Ask Travis to use jobs

.travis.yml

@@ -1,36 +1,29 @@
 sudo: false
-language: c
+language: generic
 
 cache:
  directories:
  - $HOME/.stack
+ - $HOME/.local/bin
 
-env:
- - STACK_YAML=lts-6.yaml
- - STACK_YAML=lts-7.yaml
- - STACK_YAML=stack.yaml
+jobs:
+ include:
+ - stage: "Prepare"
+ script: stack install --install-ghc gtk2hs-buildtools
+ - stage: "Build and test"
+ script: stack --install-ghc --stack-yaml=lts-6.yaml test
+ - script: stack --install-ghc --stack-yaml=lts-7.yaml test
+ - script: stack --stack-yaml=stack.yaml test
+ - stage: "Build example configs"
+ script: stack --stack-yaml=all-configs.yaml build
 
 addons:
  apt:
  packages:
  - libgmp-dev
+ - alex
  sources: hvr-ghc
 
 before_install:
  - mkdir -p $HOME/.local/bin
  - curl -L https://www.stackage.org/stack/linux-x86_64 | tar xz --wildcards --strip-components=1 -C ~/.local/bin '*/stack'
- - stack setup
-
-install:
- - stack install gtk2hs-buildtools
- - stack exec -- alex --version
- - stack test -j2 --no-run-tests
-
-script:
- - stack test
- - for c in example-configs/*-{static,dynamic};
- do
- cd "$c" &&
- stack build &&
- cd -;
- done