Index: source/common/putilimp.h
===================================================================
--- source/common/putilimp.h	(revision 259715)
+++ source/common/putilimp.h	(working copy)
@@ -85,7 +85,7 @@
 
 #ifdef U_HAVE_NL_LANGINFO_CODESET
     /* Use the predefined value. */
-#elif U_PLATFORM_HAS_WIN32_API
+#elif U_PLATFORM_HAS_WIN32_API || U_PLATFORM == U_PF_ANDROID || U_PLATFORM == U_PF_QNX
 #   define U_HAVE_NL_LANGINFO_CODESET 0
 #else
 #   define U_HAVE_NL_LANGINFO_CODESET 1
@@ -116,9 +116,12 @@
 #elif U_PLATFORM == U_PF_ANDROID
 #   define U_TIMEZONE timezone
 #elif U_PLATFORM_IS_LINUX_BASED
-#   if !defined(__UCLIBC__)
-    /* __timezone is only available in glibc */
-#       define U_TIMEZONE __timezone
+#   if defined(__UCLIBC__)
+    /* uClibc does not have __timezone or _timezone. */
+#   elif defined(_NEWLIB_VERSION)
+#      define U_TIMEZONE      _timezone
+#   elif defined(__GLIBC__)
+#      define U_TIMEZONE      __timezone
 #   endif
 #elif U_PLATFORM_USES_ONLY_WIN32_API
 #   define U_TIMEZONE _timezone