Php with pfpro on Centos 4.2 (2.6.9-22.0.2.ELsmp) AMD X86_64

Folks! I have been trying to compile php with pfpro support on my new server and have not been able to take care of that so far. Below are the details of the sources that i am using PHP version 4.4.2 pfpro SDK for RH9 Configure syntax " ./configure --prefix=/usr/local/php --with-apxs2=/usr/local/apache/bin/apxs --with-mysql --enable-force-cgi-redirect --disable-cgi --with-zlib --with-gettext --with-gdbm --with-curl --with-png-dir=/usr --with-png --enable-bcmath --with-ssl --with-pfpro=/usr/local/verisign/payflowpro/linuxrh9 --enable-experimental-zts --with-jpeg-dir=/usr --with-freetype-dir=/usr --with-gd --with-mhash=/usr/local/mhash --with-openssl=/usr" My compile always fails and reports that i need to update to version 2 or 3 of SDK. my config.log shows configure:76822: checking for PNInit in -lpfpro configure:76841: gcc -o conftest -g -O2 -pthread -D_REENTRANT -Wl,-rpath,/usr/local/lib -L/usr/local/lib -Wl,-rpath,/usr/lib64 -L/usr/lib64 -Wl,-rpath,/usr/kerberos/lib -L/usr/kerberos/lib -Wl,-rpath,/usr/kerberos/lib64 -L/usr/kerberos/lib64 -Wl,-rpath,/usr/local/mhash/lib -L/usr/local/mhash/lib conftest.c -lpfpro -lmhash -lfreetype -lpng -lz -ljpeg -lgdbm -lcurl -lz -lssl -lcrypto -lresolv -lm -ldl -lnsl -lcurl -lssl -lcrypto -lgssapi_krb5 -lkrb5 -lcom_err -lk5crypto -lresolv -ldl -lz -lgssapi_krb5 -lkrb5 -lk5crypto -lcom_err -lresolv -lidn -lssl -lcrypto -lssl -lcrypto -lgssapi_krb5 -lkrb5 -lcom_err -lk5crypto -lresolv -ldl -lz -lz 1>&5 /usr/bin/ld: skipping incompatible /usr/local/lib/libpfpro.so when searching for -lpfpro /usr/bin/ld: skipping incompatible /usr/lib64/libpfpro.so when searching for -lpfpro /usr/bin/ld: skipping incompatible /usr/lib/gcc/x86_64-redhat-linux/3.4.4/../../../../lib64/libpfpro.so when searching for -lpfpro /usr/bin/ld: skipping incompatible /lib/../lib64/libpfpro.so when searching for -lpfpro /usr/bin/ld: skipping incompatible /usr/lib/../lib64/libpfpro.so when searching for -lpfpro /usr/bin/ld: skipping incompatible /lib64/libpfpro.so when searching for -lpfpro /usr/bin/ld: skipping incompatible /usr/lib64/libpfpro.so when searching for -lpfpro /usr/bin/ld: skipping incompatible /usr/lib64/libpfpro.so when searching for -lpfpro /usr/bin/ld: skipping incompatible /usr/local/lib/libpfpro.so when searching for -lpfpro /usr/bin/ld: skipping incompatible /lib/libpfpro.so when searching for -lpfpro /usr/bin/ld: cannot find -lpfpro Any ideas about this, Any help in this regard will be highly appreciated. Best Regards Hilal