diff --git a/libquadmath/ChangeLog b/libquadmath/ChangeLog
index 7cf5219cd3c..8e17d2d5f55 100644
--- a/libquadmath/ChangeLog
+++ b/libquadmath/ChangeLog
@@ -1,3 +1,9 @@
+2010-12-08  Tobias Burnus  <burnus@net-b.de>
+
+	PR fortran/46772
+	* gdtoa/gdtoa.h: Include stdlib.h instead of declare strtod.
+	* gdtoa/gdtoaimp.h: Don't declare strtod.
+
 2010-12-08  Tobias Burnus  <burnus@net-b.de>
 
 	PR fortran/46520
diff --git a/libquadmath/gdtoa/gdtoa.h b/libquadmath/gdtoa/gdtoa.h
index 1a60b6cdd6d..de10a436c5a 100644
--- a/libquadmath/gdtoa/gdtoa.h
+++ b/libquadmath/gdtoa/gdtoa.h
@@ -34,6 +34,7 @@ THIS SOFTWARE.
 
 #include "arith.h"
 #include <stddef.h> /* for size_t */
+#include <stdlib.h> /* for strtod */
 
 #ifndef Long
 #define Long long
@@ -108,8 +109,6 @@ extern char* dtoa  ANSI((double d, int mode, int ndigits, int *decpt,
 extern char* gdtoa ANSI((FPI *fpi, int be, ULong *bits, int *kindp,
 			int mode, int ndigits, int *decpt, char **rve));
 extern void freedtoa ANSI((char*));
-extern float  strtof ANSI((CONST char *, char **));
-extern double strtod ANSI((CONST char *, char **));
 extern int strtodg ANSI((CONST char*, char**, FPI*, Long*, ULong*));
 
 extern char*	g_ddfmt  ANSI((char*, double*, int, size_t));
diff --git a/libquadmath/gdtoa/gdtoaimp.h b/libquadmath/gdtoa/gdtoaimp.h
index 2c188d66a0a..68438086d74 100644
--- a/libquadmath/gdtoa/gdtoaimp.h
+++ b/libquadmath/gdtoa/gdtoaimp.h
@@ -561,7 +561,6 @@ extern void memcpy_D2A ANSI((void*, const void*, size_t));
  extern Bigint *set_ones ANSI((Bigint*, int));
  extern char *strcp ANSI((char*, const char*));
  extern int strtoIg ANSI((CONST char*, char**, FPI*, Long*, Bigint**, int*));
- extern double strtod ANSI((const char *s00, char **se));
  extern Bigint *sum ANSI((Bigint*, Bigint*));
  extern int trailz ANSI((Bigint*));
  extern double ulp ANSI((U*));