#!/bin/sh
CWD=$(pwd)
TMP=/tmp
PKG=$TMP/package-binutils
rm -rf $PKG
mkdir -p $PKG/usr

VERSION=2.17.50.0.17
ARCH=${ARCH:-x86_64}
DISTRO=${DISTRO:-slamd64}
BUILD=${BUILD:-1}

if [ $DISTRO = slackware ]; then
	PKGARCH=$ARCH
else
	PKGARCH=${ARCH}_${DISTRO}
fi

if [ "$ARCH" = "i386" ]; then
  SLKCFLAGS="-O2 -march=i386 -mcpu=i686"
elif [ "$ARCH" = "i486" ]; then
  SLKCFLAGS="-O2 -march=i486 -mtune=i686"
elif [ "$ARCH" = "s390" ]; then
  SLKCFLAGS="-O2"
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC"
else
  SLKCFLAGS="-O2"
fi

cd $TMP
rm -rf binutils-$VERSION
tar xjvf $CWD/binutils-$VERSION.tar.bz2
cd binutils-$VERSION
chown -R root:root .
find . -perm 664 -exec chmod 644 {} \;
find . -perm 600 -exec chmod 644 {} \;
find . -perm 444 -exec chmod 644 {} \;
find . -perm 400 -exec chmod 644 {} \;
find . -perm 440 -exec chmod 644 {} \;
find . -perm 777 -exec chmod 755 {} \;
find . -perm 775 -exec chmod 755 {} \;
find . -perm 511 -exec chmod 755 {} \;
find . -perm 711 -exec chmod 755 {} \;
find . -perm 555 -exec chmod 755 {} \;

LIBSUFFIX=

if [ $DISTRO = slamd64 ]; then # or any other multilib distro
	zcat $CWD/binutils-2.17-genscripts_multilib-1.diff.gz | patch -p1 --verbose || exit 1
	LIBSUFFIX=64
fi

if [ $ARCH = i386 -o \
     $ARCH = i486 -o \
     $ARCH = i586 -o \
     $ARCH = i686 -o \
     $ARCH = x86_64 ]; then
echo "Building for an x86(_64) glibc2-based Linux system for $DISTRO (libdir: /usr/lib$LIBSUFFIX)..."
CFLAGS="$SLKCFLAGS" \
./configure \
  --prefix=/usr \
	--libdir=/usr/lib$LIBSUFFIX \
  --enable-shared \
  --enable-targets=$ARCH-$DISTRO-linux,$ARCH-$DISTRO-linux-gnulibc1,$ARCH-$DISTRO-linux-gnuaout \
  --enable-64-bit-bfd \
  $ARCH-$DISTRO-linux || exit 1
else # make no assumptions
echo "Building for an $ARCH system for $DISTRO (libdir: /usr/lib$LIBSUFFIX)..."
CFLAGS="$SLKCFLAGS" \
./configure \
  --prefix=/usr \
  --enable-shared \
	--libdir=/usr/lib$LIBSUFFIX \
  --enable-64-bit-bfd \
  $ARCH-$DISTRO-linux || exit 1
fi

make clean || exit 1
make -j6 || exit 1
make info || exit 1
# Needed to link ksymoops:
make install || exit 1
# We need to clear ldscripts/ because binutils doesn't implement DESTDIR everywhere:
rm -rf /usr/lib${LIBSUFFIX}/ldscripts /usr/${ARCH}-${DISTRO}-linux/lib/ldscripts
# Repopulate it:
make install || exit 1
# Install into the $PKG location:
make install DESTDIR=$PKG || exit 1
# Add fresh ldscripts:
cp -a /usr/${ARCH}-${DISTRO}-linux/lib/ldscripts $PKG/usr/lib${LIBSUFFIX}

# Missing?
cp -a gas/doc/as.1 $PKG/usr/man/man1

# "make install" skips this, but binutils.spec doesn't.  Sneaky, huh?
cp -a include/libiberty.h $PKG/usr/include/libiberty.h

mkdir -p $PKG/usr/doc/binutils-$VERSION
install -m 644 -o root -g root $CWD/release.binutils-* $PKG/usr/doc/binutils-$VERSION
cp -a COPYING* ChangeLog.linux MAI* README* $PKG/usr/doc/binutils-$VERSION

rm -rf $PKG/usr/info
mkdir -p $PKG/usr/info
find . -name "as.info*" -exec cp -a {} $PKG/usr/info \;
find . -name "bfd.info*" -exec cp -a {} $PKG/usr/info \;
find . -name "ld.info*" -exec cp -a {} $PKG/usr/info \;
find . -name "gasp.info*" -exec cp -a {} $PKG/usr/info \;
find . -name "gprof.info*" -exec cp -a {} $PKG/usr/info \;
find . -name "binutils.info*" -exec cp -a {} $PKG/usr/info \;
gzip -9 $PKG/usr/info/*

( cd $PKG/usr/bin ; mv strings strings-GNU )
( cd $PKG/usr/man/man1 ; mv strings.1 strings-GNU.1 )

# Add slack-desc:
mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc

# Now we must remember to adjust ldscripts (real dir is /usr/lib/ldscripts/,
# links go in /usr/*-linux/lib/ ), and the bin links:
mkdir -p $PKG/usr/${ARCH}-${DISTRO}-linux/lib
( cd $PKG/usr/${ARCH}-${DISTRO}-linux/lib ; rm -rf ldscripts ; ln -sf /usr/lib${LIBSUFFIX}/ldscripts . )
mkdir -p $PKG/usr/${ARCH}-${DISTRO}-linux/bin
( cd $PKG/usr/${ARCH}-${DISTRO}-linux/bin
  for file in * ; do
    if [ -r "/usr/bin/$file" ]; then
      rm $file
      ln -sf /usr/bin/$file .
    fi
  done
)

# Docs adjustment:
( cd $PKG/usr/man/man1
  rm -f dlltool.1 windres.1
  for file in addr2line.1 ar.1 as.1 c++filt.1 gprof.1 ld.1 nlmconv.1 nm.1 objcopy.1 objdump.1 ranlib.1 readelf.1 size.1 strings-GNU.1 strip.1 ; do
    gzip -9 --force $file
  done
)

# By adding ksymoops to the binutils package, we can use the dynamic
# libbfd and make the binary about 500K smaller.

cd $CWD
sh ./ksymoops.build

( cd $PKG
  find -type f | xargs file | grep ELF | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null
  find -type f | xargs file | grep ELF | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null
)

cd $PKG
makepkg -l y -c n $TMP/binutils-$VERSION-$PKGARCH-$BUILD.tgz

cat << EOF

#############################
oprofile links to libbfd so
be sure to recompile that
#############################

EOF