the right thing about local DST. Unlike previous versions, this
version is reentrant. */
-#include <config.h>
-
-#ifdef HAVE_ALLOCA_H
-# include <alloca.h>
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+# ifdef HAVE_ALLOCA_H
+# include <alloca.h>
+# endif
#endif
/* Since the code of getdate.y is not included in the Emacs executable