message: travis: install doxygen on gcc_build
diff: @@ -9,6 +9,10 @@ matrix:
  compiler: gcc
  env:
  - BUILD_TARGET=gcc_build
  + addons:
  + apt:
  + packages:
  + - doxygen
  - os: linux
  dist: trusty
  sudo: false
  @@ -24,6 +28,7 @@ matrix:
  packages:
  - gcc-5
  - g++-5
  + - doxygen
  - os: linux
  dist: trusty
  sudo: false
  @@ -39,6 +44,7 @@ matrix:
  packages:
  - gcc-6
  - g++-6
  + - doxygen
  - os: linux
  sudo: required
  services:
  @@ -53,7 +59,6 @@ addons:
  apt:
  packages:
  - libcurl4-openssl-dev
  - - doxygen
  install:
  - set -e
  