devel/srell: [NEW PORT] Std::regex-like regular expression template library for C++

[alven]

Summary

SRELL (std::regex-like library) is a Unicode-aware regular expression
template library for C++.

WWW: https://www.akenotsuki.com/misc/srell/en/

Test Plan

make test
Results of tests: 305/305 (100.0%) passed. (20 skipped).

For every {amd64, i386} × {14.3, 13.5}:

• Successful poudriere testport

[yuri]

devel/SRELL/Makefile

1 ↗

(On Diff #161995)

Please change this to the lowercase 'srell'.
A lot of committers strongly dislike capital letters in port names other than Python ports. You'll get a lot of complaints.

Same for the directory name.

36 ↗

(On Diff #161995)

Please add @.

devel/SRELL/pkg-descr

36 ↗

(On Diff #161995)

It looks like pkgdescr is too long.
Doesn't 'portlint -C' complain?
It has the 24-line limit hardcoded.

[alven]

Fix review issues

[alven]

Fix duplicated Makefile

[alven]

Fix MASTER_SITES and DISTNAME after lowercasing PORTNAME

[yuri]

Approved.

Thanks,
Yuri