glu"
   "font-dejavu"
   "libx11"
   "libxrandr"
   "libxinerama"
   "libxcursor"
   "libxi"
   "libxxf86vm"
   "glibc"
   "coreutils"
   "grep"
   "sed"
   "gawk"
   "bash"))