perl/perl-Coro: Added (the only real threads in perl).

Signed-off-by: Willy Sudiarto Raharjo <willysr@slackbuilds.org>

perl/perl-Coro/README

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+This module collection manages continuations in general, most often in 
+the form of cooperative threads (also called coros, or simply "coro" in
+the documentation). They are similar to kernel threads but don't (in
+general) run in parallel at the same time even on SMP machines. The
+specific flavor of thread offered by this module also guarantees you
+that it will not switch between threads unless necessary, at
+easily-identified points in your program, so locking and parallel access
+are rarely an issue, making thread programming much safer and easier than
+using other thread models.
+
+Unlike the so-called "Perl threads" (which are not actually real threads
+but only the windows process emulation (see section of same name for more
+details) ported to UNIX, and as such act as processes), Coro provides a
+full shared address space, which makes communication between threads very
+easy. And coro threads are fast, too: disabling the Windows process
+emulation code in your perl and using Coro can easily result in a two to
+four times speed increase for your programs. A parallel matrix
+multiplication benchmark (very communication-intensive) runs over 300
+times faster on a single core than perls pseudo-threads on a quad core
+using all four cores.
+
+Coro achieves that by supporting multiple running interpreters that share
+data, which is especially useful to code pseudo-parallel processes and for
+event-based programming, such as multiple HTTP-GET requests running
+concurrently. See Coro::AnyEvent to learn more on how to integrate Coro
+into an event-based environment.
+
+In this module, a thread is defined as "callchain + lexical variables +
+some package variables + C stack), that is, a thread has its own
+callchain, its own set of lexicals and its own set of perls most
+important global variables (see Coro::State for more configuration and
+background info).

perl/perl-Coro/perl-Coro.SlackBuild

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+#!/bin/sh
+
+# Slackware build script for perl-Coro
+
+# Copyright 2019 Sergei Fedosoff
+# All rights reserved.
+#
+# Redistribution and use of this script, with or without modification, is
+# permitted provided that the following conditions are met:
+#
+# 1. Redistributions of this script must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+#
+#  THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR IMPLIED
+#  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+#  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO
+#  EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+#  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+#  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+#  OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+#  WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+#  OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+#  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+PRGNAM=perl-Coro
+VERSION=${VERSION:-6.54}
+BUILD=${BUILD:-1}
+TAG=${TAG:-_SBo}
+
+SRCNAM="$(printf $PRGNAM | cut -d- -f2-)"
+
+if [ -z "$ARCH" ]; then
+  case "$( uname -m )" in
+    i?86) ARCH=i586 ;;
+    arm*) ARCH=arm ;;
+       *) ARCH=$( uname -m ) ;;
+  esac
+fi
+
+CWD=$(pwd)
+TMP=${TMP:-/tmp/SBo}
+PKG=$TMP/package-$PRGNAM
+OUTPUT=${OUTPUT:-/tmp}
+
+if [ "$ARCH" = "i586" ]; then
+  SLKCFLAGS="-O2 -march=i586 -mtune=i686"
+  LIBDIRSUFFIX=""
+elif [ "$ARCH" = "i686" ]; then
+  SLKCFLAGS="-O2 -march=i686 -mtune=i686"
+  LIBDIRSUFFIX=""
+elif [ "$ARCH" = "x86_64" ]; then
+  SLKCFLAGS="-O2 -fPIC"
+  LIBDIRSUFFIX="64"
+else
+  SLKCFLAGS="-O2"
+  LIBDIRSUFFIX=""
+fi
+
+set -e
+
+rm -rf $PKG
+mkdir -p $TMP $PKG $OUTPUT
+cd $TMP
+rm -rf $SRCNAM-$VERSION
+tar xvf $CWD/$SRCNAM-$VERSION.tar.gz
+cd $SRCNAM-$VERSION
+chown -R root:root .
+find -L . \
+ \( -perm 777 -o -perm 775 -o -perm 750 -o -perm 711 -o -perm 555 \
+  -o -perm 511 \) -exec chmod 755 {} \; -o \
+ \( -perm 666 -o -perm 664 -o -perm 640 -o -perm 600 -o -perm 444 \
+  -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \;
+
+PERL_CANARY_STABILITY_NOPROMPT=1 \
+PERL_MM_USE_DEFAULT=1 \
+perl Makefile.PL \
+  PREFIX=/usr \
+  INSTALLDIRS=vendor \
+  INSTALLVENDORMAN1DIR=/usr/man/man1 \
+  INSTALLVENDORMAN3DIR=/usr/man/man3
+make
+make test
+make install DESTDIR=$PKG
+
+find $PKG -name perllocal.pod -o -name ".packlist" -o -name "*.bs" | xargs rm -f || true
+
+find $PKG -depth -type d -empty -delete || true
+
+mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
+cp -a Changes COPYING README $PKG/usr/doc/$PRGNAM-$VERSION
+cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild
+
+mkdir -p $PKG/install
+cat $CWD/slack-desc > $PKG/install/slack-desc
+
+cd $PKG
+/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.${PKGTYPE:-tgz}

perl/perl-Coro/perl-Coro.info

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+PRGNAM="perl-Coro"
+VERSION="6.54"
+HOMEPAGE="https://metacpan.org/pod/Coro"
+DOWNLOAD="https://cpan.metacpan.org/authors/id/M/ML/MLEHMANN/Coro-6.54.tar.gz"
+MD5SUM="aaf5ca766a7323feaab7c9aea77e6ea8"
+DOWNLOAD_x86_64=""
+MD5SUM_x86_64=""
+REQUIRES="perl-EV perl-AnyEvent perl-common-sense perl-Guard perl-event"
+MAINTAINER="Sergei Fedosoff"
+EMAIL="eleksir@gmail.com"

perl/perl-Coro/slack-desc

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+# HOW TO EDIT THIS FILE:
+# The "handy ruler" below makes it easier to edit a package description.
+# Line up the first '|' above the ':' following the base package name, and
+# the '|' on the right side marks the last column you can put a character in.
+# You must make exactly 11 lines for the formatting to be correct.  It's also
+# customary to leave one space after the ':' except on otherwise blank lines.
+
+         |-----handy-ruler------------------------------------------------------|
+perl-Coro: perl-Coro (the only real threads in perl)
+perl-Coro:
+perl-Coro: Coro provides a full shared address space, which makes communication
+perl-Coro: between threads very easy. And coro threads are fast, too: disabling
+perl-Coro: the Windows process emulation code in your perl and using Coro can
+perl-Coro: easily result in a two to four times speed increase for your
+perl-Coro: programs. A parallel matrix multiplication benchmark (very
+perl-Coro: communication-intensive) runs over 300 times faster on a single core
+perl-Coro: than perls pseudo-threads on a quad core using all four cores.
+perl-Coro:
+perl-Coro: Homepage: https://metacpan.org/pod/Coro