arminstall

#!/bin/sh
# install ruby 1.8.7p352 build for arm-linux -- 9/1/15 brent@mbari.org
# also install modules needed for ESP unless 
#   coreOnly environment variable is set
#
# remove all fields $1 from list delminited by $2 starting with $3
# send the filtered version of $2 to stdout
remove ()
{
  toDelete=$1
  IFS=$2
  shift 2
  [ "$@" ] && {
    set $@
    unset separator
    for field; do
      if [ "$field" != "$toDelete" ]; then
        echo -n "$separator$field"
        separator=$IFS
      fi
    done
  }
}

startDir=$PWD
: ${HOSTTOP:=$HOME/armHost}
: ${ARMGCC:=/arm}
: ${ARMPREFIX:=$ARMGCC/usr}
: ${ARMSTRIP:=$ARMGCC/bin/strip}
: ${TARGETTOP:=/opt/mbari}
: ${TOP:=$HOSTTOP$TARGETTOP}
export DESTDIR=$HOSTTOP

echo "Installing in $HOSTTOP"
echo "  for execution at $TARGETTOP on the ARM target"

PATH=`remove . : $PATH`  #remove current directory from PATH
srctop=$PWD
echo Building ruby for $ARMHOST target
rbcfg=rbconfig.rb
make RUBYLIB=$srctop/lib -o miniruby fake.rb ./.rbconfig.time

#This is required so that ruby's extmk.rb script will look in the target
#libs when checking dependencies.
export prefix=$ARMPREFIX

rm -rf $TOP/bin/ruby $TOP/lib/ruby &&
mkdir -p $TOP &&
make RUBYLIB=$srctop/lib EXTLDFLAGS="$EXTLDFLAGS" -o miniruby -j4 prefix=$prefix all &&
make RUBYLIB=$srctop/lib EXTLDFLAGS="$EXTLDFLAGS" -o miniruby install || exit 1
[ -n "$coreOnly" ] || {
  echo "   Installing extensions required by MBARI ESP:"
  cd $startDir
  PATH=.:$PATH
  buildUtils clean install || exit 9
}

echo "Changing prefix from $ARMGCC to $TARGETTOP in $rbcfg"
cd $srctop &&
sed -e "s:+ \"$prefix\":+ \"$TARGETTOP\":" $rbcfg >$rbcfg.patched &&
mv -f $rbcfg.patched $rbcfg || {
  echo "Failed to patch $rbcfg"
  exit 2
}

cd $TOP || exit 2

echo "Stripping, Deleting docs, intermediate files and empty directories"
rm -rf share lib/ruby/1.8/rdoc lib/ruby/1.8/test/unit/ui
rm -f lib/libruby*.a
rm -f `find lib/ruby -name "*.[aoh]"` #remove all development intermediate files
find lib/ruby/1.8 -depth -type d \
  -exec rmdir {} --ignore-fail-on-non-empty \;
objs="bin/ruby `find lib/ruby -name "*.so*"`"
chmod +w $objs &&
$ARMSTRIP $objs &&
chmod -w $objs || exit 8

librt=`echo $ARMGCC/lib/librt-*.so`
[ -r $librt ] && {
  echo "Copying and stripping librt and libpthread from $ARMGCC/lib"
  $ARMSTRIP $librt -o $DESTDIR/lib/`basename $librt` &&
  cp -a $ARMGCC/lib/librt.so* $DESTDIR/lib || exit 7
}
libpthread=`echo $ARMGCC/lib/libpthread-*.so`
[ -r $libpthread ] && {
  $ARMSTRIP $libpthread -o $DESTDIR/lib/`basename $libpthread` &&
  cp -a $ARMGCC/lib/libpthread.so* $DESTDIR/lib || exit 8
}
echo "Successfully Installed Ruby environment at $TOP"