branches:
  except:
    - /libpng[0-1][0-7]/

language: c

os:
  - freebsd
  - linux
  - osx

env:
  - AUTOMATION=cmake CI_CMAKE_VARS="-DPNG_HARDWARE_OPTIMIZATIONS=ON"
  - AUTOMATION=cmake CI_CMAKE_VARS="-DPNG_HARDWARE_OPTIMIZATIONS=OFF"
  - AUTOMATION=configure CI_CONFIGURE_FLAGS="--enable-hardware-optimizations"
  - AUTOMATION=configure CI_CONFIGURE_FLAGS="--disable-hardware-optimizations"
  - AUTOMATION=makefiles

matrix:
  include:
    - os: osx
      env: AUTOMATION=cmake CI_CMAKE_GENERATOR=Xcode

before_script:
  - 'if test "$TRAVIS_OS_NAME" = "linux"; then export CI_CC="gcc"; else export CI_CC="clang"; fi'
  - 'if test "$TRAVIS_OS_NAME" != "osx"; then export CI_SANITIZERS="address,undefined"; fi'
  - 'export CI_MAKEFILES="scripts/makefile.$CI_CC scripts/makefile.std"'
  - 'export CI_MAKE_FLAGS=-j2'
  - 'export CI_CMAKE_BUILD_FLAGS=-j2'
  - 'export CI_CTEST_FLAGS=-j2'

script:
  - './ci/ci_verify_$AUTOMATION.sh'