Add .travis.yml

Author: radarsat1

.travis.yml

@@ -0,0 +1,42 @@
+language: cpp
+sudo: false  # docker VM
+git:
+  depth: 99999
+matrix:
+  include:
+  - os: linux
+    addons:
+      apt:
+        sources:
+          - ubuntu-toolchain-r-test
+        packages:
+          - g++-8
+          - autoconf-archive
+    env: HOST="" MATRIX_EVAL="CC=gcc-8 && CXX=g++-8"
+    compiler: gcc
+  - os: linux
+    dist: xenial
+    addons:
+      apt:
+        sources:
+          - ubuntu-toolchain-r-test
+        packages:
+          - g++-mingw-w64
+          - autoconf-archive
+    env:
+      - HOST="x86_64-w64-mingw32"
+      - MINGW_ON_LINUX="1"
+      - MATRIX_EVAL="unset CC && unset CXX"
+  - os: osx
+    osx_image: xcode10
+    env: HOST="" MATRIX_EVAL="brew install autoconf-archive"
+    compiler: clang
+before_install:
+  - eval "${MATRIX_EVAL}"
+script:  pwd && echo MINGW_ON_LINUX=$MINGW_ON_LINUX && (./autogen.sh --host=$HOST --disable-debug --prefix=$PWD/install || (cat config.log; false)) && make && ([ x1 = x$MINGW_ON_LINUX ] && (make check || (cat src/test-suite.log; false))) && make install && find install
+notifications:
+  email:
+    recipients:
+      - radarsat1@gmail.com
+    on_success: never
+    on_failure: change