--- a/lib/hard-locale.c
+++ b/lib/hard-locale.c
@@ -23,53 +23,53 @@
 
 #include "hard-locale.h"
 
-#if HAVE_LOCALE_H
-# include <locale.h>
-#endif
-
+#include <locale.h>
 #include <stdlib.h>
 #include <string.h>
 
+#include "strdup.h"
+
+#ifdef __GLIBC__
+# define GLIBC_VERSION __GLIBC__
+#else
+# define GLIBC_VERSION 0
+#endif
+
 /* Return true if the current CATEGORY locale is hard, i.e. if you
    can't get away with assuming traditional C or POSIX behavior.  */
 bool
 hard_locale (int category)
 {
-#if ! HAVE_SETLOCALE
-  return false;
-#else
-
   bool hard = true;
   char const *p = setlocale (category, NULL);
 
   if (p)
     {
-# if defined __GLIBC__ && 2 <= __GLIBC__
-      if (strcmp (p, "C") == 0 || strcmp (p, "POSIX") == 0)
-	hard = false;
-# else
-      char *locale = malloc (strlen (p) + 1);
-      if (locale)
+      if (2 <= GLIBC_VERSION)
+	{
+	  if (strcmp (p, "C") == 0 || strcmp (p, "POSIX") == 0)
+	    hard = false;
+	}
+      else
 	{
-	  strcpy (locale, p);
+	  char *locale = strdup (p);
+	  if (locale)
+	    {
+	      /* Temporarily set the locale to the "C" and "POSIX" locales
+		 to find their names, so that we can determine whether one
+		 or the other is the caller's locale.  */
+	      if (((p = setlocale (category, "C"))
+		   && strcmp (p, locale) == 0)
+		  || ((p = setlocale (category, "POSIX"))
+		      && strcmp (p, locale) == 0))
+		hard = false;
 
-	  /* Temporarily set the locale to the "C" and "POSIX" locales
-	     to find their names, so that we can determine whether one
-	     or the other is the caller's locale.  */
-	  if (((p = setlocale (category, "C"))
-	       && strcmp (p, locale) == 0)
-	      || ((p = setlocale (category, "POSIX"))
-		  && strcmp (p, locale) == 0))
-	    hard = false;
-
-	  /* Restore the caller's locale.  */
-	  setlocale (category, locale);
-	  free (locale);
+	      /* Restore the caller's locale.  */
+	      setlocale (category, locale);
+	      free (locale);
+	    }
 	}
-# endif
     }
 
   return hard;
-
-#endif
 }