* Drop unrecognized "--disable-aligncheck" configure option.
* Add " = $portVersion" to every cmd: in PROVIDES.
* Add cmd:autoheader and cmd:automake to BUILD_PREREQUIRES.
* Drop cmd:{awk,find,autoreconf} and unneeded call to autoreconf.
* Drop unneeded "LDFLAGS=-lnetwork" as configure finds it anyway.