ICU-491.11.1.tar.gz

[apple/icu.git] / icuSources / i18n / format.cpp

diff --git a/icuSources/i18n/format.cpp b/icuSources/i18n/format.cpp
index 701b489fff7f21b4a013c684c4ab2b6fb9a57111..d80a44da7a806dcd4c22a069ff6dc3ede8bd3fff 100644 (file)
--- a/icuSources/i18n/format.cpp
+++ b/icuSources/i18n/format.cpp
@@ -1,6 +1,6 @@
 /*
 *******************************************************************************
-* Copyright (C) 1997-2010, International Business Machines Corporation and    *
+* Copyright (C) 1997-2011, International Business Machines Corporation and    *
 * others. All Rights Reserved.                                                *
 *******************************************************************************
 *
@@ -23,6 +23,10 @@
 
 #include "unicode/utypes.h"
 
+#ifndef U_I18N_IMPLEMENTATION
+#error U_I18N_IMPLEMENTATION not set - must be set for all ICU source files in i18n/ - see http://userguide.icu-project.org/howtouseicu
+#endif
+
 /*
  * Dummy code:
  * If all modules in the I18N library are switched off, then there are no