Add Travis configuration. (#1)

Add Travis configuration.

.travis.yml

@@ -0,0 +1,40 @@
+language: julia
+os:
+ - linux
+ - osx
+ - windows
+julia:
+ - 1.3
+ - 1.4
+ - 1.5
+ - nightly
+addons:
+ apt:
+ sources:
+ - ubuntu-toolchain-r-test
+before_install:
+ - if [ "$TRAVIS_OS_NAME" = "linux" ]; then sudo apt-get update; fi
+ - if [ "$TRAVIS_OS_NAME" = "linux" ] && [ $TRAVIS_CPU_ARCH != "arm64" ]; then sudo apt-get install gcc-8 gcc-8-multilib linux-libc-dev linux-headers-generic; fi
+ - if [ "$TRAVIS_OS_NAME" = "linux" ] && [ $TRAVIS_CPU_ARCH != "arm64" ]; then sudo ln -s /usr/bin/gcc-8 /usr/local/bin/gcc; fi
+ - if [ "$TRAVIS_OS_NAME" = "linux" ] && [ $TRAVIS_CPU_ARCH != "arm64" ]; then sudo ln -s /usr/include/asm-generic /usr/include/asm; fi
+ - which gcc
+ - gcc --version
+arch:
+ - amd64
+ - arm64
+jobs:
+ fast_finish: true
+ allow_failures:
+ # - julia: nightly
+ exclude:
+ - os: osx
+ arch: arm64
+ - os: windows
+ arch: arm64
+branches:
+ only:
+ - master
+ - /^release-.*/
+ - /^v[0-9]+\.[0-9]+\.[0-9]+$/ # version tags
+notifications:
+ email: false

test/runtests.jl

@@ -33,9 +33,13 @@ end
 
 cfunctions_path = abspath(dirname(@__DIR__), "src", "julia_cfunctions.jl")
 
+# `VERSION` is usually not the same as this for nightly builds.
+# TODO: Find out whether there's some more convenient way to get
+# exactly the same string as this `ccall`.
+version_string = unsafe_string(ccall(:jl_ver_string, Ptr{Cchar}, ()))
 expected_stdout =
  """
- Julia version $(VERSION)
+ Julia version $(version_string)
  0.5
  fibonacci(10) = 55
  """