c_locale.cc (__convert_to_v): Prefer strtold_l over __strtold_l if available.

	* config/locale/gnu/c_locale.cc (__convert_to_v): Prefer
	strtold_l over __strtold_l if available.

From-SVN: r118654

libstdc++-v3/ChangeLog

+2006-11-10  Jakub Jelinek  <jakub@redhat.com>
+
+	* config/locale/gnu/c_locale.cc (__convert_to_v): Prefer
+	strtold_l over __strtold_l if available.
+
 2006-11-07  Benjamin Kosnik  <bkoz@redhat.com>
 
 	PR libstdc++/29722

libstdc++-v3/config/locale/gnu/c_locale.cc

@@ -77,7 +77,13 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
     {
       char* __sanity;
       errno = 0;
+#if __GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 2)
+      // Prefer strtold_l, as __strtold_l isn't prototyped in more recent
+      // glibc versions.
+      long double __ld = strtold_l(__s, &__sanity, __cloc);
+#else
       long double __ld = __strtold_l(__s, &__sanity, __cloc);
+#endif
       if (__sanity != __s && errno != ERANGE)
 	__v = __ld;
       else