compile-vips-for-lambda.sh

#!/bin/sh
# Script to compile vips from git for AWS lambda as dynamic binary

# Run on a fresh amzn-ami-hvm-2015.09.1.x86_64-gp2 image.
# Tested with image id ami-bff32ccc on t2.micro in eu-west-1.

set -e # abort on errors
# set -x # for debugging

echo Installing build dependencies...
sudo yum install git gcc-c++ libtool swig gtk-doc glib2-devel \
  gobject-introspection-devel libxml2-devel giflib-devel libpng-devel \
  libtiff-devel lcms2-devel ImageMagick-devel

if [ -e libvips ]; then
  echo Fetching vips master...
  cd libvips
  git fetch origin
  git checkout -f master
  git reset --hard origin/master
else
  echo Cloning vips master...
  git clone --depth 1 https://github.com/jcupitt/libvips.git
  cd libvips
fi

version=`awk '/AC_INIT/ {match($2,"[0-9.]+",a)}END{print a[0]}' < configure.ac`
revision=`git rev-parse --short HEAD`

echo Compiling and installing vips $version-$revision...
./bootstrap.sh
./configure --prefix=/tmp/vips --disable-introspection
make -j`nproc` install-strip clean

cd ..
tarball=vips-$version-$revision.tar.bz2
echo Creating tarball $tarball...
tar cvjf $tarball -C /tmp vips

rm -rf /tmp/vips
echo Finished...