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#!/bin/bash

# Slackware build script for v7sh

# Written by B. Watson (urchlay@slackware.uk)

# Licensed under the WTFPL. See http://www.wtfpl.net/txt/copying/ for details.

# Notes:

# - The source tarball is called v7_sh, but the existing FreeBSD
#   port of the Version 7 shell is called v7sh. I prefer the name
#   without the underscore, if only because it's easier to type.

# - I put the shell in /bin/v7sh, and add it to /etc/shells in doinst.sh,
#   meaning it'll work as a login shell (if anyone's feeling *that*
#   nostalgic...)

cd $(dirname $0) ; CWD=$(pwd)

PRGNAM=v7sh
SRCNAM=v7_sh
VERSION=${VERSION:-20100108}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}
PKGTYPE=${PKGTYPE:-tgz}

if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) ARCH=i586 ;;
    arm*) ARCH=arm ;;
       *) ARCH=$( uname -m ) ;;
  esac
fi

if [ ! -z "${PRINT_PACKAGE_NAME}" ]; then
  echo "$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE"
  exit 0
fi

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
tar xvf $CWD/$SRCNAM.tar.gz
cd $SRCNAM
chown -R root:root .
find -L .  -perm /111 -a \! -perm 755 -a -exec chmod 755 {} \+ -o \
        \! -perm /111 -a \! -perm 644 -a -exec chmod 644 {} \+

# add timestamp and section/header info to man page
sed -i \
    -e '/^\.TH/s|$| "January 8, 2010" "SlackBuilds.org" "UNIX 7th Edition"|' \
    sh.1

make CFLAGS="$SLKCFLAGS -fcommon"

# no 'make install' target. it's just the binary, man page, and docs.
PKGDOC=$PKG/usr/doc/$PRGNAM-$VERSION
mkdir -p $PKG/{bin,usr/man/man1} $PKGDOC
install -s sh $PKG/bin/$PRGNAM
gzip -9c < sh.1 > $PKG/usr/man/man1/$PRGNAM.1.gz
install -m0644 CHANGES NOTICE.pdf README Version changes_since_v7 $PKGDOC
cat $CWD/$PRGNAM.SlackBuild > $PKGDOC/$PRGNAM.SlackBuild

mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc
cat $CWD/doinst.sh > $PKG/install/doinst.sh

cd $PKG
/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE