Add travis config

Author: ltjax

.travis.yml

@@ -0,0 +1,44 @@
+
+env:
+  global:
+    - CONAN_USERNAME: "ltjax"
+    - CONAN_LOGIN_USERNAME: "ltjax"
+    - CONAN_CHANNEL: "testing"
+    - CONAN_UPLOAD: "https://api.bintray.com/conan/ltjax/conan"
+    - CONAN_USER_HOME: "/tmp/conan"
+    - CONAN_ARCHS: "x86_64"
+
+_linux: &linux
+  os: linux
+  dist: xenial
+  language: cpp
+  addons:
+    apt:
+      update: true
+      sources:
+        - ubuntu-toolchain-r-test
+      packages:
+        - git
+        - build-essential
+        - python3-pip
+        - python3-setuptools
+
+jobs:
+  include:
+    - <<: *linux
+      env: GCC_VERSION=9 CONAN_GCC_VERSIONS=9
+      
+    - <<: *linux
+      env: GCC_VERSION=8 CONAN_GCC_VERSIONS=8
+
+cache:
+  directories:
+  - $CONAN_USER_HOME
+
+install:
+  - chmod +x .travis/install.sh
+  - ./.travis/install.sh
+
+script:
+  - chmod +x .travis/run.sh
+  - ./.travis/run.sh

.travis/install.sh

@@ -0,0 +1,23 @@
+#!/bin/bash
+
+set -e
+set -x
+
+if [[ "$(uname -s)" == 'Linux' ]]; then
+    # Also install -multilib to cross-compile from x86-64 to x86
+    # https://stackoverflow.com/questions/4643197/missing-include-bits-cconfig-h-when-cross-compiling-64-bit-program-on-32-bit
+    sudo apt-get install gcc-${GCC_VERSION} g++-${GCC_VERSION} gcc-${GCC_VERSION}-multilib g++-${GCC_VERSION}-multilib
+    sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-${GCC_VERSION} 60 --slave /usr/bin/g++ g++ /usr/bin/g++-${GCC_VERSION}
+    sudo update-alternatives --config gcc
+    python3 --version
+    sudo pip3 install cmake==3.13.3
+    pip3 install --upgrade pip --user
+    pip --version
+    pip install conan --upgrade --user
+    pip install conan_package_tools --user
+    cmake --version
+    conan --version
+    conan profile new default --detect --force
+    conan profile update settings.compiler.libcxx=libstdc++11 default
+fi
+

.travis/run.sh

@@ -0,0 +1,6 @@
+#!/bin/bash
+
+set -e
+set -x
+
+python3 build.py