apt:
packages:
- *extra_packages
+ - env: DEF_LIB="static" OPTS="-Db_lto=true" EXTRA_PACKAGES=1 CC=gcc-7
+ compiler: gcc
+ addons:
+ apt:
+ sources:
+ - ubuntu-toolchain-r-test
+ packages:
+ - *extra_packages
+ - gcc-7
script: ./.ci/${TRAVIS_OS_NAME}-build.sh