Revert "Use simgear internal stuff for the singleton class."

[simgear.git] / simgear / simgear_config_cmake.h.in

diff --git a/simgear/simgear_config_cmake.h.in b/simgear/simgear_config_cmake.h.in
index 3d132306340aa413509da72223d816deb3f93f41..a1192283281103dd0525e9338a46b9f73aa8181f 100644 (file)
--- a/simgear/simgear_config_cmake.h.in
+++ b/simgear/simgear_config_cmake.h.in
@@ -16,5 +16,7 @@
 #cmakedefine HAVE_SVN_CLIENT_H
 #cmakedefine HAVE_LIBSVN_CLIENT_1
 
+#cmakedefine GCC_ATOMIC_BUILTINS_FOUND
+
 // set if building headless (no OSG or OpenGL libs)
 #cmakedefine NO_OPENSCENEGRAPH_INTERFACE