Unable to install php5

[gmccague@…]

I have been trying to install php5 without success. The item exits with the following error:

---> Configuring php5 Error: Target org.macports.configure returned: configure failure: shell command " cd "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_www_php5/work/php-5.2.5" && ./configure --prefix=/opt/local --mandir=/opt/local/share/man --infodir=/opt/local/share/info --with-config-file-path=/opt/local/etc --enable-calendar --with-iconv=/opt/local --enable-exif --enable-ftp --enable-wddx --with-zlib=/opt/local --with-bz2=/opt/local --without-mysql --without-sqlite --without-pdo-sqlite --with-libxml-dir=/opt/local --with-gettext=/opt/local --with-xml --with-expat-dir=/opt/local --with-xmlrpc --enable-soap --enable-filepro --enable-bcmath --enable-trans-sid --enable-mbstring --enable-dbx --enable-dba --with-openssl=/opt/local --with-mhash=/opt/local --with-mcrypt=/opt/local --with-xsl=/opt/local --with-curl=/opt/local --with-pcre-regex=/opt/local --with-gd --with-jpeg-dir=/opt/local --with-png-dir=/opt/local --enable-gd-native-ttf --without-pear --with-freetype-dir=/opt/local --with-apxs=/usr/sbin/apxs --with-ldap=/usr --with-kerberos=/usr --with-iodbc=/usr " returned error 1 Command output: checking for icc... no checking whether /usr/bin/gcc-4.0 and cc understand -c and -o together... yes checking how to run the C preprocessor... /usr/bin/cpp-4.0 checking for AIX... no checking whether ln -s works... yes checking for system library directory... lib checking whether to enable runpaths... yes checking if compiler supports -R... no checking if compiler supports -Wl,-rpath,... yes checking for re2c... no configure: warning: You will need re2c 0.12.0 or later if you want to regenerate PHP parsers. checking for gawk... gawk checking for bison... bison -y checking for bison version... 2.3 (ok) checking for flex... flex checking for yywrap in -lfl... yes checking lex output file root... lex.yy checking whether yytext is a pointer... yes checking for working const... yes checking for flex version... invalid configure: warning: flex versions supported for regeneration of the Zend/PHP parsers: 2.5.4 (found: 2.5.33) checking whether /usr/bin/gcc-4.0 supports -no-cpp-precomp... yes checking whether to force non-PIC code in shared modules... no checking whether /dev/urandom exists... yes checking for pthreads_cflags... checking for pthreads_lib...

Configuring SAPI modules checking for AOLserver support... no checking for Apache 1.x module support via DSO through APXS... configure: error: You have enabled Apache 1.3 support while your server is Apache 2. Please use the appropiate switch --with-apxs2

Error: Status 1 encountered during processing.