Cannot build libphp5.so with the right version of libxml2

Hi,

I'm installing PHP 5.3.6 with Apache HTTP 2.2.21 on a 64-bit centos 
platform (Linux 2.6.18-194.el5)
to use with the Horde 4 platform (webmail).

The system version of libxml is 2.6.26 , it is installed under 
/usr/lib64 (and /usr/lib), but Horde
needs a 2.7 release of libxml, so I installed release 2.7.8 under 
/usr/local/lib (with includes
under /usr/local/includes/libxml2) but libphp5.so gets compiled with the 
includes from
/usr/local/includes/libxml2 and linked with /usr/lib64/libxml2.so and I 
don't know how to
convince ld to use the right library. I don't have any error message 
from configure or make but
httpd does not start with the following message:

---------------------------------------------------------
Cannot load /www/httpd/modules/libphp5.so into server: 
/www/httpd/modules/libphp5.so: undefined symbol: xmlTextReaderSetup
---------------------------------------------------------

I checked that xmlTextReaderSetup is defined in the includes for release 
2.7 of libxml but not 2.6

Here is how I run configure:

------------------------------------------------------------
./configure  --prefix=/www/php-5.3.6 
--with-apxs2=/www/httpd-2.2.21/bin/apxs \
               --with-openssl --with-ldap \
               --with-mysql \
               --enable-ftp \
               --with-libxml-dir=/usr/local/lib \
               --with-libdir=lib64 \
               --with-zlib \
               --with-imap --with-mcrypt  --with-kerberos --with-imap-ssl \
               --with-gd \
               --with-gettext --with-config-file-path=/www/php-5.3.6 \
               --with-oci8=instantclient,/www/oracle --with-iconv 
--enable-mbstring=all --enable-mbregex
-------------------------------------------------------------

(if I remove "--with-libdir=lib64" , I get a make error for 
libmysqlclient which tries to use
/usr/lib/mysql/libmysqlclient.so.15)

Here is the output of lld for libphp5.so :
-------------------------------------------------------------
  ldd libs/libphp5.so
         linux-vdso.so.1 =>  (0x00007fffd0948000)
         libcrypt.so.1 => /lib64/libcrypt.so.1 (0x00002acff2a22000)
         libc-client.so.1 => /usr/lib64/libc-client.so.1 
(0x00002acff2c5b000)
         librt.so.1 => /lib64/librt.so.1 (0x00002acff2f2f000)
         libmysqlclient.so.15 => /usr/lib64/mysql/libmysqlclient.so.15 
(0x00002acff3138000)
         libmcrypt.so.4 => /usr/lib64/libmcrypt.so.4 (0x00002acff34aa000)
         libltdl.so.3 => /usr/lib64/libltdl.so.3 (0x00002acff36db000)
         libldap-2.3.so.0 => /usr/lib64/libldap-2.3.so.0 
(0x00002acff38e2000)
         liblber-2.3.so.0 => /usr/lib64/liblber-2.3.so.0 
(0x00002acff3b1d000)
         libpam.so.0 => /lib64/libpam.so.0 (0x00002acff3d2b000)
         libpng12.so.0 => /usr/lib64/libpng12.so.0 (0x00002acff3f36000)
         libz.so.1 => /usr/lib64/libz.so.1 (0x00002acff415b000)
         libm.so.6 => /lib64/libm.so.6 (0x00002acff436f000)
         libdl.so.2 => /lib64/libdl.so.2 (0x00002acff45f2000)
         libnsl.so.1 => /lib64/libnsl.so.1 (0x00002acff47f7000)
         libgssapi_krb5.so.2 => /usr/lib64/libgssapi_krb5.so.2 
(0x00002acff4a0f000)
         libkrb5.so.3 => /usr/lib64/libkrb5.so.3 (0x00002acff4c3d000)
         libk5crypto.so.3 => /usr/lib64/libk5crypto.so.3 
(0x00002acff4ed3000)
         libcom_err.so.2 => /lib64/libcom_err.so.2 (0x00002acff50f8000)
         libssl.so.6 => /lib64/libssl.so.6 (0x00002acff52fa000)
         libcrypto.so.6 => /lib64/libcrypto.so.6 (0x00002acff5547000)
         libclntsh.so.10.1 => /www/oracle/libclntsh.so.10.1 
(0x00002acff5898000)
         libxml2.so.2 => /usr/lib64/libxml2.so.2 (0x00002acff6caa000)
         libc.so.6 => /lib64/libc.so.6 (0x00002acff6fe8000)
         libpthread.so.0 => /lib64/libpthread.so.0 (0x00002acff7340000)
         /lib64/ld-linux-x86-64.so.2 (0x000000310a200000)
         libresolv.so.2 => /lib64/libresolv.so.2 (0x00002acff755c000)
         libsasl2.so.2 => /usr/lib64/libsasl2.so.2 (0x00002acff7771000)
         libaudit.so.0 => /lib64/libaudit.so.0 (0x00002acff798a000)
         libkrb5support.so.0 => /usr/lib64/libkrb5support.so.0 
(0x00002acff7ba3000)
         libkeyutils.so.1 => /lib64/libkeyutils.so.1 (0x00002acff7dab000)
         libnnz10.so => /www/oracle/libnnz10.so (0x00002acff7fae000)
         libselinux.so.1 => /lib64/libselinux.so.1 (0x00002acff844f000)
         libsepol.so.1 => /lib64/libsepol.so.1 (0x00002acff8668000)
------------------------------------------------------------------------------------

Here are the lines of Makefile concerning paths :

-------------------------------------------------------------
EXTRA_LDFLAGS = -avoid-version -module -L/usr/local/lib 
-L/usr/kerberos/lib64 -L/usr/lib64/mysql -L/www/oracle
EXTRA_LDFLAGS_PROGRAM = -L/usr/local/lib -L/usr/kerberos/lib64 
-L/usr/lib64/mysql -L/www/oracle
EXTRA_LIBS = -lcrypt -lc-client -lcrypt -lrt -lmysqlclient -lmcrypt 
-lltdl -lldap -llber -lcrypt -lpam -lpng -lz -lz -lrt -lm -ldl -lnsl 
-lxml2 -lz -lm -lgssapi_krb5 -lkrb5 -lk5crypto -lcom_err -lssl -lcrypto 
-ldl -lz -lxml2 -lz -lm -lssl -lcrypto -ldl -lz -lgssapi_krb5 -lkrb5 
-lk5crypto -lcom_err -lssl -lcrypto -ldl -lz -lclntsh -lxml2 -lz -lm 
-lcrypt -lxml2 -lz -lm -lxml2 -lz -lm -lxml2 -lz -lm -lcrypt
ZEND_EXTRA_LIBS =
INCLUDES = -I/www/php-5.3.6-src/ext/date/lib 
-I/www/php-5.3.6-src/ext/ereg/regex -I/usr/local/include/libxml2 
-I/usr/kerberos/include -I/usr/include/imap 
-I/www/php-5.3.6-src/ext/mbstring/oniguruma 
-I/www/php-5.3.6-src/ext/mbstring/libmbfl 
-I/www/php-5.3.6-src/ext/mbstring/libmbfl/mbfl -I/usr/include/mysql 
-I/www/oracle/sdk/include -I/www/php-5.3.6-src/ext/sqlite3/libsqlite 
-I$(top_builddir)/TSRM -I$(top_builddir)/Zend
EXTRA_INCLUDES =
INCLUDE_PATH = .:/www/php-5.3.6/lib/php
INSTALL_IT = $(mkinstalldirs) '$(INSTALL_ROOT)/www/httpd-2.2.21/modules' 
&& $(mkinstalldirs) '$(INSTALL_ROOT)/www/httpd-2.2.21/conf' && 
/www/httpd-2.2.21/bin/apxs -S 
LIBEXECDIR='$(INSTALL_ROOT)/www/httpd-2.2.21/modules' -S 
SYSCONFDIR='$(INSTALL_ROOT)/www/httpd-2.2.21/conf' -i -a -n php5 libphp5.la
LFLAGS =
LIBTOOL = $(SHELL) $(top_builddir)/libtool --silent --preserve-dup-deps
LN_S = ln -s
NATIVE_RPATHS = -Wl,-rpath,/usr/local/lib -Wl,-rpath,/usr/kerberos/lib64 
-Wl,-rpath,/usr/lib64/mysql -Wl,-rpath,/www/oracle
PEAR_INSTALLDIR = ${exec_prefix}/lib/php
PHP_BUILD_DATE = 2011-09-21
PHP_LDFLAGS = -L/usr/local/lib -L/usr/kerberos/lib64 -L/usr/lib64/mysql 
-L/www/oracle
PHP_LIBS =
OVERALL_TARGET = libphp5.la
PHP_RPATHS = -R /usr/local/lib -R /usr/kerberos/lib64 -R 
/usr/lib64/mysql -R /www/oracle
PHP_SAPI = apache2handler
PHP_VERSION = 5.3.6
PHP_VERSION_ID = 50306
SHELL = /bin/sh
SHARED_LIBTOOL = $(LIBTOOL)
------------------------------------------------------------------------------------------------

If someone could please help me build the right libphp5.so module, I 
would would be very grateful.

Thank you for reading to the end of this long message and for helping me.

Francoise Koenig

begin:vcard
fn;quoted-printable:Fran=C3=A7oise K=C3=B6nig
n;quoted-printable;quoted-printable:K=C3=B6nig;Fran=C3=A7oise
org:ESRF;Technical Infrastructure Division - MIS group - Web Unit
adr:BP 220;;6 rue Jules Horowitz;GRENOBLE;;38043;France
email;internet:[email protected]
tel;work:+33 (0)4 76 88 25 57
note:In office: Mo, Tue, Thu mornings, Wed all day
url:http://www.esrf.eu/
version:2.1
end:vcard