language: cpp
compiler:
  - gcc
before_install:
  - sudo add-apt-repository ppa:v-launchpad-jochen-sprickerhof-de/pcl -y
  - sudo apt-get update -d
  - sudo apt-get install cmake libvtk5-qt4-dev libflann-dev libeigen3-dev libopenni-dev libqhull-dev libboost-filesystem-dev libboost-iostreams-dev libboost-thread-dev
script: 
  - mkdir build && cd build
  - cmake -DCMAKE_C_FLAGS="-Wall -Wextra -Wabi -Wconversion -O2" -DCMAKE_CXX_FLAGS="-Wall -Wextra -Wabi -Wconversion -O2" -DPCL_ONLY_CORE_POINT_TYPES=ON .. && make -j2 && make test

language: cpp
compiler:
  - gcc
  - clang
before_install:
  - sudo add-apt-repository ppa:v-launchpad-jochen-sprickerhof-de/pcl -y
  - sudo add-apt-repository ppa:apokluda/boost1.53 -y
  - sudo apt-get update -d
  - sudo apt-get install cmake libvtk5-qt4-dev libflann-dev libeigen3-dev libopenni-dev libqhull-dev libboost-filesystem1.53-dev libboost-iostreams1.53-dev libboost-thread1.53-dev
script: 
  - mkdir build && cd build
  - cmake -DPCL_ONLY_CORE_POINT_TYPES=ON .. && make -j2 && make test

Bring back clang in Travis CI
Bring back clang in Travis CI

- Add working Boost 1.53 PPA
- Use default CFLAGS
