求救：在CentOS5.5上安装配置php时出错
错误信息为最下边蓝色字体所示：

[root@localhost /]# ls /usr/local
apache2 etc games include lib libmcrypt libxml2 sbin src
bin freetype gd2 jpeg6 libexec libpng mysql share

[root@localhost /]# ls test
autoconf-2.61 libmcrypt-2.5.8 ncurses-5.6.tar.gz
freetype-2.3.5 libpng-1.2.31 php-5.2.6
freetype-2.3.5.tar.gz libxml2-2.6.30 php-5.2.6.tar.gz
gd-2.0.35 lost+found phpMyAdmin-3.0.0-rc1-all-languages
httpd-2.2.9 mysql-5.0.41 zlib-1.2.3
jpeg-6b ncurses-5.6 zlib_20111206.install.log

[root@localhost /]# cd test/php-5.2.6

[root@localhost php-5.2.6]# ./configure \
> --prefix=/usr/local/php \
> --with-config-file-path=/usr/local/php/etc/ \
> --with-apxs2=/usr/local/apache2/bin/apxs \
> --with-mysql=/usr/local/mysql/ \
> --with-libxml-dir=/usr/local/libxml2/ \
> --with-png-dir=/usr/local/libpng/ \
> --with-jpeg-dir=/usr/local/jpeg6/ \
> --with-freetype-dir=/usr/local/freetype/ \
> --with-gd=/usr/local/gd2/ \
> --with-mcrypt=/usr/local/libmcrypt/ \
> --with-mysqli=/usr/local/mysql/bin/mysql_config\
> --enable-soap\
> --enable-mbstring=all\
> --enable-sockets

loading cache ./config.cache
checking for Cygwin environment... no
checking for mingw32 environment... no
checking for egrep... grep -E
checking for a sed that does not truncate output... /bin/sed
.
. (省略)
.
Configuring SAPI modules
checking for AOLserver support... no
checking for Apache 1.x module support via DSO through APXS... no
checking for Apache 1.x module support... no
.
. (省略)
.

Running system checks
checking for sendmail... /usr/sbin/sendmail
checking whether system uses EBCDIC... no
checking whether byte ordering is bigendian... no
checking whether writing to stdout works... This is the test message -- yes
checking for socket... yes
.
. (省略)
.

General settings
checking whether to include gcov symbols... no
checking whether to include debugging symbols... no
checking layout of installed files... PHP
.
. (省略)
.

Configuring extensions
checking whether to enable LIBXML support... yes
checking libxml2 install dir... /usr/local/libxml2/
checking for xml2-config path... /usr/local/libxml2//bin/xml2-config
checking whether libxml build works... yes
checking for OpenSSL support... no
checking for Kerberos support... no
checking for PCRE support... yes
checking for ZLIB support... no
checking if the location of ZLIB install directory is defined... no
checking whether to enable bc style precision math functions... no
checking for BZip2 support... no
checking whether to enable calendar conversion support... no
checking whether to enable ctype functions... yes
checking for cURL support... no
checking if we should use cURL for url streams... no
checking size of long... (cached) 4
checking size of int... (cached) 4
checking for int32_t... yes
checking for uint32_t... yes
checking for sys/types.h... (cached) yes
checking for inttypes.h... (cached) yes
checking for stdint.h... (cached) yes
checking for string.h... (cached) yes
checking for stdlib.h... (cached) yes
checking for strtoll... yes
checking for atoll... yes
checking for strftime... (cached) yes
checking for QDBM support... no
checking for GDBM support... no
checking for NDBM support... no
checking for Berkeley DB4 support... no
checking for Berkeley DB3 support... no