anchor.diff:  , lm-sensors
   , wayland
   , xorg
  +, zlib
   
   , grsecEnabled
   # Texture floats are patented, see docs/patents.txt
  
positive.code:     "--sysconfdir=/etc"
      "--localstatedir=/var"
      "--enable-largefile"
      "--disable-pwr8-inst"  # power
      # slight performance degradation, enable only for grsec
      "--${boolEn grsecEnabled}-glx-rts"
      "--disable-debug"
      "--disable-profile"
      "--${boolEn (libglvnd != null)}-libglvnd"
      "--disable-mangling"
      "--${boolEn enableTextureFloats}-texture-float"
      "--enable-asm"
      # TODO: selinux support
  
negative.code:     "--enable-driglx-direct"
      "--enable-glx-tls"
      "--disable-glx-read-only-text"
      "--enable-llvm"
      "--disable-valgrind"
  
      #gl-lib-name=GL
      #osmesa-libname=OSMesa
      "--with-gallium-drivers=svga,i915,nouveau,r300,r600,radeonsi,freedreno,swrast,swr,virgl"
      "--with-dri-driverdir=$(drivers)/lib/dri"
      "--with-dri-searchpath=${driverSearchPath}/lib/dri"
      "--with-dri-drivers=i915,i965,nouveau,radeon,r200,swrast"
  