#!/bin/bash

# Slackware build script for vttest

# Written by B. Watson (yalhcru@gmail.com)

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

# 20210220 bkw: update for 2.7.20210210.
# 20201025 bkw: update for 2.7.20200920.
# 20200316 bkw: update for 2.7.20200303.
# 20191130 bkw: update for 2.7.20190710.
# 20180920 bkw: update for 2.7.20180911 (whoops!).
# 20180915 bkw: update for 2.7.20180811.

PRGNAM=vttest
VERSION=${VERSION:-2.7.20210210}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}

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

# 20180618 bkw:
# The "2.7" part of the version number isn't part of the filename nor the
# extracted directory. I could just use the date/time as VERSION but I
# want it to match the documentation (CHANGES file, and the mention of
# "post version 1.7 tests" on the web site). Using rev here in case
# the version ever has 3 components (2.7.1 rather than 2.7, eg).
TARVER="$( echo $VERSION | rev | cut -d. -f1 | rev )"

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $PRGNAM-$TARVER
tar xvf $CWD/$PRGNAM-$TARVER.tgz
cd $PRGNAM-$TARVER
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 {} \+

# Check CHANGES to make sure the version hasn't updated. Nobody but me
# should ever see this error message (in the grand tradition of error
# messages that say "This never happens").
MAJMIN="$( echo $VERSION | rev | cut -d. -f2- | rev )"
REALVER="$( grep '^VERSION' CHANGES | head -1 | sed 's,.* ,,' )"

if [ "$REALVER" != "$MAJMIN" ]; then
  cat 1>&2 <<EOF

*** VERSION=$VERSION, the $MAJMIN part is wrong, doesn't match
*** VERSION $REALVER in CHANGES file.
*** Fix the build! If you are not the maintainer, please copy/paste
*** this message and mail it to the maintainer.

EOF
  exit 1
fi

# Old configure script, works, but doesn't accept --docdir and doesn't
# support 'make install-strip'.
CFLAGS="$SLKCFLAGS" \
CXXFLAGS="$SLKCFLAGS" \
./configure \
  --prefix=/usr \
  --libdir=/usr/lib${LIBDIRSUFFIX} \
  --sysconfdir=/etc \
  --localstatedir=/var \
  --mandir=/usr/man \
  --build=$ARCH-slackware-linux

make
make install DESTDIR=$PKG

strip $PKG/usr/bin/$PRGNAM
gzip -9 $PKG/usr/man/man1/$PRGNAM.1

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a BUGS CHANGES COPYING MANIFEST 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}