cannam@153: #!/bin/bash
cannam@153: 
cannam@153: set -eu
cannam@153: 
cannam@153: mydir=$(dirname "$0")
cannam@153: 
cannam@153: case "$mydir" in
cannam@153:     /*) ;;
cannam@153:     *) mydir=$(pwd)/"$mydir";;
cannam@153: esac
cannam@153: 
cannam@153: parent_dir=$(echo "$mydir/../..")
cannam@153: 
cannam@153: sibling_dir() {
cannam@153:     local name="$1"
cannam@153:     local dir=$parent_dir/"$name"
cannam@153:     local simplified=""
cannam@153:     while true; do
cannam@153:         simplified=$(echo "$dir" | sed 's,/[a-z][a-z-]*/../,/,')
cannam@153:         simplified=$(echo "$simplified" | sed 's,/./,/,')
cannam@153:         if [ "$simplified" = "$dir" ]; then break
cannam@153:         else dir="$simplified"
cannam@153:         fi
cannam@153:     done
cannam@153:     echo "$dir"
cannam@153: }
cannam@153: 
cannam@153: explain_and_exit() {
cannam@153:     cat 1>&2 <<EOF
cannam@153: 
cannam@153:     To build the examples and the generator program found here, you
cannam@153:     will need the following sibling directories. (That is, other
cannam@153:     repositories of code checked out in the same place locally as the
cannam@153:     piper-vamp-js repository is.)
cannam@153: 
cannam@153:     * vamp-plugin-sdk   - The Vamp plugin SDK and example plugins
cannam@153:     * piper             - The Piper protocol schema
cannam@153:     * piper-vamp-cpp    - C++ classes for Piper/Vamp adaptation
cannam@153:     * vamp-test-plugin  - Vamp Test Plugin, used as one of our examples
cannam@153: 
cannam@153:     You will also need the Emscripten compiler (em++) to build the
cannam@153:     example modules, the node.js environment to test loading them,
cannam@153:     and any further C/C++ libraries needed for the generator program
cannam@153:     such as the Sord RDF store.
cannam@153: 
cannam@153: EOF
cannam@153:     exit 2
cannam@153: }
cannam@153: 
cannam@153: for sibling in vamp-plugin-sdk piper piper-vamp-cpp vamp-test-plugin ; do
cannam@153:     dir=$(sibling_dir "$sibling")
cannam@153:     if [ ! -d "$parent_dir/$sibling" ]; then
cannam@153:         echo 1>&2
cannam@153:         echo "*** Failed to find sibling directory $sibling" 1>&2
cannam@153:         echo "*** (expected in full path: $dir)" 1>&2
cannam@153:         explain_and_exit
cannam@153:     fi
cannam@153: done
cannam@153: 
cannam@161: if ! em++ -v >/dev/null 2>&1 ; then
cannam@161:     em++ -v
cannam@161:     echo 1>&2
cannam@161:     echo "*** Failed to find or run required program em++" 1>&2
cannam@161:     explain_and_exit
cannam@161: fi
cannam@161: 
cannam@161: if ! nodejs -v >/dev/null 2>&1 ; then
cannam@161:     if ! node -v >/dev/null 2>&1 ; then
cannam@161:         nodejs -v
cannam@161:         node -v
cannam@153:         echo 1>&2
cannam@161:         echo "*** Failed to find or run required program node (as either nodejs or node)" 1>&2
cannam@153:         explain_and_exit
cannam@153:     fi
cannam@161: fi
cannam@153: 
cannam@153: