fix memory leak as Dimitri suggested

[wxWidgets.git] / demos / configure.in

diff --git a/demos/configure.in b/demos/configure.in
index 983747c7ca6f166a9e9f4a1c1d8f4453a7dbe258..25cbcd2568fac3e1fd4dfa49928b4ff658d57f9f 100644 (file)
--- a/demos/configure.in
+++ b/demos/configure.in
@@ -3,6 +3,16 @@ AC_REVISION($Id$)dnl
 
 AC_INIT(Makefile.in)
 
+dnl we need the values the main configure determined for us, so refuse
+dnl to run if we don't have them
+dnl
+dnl note that the only one we use here if wx_cv_if_gnu_make but we can't test
+dnl for this because it may perfectly well be empty (if we're using GNU make),
+dnl so use something else
+if test "x$wx_cv_path_ifs" = "x"; then
+    AC_MSG_ERROR([Please run configure from the top level directory.])
+fi
+
 IF_GNU_MAKE=$wx_cv_if_gnu_make
 AC_SUBST(IF_GNU_MAKE)