#!/bin/sh

# Slackware build script for as31

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

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

PRGNAM=as31
VERSION=${VERSION:-2.3.1}
BUILD=${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

# For some reason, upstream uses colons for separators in its URL.
# Some clients might save the file with hex escapes in the name...
# If all else fails, accept SRC from the environment.
for i in "${SRC:-$PRGNAM-$VERSION.tar.gz}" \
         "wiki:projects:linux:as31:$PRGNAM-$VERSION.tar.gz" \
         "wiki%3Aprojects%3Alinux%3Aas31%3A$PRGNAM-$VERSION.tar.gz";
do
  [ -e "$CWD/$i" ] && SRC="$CWD/$i"
done

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $PRGNAM-$VERSION
tar xvf $SRC
cd $PRGNAM-$VERSION
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 {} \+

# Patch from Debian, check return value from getline(), seems like
# a good idea.
patch -p1 < $CWD/as31-fix-duplicate-line.patch

CFLAGS="$SLKCFLAGS" \
CXXFLAGS="$SLKCFLAGS" \
sh ./configure \
  --prefix=/usr \
  --libdir=/usr/lib${LIBDIRSUFFIX} \
  --sysconfdir=/etc \
  --localstatedir=/var \
  --mandir=/usr/man \
  --build=$ARCH-slackware-linux

# parser.c is generated from parser.y. Using the supplied one causes
# location counter overlaps errors, on x86_64.
( cd $PRGNAM && rm -f parser.c && make parser.c )

make
make install-strip DESTDIR=$PKG
gzip -9 $PKG/usr/man/man1/$PRGNAM.1

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION/examples
cp -a COPYING AUTHORS ChangeLog NEWS README $PKG/usr/doc/$PRGNAM-$VERSION
cp -a examples/*.asm examples/*.ref $PKG/usr/doc/$PRGNAM-$VERSION/examples
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}