diff --git a/icu4c/as_is/os400/bldiculd.sh b/icu4c/as_is/os400/bldiculd.sh
index 5b7f0e5bae6..710b6ff423d 100755
--- a/icu4c/as_is/os400/bldiculd.sh
+++ b/icu4c/as_is/os400/bldiculd.sh
@@ -1,3 +1,6 @@
 #!/bin/sh
-#  /* Copyright (C) 2011 IBM Corporation and Others. All Rights Reserved */
+#  /* Copyright (C) 2011-2012 IBM Corporation and Others. All Rights Reserved */
 icc -o iculd iculd.c
+icc -o cxxfilt cxxfilt.cpp
+
+
diff --git a/icu4c/as_is/os400/cxxfilt.cpp b/icu4c/as_is/os400/cxxfilt.cpp
new file mode 100644
index 00000000000..4cf49b7c9a9
--- /dev/null
+++ b/icu4c/as_is/os400/cxxfilt.cpp
@@ -0,0 +1,37 @@
+/* Copyright (C) 2012 IBM Corporation and Others. All Rights Reserved */
+
+#include <stdio.h>
+#include <demangle.h>
+
+void showSym(char *str) {
+  char *rest;
+  struct Name *name = Demangle(str, rest); // "f__1XFi"
+
+  printf("# '%s'\n", str);
+  if(*rest) printf("\trest: '%s'\n", rest);
+  if(name->Kind() == MemberFunction) {
+    //((MemberFunctionName *) name)->Scope()->Text() is "X"
+    //((MemberFunctionName *) name)->RootName() is "f"
+    //((MemberFunctionName *) name)->Text() is "X::f(int)"
+    printf("\t=> %s\n", ((MemberFunctionName *) name)->Text());
+  } else {
+    printf("\t(not MemberFunction)\n");
+  }
+}
+
+
+
+
+
+int main(int argc, /*const*/ char *argv[]) {
+  if(argc>1) {
+    for(int i=1;i<argc;i++) {
+       showSym(argv[i]);
+    }
+  } else {
+    printf("Usage: %s <symbol> ...\n", argv[0]);
+  }
+
+
+
+}
diff --git a/icu4c/source/Makefile.in b/icu4c/source/Makefile.in
index 2c3ae5dbb75..0f4b3e2420e 100644
--- a/icu4c/source/Makefile.in
+++ b/icu4c/source/Makefile.in
@@ -356,7 +356,7 @@ update-windows-makefiles: config.status
 
 # For building a source distribution.
 distcheck dist-local:
-	$(MAKE) -C . -f config/dist.mk srcdir="$(srcdir)" top_srcdir="$(top_srcdir)" $@
+	$(MAKE) -C . -f $(top_srcdir)/config/dist.mk srcdir="$(srcdir)" top_srcdir="$(top_srcdir)" $@
 
 ifeq ($(DESTDIR),)
 releaseDist:
diff --git a/icu4c/source/common/dictbe.cpp b/icu4c/source/common/dictbe.cpp
index ee927810022..15df9fb8dce 100644
--- a/icu4c/source/common/dictbe.cpp
+++ b/icu4c/source/common/dictbe.cpp
@@ -102,7 +102,7 @@ class PossibleWord {
 private:
     // list of word candidate lengths, in increasing length order
     int32_t   lengths[POSSIBLE_WORD_LIST_MAX];
-    int       count;      // Count of candidates
+    int32_t   count;      // Count of candidates
     int32_t   prefix;     // The longest match with a dictionary word
     int32_t   offset;     // Offset in the text of these candidates
     int       mark;       // The preferred candidate's offset
@@ -840,15 +840,15 @@ CjkBreakEngine::divideUpDictionaryRange( UText *text,
 
     // Dynamic programming to find the best segmentation.
     bool is_prev_katakana = false;
-    for (int i = 0; i < numChars; ++i) {
+    for (int32_t i = 0; i < numChars; ++i) {
         //utext_setNativeIndex(text, rangeStart + i);
         utext_setNativeIndex(&normalizedText, i);
         if (bestSnlp[i] == kuint32max)
             continue;
 
-        int count;
+        int32_t count;
         // limit maximum word length matched to size of current substring
-        int maxSearchLength = (i + maxWordSize < (size_t) numChars)? maxWordSize : (numChars - i);
+        int32_t maxSearchLength = (i + maxWordSize < (size_t) numChars)? maxWordSize : (numChars - i);
 
         fDictionary->matches(&normalizedText, maxSearchLength, lengths.elems(), count, maxSearchLength, values.elems());
 
diff --git a/icu4c/source/i18n/zonemeta.cpp b/icu4c/source/i18n/zonemeta.cpp
index 34cc484da9e..c689b816740 100644
--- a/icu4c/source/i18n/zonemeta.cpp
+++ b/icu4c/source/i18n/zonemeta.cpp
@@ -876,8 +876,8 @@ ZoneMeta::formatCustomID(uint8_t hour, uint8_t min, uint8_t sec, UBool negative,
           id.append((UChar)0x2B);    // '+'
         }
         // Always use US-ASCII digits
-        id.append((UChar)0x30 + (hour%100)/10);
-        id.append((UChar)0x30 + (hour%10));
+        id.append((UChar)(0x30 + (hour%100)/10));
+        id.append((UChar)(0x30 + (hour%10)));
         id.append((UChar)0x3A);    // ':'
         id.append((UChar)(0x30 + (min%100)/10));
         id.append((UChar)(0x30 + (min%10)));