cannam@133: #! /usr/bin/env bash
cannam@133: 
cannam@133: set -euo pipefail
cannam@133: 
cannam@133: if ! uname | grep -iq Linux; then
cannam@133:   echo "Sorry, Ekam only works on Linux right now." >&2
cannam@133:   exit 1
cannam@133: fi
cannam@133: 
cannam@133: echo -n "Looking for compiler... "
cannam@133: if [ "x${CXX:-}" == "x" ]; then
cannam@133:   if ! (g++ --version | grep -q ' 4[.][789][.]'); then
cannam@133:     if which g++-4.7 > /dev/null; then
cannam@133:       CXX=g++-4.7
cannam@133:     elif which g++-4.8 > /dev/null; then
cannam@133:       CXX=g++-4.8
cannam@133:     else
cannam@133:       echo "none"
cannam@133:       echo "Please install G++ 4.7 or better.  Or, set the environment variable CXX " >&2
cannam@133:       echo "to a compiler that you think will work." >&2
cannam@133:       exit 1
cannam@133:     fi
cannam@133:   else
cannam@133:     CXX=g++
cannam@133:   fi
cannam@133: fi
cannam@133: 
cannam@133: echo "$CXX"
cannam@133: export CXX
cannam@133: 
cannam@133: if [ ! -e .ekam ]; then
cannam@133:   echo "================================================================================"
cannam@133:   echo "Fetching Ekam and Protobuf code..."
cannam@133:   echo "================================================================================"
cannam@133:   hg clone https://code.google.com/p/kentons-code/ .ekam
cannam@133: 
cannam@133:   # You don't want these.
cannam@133:   rm -rf .ekam/src/modc .ekam/src/evlan
cannam@133: fi
cannam@133: 
cannam@133: if [ ! -e .ekam/src/protobuf ]; then
cannam@133:   echo "================================================================================"
cannam@133:   echo "Fetching Protobuf code..."
cannam@133:   echo "================================================================================"
cannam@133:   svn checkout http://protobuf.googlecode.com/svn/tags/2.5.0/ .ekam/src/protobuf
cannam@133: fi
cannam@133: 
cannam@133: if [ ! -e .ekam/src/protobuf/src/config.h ]; then
cannam@133:   echo "================================================================================"
cannam@133:   echo "Configuring Protobuf..."
cannam@133:   echo "================================================================================"
cannam@133:   pushd .ekam/src/protobuf > /dev/null
cannam@133:   ./autogen.sh
cannam@133:   ./configure
cannam@133:   cp config.h src
cannam@133:   make maintainer-clean
cannam@133:   popd
cannam@133: fi
cannam@133: 
cannam@133: if ! which ekam > /dev/null; then
cannam@133:   if [ ! -e .ekam/bin/ekam ]; then
cannam@133:     echo "================================================================================"
cannam@133:     echo "Bootstrapping Ekam..."
cannam@133:     echo "================================================================================"
cannam@133:     pushd .ekam > /dev/null
cannam@133:     ./bootstrap.sh
cannam@133:     popd
cannam@133:   fi
cannam@133: else
cannam@133:   echo "================================================================================"
cannam@133:   echo "Using already-installed ekam binary: $(which ekam)"
cannam@133:   echo "================================================================================"
cannam@133: fi
cannam@133: 
cannam@133: if [ ! -e src/base ]; then
cannam@133:   ln -s ../.ekam/src/base src/base
cannam@133: fi
cannam@133: if [ ! -e src/os ]; then
cannam@133:   ln -s ../.ekam/src/os src/os
cannam@133: fi
cannam@133: if [ ! -e src/ekam ]; then
cannam@133:   ln -s ../.ekam/src/ekam src/ekam
cannam@133: fi
cannam@133: if [ ! -e src/protobuf ]; then
cannam@133:   ln -s ../.ekam/src/protobuf src/protobuf
cannam@133: fi
cannam@133: 
cannam@133: echo "================================================================================"
cannam@133: echo "All done..."
cannam@133: echo "================================================================================"
cannam@133: echo "Try:"
cannam@133: echo "  make -f Makefile.ekam once"
cannam@133: echo "  make -f Makefile.ekam continuous"
cannam@133: echo "  make -f Makefile.ekam continuous-opt"