fix to build with older ICU

git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@31746 72102866-910b-0410-8b05-ffd578937521

ChangeLog

@@ -1,3 +1,9 @@
+2010-12-17  Richard Frith-Macdonald <rfm@gnu.org>
+
+	* Source/NSCalendar.m: Fix to build with ICU 4.0
+	* configure.ac: Permit ICU version as old as 4.0
+	* configure: regenerate
+
 2010-12-16  Stefan Bidigaray <stefanbidi@gmail.com>
 
 	* Source/NSCalendar.m: Added code for -maximumRangeOfUnit: and

Source/NSCalendar.m

@@ -93,7 +93,14 @@ static UCalendarDateFields _NSCalendarUnitToDateField (NSCalendarUnit unit)
       if (tzLen > TZ_NAME_LENGTH)
         tzLen = TZ_NAME_LENGTH;
       [tzName getCharacters: cTzId range: NSMakeRange(0, tzLen)];
-      
+
+#ifndef	UCAL_DEFAULT
+/*
+ * Older versions of ICU used UCAL_TRADITIONAL rather than UCAL_DEFAULT
+ * so if one is not available we use the other.
+ */      
+#define	UCAL_DEFAULT UCAL_TRADITIONAL
+#endif
       _cal = 
         ucal_open ((const UChar *)cTzId, tzLen, cLocaleId, UCAL_DEFAULT, &err);
     }

configure

@@ -23898,9 +23898,9 @@ fi
     echo "See http://site.icu-project.org/ for help."
   else
     ICU_VERSION=`$ICU_CONFIG --version`
-    { $as_echo "$as_me:$LINENO: checking for ICU >= 4.6" >&5
-$as_echo_n "checking for ICU >= 4.6... " >&6; }
-      found=`expr $ICU_VERSION \>= 4.6`
+    { $as_echo "$as_me:$LINENO: checking for ICU >= 4.0" >&5
+$as_echo_n "checking for ICU >= 4.0... " >&6; }
+      found=`expr $ICU_VERSION \>= 4.0`
       if test "$found" = "1" ; then
 	{ $as_echo "$as_me:$LINENO: result: yes" >&5
 $as_echo "yes" >&6; }

configure.ac

@@ -2683,7 +2683,7 @@ AC_ARG_ENABLE(icu,
   enable_icu=yes)
 
 if test $enable_icu = yes; then
-  AC_CHECK_ICU(4.6, have_icu=yes, have_icu=no)
+  AC_CHECK_ICU(4.0, have_icu=yes, have_icu=no)
   if test "$have_icu" = "yes"; then
     AC_MSG_RESULT(yes)
     AC_CHECK_HEADERS(unicode/uloc.h unicode/ulocdata.h unicode/ucurr.h unicode/uregex.h unicode/ucal.h)