I have installed Apache 2.0.32.
PHP 4.1.2
./configure --with-apxs2 (with path to apxs from Apache 2)
OK
make
/bin/sh /tmp/php/php-4.1.2/libtool --silent --mode=compile /tmp/php/php-4.1.2/meta_ccld  -I. -I/tmp/php/php-4.1.2/sapi/apache2filter -I/tmp/php/php-4.1.2/main -I/tmp/php/php-4.1.2 -I/usr/include/apache -I/tmp/php/php-4.1.2/Zend -I/tmp/php/php-4.1.2/ext/mysql/libmysql -I/tmp/php/php-4.1.2/ext/xml/expat  -DEAPI_MM -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -DHARD_SERVER_LIMIT=2048 -DDYNAMIC_MODULE_LIMIT=128 -DLINUX=22 -DMOD_SSL=208103 -DEAPI -DUSE_EXPAT -D_REENTRANT -I/tmp/php/php-4.1.2/TSRM -DTHREAD=1 -g -O2 -pthread -DZTS -prefer-pic  -c sapi_apache2.c
sapi_apache2.c: In function `php_apache_sapi_register_variables':
sapi_apache2.c:148: warning: initialization discards qualifiers from pointer target type
sapi_apache2.c: In function `php_input_filter':
sapi_apache2.c:247: incompatible type for argument 4 of `ap_get_brigade'
sapi_apache2.c:247: too few arguments to function `ap_get_brigade'
sapi_apache2.c: In function `php_register_hook':
sapi_apache2.c:408: warning: passing arg 2 of `ap_register_input_filter' from incompatible pointer type
make[3]: *** [sapi_apache2.lo] Error 1
make[3]: Leaving directory `/tmp/php/php-4.1.2/sapi/apache2filter'
make[2]: *** [all-recursive] Error 1
make[2]: Leaving directory `/tmp/php/php-4.1.2/sapi/apache2filter'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/tmp/php/php-4.1.2/sapi'
make: *** [all-recursive] Error 1