preferLocalBuild: set to true for wrappers and fetchers

pkgs/applications/misc/zathura/default.nix

@@ -33,6 +33,8 @@ rec {
 
     builder = ./builder.sh;
 
+    preferLocalBuild = true;
+
     meta = {
       homepage = http://pwmt.org/projects/zathura/;
       description = "A highly customizable and functional PDF viewer";

pkgs/applications/networking/browsers/firefox/wrapper.nix

@@ -40,6 +40,8 @@ stdenv.mkDerivation {
     echo ${browser} > $out/nix-support/propagated-user-env-packages
   '';
 
+  preferLocalBuild = true;
+
   # Let each plugin tell us (through its `mozillaPlugin') attribute
   # where to find the plugin in its tree.
   plugins = map (x: x + x.mozillaPlugin) plugins;

pkgs/applications/networking/browsers/mozilla-plugins/nspluginwrapper/default.nix

@@ -26,6 +26,8 @@ stdenv.mkDerivation rec {
 
   buildInputs = [which pkgconfig file glib gtk2 gtk3 curl];
 
+  preferLocalBuild = true;
+
   meta = {
     description = ''A wrapper to run browser plugins out-of-process'';
     homepage = "http://nspluginwrapper.org/";

pkgs/build-support/clang-wrapper/default.nix

@@ -84,4 +84,6 @@ stdenv.mkDerivation {
        if stdenv.system == "mips64el-linux" then "ld.so.1" else
        abort "don't know the name of the dynamic linker for this platform")
     else "";
+
+  preferLocalBuild = true;
 }

pkgs/build-support/fetchgit/default.nix

@@ -44,5 +44,7 @@ stdenv.mkDerivation {
     # by definition pure.
     "http_proxy" "https_proxy" "ftp_proxy" "all_proxy" "no_proxy"
     ];
+
+  preferLocalBuild = true;
 }
 

pkgs/build-support/fetchsvn/default.nix

@@ -40,4 +40,6 @@ stdenv.mkDerivation {
     # by definition pure.
     "http_proxy" "https_proxy" "ftp_proxy" "all_proxy" "no_proxy"
     ];
+
+  preferLocalBuild = true;
 }

pkgs/build-support/gcc-wrapper/default.nix

@@ -92,4 +92,6 @@ stdenv.mkDerivation {
        if stdenv.system == "mips64el-linux" then "ld.so.1" else
        abort "don't know the name of the dynamic linker for this platform")
     else "";
+
+  preferLocalBuild = true;
 }

pkgs/build-support/kdewrapper/default.nix

@@ -39,4 +39,6 @@ stdenv.mkDerivation {
     chmod +x $PROG
     done
   '';
+
+  preferLocalBuild = true;
 }

pkgs/data/fonts/fontWrap/default.nix

@@ -20,6 +20,7 @@ stdenv.mkDerivation rec {
 	name = "wrapped-font-dir";
 	builder = writeScript (name + "-builder")
 		(textClosure localDefs [ doInstall doForceShare doPropagate]);
+  preferLocalBuild = true;
 	meta = {
 		description = "
 		Just a wrapper to create fonts.dir and fonts.scale .

pkgs/development/interpreters/python/python-linkme-wrapper.nix

@@ -10,4 +10,6 @@ stdenv.mkDerivation {
     cat ${./python-linkme-wrapper.sh} >  $out/bin/.python-linkme-wrapper
     chmod +x $out/bin/.python-linkme-wrapper
   '';
+
+  preferLocalBuild = true;
 }

pkgs/development/libraries/boost/header-only-wrapper.nix

@@ -17,6 +17,8 @@ stdenv.mkDerivation {
     tar xf $src -C $out/include --strip-components=1 ${pkgid}/boost
   '';
 
+  preferLocalBuild = true;
+
   meta = {
     homepage = "http://boost.org/";
     description = "Boost C++ Library Collection";

pkgs/development/libraries/xlibs-wrapper/default.nix

@@ -6,6 +6,8 @@ stdenv.mkDerivation {
   installPhase = "mkdir -p $out";
   unpackPhase = "sourceRoot=.";
   propagatedBuildInputs = packages;
+
+  preferLocalBuild = true;
 } // {
   # For compatability with XFree86.
   buildClientLibs = true;

pkgs/development/lisp-modules/clwrapper/default.nix

@@ -17,6 +17,8 @@ stdenv.mkDerivation {
 
   phases="installPhase fixupPhase";
 
+  preferLocalBuild = true;
+
   passthru = {
     inherit lisp;
   };

pkgs/tools/typesetting/tex/texlive/aggregate.nix

@@ -68,6 +68,8 @@ rec {
     done
   '' ) [ "minInit" "defEnsureDir" "addInputs" ];
 
+  preferLocalBuild = true;
+
   meta = {
     description = "TeX distribution directory";
     longDescription = ''