[PHP] extension can't be found

I just compiled/installed apache/php4.2.3 with postgres support. the default php.ini-dist is used. I added extension=pgsql.so but when I start apache, error_log shows it can't find pgsql.so. after some trial and error, I found the following line in the default php.ini causes the problem:

[PHP] extension can't be found

it seems my last post failed, let me try again: I just compiled/installed apache/php4.2.3 with postgres support. the default php.ini-dist is used. I added extension=pgsql.so but when I start apache, error_log shows it can't find pgsql.so. after some trial and error, I found the following line in