Shell Script to Compile and Install protobuf v2.6.0 on Ubuntu

protobuf_2_6_0_ubuntu_install.sh

# Installs protobuf 2.6.0 on Ubuntu (currently not a deb package ugh)

protodir=protobuf-2.6.0
filename="$(protodir).tar.gz"
known_md5=9959d86087e64524d7f91e7a5a6e4fd7
builddir="$(mktemp -d $TMPDIR/protobuild.XXXXXX)"

if [ ! -d $builddir ]; then
  echo "$0: Can't create temp build dir! WTF??!"
  exit 1
fi

echo "Entering $builddir"
pushd $builddir

echo "Fetching $filename"
curl -k https://protobuf.googlecode.com/svn/rc/protobuf-2.6.0.tar.gz > $filename

echo "Checking md5 of $filename"
md5=$(md5sum $filename | awk '{print $1}')

if [ "$md5" = "$known_md5" ]; then
  echo 'md5 sums match'
else
  echo "md5 sums do not match!\nexpected: $known_md5\nactual: $md5"
  exit 1
fi

echo "Unpacking $filename"
tar -xzf $filename


echo "Entering $builddir/$protodir"
pushd $protodir

echo "Installing $protodir"
set -x
./configure --prefix=/usr
make
make check
sudo make install
set +x

echo "Cleaning up..."
popd
rm -rf $filename $protodir

popd
echo "Done!"