IceBuilder - slice2objc --dll-export error

Hello,

we have installed IceBuilder,
when we build our project we get the following error

slice2objc testLib/slice1.ice
cd /Development/Ice/ice-builder-xcode-master/test
/Library/Developer/IceTouch-1.3/SDKs/ObjC/bin/slice2objc --underscore --output-dir testLib/generated --include-dir "" -DDEFINE_INTF --dll-export TEST_LIB_API -I/Library/Developer/IceTouch-1.3/SDKs/ObjC/slice /Development/Ice/ice-builder-xcode-master/test/testLib/slice1.ice

/Library/Developer/IceTouch-1.3/SDKs/ObjC/bin/slice2objc: invalid option: `--dll-export'
Usage: /Library/Developer/IceTouch-1.3/SDKs/ObjC/bin/slice2objc [options] slice-files...
Options:
-h, --help Show this message.
-v, --version Display the Ice version.
-DNAME Define NAME as 1.
-DNAME=DEF Define NAME as DEF.
-UNAME Remove any definition for NAME.
-IDIR Put DIR in the include file search path.
-E Print preprocessor output on stdout.
--include-dir DIR Use DIR as the header include directory in source files.
--output-dir DIR Create files in the directory DIR.
--depend Generate Makefile dependencies.
--depend-xml Generate dependencies in XML format.
-d, --debug Print debug messages.
--ice Permit `Ice' prefix (for building Ice source code only)
--underscore Permit underscores in Slice identifiers.
Command /Library/Developer/IceTouch-1.3/SDKs/ObjC/bin/slice2objc failed with exit code 1

we are using xcode 6.2 and IceTouch 1.3.3
how could we solve this problem?