#!/bin/sh

# removed Copyright info just for the post here

VERSION=1_41_0
BUILD=${BUILD:-1}

# Automatically determine the architecture we're building on:
if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) export ARCH=i486 ;;
    arm*) export ARCH=arm ;;
    # Unless $ARCH is already set, use uname -m for all other archs:
       *) export ARCH=$( uname -m ) ;;
  esac
fi

CWD=$(pwd)
TMP=${TMP:-/tmp}
PKG=$TMP/package-boost

ICU=${ICU:-no}
PKG_VERSION=$(echo $VERSION | tr _ .)	# Leave this alone

if [ "$ARCH" = "i486" ]; then
  SLKCFLAGS="-O2 -march=i486 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "s390" ]; then
  SLKCFLAGS="-O2"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC"
  LIBDIRSUFFIX="64"
fi

rm -rf $PKG
mkdir -p $TMP $PKG
cd $TMP
rm -rf boost_$VERSION
tar xvf $CWD/boost_$VERSION.tar.?z* || exit 1
cd boost_$VERSION || exit 1

chown -R root:root .
find . \
 \( -perm 777 -o -perm 775 -o -perm 711 -o -perm 555 -o -perm 511 \) \
 -exec chmod 755 {} \; -o \
 \( -perm 666 -o -perm 664 -o -perm 600 -o -perm 444 -o -perm 440 -o -perm 400 \) \
 -exec chmod 644 {} \;

# Apply Hotfixes from:
# http://svn.boost.org/trac/boost/wiki/ReleasePractices/HotFixes
#
# (none currently for this $VERSION)

# This is the python we build against:
PYTHON_VERSION=$(python -c 'import sys; print sys.version[:3]')
PYTHON_FLAGS="-sPYTHON_ROOT=/usr -sPYTHON_VERSION=$PYTHON_VERSION"

#build bjam, --prefix --libdir required?? does not bother so I leave it
./bootstrap.sh \
  --prefix=$PKG/usr \
  --libdir=$PKG/usr/lib${LIBDIRSUFFIX} 

# Create build subdirectory
mkdir obj
#Create install dirs
mkdir -p $PKG/usr/{lib$LIBDIRSUFFIX,include}

# Next,  build boost && install to DESTDIR using bjam
# since there is no pkg-config files ore something else that includes path infos
# build && install to DESTDIR should be ok
./bjam \
  "-sNO_COMPRESSION=0" \
  "-sZLIB_INCLUDE=/usr/include" \
  "-sZLIB_LIBPATH=/usr/lib${LIBDIRSUFFIX}" \
  "-sBZIP2_INCLUDE=/usr/include" \
  "-sBZIP2_LIBPATH=/usr/lib${LIBDIRSUFFIX}" \
  "-sEXPAT_INCLUDE=/usr/include" \
  "-sEXPAT_LIBPATH=/usr/lib${LIBDIRSUFFIX}" \
  --toolset=gcc \
  --layout=system variant=release threading=multi link=shared \
  --builddir=obj \
  --prefix=$PKG/usr \
  --libdir=$PKG/usr/lib${LIBDIRSUFFIX} \
  --build-type=minimal \
  $PYTHON_FLAGS \
  stage -d+2 -q install
# TODO --build-type=minimal and stage, why?

#this is not required cause the libs are compiled -O3 and striped within install 
#find $PKG | xargs file | grep -e "executable" -e "shared object" \
#  | grep ELF | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null

#adding -mt links
( cd $PKG/usr/lib${LIBDIRSUFFIX}

  for LIBLNK in $(ls *.so.${PKG_VERSION} ); do
	BASE=$(basename ${LIBLNK} .so.${PKG_VERSION})
	LNK_MT="$BASE-mt.so"
	ln -sf $LIBLNK $LNK_MT
  done  

  for STATICLIB in $(ls *.a ); do
	BASE=$(basename ${STATICLIB} .a)
	LNK_MT="${BASE}-mt.a"
	ln -sf $STATICLIB $LNK_MT
  done  
)


mkdir -p $PKG/usr/doc/boost-$PKG_VERSION
# Do not copy 44MB of developer 'doc/html' into our package...
cp -a LICENSE_1_0.txt $PKG/usr/doc/boost-$PKG_VERSION
find $PKG/usr/doc -type f -exec chmod 0644 {} \;

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

cd $PKG
/sbin/makepkg -l y -c n /tmp/boost-$PKG_VERSION-$ARCH-$BUILD.txz