Log message:
eigen3: remove patch that was rejected upstream

Eigen's intention here was that if the user is going to print their
types via something like
```
os << matrix;
```
then they should be including `<ostream>` explicitly on their own,
and not rely on a transitively included header.  So this was by
design.  As it is, it should build and run if
- you never actually call those functions, and don't include `<ostream>` \ 
on your own
- you do call those functions, and do include `<ostream>` in your own.

Bump PKGREVISION.

Log message:
eigen3: remove .orig file from PLIST

Log message:
eigen3: regen distinfo

The distfile currently provided by the URL has the proper WRKSRC.
No other change to previous version, no idea why I got a different one.

Noted by tnn@

Log message:
eigen3: add upstream bug report URL

Log message:
eigen3: update to 3.4.0.

Notice: that 3.4.x will be the last major release series of Eigen
that will support c++03. The master branch will drop c++03 support
after this release.

Changelog -- too long, see
https://eigen.tuxfamily.org/index.php?title=3.4

Log message:
disable package registry in eigen3 to not populate fake homedir

Log message:
math: Replace RMD160 checksums with BLAKE2s checksums

All checksums have been double-checked against existing RMD160 and
SHA512 hashes

Log message:
math: Remove SHA1 hashes for distfiles

Log message:
Update eigen3 to 3.3.9

Many fixes including a gcc10 compilation issue. Full list at
https://eigen.tuxfamily.org/index.php?title=ChangeLog#Eigen_3.3.9

Log message:
Add missing includes. Bump revision.