diff --git a/headers/posix/stdlib.h b/headers/posix/stdlib.h
index cdb1b3838d..97be26ed38 100644
--- a/headers/posix/stdlib.h
+++ b/headers/posix/stdlib.h
@@ -88,6 +88,7 @@ extern unsigned int 	atoui(const char *string);
 extern unsigned long	atoul(const char *string);
 
 extern double			strtod(const char *string, char **end);
+extern long double		strtold(const char *string, char **end);
 extern float			strtof(const char *string, char **end);
 extern long				strtol(const char *string, char **end, int base);
 extern unsigned long	strtoul(const char *string, char **end, int base);
diff --git a/src/system/libroot/posix/glibc/stdlib/Jamfile b/src/system/libroot/posix/glibc/stdlib/Jamfile
index cc375848c2..94e22c7a23 100644
--- a/src/system/libroot/posix/glibc/stdlib/Jamfile
+++ b/src/system/libroot/posix/glibc/stdlib/Jamfile
@@ -36,6 +36,7 @@ MergeObject posix_gnu_stdlib.o :
 	srand48.c
 	srand48_r.c
 	strtod.c
+	strtold.c
 	strtof.c
 	wcstombs.c
 	wctomb.c
diff --git a/src/system/libroot/posix/glibc/stdlib/strtod.c b/src/system/libroot/posix/glibc/stdlib/strtod.c
index b4271baccc..85642b89cf 100644
--- a/src/system/libroot/posix/glibc/stdlib/strtod.c
+++ b/src/system/libroot/posix/glibc/stdlib/strtod.c
@@ -1574,18 +1574,3 @@ STRTOF (nptr, endptr LOCALE_PARAM)
 {
   return INTERNAL (STRTOF) (nptr, endptr, 0 LOCALE_PARAM);
 }
-
-
-// XXX this is not correct
-
-long double __strtold_internal(const char *number, char **_end, int group);
-
-long double
-#ifdef weak_function
-weak_function
-#endif
-__strtold_internal(const char *number, char **_end, int group)
-{
-	return __strtod_internal(number, _end, group);
-}
-
diff --git a/src/system/libroot/posix/glibc/stdlib/strtold.c b/src/system/libroot/posix/glibc/stdlib/strtold.c
new file mode 100644
index 0000000000..f6f6eb9103
--- /dev/null
+++ b/src/system/libroot/posix/glibc/stdlib/strtold.c
@@ -0,0 +1,32 @@
+/* Copyright (C) 1999 Free Software Foundation, Inc.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <math.h>
+#include <stdlib.h>
+
+/* There is no `long double' type, use the `double' implementations.  */
+long double
+__strtold_internal (const char *nptr, char **endptr, int group)
+{
+  return __strtod_internal (nptr, endptr, group);
+}
+
+long double
+strtold (const char *nptr, char **endptr)
+{
+  return __strtod_internal (nptr, endptr, 0);
+}