+ AC_ARG_WITH(large-heap, [ --with-large-heap=yes,no Enable support for GC heaps larger than 3GB (defaults to no)], [large_heap=$withval], [large_heap=no])
+ if test "x$large_heap" = "xyes"; then
+ CPPFLAGS="$CPPFLAGS -DLARGE_CONFIG"
+ fi
+
+ AC_SUBST(LIBGC_CPPFLAGS)
+ AC_SUBST(LIBGC_LIBS)
+ AC_SUBST(LIBGC_STATIC_LIBS)
+ AC_SUBST(libgc_dir)
+ AC_SUBST(BOEHM_DEFINES)
+
+fi