Merge pull request #359 from FriendsOfSymfony/cleanup-doc-build

only build doc in one build

Author: dbu

.travis.yml

@@ -15,7 +15,9 @@ matrix:
     - php: 5.6
       env: SYMFONY_VERSION=2.7.* VARNISH_VERSION=3.0 COMPOSER_FLAGS="--prefer-lowest"
     - php: 7.0
-      env: VARNISH_VERSION=4.1
+      env:
+        - VARNISH_VERSION=4.1
+        - DOCCHECK=true
 
 branches:
   only:
@@ -42,17 +44,17 @@ before_script:
       sudo apt-get update -qq
       sudo apt-get install -qq varnish
     fi
-  - sudo apt-get install -qq python-sphinx enchant
-  - sudo pip install -r doc/requirements.txt
+  - if [ "$DOCCHECK" = true ]; then sudo apt-get install -qq python-sphinx enchant; fi
+  - if [ "$DOCCHECK" = true ]; then sudo pip install -r doc/requirements.txt; fi
   # Install NGINX
   - sh ./tests/install-nginx.sh
   # Starting webserver
   - if [ "$TRAVIS_PHP_VERSION" = 'hhvm' ]; then ./tests/ci/install-apache-hhvm.sh; fi
 
 script:
   - vendor/bin/phpunit --coverage-clover=coverage.clover
-  - make -C doc SPHINXOPTS='-nW' html
-  - make -C doc spelling
+  - if [[ "$DOCCHECK" = true ]]; then make -C doc SPHINXOPTS='-nW' html; fi
+  - if [[ "$DOCCHECK" = true ]]; then make -C doc spelling; fi
 
 after_script:
   # avoid uploading the code coverage for PHP 7 and HHVM as they cannot generate it (PHPUnit dropped the old HHVM driver