.travis.yml

language: c++
before_install:
  - sudo chmod +x runtests.sh
  - sudo apt-get update -qq
  - sudo apt-get install gdb # to capture backtrace of eventual failures
  # - sudo apt-get purge libopenblas-base # fixes PPA Octave 4.0 crash on Travis

  # add PPA repo to use latest GNU Octave release
  - sudo add-apt-repository ppa:octave/stable --yes
  - sudo apt-get update --yes --force-yes

# dependencies
  - sudo apt-get install octave --yes --force-yes
  - sudo apt-get install liboctave-dev --yes --force-yes
  - sudo apt-get install git --yes --force-yes
  - export MATRAD=`pwd`

# IpOpt in Ubuntu repo is too old
#sudo apt-get install coinor-libipopt-dev --yes --force-yes
# Compiling IpOpt
  - cd ..
  - mkdir IpoptMUMPS
  - cd IpoptMUMPS
  - wget https://www.coin-or.org/download/source/Ipopt/Ipopt-3.12.10.tgz
  - tar -zxvf Ipopt-3.12.10.tgz
  - cd Ipopt-3.12.10/
  - export IPOPTDIR=`pwd`

  - cd $IPOPTDIR/ThirdParty/Blas
  - ./get.Blas
  - cd $IPOPTDIR/ThirdParty/Lapack
  - ./get.Lapack
  - cd $IPOPTDIR/ThirdParty/Metis
  - ./get.Metis
  - cd $IPOPTDIR/ThirdParty/Mumps
  - ./get.Mumps

  - mkdir $IPOPTDIR/build
  - cd $IPOPTDIR/build

  - $IPOPTDIR/configure --prefix=/usr/local
  - sudo make
  - sudo make test
  - sudo make install
  - sudo ldconfig


# clone repository with IpOpt Interface
  - git clone https://github.com/ebertolazzi/mexIPOPT

# compile interface
  - mkoctfile --mex -ImexIPOPT/src -I/usr/local/include/coin mexIPOPT/src/ipopt.cc mexIPOPT/src/IpoptInterfaceCommon.cc -v -DMATLAB_MEXFILE -DHAVE_CSTDDEF -DIPOPT_INTERFACE_MISSING_COPY_N -Wl,--no-undefined -lipopt -lcoinmumps -lcoinlapack -lcoinblas -L/usr/local/lib -std=gnu++11
  - sudo cp ipopt* $MATRAD/optimization
  - cd $MATRAD
before_script:
  - ulimit -c unlimited -S  # enable core dumps for Octave crash debugging
script:
  - travis_wait 45 ./runtests.sh /usr/bin/octave 
after_failure:
  - COREFILE=$(find . -maxdepth 1 -name "core*" | head -n 1) # find core file
  - gdb -c "$COREFILE" -ex "thread apply all bt" -ex "set pagination 0" -batch /usr/bin/octave-cli # print stack trace
  - tail runtests.log
#  - tail runtests.err