What does 
'ldd /usr/local/mysql-3.23.37/lib/mysql/libmysqlclient.so'
output?

What is in config.log about zlib??

--Jani

Thanks for your response. Info you requested is below.  I'm afraid I don't know what to look for in this case, so let me know if you need anything else. -d

Output of 'ldd /usr/local/mysql-3.23.37/lib/mysql/libmysqlclient.so':

        libcrypt_i.so.1 =>       /usr/lib/libcrypt_i.so.1
        libgen.so.1 =>   /usr/lib/libgen.so.1
        libsocket.so.1 =>        /usr/lib/libsocket.so.1
        libnsl.so.1 =>   /usr/lib/libnsl.so.1
        libm.so.1 =>     /usr/lib/libm.so.1
        libc.so.1 =>     /usr/lib/libc.so.1
        libdl.so.1 =>    /usr/lib/libdl.so.1
        libmp.so.2 =>    /usr/lib/libmp.so.2
        /usr/platform/SUNW,Ultra-60/lib/libc_psr.so.1

I verified that all these libraries are present.

config.log info:

Run 1:
 ./configure --with-mysql=/usr/local/mysql-3.23.37 --with -apache=../apache_1.3.
19 --enable-track-vars --with-imap=../imap-2001.BETA.SNAP-0104241750 --enable-sy
svsem --enable-sysvshm

Prodiced this in config.log 
configure:49857: checking whether to include zlib support
No other messages related to zlib.

Run 2:
 ./configure --with-mysql=/usr/local/mysql-3.23.37 --with -apache=../apache_1.3.
19 --enable-track-vars --with-imap=../imap-2001.BETA.SNAP-0104241750 --enable-sy
svsem --enable-sysvshm --with-zlib=/usr/local/zlib-1.1.3

aborts with:
configure: error: Zlib module requires zlib >= 1.0.9.

and this in config.log:

configure:49857: checking whether to include zlib support
configure:50058: checking for gzgets in -lz
configure:50077: gcc -o conftest -g -O2  -D_POSIX_PTHREAD_SEMANTICS -DSUPPORT_UT
F8 -DXML_BYTE_ORDER=21 -L/usr/local/zlib-1.1.3/lib  -R/usr/ucblib -L/usr/ucblib 
-R/usr/local/lib/gcc-lib/sparc-sun-solaris2.8/2.95.2 -L/usr/local/lib/gcc-lib/sp
arc-sun-solaris2.8/2.95.2 -R/usr/local/src/www/imap-2001.BETA.SNAP-0104241750/c-
client -L/usr/local/src/www/imap-2001.BETA.SNAP-0104241750/c-client -R/usr/local
/mysql-3.23.37/lib/mysql -L/usr/local/mysql-3.23.37/lib/mysql conftest.c -lz  -l
mysqlclient -lcrypt -lresolv -lresolv -lm -ldl -lnsl -lsocket  -lsocket -lgcc 1>
&5
Undefined                       first referenced
 symbol                             in file
 uncompress                          /usr/local/mysql-3.23.37/lib/mysql/libmysql
c
 lient.so
 compress                            /usr/local/mysql-3.23.37/lib/mysql/libmysql
c
 lient.so
 ld: fatal: Symbol referencing errors. No output written to conftest
 collect2: ld returned 1 exit status
 configure: failed program was:
 #line 50066 "configure"

Tried editing configure, change line # 14725 to:
 14725  LIBS="$LIBS -lz"
Get same result as Run #2 above.

Should be fixed in CVS now.
If not, reopen with the output of this command:

/usr/local/mysql-3.23.37/bin/mysql_config --libs

--Jani

Still fails, but error in config.log is quite puzzling. yp would suggest an NIS-related problem, but we don't use it ...

[snip]
configure:4786: gcc -o conftest -g -O2  -D_POSIX_PTHREAD_SEMANTICS  conftest.c -lsocket  1>&5
Undefined                       first referenced
 symbol                             in file
yp_get_default_domain               /var/tmp/ccpTQEla.o  (symbol belongs to implicit dependen
cy /usr/lib/libnsl.so.1)
ld: fatal: Symbol referencing errors. No output written to conftest
collect2: ld returned 1 exit status
configure: failed program was:
#line 4763 "configure"
[snip]

Doesn't look relevant this time, but here's the output of /usr/local/mysql-3.23.37/bin/mysql_config --libs:      
/usr/local/mysql-3.23.37/bin/mysql_config: !: not found
 -L'/usr/local/mysql-3.23.37/lib/mysql' -lmysqlclient -lz -lcrypt -lgen -lsocket -lnsl -lm 

thanks again. -d

Could you please try the PHP 4.0.6RC1:

http://www.php.net/~andi/php-4.0.6RC1.tar.gz


--Jani

Now I'm pretty sure this is fixed in PHP 4.0.6RC2..
If not please reopen. You can get the tar package here:

http://www.php.net/~andi/php-4.0.6RC2.tar.gz

--Jani