I am having problems configuring PHP 5.2.8 with ldap on a AIX 5.3 ldap server. I have also downloaded openldap to try to configure PHP. LDAP is installed in /opt/IBM/ldap/V6.0 and openldap in /opt/freeware. PATH=/opt/freeware/bin:/usr/local/apache/build/libtool:/usr/bin:/etc:/usr/sbin:/usr/ucb:/sbin:/usr/java14/jre/bin:/usr/java14/bin Configure statement is: ./configure --with-apxs2=/usr/local/apache/bin/apxs --without-pear --with-ldap=/opt/freeware --disable-xmlwriter --disable-simplexml --disable-libxml --disable-xml --disable-dom --enable-cli Configure Error: configure:53825: gcc -o conftest -I/usr/include -g -O2 -I/opt/freeware/include -L/usr/lib -L/opt/freeware/lib -L/o pt/freeware/lib conftest.c -lldap -llber -liconv -lm 1>&5 ld: 0711-736 ERROR: Input file /usr/lib/libldap.a: XCOFF64 object files are not allowed in 32-bit mode. /usr/lib/libldap.a is a symbolic link to the ldap libraries /opt/IBM/ldap/V6.0/lib64/libidsldap.a. Why is it looking in /usr/lib when I specified --with-ldap=/opt/freeware . If I change configure to: ./configure --with-apxs2=/usr/local/apache/bin/apxs --without-pear --with-ldap=/opt/freeware/lib32 --disable-xmlwriter --disable-simplexml --disable-libxml --disable-xml --disable-dom --enable-cli Configure Error: configure: error: Cannot find ldap.h Tried this configure with same error: Cannot find ldap.h INCLUDE=/opt/freeware/include ./configure --with-apxs2=/usr/local/apache/bin/apxs --without-pear --with-ldap=/opt/freeware/lib32 --disable-xmlwriter --disable-xmlreader --disable-simplexml --disable-libxml --disable-xml --disable-dom --enable-cli ldap.h exists in : /opt/freeware/include/ldap.h /opt/freeware/lib64/ldap.h /opt/freeware/ldap.h /opt/IBM/ldap/V6.0/include/ldap.h /opt/IBM/ldap/V6.0/lib64/ldap.h /usr/include/ldap.h /usr/ldap/include/ldap.h Where do I point --with-ldap to? Thanks so much for your help.