diff --git a/libguestfs.spec b/libguestfs.spec
index 6ee5bbe..f716b1e 100644
--- a/libguestfs.spec
+++ b/libguestfs.spec
@@ -24,15 +24,49 @@
 %undefine _build_create_debug
 %endif
 
-%define with_ocaml_tools 1
+
+# disable certain features for a SLES11 build
+%if %suse_version == 1110
+%bcond_with ocaml_bindings
+%bcond_with lua_bindings
+%bcond_with python_bindings
+%bcond_with perl_bindings
+%bcond_with ruby_bindings
+%bcond_with hivex
+%bcond_with zerofree
+%else
+%bcond_without ocaml_tools
+%bcond_without ocaml_bindings
+%bcond_without lua_bindings
+%bcond_without python_bindings
+%bcond_without perl_bindings
+
+
+%define with_ocaml_bindings 0
+%define with_lua_bindings 0
+%define with_perl_bindings 0
+%define with_python_bindings 0
+%define with_ruby_bindings 0
+%define with_hivex 0
+%define with_zerofree 0
+
+
+
+%bcond_without ocaml_tools
+%bcond_without ocaml_bindings
+%bcond_without lua_bindings
+%bcond_without python_bindings
+%bcond_without perl_bindings
+
+
 %define with_ocaml_bindings 1
 %define with_lua_bindings 1
 %define with_python_bindings 1
 %define with_perl_bindings 1
 %if %suse_version > 1210
-%define with_ruby_bindings 1
+%define %bcond_without ruby_bindings
 %else
-%define with_ruby_bindings 0
+%define %bcond_with ruby_bindings
 %endif
 %define with_fuse 1
 %define with_hivex 1
@@ -106,11 +140,7 @@ BuildRequires:  perl-macros
 BuildRequires:  pcre-devel
 BuildRequires:  pkg-config
 BuildRequires:  readline-devel
-#
 %if %{with_ocaml_bindings}
-%define with_ocaml_tools 1
-%endif
-%if %{with_ocaml_tools}
 # Required to build tools, its independent from bindings
 BuildRequires:  ocaml
 BuildRequires:  ocaml-findlib