[PHP-INST] What is the problem with the latest php4?

Why am I getting this error? make[1]: Entering directory `/usr/src/php-4.0.4pl1' /usr/sbin/apxs -i -a -n php4 libs/libphp4.so cp libs/libphp4.so /usr/lib/apache/libphp4.so cp: cannot stat `libs/libphp4.so': N

[PHP-INST] Problem getting the shared library compiled.

What is this error about? Anyone? make[1]: Entering directory `/usr/src/php-4.0.4pl1' /usr/sbin/apxs -i -a -n php4 libs/libphp4.so cp libs/libphp4.so /usr/lib/apache/libphp4.so cp: cannot stat `libs/libphp4.so': No such file or directory apxs:Break: Command failed with rc=65536 make[1]: *** [inst