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./configure php5 error - log included

hi everyone,

trying to install php5 on a slackware10 system with the following options..

./configure --with-mysql --with-apxs=/usr/sbin/apxs

also just tried doing a compile w/ no options

./configure

either way the intallation fails and this is what my config.log says. I'm having a hard time identifying exactly what the error is.

!http://www.dionsys.com/config.log

any help is greatly appreciated!

This is the critical section of your config.log:

Code:

configure:18053: checking whether libxml build works

configure:18080: gcc -o conftest -g -O2  conftest.c 

          

        -lresolv -lm -ldl -lnsl  -lxml2 -lz -lm 1>&5

/usr/lib/gcc-lib/i486-slackware-linux/3.3.4/../../../../i486-slackware-linux/bin/ld: cannot find -lz

collect2: ld returned 1 exit status

configure: failed program was:

#line 18069 "configure"

#include "confdefs.h"



    

    char xmlInitParser();

    int main() {

      xmlInitParser();

      return 0;

    }

In particular note the line ending with "cannot find -lz". This means that the linker could not find your zlib library, which is used for compression. Check and see if you have zlib installed (you probably need zlib-devel, or whatever package contains the library's headers, too). If not, go ahead and install it. If you do, check "locate *libz*", which should spit out the path to the libz .so file. Then use ./configure --with-zlib=<directory the libz file is in>.

Note that all of this is happening during a check for libxml, so make sure you have that too.

I am actually getting a pretty similar problem but I am running Debian. At first PHP's configure script would fail saying that my version of libxml was too old. I eventually modified my sources.list to use testing code instead of stable and apt-get'ed libxml so I am now upgraded above what PHP requires. However, I still have trouble around the same point as I did before as well as the original poster's problem (libxml stuff).

Here is the last part of the configure output:

Code:

Configuring extensions

checking whether to enable LIBXML support... yes

checking libxml2 install dir... no

checking whether libxml build works... no

configure: error: build test failed.  Please check the config.log for details.

And here is the relevant last part of the config.log:

Code:

configure:17846: checking whether to enable LIBXML support

configure:17893: checking libxml2 install dir

configure:18053: checking whether libxml build works

configure:18080: gcc -o conftest -g -O2  conftest.c



        -lresolv -lm -ldl -lnsl  -lxml2 -lz -lm 1>&5

/usr/lib/libxml2.a(threads.o): In function `xmlGetGlobalState__internal_alias':

threads.o(.text+0x2b9): undefined reference to `pthread_once'

threads.o(.text+0x2c6): undefined reference to `pthread_getspecific'

threads.o(.text+0x2e9): undefined reference to `pthread_setspecific'

/usr/lib/libxml2.a(threads.o): In function `xmlIsMainThread__internal_alias':

threads.o(.text+0x326): undefined reference to `pthread_once'

/usr/lib/libxml2.a(threads.o): In function `xmlOnceInit':

threads.o(.text+0x3b6): undefined reference to `pthread_key_create'

collect2: ld returned 1 exit status

configure: failed program was:

#line 18069 "configure"

#include "confdefs.h"





    char xmlInitParser();

    int main() {

      xmlInitParser();

      return 0;

    }

It appears as though I am missing a library as the linker is throwing errors (possibly I just have an incorrect directory?). Thanks for any help.

Ok, I fixed it, this is what I did:
I ended up having to apt-get remove libxml2-devel and then apt-get install libxml2-dev (I guess there are some problems between the two, I think the devel package is gnome related the dev package is general xml stuff). Anyways, once I did that, the configure worked fine. Hopefully this will help someone in a similar situation as I came to this thread via google...