glibcxx_localedir = @glibcxx_localedir@
glibcxx_prefixdir = @glibcxx_prefixdir@
glibcxx_srcdir = @glibcxx_srcdir@
-glibcxx_thread_h = @glibcxx_thread_h@
glibcxx_toolexecdir = @glibcxx_toolexecdir@
glibcxx_toolexeclibdir = @glibcxx_toolexeclibdir@
gxx_include_dir = @gxx_include_dir@
top_build_prefix = @top_build_prefix@
top_builddir = @top_builddir@
top_srcdir = @top_srcdir@
+toplevel_builddir = @toplevel_builddir@
toplevel_srcdir = @toplevel_srcdir@
# May be used by various substitution variables.