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Bug #36780 configure fails libxml check
Submitted: 2006-03-18 12:04 UTC Modified: 2006-03-18 19:34 UTC
From: james at groovytrain dot com Assigned:
Status: Not a bug Package: Compile Failure
PHP Version: 5.1.2 OS: Redhat Linux 7.1
Private report: No CVE-ID: None
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From: james at groovytrain dot com
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 [2006-03-18 12:04 UTC] james at groovytrain dot com 
Description:
------------
Having compiled PHP without XML support on my system several times without problem, I decided to try and include XML support.

When I run the following command:

./configure --with-apxs2=/usr/local/apache2/bin/apxs --with-mysql --without-pear --enable-libxml --with-gd --with-png-dir=/usr/lib --with-jpeg-dir=/usr/lib --with-zlib-dir=/usr --enable-mbstring=all

It fails with:

checking whether libxml build works... no
configure: error: build test failed.  Please check the config.log for details.

The "config.log" shows:

configure:19959: checking whether libxml build works
configure:19986: gcc -o conftest -g -O2   -Wl,-rpath,/usr/local/lib -L/usr/local/lib conftest.c 
          
         -lresolv -lm -ldl -lnsl  -lxml2 -lz -lm 1>&5
configure: failed program was:
#line 19975 "configure"
#include "confdefs.h"

    
    char xmlInitParser();
    int main() {
      xmlInitParser();
      return 0;
    }

My system has libxml2 version 2.6.23, which was compiled and installed from source not using an RPM.

I have tried a various "--with-libxml-dir" parameters including "--with-libxml-dir=/usr/local/lib" (libxml2 v2.6.23 is in "/usr/local/lib" and v 2.4.10 in "/usr/lib").

Any help you can give will be gratefully received.

Expected result:
----------------
I expect ./configure to complete successfully.

Actual result:
--------------
./configure fails with:

checking whether libxml build works... no
configure: error: build test failed.  Please check the config.log for details.

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 [2006-03-18 18:02 UTC] tony2001@php.net 
1) "--with-libxml-dir=/usr/local/lib"
This is definitely wrong. The "/lib" part should be omitted, so it would look like "--with-libxml-dir=/usr/local".
This also applies to all the other options.

2) If you still can reproduce it, please put this code:
----------
    char xmlInitParser();
    int main() {
      xmlInitParser();
      return 0;
    }
----------
into conftest.c and try to compile it like this:
gcc -o conftest -g -O2   -Wl,-rpath,/usr/local/lib
-L/usr/local/lib conftest.c -lresolv -lm -ldl -lnsl  -lxml2 -lz -lm

and post here the error message you get.
 [2006-03-18 19:08 UTC] james at groovytrain dot com 
I tried configuring with "--with-libxml-dir=/usr/local" (although I was fairly sure I'd tried this) and it still failed with the same error.

I then created "conftest.c", as you recommended, and compiled it. "conftest.c" compiled without error into the file "conftest".

The only difference I can see, between the "conftest.c" that the configuration script makes and the one I created, is the include line.
 [2006-03-18 19:20 UTC] tony2001@php.net 
Did you try to execute the result binary?
 [2006-03-18 19:28 UTC] james at groovytrain dot com 
Executing the binary gives me the following error:

./conftest: error while loading shared libraries: /usr/local/lib/libpthread.so.0: undefined symbol: _dl_cpuclock_offset
 [2006-03-18 19:34 UTC] tony2001@php.net 
As you can see, it doesn't work indeed.
No PHP bug here, it's some mess in your system.
 
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