use running_from_source_tree()

diff --git a/gtk2_ardour/ardour_ui.cc b/gtk2_ardour/ardour_ui.cc
index a348f7c9f4e7e054f18b3358c6d06afa94e3fd1f..8ace0cee3885b92bea2ccad439c07644ab1b8a85 100644 (file)
--- a/gtk2_ardour/ardour_ui.cc
+++ b/gtk2_ardour/ardour_ui.cc
@@ -331,8 +331,7 @@ ARDOUR_UI::ARDOUR_UI (int *argcp, char **argvp[], const char* localedir)
 
        if (string (VERSIONSTRING).find (".pre") != string::npos) {
                /* check this is not being run from ./ardev etc. */
-               gchar const *x = g_getenv ("ARDOUR_THEMES_PATH");
-               if (!x || string (x).find ("gtk2_ardour") == string::npos) {
+               if (!running_from_source_tree ()) {
                        pre_release_dialog ();
                }
        }