INSTALL

#!/bin/bash

# Script to install required external packages

# Get the OS
OS=$(uname -s)

# Set location of WFM
WFM_DIR=$(pwd)

# Set location where tarfiles for packages are kept
TAR_DIR=${WFM_DIR}/tarfiles

# Set location where packages are built
BUILD_DIR=${WFM_DIR}/build

# Set the location where libraries are installed
LIB_DIR=${WFM_DIR}/lib

# Process arguments
for arg in $@; do
  case $arg in
    --with-ruby=*) RUBY=$(echo $arg | cut -f 2 -d "=")/bin/ruby;;
    -h|--help) echo
               echo "Run this script to install the Workflow Manager"
               echo
               echo "INSTALL [--with-ruby=/path/to/ruby]"
               echo
               exit;;
    *)
  esac 
done

# Make sure a ruby is specified
if [ -z "$RUBY" ]; then
  RUBY=$(which ruby 2>/dev/null)
  if [ $? -ne 0 ]; then
    echo "Can not find ruby.  Use --with-ruby to specify path where ruby is installed."
    exit 1
  fi
fi

# Make sure ruby exists
if [ -x $RUBY ]; then
  echo "Installing using $RUBY"
else
  echo "Installation failed.  $RUBY does not exist.  Use --with-ruby to specify path where ruby is installed."
  exit 1
fi

# Abort if any command returns an error
set -e

# Make sure ruby is at least 2.4.0 or higher
good_ruby=$($RUBY -e "puts RUBY_VERSION >= '2.4.0'")
if [ "$good_ruby" = "false" ]; then
  echo "Ruby 2.4.0 or higher is required"
  exit 1
fi

# Replace ruby shebangs with path to ruby
for file in $(ls sbin | grep -v '\.sh'); do

  # Skip files that are links
  if [ -L sbin/$file ]; then
    continue
  fi

  # Replace first line with correct shebang
  sed "1s:.*:#!${RUBY}:" sbin/$file > sbin/$file.new
  mv sbin/$file.new sbin/$file

  # Add path to libxml2 for AIX
  if [ "$OS" = "AIX" ]; then
    sed "2s%.*%ENV['LIBPATH']=\"${LIB_DIR}/libxml2/lib:#{ENV['LIBPATH']}\"%" sbin/$file > sbin/$file.new
    mv sbin/$file.new sbin/$file
  fi

  # Make sure the new file is executable
  chmod ugo+x sbin/$file

done

# Package versions
LIBXML2_VERSION="2.12.6"
LIBXML_RUBY_VERSION="5.0.3"
SYSTEMTIMER_VERSION="1.2.3"
SQLITE3_VERSION="autoconf-3450300"
SQLITE3_RUBY_VERSION="1.7.3"
OPEN4_VERSION="1.3.4"
RUBYSL_DATE_VERSION="2.0.9"
RUBYSL_PARSEDATE_VERSION="1.0.1"
THREAD_VERSION="0.2.2"

# Set AIX_CFLAGS and AIX_LDFLAGS
if [ "$OS" = "AIX" ]; then
  AIX_CFLAGS="-maix64 -g0"
  AIX_LDFLAGS="-maix64 -g0"
else
  AIX_CFLAGS=""
  AIX_LDFLAGS=""
fi

# Create the build directory
mkdir -p ${BUILD_DIR}

# Install rubysl-date
echo "==========================================="
echo "= INSTALLING rubysl-date"
echo "==========================================="
cd ${LIB_DIR}
gunzip -c ${TAR_DIR}/rubysl-date-${RUBYSL_DATE_VERSION}.tar.gz | tar -xvf -
rm -rf rubysl-date
mv rubysl-date-${RUBYSL_DATE_VERSION} rubysl-date

# Install rubysl-parsedate
echo "==========================================="
echo "= INSTALLING rubysl-parsedate"
echo "==========================================="
cd ${LIB_DIR}
gunzip -c ${TAR_DIR}/rubysl-parsedate-${RUBYSL_PARSEDATE_VERSION}.tar.gz | tar -xvf -
rm -rf rubysl-parsedate
mv rubysl-parsedate-${RUBYSL_PARSEDATE_VERSION} rubysl-parsedate

# Install Open4
echo "==========================================="
echo "= INSTALLING Open4"
echo "==========================================="
cd ${LIB_DIR}
gunzip -c ${TAR_DIR}/open4-${OPEN4_VERSION}.tar.gz | tar -xvf -
rm -rf open4
mv open4-${OPEN4_VERSION} open4

# Install libxml2
echo "==========================================="
echo "= INSTALLING libxml2                      ="
echo "==========================================="
cd ${BUILD_DIR}
unxz -c ${TAR_DIR}/libxml2-${LIBXML2_VERSION}.tar.xz | tar -xvf -
cd libxml2-${LIBXML2_VERSION}
if [ "$LIBXML2_VERSION" = "2.9.0" ]; then    # version 2.9.0 requires must be patched
  echo "==========================================="
  echo "= PATCHING libxml2                        ="
  echo "==========================================="
  patch -p1 -i ${TAR_DIR}/libxml2-2.9.0.patch
fi
export OBJECT_MODE=64
./configure --prefix=${LIB_DIR}/libxml2 CFLAGS="$AIX_CFLAGS" LDFLAGS="$AIX_LDFLAGS" --without-python
make clean
make
rm -rf ${LIB_DIR}/libxml2
make install

# Install libxml-ruby
echo "==========================================="
echo "= INSTALLING libxml-ruby                  ="
echo "==========================================="
libxml2_opts="--with-xml2-lib=${LIB_DIR}/libxml2/lib --with-xml2-include=${LIB_DIR}/libxml2/include/libxml2"
cd ${BUILD_DIR}
gunzip -c ${TAR_DIR}/libxml-ruby-${LIBXML_RUBY_VERSION}.tar.gz | tar -xvf -
cd libxml-ruby-${LIBXML_RUBY_VERSION}/ext/libxml
echo ${RUBY} extconf.rb $libxml2_opts
${RUBY} extconf.rb $libxml2_opts
if [ "$OS" = "AIX" ]; then
  :
else
  sed -i "/^ldflags/ s:$: -Wl,-rpath,${LIB_DIR}/libxml2/lib:" Makefile
fi
make clean
make
rm -rf ${LIB_DIR}/libxml-ruby
mkdir ${LIB_DIR}/libxml-ruby
cp -r ${BUILD_DIR}/libxml-ruby-${LIBXML_RUBY_VERSION}/lib/* ${LIB_DIR}/libxml-ruby
cp libxml_ruby.so ${LIB_DIR}/libxml-ruby

# Install sqlite3
echo "==========================================="
echo "= INSTALLING sqlite3                      ="
echo "==========================================="
cd ${BUILD_DIR}
unxz -c ${TAR_DIR}/sqlite-${SQLITE3_VERSION}.tar.xz | tar -xvf -
cd sqlite-${SQLITE3_VERSION}
./configure --prefix=${LIB_DIR}/sqlite3 CFLAGS="-Os -DSQLITE_ENABLE_COLUMN_METADATA -DSQLITE_THREADSAFE=1 $AIX_CFLAGS $AIX_CFLAGS" LD_FLAGS="$AIX_LDFLAGS"
make clean
make
rm -rf ${LIB_DIR}/sqlite3
make install

# Install sqlite3-ruby
echo "==========================================="
echo "= INSTALLING sqlite3-ruby                 ="
echo "==========================================="
cd ${BUILD_DIR}
gunzip -c ${TAR_DIR}/sqlite3-ruby-${SQLITE3_RUBY_VERSION}.tar.gz | tar -xvf -
cd sqlite3-ruby-${SQLITE3_RUBY_VERSION}/ext/sqlite3
export LD_RUN_PATH=${LIB_DIR}/sqlite3/lib
${RUBY} extconf.rb -- --with-sqlite3-include=${LIB_DIR}/sqlite3/include --with-sqlite3-lib=${LIB_DIR}/sqlite3/lib --enable-system-libraries
make clean
make
rm -rf ${LIB_DIR}/sqlite3-ruby
mkdir ${LIB_DIR}/sqlite3-ruby
cp -r ${BUILD_DIR}/sqlite3-ruby-${SQLITE3_RUBY_VERSION}/lib/* ${LIB_DIR}/sqlite3-ruby
cp sqlite3_native.so ${LIB_DIR}/sqlite3-ruby/sqlite3
unset LDFLAGS

# Insteall thread
echo "==========================================="
echo "= INSTALLING Thread"
echo "==========================================="
cd ${LIB_DIR}
gunzip -c ${TAR_DIR}/thread-${THREAD_VERSION}.tar.gz | tar -xvf -
rm -rf thread
mv thread-${THREAD_VERSION} thread