使用ANT时出现Crypto++链接器错误

我正试图对前一位员工为我们编写的一些定制软件的构建过程进行反向工程。我已经看到了让所有东西都可以编译的方法,但是我在链接过程中遇到了一个错误,它指出了crypto++的一个问题。有什么线索吗?

compile.util:

compile:
     [echo] Compiling: util
       [cc] Starting dependency analysis for 55 files.
       [cc] 55 files are up to date.
       [cc] 0 files to be recompiled from dependency analysis.
       [cc] 0 total files to be compiled.

link.util:

link:
     [echo] Linking shared library: libutil
       [cc] 0 total files to be compiled.
       [cc] Starting link
       [cc] /usr/bin/ld: /home/john/softwarename/thirdparty/crypto/5.6.1_64/libcryptopp.a(cryptlib.o): relocation R_X86_64_32 against `CryptoPP::DEFAULT_CHANNEL' can not be used when making a shared object; recompile with -fPIC
       [cc] /home/john/softwarename/thirdparty/crypto/5.6.1_64/libcryptopp.a: could not read symbols: Bad value
       [cc] collect2: ld returned 1 exit status

BUILD FAILED
/home/john/softwarename/build/build.xml:167: Following error occured while executing this line
/home/john/softwarename/build/link.xml:27: gcc failed with return code 1

Os是Fedora 11