Description:
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I've compiled PHP 5.3.6 on HP-UX 11.11 with following parameters : 

./configure --disable-cli --with-config-file-path=/path/to/etc/php --with-sybase-ct=/path/to/sybase --with-imap=/path/to/imap --with-imap-ssl=/usr --with-libxml-dir=/path/to/libxml2 --with-gd --with-png-dir=/path/to/libpng --with-jpeg-dir=/path/to/jpeg --with-freetype-dir=/path/to/freetype --with-ldap  --prefix=/path/to/php --with-apxs=/path/to/apache/bin/apxs

When I start apache, I've the following error : 

/usr/lib/dld.sl: Unresolved symbol: strtoull (code)  from /path/to/apache/libexec/libphp5.so

If I compile without the option "--disable-cli", the error appears at compile time.

According to this page : http://gcc.gnu.org/ml/libstdc++/2002-03/msg00164.html,
HP-UX does not provide strtoll or strtoull functions in libc in 64 bit mode since they are the same as strtol and strtoul so we define the libstdc++ functions to call strtol and strtoul.

I've resolved the situation with replacing all "strtoull" terms by "strtoul" on the file ext/fileinfo/libmagic/apprentice.c