Consolidate conf-compile steps for skarnet.org pkgs.

pkgs/os-specific/linux/s6-linux-utils/default.nix

@@ -1,4 +1,8 @@
-{ stdenv, fetchurl, skalibs }:
+{ stdenv
+, fetchurl
+, skalibs
+, skarnetConfCompile
+}:
 
 let
 
@@ -13,36 +17,10 @@ in stdenv.mkDerivation rec {
     sha256 = "1s17g03z5hfpiz32g001g5wyamyvn9l36fr2csk3k7r0jkqfnl0d";
   };
 
-  buildInputs = [ skalibs ];
+  buildInputs = [ skalibs skarnetConfCompile ];
 
   sourceRoot = "admin/${name}";
 
-  configurePhase = ''
-    pushd conf-compile
-
-    printf "$out/bin"           > conf-install-command
-    printf "$out/include"       > conf-install-include
-    printf "$out/lib"           > conf-install-library
-    printf "$out/lib"           > conf-install-library.so
-
-    # let nix builder strip things, cross-platform
-    truncate --size 0 conf-stripbins
-    truncate --size 0 conf-striplibs
-
-    printf "${skalibs}/sysdeps"      > import
-    printf "%s" "${skalibs}/include" > path-include
-    printf "%s" "${skalibs}/lib"     > path-library
-
-    rm -f flag-slashpackage
-    touch flag-allstatic
-
-    popd
-  '';
-
-  preBuild = ''
-    patchShebangs src/sys
-  '';
-
   meta = {
     homepage = http://www.skarnet.org/software/s6-linux-utils/;
     description = "A set of minimalistic Linux-specific system utilities";