I'm using Sablotron 0.96.1... with expat 1.95.5

Here is my PHP configure line:

./configure --with-openssl=/usr/local --with-gd=/usr/local 
--with-gdbm --with-expat-dir=/usr/local --with-mysql=/usr/
local/mysql --enable-md5 --enable-track-vars --enable-
discard-path --with-jpeg-dir=/usr/local --with-png-dir=/
usr/local --with-tiff-dir=/usr/local --with-xml --with-
zlib=/usr/local --enable-ftp --with-freetype-dir=/usr/local 
--with-apxs=/usr/local/apache/sbin/apxs --enable-trans-sid 
--with-pdflib=/usr/local --with-curl=/usr/local  --enable-
bcmath --with-ldap=/usr/local --enable-exif --with-imap=/
usr/local --with-imap-ssl=/usr/local --enable-sockets --
with-mcrypt=/usr/local --enable-shared --enable-static --
with-iconv-dir=/usr/local --with-iconv=/usr/local --with-
xslt-sablot=/usr/local --enable-xslt

make clean
make

||...snipped out individual compiles to save some space...|
|

There were no errors reported during the compile phase, 
only problems were in the link phase...

the link line is below:

gcc -dynamic -twolevel_namespace -bundle -bundle_loader /
usr/local/apache/sbin/httpd -g -O2   -L/usr/local/lib -L/
usr/local/mysql/lib/mysql ext/zlib/zlib.o ext/zlib/
zlib_fopen_wrapper.o ext/bcmath/bcmath.o ext/bcmath/
number.o ext/bcmath/libbcmath/src/add.o ext/bcmath/
libbcmath/src/div.o ext/bcmath/libbcmath/src/init.o ext/
bcmath/libbcmath/src/neg.o ext/bcmath/libbcmath/src/
outofmem.o ext/bcmath/libbcmath/src/raisemod.o ext/bcmath/
libbcmath/src/rt.o ext/bcmath/libbcmath/src/sub.o ext/
bcmath/libbcmath/src/compare.o ext/bcmath/libbcmath/src/
divmod.o ext/bcmath/libbcmath/src/int2num.o ext/bcmath/
libbcmath/src/num2long.o ext/bcmath/libbcmath/src/output.o 
ext/bcmath/libbcmath/src/recmul.o ext/bcmath/libbcmath/src/
sqrt.o ext/bcmath/libbcmath/src/zero.o ext/bcmath/
libbcmath/src/debug.o ext/bcmath/libbcmath/src/doaddsub.o 
ext/bcmath/libbcmath/src/nearzero.o ext/bcmath/libbcmath/
src/num2str.o ext/bcmath/libbcmath/src/raise.o ext/bcmath/
libbcmath/src/rmzero.o ext/bcmath/libbcmath/src/str2num.o 
ext/ctype/ctype.o ext/curl/curl.o ext/curl/curlstreams.o 
ext/dba/dba.o ext/dba/dba_cdb.o ext/dba/dba_db2.o ext/dba/
dba_dbm.o ext/dba/dba_gdbm.o ext/dba/dba_ndbm.o ext/dba/
dba_db3.o ext/exif/exif.o ext/ftp/php_ftp.o ext/ftp/ftp.o 
ext/gd/gd.o ext/gd/gdttf.o ext/gd/gdcache.o ext/iconv/
iconv.o ext/imap/php_imap.o ext/ldap/ldap.o ext/mcrypt/
mcrypt.o ext/mysql/php_mysql.o ext/openssl/openssl.o ext/
overload/overload.o ext/pcre/pcrelib/maketables.o ext/pcre/
pcrelib/get.o ext/pcre/pcrelib/study.o ext/pcre/pcrelib/
pcre.o ext/pcre/php_pcre.o ext/pdf/pdf.o ext/posix/posix.o 
ext/session/session.o ext/session/mod_files.o ext/session/
mod_mm.o ext/session/mod_user.o ext/sockets/sockets.o ext/
standard/array.o ext/standard/base64.o ext/standard/
basic_functions.o ext/standard/browscap.o ext/standard/
crc32.o ext/standard/crypt.o ext/standard/cyr_convert.o 
ext/standard/datetime.o ext/standard/dir.o ext/standard/
dl.o ext/standard/dns.o ext/standard/exec.o ext/standard/
file.o ext/standard/filestat.o ext/standard/flock_compat.o 
ext/standard/formatted_print.o ext/standard/fsock.o ext/
standard/head.o ext/standard/html.o ext/standard/image.o 
ext/standard/info.o ext/standard/iptc.o ext/standard/lcg.o 
ext/standard/link.o ext/standard/mail.o ext/standard/math.o 
ext/standard/md5.o ext/standard/metaphone.o ext/standard/
microtime.o ext/standard/pack.o ext/standard/pageinfo.o 
ext/standard/parsedate.o ext/standard/quot_print.o ext/
standard/rand.o ext/standard/reg.o ext/standard/soundex.o 
ext/standard/string.o ext/standard/scanf.o ext/standard/
syslog.o ext/standard/type.o ext/standard/uniqid.o ext/
standard/url.o ext/standard/url_scanner.o ext/standard/
var.o ext/standard/versioning.o ext/standard/assert.o ext/
standard/strnatcmp.o ext/standard/levenshtein.o ext/
standard/incomplete_class.o ext/standard/url_scanner_ex.o 
ext/standard/ftp_fopen_wrapper.o ext/standard/
http_fopen_wrapper.o ext/standard/php_fopen_wrapper.o ext/
standard/credits.o ext/standard/css.o ext/standard/
var_unserializer.o ext/standard/ftok.o ext/standard/
aggregation.o ext/standard/sha1.o ext/tokenizer/tokenizer.o 
ext/xml/xml.o ext/xslt/xslt.o ext/xslt/sablot.o regex/
regcomp.o regex/regexec.o regex/regerror.o regex/regfree.o 
TSRM/TSRM.o TSRM/tsrm_strtok_r.o TSRM/tsrm_virtual_cwd.o 
main/main.o main/snprintf.o main/spprintf.o main/
php_sprintf.o main/safe_mode.o main/fopen_wrappers.o main/
alloca.o main/php_ini.o main/SAPI.o main/rfc1867.o main/
php_content_types.o main/strlcpy.o main/strlcat.o main/
mergesort.o main/reentrancy.o main/php_variables.o main/
php_ticks.o main/streams.o main/network.o main/
php_open_temporary_file.o main/php_logos.o main/output.o 
main/memory_streams.o main/user_streams.o Zend/
zend_language_parser.o Zend/zend_language_scanner.o Zend/
zend_ini_parser.o Zend/zend_ini_scanner.o Zend/zend_alloc.o 
Zend/zend_compile.o Zend/zend_constants.o Zend/
zend_dynamic_array.o Zend/zend_execute_API.o Zend/
zend_highlight.o Zend/zend_llist.o Zend/zend_opcode.o Zend/
zend_operators.o Zend/zend_ptr_stack.o Zend/zend_stack.o 
Zend/zend_variables.o Zend/zend.o Zend/zend_API.o Zend/
zend_extensions.o Zend/zend_hash.o Zend/zend_list.o Zend/
zend_indent.o Zend/zend_builtin_functions.o Zend/
zend_sprintf.o Zend/zend_ini.o Zend/zend_qsort.o Zend/
zend_multibyte.o Zend/zend_execute.o sapi/apache/
sapi_apache.o sapi/apache/mod_php4.o sapi/apache/
php_apache.o main/internal_functions.o  -lcrypto -lssl -lc-
client4 -lsablot -liconv -lexpat -lexpat -lpdf -lz -ltiff -
lpng -ljpeg -lmysqlclient -lmcrypt -lltdl -lldap -llber -
lpam -liconv -lgd -lfreetype -lpng -lz -ljpeg -lgdbm -lcurl 
-lz -lssl -lcrypto -lm -ldl -lcurl -lssl -lcrypto -ldl  -o 
libs/libphp4.bundle && cp libs/libphp4.bundle libs/
libphp4.so
ld: warning multiple definitions of symbol _dlclose
/usr/local/apache/sbin/httpd definition of _dlclose
/usr/local/lib/libdl.dylib(dlopen.o) definition of _dlclose
ld: warning multiple definitions of symbol _dlsym
/usr/local/apache/sbin/httpd definition of _dlsym
/usr/local/lib/libdl.dylib(dlopen.o) definition of _dlsym
ld: warning multiple definitions of symbol 
_png_create_read_struct_2
/usr/local/lib/libpng.dylib(pngread.pic.o) definition of 
_png_create_read_struct_2
/usr/local/lib/libpdf.dylib(pngread.lo) definition of 
_png_create_read_struct_2
ld: warning multiple definitions of symbol 
_png_destroy_struct_2
/usr/local/lib/libpng.dylib(pngmem.pic.o) definition of 
_png_destroy_struct_2
/usr/local/lib/libpdf.dylib(pngmem.lo) definition of 
_png_destroy_struct_2
ld: warning multiple definitions of symbol _png_set_mem_fn
/usr/local/lib/libpng.dylib(pngmem.pic.o) definition of 
_png_set_mem_fn
/usr/local/lib/libpdf.dylib(pngmem.lo) definition of 
_png_set_mem_fn
ld: warning multiple definitions of symbol 
_png_free_default
/usr/local/lib/libpng.dylib(pngmem.pic.o) definition of 
_png_free_default
/usr/local/lib/libpdf.dylib(pngmem.lo) definition of 
_png_free_default
ld: warning multiple definitions of symbol _png_get_mem_ptr
/usr/local/lib/libpng.dylib(pngmem.pic.o) definition of 
_png_get_mem_ptr
/usr/local/lib/libpdf.dylib(pngmem.lo) definition of 
_png_get_mem_ptr
ld: warning multiple definitions of symbol 
_png_malloc_default
/usr/local/lib/libpng.dylib(pngmem.pic.o) definition of 
_png_malloc_default
/usr/local/lib/libpdf.dylib(pngmem.lo) definition of 
_png_malloc_default
ld: warning multiple definitions of symbol 
_png_create_struct_2
/usr/local/lib/libpng.dylib(pngmem.pic.o) definition of 
_png_create_struct_2
/usr/local/lib/libpdf.dylib(pngmem.lo) definition of 
_png_create_struct_2
ld: Undefined symbols:
vtable for __cxxabiv1::__class_type_info
vtable for __cxxabiv1::__si_class_type_info
operator delete[](void*)
operator delete(void*)
operator new(unsigned long)
___gxx_personality_v0
std::terminate()
operator new[](unsigned long)
vtable for __cxxabiv1::__vmi_class_type_info
___cxa_pure_virtual
make: *** [libs/libphp4.bundle] Error 1