apache2filter XtOffsetOf' redefined

Hi, i can't compile the current cvs version with apache 2.0.18. make[3]: Entering directory `/home/schopohl/development/php4/sapi/apache2filter' /bin/sh /home/schopohl/development/php4/libtool --silent --mode=compile /home/schopohl/development/php4/meta_ccld -I. - I/home/schopohl/development/php4/sapi/apache2filter - I/home/schopohl/development/php4/main -I/home/schopohl/development/php4 -I/usr/local/apache/2.0.18/include - I/home/schopohl/development/php4/Zend - I/usr/local/mysql/current/include/mysql - I/home/schopohl/development/php4/ext/xml/expat -DNO_DBM_REWRITEMAP - D_REENTRANT -I../TSRM -I/home/schopohl/development/php4/TSRM -g -O2 - pthread -prefer-pic -c sapi_apache2.c In file included from /usr/local/apache/2.0.18/include/apr_buckets.h:61, from /usr/local/apache/2.0.18/include/util_filter.h:59, from sapi_apache2.c:33: /usr/local/apache/2.0.18/include/apr_general.h:115: warning: `XtOffsetOf' redefined /home/schopohl/development/php4/main/php.h:328: warning: this is the location of the previous definition sapi_apache2.c: In function `php_output_filter': sapi_apache2.c:330: too many arguments to function `ap_save_brigade' make[3]: *** [sapi_apache2.lo] Error 1 what's wrong? -- Holger