message: .travis build with boost 1.75.0
diff: @@ -20,15 +20,15 @@ branches:
  - master
  before_install:
  -# boost: download and bootstrap (could not make it work with 1.74, will wait for 1.75)
  - - wget -nv -O boost.zip https://dl.bintray.com/boostorg/release/1.73.0/source/boost_1_73_0.zip
  + - wget -nv -O boost.zip https://dl.bintray.com/boostorg/release/1.75.0/source/boost_1_75_0.zip
  - unzip -qq boost.zip
  - - cd boost_1_73_0
  + - cd boost_1_75_0
  - ls -lth
  - ./bootstrap.sh
  - ./b2
  - cd ..
  - - export BOOST_ROOT=$PWD/boost_1_73_0
  + - export BOOST_ROOT=$PWD/boost_1_75_0
  + - export BOOST_BUILD_PATH=$BOOST_ROOT
  # openssl: download
  - wget -nv -O openssl.tar.gz https://www.openssl.org/source/openssl-1.1.1g.tar.gz
  