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#!/bin/sh

# Slackware build script for cc65

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

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

# 20180907 bkw:
# - Update for 2.17_20180906, git commit b6ccd4d.
# - Rename git2targz.sh => git2tarxz.sh.
# - Add option to git2tarxz.sh to use a specific tag/commit.
# - Add README_SBo.txt documenting the use of git2tarxz.sh.

# 20180103 bkw:
# - Update for 2.16_20180102, git commit 040134e7.
# - "prefix" renamed to "PREFIX" in src/Makefile. For now, set both in
#   the make command, so this script can still build the previous version
#   if someone needs it.

# 20170703 bkw:
# - Update for 2.16_20170630. Upstream still hasn't done a release, but
#   again there's lots of development.
# - My self-hosted source tarball now includes the HTML documentation. This
#   script used to build it, but -current's linuxdoc-tools chokes on it,
#   and fixing it would require me a week or two probably. So, for now
#   anyway, the tarball includes docs that were built on 14.2.

# 20170129 bkw:
# - Update for v2.15_20170126, aka git 6878ede. Upstream hasn't done
#   a release since 2013 or so, but there's been lots of development.
#   Script modified enough that it can no longer build v2.13.3; use
#   the one from SBo's 14.1 repo if you need the old version for some
#   reason. Source is created from a git checkout, see git2targz.sh.

PRGNAM=cc65
VERSION=${VERSION:-2.17_20180906}
BUILD=${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 [ "$ARCH" = "i586" ]; then
  SLKCFLAGS="-O2 -march=i586 -mtune=i686"
elif [ "$ARCH" = "i686" ]; then
  SLKCFLAGS="-O2 -march=i686 -mtune=i686"
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC"
else
  SLKCFLAGS="-O2"
fi

set -e

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT $PKG/usr/doc/$PRGNAM-$VERSION
cd $TMP
rm -rf $PRGNAM-$VERSION
tar xvf $CWD/$PRGNAM-$VERSION.tar.xz
cd $PRGNAM-$VERSION
chown -R root:root .
find . -type f -print0 | xargs -0 chmod 644
find . -type d -print0 | xargs -0 chmod 755

# external CFLAGS not honored
sed -i "/^CFLAGS/s,-O[^ ]*,$SLKCFLAGS," src/Makefile

PKGDOC=$PKG/usr/doc/$PRGNAM-$VERSION
make all PREFIX=/usr prefix=/usr LDFLAGS=-Wl,-s
#make -C doc html # we use pre-generated HTML docs now
make install PREFIX=$PKG/usr prefix=$PKG/usr htmldir=$PKGDOC samplesdir=$PKGDOC/samples

# binaries already stripped, no man pages

mkdir -p $PKGDOC
cp -a README* LICENSE $PKGDOC

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}