#!/bin/sh

# Slackware build script for cc65

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

# Licensed under the WTFPL. See http://sam.zoy.org/wtfpl/ for details.

PRGNAM=cc65
VERSION=${VERSION:-2.13.3}
BUILD=${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 [ "$ARCH" = "i486" ]; then
  SLKCFLAGS="-O2 -march=i486 -mtune=i686"
elif [ "$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-sources-$VERSION.tar.bz2
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 \
 \( -perm 666 -o -perm 664 -o -perm 600 -o -perm 444 -o -perm 440 -o -perm 400 \) \
 -exec chmod 644 {} \;

# external CFLAGS not honored, fix 'em with perlery:
find . -name gcc.mak | xargs perl -i -pe \
		  'if(/^CFLAGS\s*=/) { s/-g\b//; s/-O\d/'"$SLKCFLAGS"'/; }'

make -j1 -f make/gcc.mak prefix=/usr

# for some reason, the install script isn't creating this directory in 2.13.3,
# though it used to in 2.13.2
mkdir -p $PKG/usr/lib/cc65/tgi

make -j1 -f make/gcc.mak install prefix=$PKG/usr docdir=$PKG/usr/doc/$PRGNAM-$VERSION

# binaries already stripped, no man/info pages

# easier to cleanup afterwards than force 'make install' to do the docs right:
( cd $PKG/usr/doc/$PRGNAM-$VERSION && mv cc65/* . && rmdir cc65 )

rmdir $PKG/usr/share # why is this even created? *shrug*

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}