Summary of offlist discussion: The rest of the world configures apache with the modules being shared objects (that must be explicitly loaded). When a security problem is found in a module, configs not loading it are not aaffected, and people can disable it if they don't need it, making reacting to the security issue easier. The apache-shared-modules default change indeed causes problems where many previously valid apache config files no longer work. But, the above reasons outweigh the (one-time) problems. Also, the new /usr/pkg/share/examples/httpd/httpd.conf has LoadModule lines; if you merge all of them into your previous httpd.conf, then apache will work and be in essentially the same state as before. But now you can trim things you don't want.
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