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# Allow users to override the namespace we define our application's classes in
# Arg $1 is the default namespace to use if --enable-namespace isn't present.
# In general, $1 should be 'google', so we put all our exported symbols in a
# unique namespace that is not likely to conflict with anyone else. However,
# when it makes sense -- for instance, when publishing stl-like code -- you
# may want to go with a different default, like 'std'.
AC_DEFUN([AC_DEFINE_GOOGLE_NAMESPACE],
[google_namespace_default=[$1]
AC_ARG_ENABLE(namespace, [ --enable-namespace=FOO to define these Google
classes in the FOO namespace. --disable-namespace
to define them in the global namespace. Default
is to define them in namespace $1.],
[case "$enableval" in
yes) google_namespace="$google_namespace_default" ;;
no) google_namespace="" ;;
*) google_namespace="$enableval" ;;
esac],
[google_namespace="$google_namespace_default"])
if test -n "$google_namespace"; then
ac_google_namespace="$google_namespace"
ac_google_start_namespace="namespace $google_namespace {"
ac_google_end_namespace="}"
else
ac_google_namespace=""
ac_google_start_namespace=""
ac_google_end_namespace=""
fi
AC_DEFINE_UNQUOTED(GOOGLE_NAMESPACE, $ac_google_namespace,
Namespace for Google classes)
AC_DEFINE_UNQUOTED(_START_GOOGLE_NAMESPACE_, $ac_google_start_namespace,
Puts following code inside the Google namespace)
AC_DEFINE_UNQUOTED(_END_GOOGLE_NAMESPACE_, $ac_google_end_namespace,
Stops putting the code inside the Google namespace)
])
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