[TRAVIS] updates for DEVEL_BUILD=On etc

as in SyneRBI/SIRF-SuperBuild#157
- fix setting of compiler variables
- use gcc-7
- add libopenblas-dev and libatlas-base-dev

.travis.yml

@@ -15,49 +15,49 @@ language: cpp
 # so try to keep this concise to avoid need to update
 matrix:
  include:
- # linux g{cc,++}-5 py{27,3}
+ # linux g{cc,++}-{5,7} py{27,3}
  - os: linux
    python: 3
    # -boost +fftw3 +hdf5
-   env: EXTRA_BUILD_FLAGS="-DUSE_SYSTEM_Boost=OFF -DUSE_SYSTEM_FFTW3=ON -DUSE_SYSTEM_HDF5=ON" CC=gcc-5 CXX=g++-5 PYMVER=3
+   env: EXTRA_BUILD_FLAGS="-DUSE_SYSTEM_Boost=OFF -DUSE_SYSTEM_FFTW3=ON -DUSE_SYSTEM_HDF5=ON" MATRIX_EVAL="CC=gcc-5 CXX=g++-5" PYMVER=3
  - os: linux
    python: 2.7
    # -boost +fftw3 +hdf5 +siemens_to_ismrmrd +swig
-   env: EXTRA_BUILD_FLAGS="-DUSE_SYSTEM_Boost=OFF -DUSE_SYSTEM_FFTW3=ON -DUSE_SYSTEM_HDF5=ON -DBUILD_siemens_to_ismrmrd=ON -DUSE_SYSTEM_SWIG=ON" CC=gcc-5 CXX=g++-5 PYMVER=2
+   env: EXTRA_BUILD_FLAGS="-DUSE_SYSTEM_Boost=OFF -DUSE_SYSTEM_FFTW3=ON -DUSE_SYSTEM_HDF5=ON -DBUILD_siemens_to_ismrmrd=ON -DUSE_SYSTEM_SWIG=ON" MATRIX_EVAL="CC=gcc-5 CXX=g++-5" PYMVER=2
  - os: linux
    python: 3
    # +DEVEL -boost -hdf5 -fftw3 +siemens_to_ismrmrd
-   env: EXTRA_BUILD_FLAGS="-DDEVEL_BUILD=ON -DUSE_SYSTEM_Boost=OFF -DUSE_SYSTEM_HDF5=OFF -DUSE_SYSTEM_FFTW3=OFF -DBUILD_siemens_to_ismrmrd=ON" CC=gcc-5 CXX=g++-5 PYMVER=3
+   env: EXTRA_BUILD_FLAGS="-DDEVEL_BUILD=ON -DUSE_SYSTEM_Boost=OFF -DUSE_SYSTEM_HDF5=OFF -DUSE_SYSTEM_FFTW3=OFF -DBUILD_siemens_to_ismrmrd=ON" MATRIX_EVAL="CC=gcc-7 CXX=g++-7" PYMVER=3
  - os: linux
    python: 2.7
    # +DEVEL -boost -fftw3 -hdf5 -swig
-   env: EXTRA_BUILD_FLAGS="-DDEVEL_BUILD=ON -DUSE_SYSTEM_Boost=OFF -DUSE_SYSTEM_FFTW3=OFF -DUSE_SYSTEM_HDF5=OFF -DUSE_SYSTEM_SWIG=OFF" CC=gcc-5 CXX=g++-5 PYMVER=2
+   env: EXTRA_BUILD_FLAGS="-DDEVEL_BUILD=ON -DUSE_SYSTEM_Boost=OFF -DUSE_SYSTEM_FFTW3=OFF -DUSE_SYSTEM_HDF5=OFF -DUSE_SYSTEM_SWIG=OFF" MATRIX_EVAL="CC=gcc-7 CXX=g++-7" PYMVER=2
  # osx g{cc,++} py{27,36}
  - os: osx
    python: 2.7
    # +boost -hdf5 -swig
-   env: EXTRA_BUILD_FLAGS="-DUSE_SYSTEM_Boost=ON -DUSE_SYSTEM_HDF5=OFF -DUSE_SYSTEM_SWIG=OFF" CC=gcc CXX=g++ PYMVER=2
+   env: EXTRA_BUILD_FLAGS="-DUSE_SYSTEM_Boost=ON -DUSE_SYSTEM_HDF5=OFF -DUSE_SYSTEM_SWIG=OFF" MATRIX_EVAL="CC=gcc CXX=g++" PYMVER=2
  - os: osx
    # -boost -hdf5 -swig
    python: 3
-   env: EXTRA_BUILD_FLAGS="-DUSE_SYSTEM_Boost=OFF -DUSE_SYSTEM_HDF5=OFF -DUSE_SYSTEM_SWIG=OFF" CC=gcc CXX=g++ PYMVER=3
+   env: EXTRA_BUILD_FLAGS="-DUSE_SYSTEM_Boost=OFF -DUSE_SYSTEM_HDF5=OFF -DUSE_SYSTEM_SWIG=OFF" MATRIX_EVAL="CC=gcc CXX=g++" PYMVER=3
  - os: osx
    python: 2.7
    # +DEVEL +boost -hdf5 +swig
-   env: EXTRA_BUILD_FLAGS="-DDEVEL_BUILD=ON -DUSE_SYSTEM_Boost=ON -DUSE_SYSTEM_HDF5=OFF -DUSE_SYSTEM_SWIG=ON" CC=gcc CXX=g++ PYMVER=2
+   env: EXTRA_BUILD_FLAGS="-DDEVEL_BUILD=ON -DUSE_SYSTEM_Boost=ON -DUSE_SYSTEM_HDF5=OFF -DUSE_SYSTEM_SWIG=ON" MATRIX_EVAL="CC=gcc CXX=g++" PYMVER=2
  - os: osx
    python: 2.7
    # +DEVEL +boost -fftw3 -hdf5 +swig
-   env: EXTRA_BUILD_FLAGS="-DDEVEL_BUILD=ON -DUSE_SYSTEM_Boost=ON -DUSE_SYSTEM_FFTW3=OFF -DUSE_SYSTEM_HDF5=OFF -DUSE_SYSTEM_SWIG=ON" CC=gcc CXX=g++ PYMVER=2
+   env: EXTRA_BUILD_FLAGS="-DDEVEL_BUILD=ON -DUSE_SYSTEM_Boost=ON -DUSE_SYSTEM_FFTW3=OFF -DUSE_SYSTEM_HDF5=OFF -DUSE_SYSTEM_SWIG=ON" MATRIX_EVAL="CC=gcc CXX=g++" PYMVER=2
  # itk
  - os: linux
    python: 3
    # -boost +itk +fftw3 +hdf5
-   env: EXTRA_BUILD_FLAGS="-DUSE_SYSTEM_Boost=OFF -DUSE_ITK=ON -DUSE_SYSTEM_FFTW3=ON -DUSE_SYSTEM_HDF5=ON" CC=gcc-5 CXX=g++-5 PYMVER=3
+   env: EXTRA_BUILD_FLAGS="-DUSE_SYSTEM_Boost=OFF -DUSE_ITK=ON -DUSE_SYSTEM_FFTW3=ON -DUSE_SYSTEM_HDF5=ON" MATRIX_EVAL="CC=gcc-5 CXX=g++-5" PYMVER=3
  - os: osx
    python: 2.7
    # +boost +itk -hdf5 +swig
-   env: EXTRA_BUILD_FLAGS="-DUSE_SYSTEM_Boost=ON -DUSE_ITK=ON -DUSE_SYSTEM_HDF5=OFF -DUSE_SYSTEM_SWIG=ON" CC=gcc CXX=g++ PYMVER=2
+   env: EXTRA_BUILD_FLAGS="-DUSE_SYSTEM_Boost=ON -DUSE_ITK=ON -DUSE_SYSTEM_HDF5=OFF -DUSE_SYSTEM_SWIG=ON" MATRIX_EVAL="CC=gcc CXX=g++" PYMVER=2
 
 env:
  global:
@@ -80,13 +80,16 @@ addons:
    - git-core
    - build-essential
    - g++-5
+   - g++-7
    - libboost-all-dev
    - libhdf5-serial-dev
    - libfftw3-dev
    - python-dev
    - python3-dev
    - python-tk
    - python3-tk
+   - libopenblas-dev
+   - libatlas-base-dev
    - liblapack-dev
    - libxml2-dev
    - libarmadillo-dev
@@ -105,6 +108,11 @@ cache:
   - pip
 
 before_install:
+ # Set C and C++ compiler etc using trick from
+ # https://docs.travis-ci.com/user/languages/cpp/#c11c11-and-beyond-and-toolchain-versioning
+ - eval "${MATRIX_EVAL}"
+ - $CC --version
+ - $CXX --version
  - mkdir -p ~/.local/bin
  - pushd ~/.local/bin
  # Note: use ( set -ev; ... ) to echo commands and exit immediately on failure
@@ -180,8 +188,10 @@ before_install:
  # ccache compiler override
  - ln -s "$(which ccache)" g++
  - ln -s "$(which ccache)" g++-5
+ - ln -s "$(which ccache)" g++-7
  - ln -s "$(which ccache)" gcc
  - ln -s "$(which ccache)" gcc-5
+ - ln -s "$(which ccache)" gcc-7
  - export PATH="$PWD:$PATH"
  - popd
  # Use Travis' currently checked-out SIRF commit ID to build.