ant build problem.

[shai]

Hi
I'm trying to build log4cxx on Mac version 10.4.7 but get the following
error:

ant -Dhas.wchar_t=0

.....
.....
.....


build:
       [cc] Starting dependency analysis for 144 files.
       [cc] 0 files are up to date.
       [cc] 144 files to be recompiled from dependency analysis.
       [cc] 144 total files to be compiled.
       [cc] Starting link
       [cc] ld: warning -prebind ignored because MACOSX_DEPLOYMENT_TARGET
environment variable greater or equal to 10.4
       [cc] ld: Undefined symbols:
       [cc] __Unwind_Resume
       [cc] __ZN7log4cxx7helpers13UnicodeHelper10decodeWideERPKwS3_
       [cc] __ZN7log4cxx7helpers13UnicodeHelper10encodeWideEjPw
       [cc] __ZN7log4cxx7helpers13UnicodeHelper10lengthUTF8Ew
       [cc] /usr/bin/libtool: internal link edit command failed

BUILD FAILED
/Users/shaideljo/repos/src/users/shai-sand/logging-log4cxx/build.xml:723:
gcc failed with return code 1