message: travis 1.2.7 updates
  - libtorrent 1.2.7
  - openssl-1.1.1g update
  - boost 1.73.0 build
diff: @@ -20,17 +20,17 @@ branches:
  before_install:
  # boost: download and bootstrap
  - - wget -nv -O boost.zip https://dl.bintray.com/boostorg/release/1.72.0/source/boost_1_72_0.zip
  + - wget -nv -O boost.zip https://dl.bintray.com/boostorg/release/1.73.0/source/boost_1_73_0.zip
  - unzip -qq boost.zip
  - - cd boost_1_72_0
  + - cd boost_1_73_0
  - ./bootstrap.sh
  - cd ..
  - - export BOOST_ROOT=$PWD/boost_1_72_0
  + - export BOOST_ROOT=$PWD/boost_1_73_0
  # openssl: download
  - - wget -nv -O openssl.tar.gz https://www.openssl.org/source/openssl-1.1.1d.tar.gz
  + - wget -nv -O openssl.tar.gz https://www.openssl.org/source/openssl-1.1.1g.tar.gz
  - tar xzf openssl.tar.gz
  - - export OPENSSL_SOURCE=$PWD/openssl-1.1.1d
  + - export OPENSSL_SOURCE=$PWD/openssl-1.1.1g
  # fix source code
  # avoid GDI dependency in windows, fix double return statement on threads_none.c
  - if [ $os_build == "windows" ]; then
  @@ -42,7 +42,7 @@ before_install:
  # libtorrent: download and checkout revision
  - git clone https://github.com/arvidn/libtorrent
  - cd libtorrent
  - - git checkout 0f337b9ce7a1b0fc87f48843933b1c5c4dd5a9ec
  + - git checkout ce0a85f783bec37484776a37fe3662279091ecc5
  - git submodule init
  - git submodule update
  - cd ..
  