Revert "Merge branch 'staging'" due to glibc

The main output started to retain dependency on bootstrap-tools; see
https://github.com/NixOS/nixpkgs/pull/15867#issuecomment-227949096

This reverts commit c05d829598, reversing
changes made to f073df60d6.

pkgs/development/python-modules/generic/wrap.sh

@@ -46,15 +46,16 @@ wrapPythonProgramsIn() {
                 # wrapProgram creates the executable shell script described
                 # above. The script will set PYTHONPATH and PATH variables.!
                 # (see pkgs/build-support/setup-hooks/make-wrapper.sh)
-                local -a wrap_args=("$f"
-                                 --prefix PYTHONPATH ':' "$program_PYTHONPATH"
-                                 --prefix PATH ':' "$program_PATH:$dir/bin")
+                local wrap_args="$f \
+                                 --prefix PYTHONPATH ':' $program_PYTHONPATH \
+                                 --prefix PATH ':' $program_PATH:$dir/bin"
 
                 # Add any additional arguments provided by makeWrapperArgs
                 # argument to buildPythonPackage.
-                local -a user_args="($makeWrapperArgs)"
-                local -a wrapProgramArgs=("${wrap_args[@]}" "${user_args[@]}")
-                wrapProgram "${wrapProgramArgs[@]}"
+                for arg in $makeWrapperArgs; do
+                    wrap_args="$wrap_args $arg"
+                done
+                wrapProgram $wrap_args
             fi
         fi
     done