Index: gcc-4.5/libstdc++-v3/config/locale/generic/c_locale.h
===================================================================
--- gcc-4.5.orig/libstdc++-v3/config/locale/generic/c_locale.h	2010-06-30 22:30:53.993316002 -0700
+++ gcc-4.5/libstdc++-v3/config/locale/generic/c_locale.h	2010-06-30 22:31:26.043316001 -0700
@@ -41,12 +41,17 @@
 
 #include <clocale>
 #include <cstddef>
+#include <features.h>
+#include <ctype.h>
 
 #define _GLIBCXX_NUM_CATEGORIES 0
 
 _GLIBCXX_BEGIN_NAMESPACE(std)
-
-  typedef int*			__c_locale;
+#ifdef __UCLIBC__
+   typedef __ctype_touplow_t*   __c_locale;
+#else
+   typedef int*         __c_locale;
+#endif
 
   // Convert numeric value of type double and long double to string and
   // return length of string.  If vsnprintf is available use it, otherwise
Index: gcc-4.5/libstdc++-v3/config/os/gnu-linux/ctype_base.h
===================================================================
--- gcc-4.5.orig/libstdc++-v3/config/os/gnu-linux/ctype_base.h	2010-06-30 22:30:54.013316002 -0700
+++ gcc-4.5/libstdc++-v3/config/os/gnu-linux/ctype_base.h	2010-06-30 22:31:26.053316001 -0700
@@ -33,14 +33,21 @@
  */
 
 // Information as gleaned from /usr/include/ctype.h
-  
+
+#include <features.h>
+#include <ctype.h>
+
 _GLIBCXX_BEGIN_NAMESPACE(std)
 
   /// @brief  Base class for ctype.
   struct ctype_base
   {
     // Non-standard typedefs.
-    typedef const int* 		__to_type;
+#ifdef __UCLIBC__
+    typedef const __ctype_touplow_t*   __to_type;
+#else
+    typedef const int*         __to_type;
+#endif
 
     // NB: Offsets into ctype<char>::_M_table force a particular size
     // on the mask type. Because of this, we don't use an enum.
Index: gcc-4.5/libstdc++-v3/config/locale/generic/c_locale.cc
===================================================================
--- gcc-4.5.orig/libstdc++-v3/config/locale/generic/c_locale.cc	2010-06-28 12:12:42.000000000 -0700
+++ gcc-4.5/libstdc++-v3/config/locale/generic/c_locale.cc	2010-06-30 22:31:26.063316001 -0700
@@ -256,5 +256,10 @@ _GLIBCXX_END_NAMESPACE
 #ifdef _GLIBCXX_LONG_DOUBLE_COMPAT
 #define _GLIBCXX_LDBL_COMPAT(dbl, ldbl) \
   extern "C" void ldbl (void) __attribute__ ((alias (#dbl)))
+#ifdef __UCLIBC__
+// This is because __c_locale is of type __ctype_touplow_t* which is short on uclibc. for glibc its int*
+_GLIBCXX_LDBL_COMPAT(_ZSt14__convert_to_vIdEvPKcRT_RSt12_Ios_IostateRKPs, _ZSt14__convert_to_vIeEvPKcRT_RSt12_Ios_IostateRKPs);
+#else
 _GLIBCXX_LDBL_COMPAT(_ZSt14__convert_to_vIdEvPKcRT_RSt12_Ios_IostateRKPi, _ZSt14__convert_to_vIeEvPKcRT_RSt12_Ios_IostateRKPi);
+#endif
 #endif // _GLIBCXX_LONG_DOUBLE_COMPAT