system/mpich: Added (High-Performance Portable MPI).

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

system/mpich/README

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+MPICH is a high-performance and widely portable implementation of the
+Message Passing Interface (MPI) standard (MPI-1, MPI-2 and MPI-3).
+The goals of MPICH are: to provide an MPI implementation that
+efficiently supports different computation and communication
+platforms including commodity clusters, high-speed networks and
+proprietary high-end computing systems, and to enable cutting-edge
+research in MPI through an easy-to-extend modular framework for other
+derived implementations.

system/mpich/mpich.SlackBuild

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+#!/bin/sh
+
+# Slackware build script for mpich
+
+# Written by Wainamoinen <wainamoinen@gmail.com>
+
+PRGNAM=mpich
+VERSION=${VERSION:-3.1.3}
+BUILD=${BUILD:-1}
+TAG=${TAG:-_SBo}
+
+if [ -z "$ARCH" ]; then
+  case "$( uname -m )" in
+    i?86) ARCH=i486 ;;
+    arm*) ARCH=arm ;;
+       *) ARCH=$( uname -m ) ;;
+  esac
+fi
+
+CWD=$(pwd)
+TMP=${TMP:-/tmp/SBo}
+PKG=$TMP/package-$PRGNAM
+OUTPUT=${OUTPUT:-/tmp}
+
+if [ "$ARCH" = "i486" ]; then
+  SLKCFLAGS="-O2 -march=i486 -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 $PRGNAM-$VERSION
+tar xvf $CWD/$PRGNAM-$VERSION.tar.gz
+cd $PRGNAM-$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 {} \;
+
+CFLAGS="$SLKCFLAGS" \
+CXXFLAGS="$SLKCFLAGS" \
+./configure \
+  --prefix=/usr \
+  --libdir=/usr/lib${LIBDIRSUFFIX} \
+  --sysconfdir=/etc \
+  --localstatedir=/var \
+  --mandir=/usr/man \
+  --docdir=/usr/doc/$PRGNAM-$VERSION \
+  --build=$ARCH-slackware-linux \
+  --enable-static=no \
+  --enable-g=none \
+  --enable-fast=O2,ndebug
+
+make
+make install DESTDIR=$PKG
+
+find $PKG -print0 | xargs -0 file | grep -e "executable" -e "shared object" | grep ELF \
+  | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null || true
+
+find $PKG/usr/man -type f -exec gzip -9 {} \;
+for i in $( find $PKG/usr/man -type l ) ; do ln -s $( readlink $i ).gz $i.gz ; rm $i ; done
+
+mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
+cp -a CHANGES COPYRIGHT README README.envvar RELEASE_NOTES $PKG/usr/doc/$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}

system/mpich/mpich.info

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+PRGNAM="mpich"
+VERSION="3.1.3"
+HOMEPAGE="http://www.mpich.org/"
+DOWNLOAD="http://www.mpich.org/static/downloads/3.1.3/mpich-3.1.3.tar.gz"
+MD5SUM="93cb17f91ac758cbf9174ecb03563778"
+DOWNLOAD_x86_64=""
+MD5SUM_x86_64=""
+REQUIRES=""
+MAINTAINER="Wainamoinen"
+EMAIL="wainamoinen@gmail.com"

system/mpich/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------------------------------------------------------|
+mpich: mpich (High-Performance Portable MPI)
+mpich:
+mpich: MPICH is a high-performance and widely portable implementation of the
+mpich: Message Passing Interface (MPI) standard (MPI-1, MPI-2 and MPI-3).
+mpich: The goals of MPICH are: to provide an MPI implementation that
+mpich: efficiently supports different computation and communication
+mpich: platforms including commodity clusters, high-speed networks and
+mpich: proprietary high-end computing systems, and to enable cutting-edge
+mpich: research in MPI through an easy-to-extend modular framework for other
+mpich: derived implementations.
+mpich: