1 # Allow users to override the namespace we define our application's classes in
2 # Arg $1 is the default namespace to use if --enable-namespace isn't present.
4 # In general, $1 should be 'google', so we put all our exported symbols in a
5 # unique namespace that is not likely to conflict with anyone else. However,
6 # when it makes sense -- for instance, when publishing stl-like code -- you
7 # may want to go with a different default, like 'std'.
9 AC_DEFUN([AC_DEFINE_GOOGLE_NAMESPACE],
10 [google_namespace_default=[$1]
11 AC_ARG_ENABLE(namespace, [ --enable-namespace=FOO to define these Google
12 classes in the FOO namespace. --disable-namespace
13 to define them in the global namespace. Default
14 is to define them in namespace $1.],
16 yes) google_namespace="$google_namespace_default" ;;
17 no) google_namespace="" ;;
18 *) google_namespace="$enableval" ;;
20 [google_namespace="$google_namespace_default"])
21 if test -n "$google_namespace"; then
22 ac_google_namespace="$google_namespace"
23 ac_google_start_namespace="namespace $google_namespace {"
24 ac_google_end_namespace="}"
26 ac_google_namespace=""
27 ac_google_start_namespace=""
28 ac_google_end_namespace=""
30 AC_DEFINE_UNQUOTED(GOOGLE_NAMESPACE, $ac_google_namespace,
31 Namespace for Google classes)
32 AC_DEFINE_UNQUOTED(_START_GOOGLE_NAMESPACE_, $ac_google_start_namespace,
33 Puts following code inside the Google namespace)
34 AC_DEFINE_UNQUOTED(_END_GOOGLE_NAMESPACE_, $ac_google_end_namespace,
35 Stops putting the code inside the Google namespace)