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Instructions for building zlib UPS products

Setting up building environment

  • You need to be on a SL7 machine or docker container (e.g. dingpf/sl7:latest);
  • Have access to cvmfs;
  • create a local working directory, e.g. $PWD/products;
  • Use the following command to start the docker container: docker run --rm -it -v /cvmfs:/cvmfs -v $PWD/products:/products dingpf/sl7
  • Once inside the container, add the path to your working directory to the $PRODUCTS env with export PRODUCTS=/products:$PRODUCTS;
  • Setup UPS products area which provides gcc, e.g. source /cvmfs/dune.opensciencegrid.org/products/dune/setup_dune.sh

Steps to make a newer zlib version

  • Download an existing zlib source package with the build script in it (here is the one for v1.2.11);
  • unwind the source package tarball to /products;
  • replace the zlib tarball under /products/zlib/v1_2_11/tar/ with a newer version from zlib's official website;
  • modify /products/zlib/v1_2_11/build_zlib.sh with the new zlib version number;
  • change the directory name /products/zlib/v1_2_11 with new version number;
  • change to /products/zlib/$NEW_ZLIB_VERSION, and run ./build_zlib.sh /products <e14|e17|e19> [tar];
  • the tar option will create a tarball for the built product which you can unwind into any UPS products area.
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