Merge branch 'master' into dev

.travis.yml

@@ -60,23 +60,16 @@ matrix:
         CMAKE_FLAGS="-DWITH_SIMD=0"
         CTEST_OUTPUT_ON_FAILURE=1
 
-addons:
-  homebrew:
-    brewfile: true
-    update: true
-
-cache:
-  directories:
-    - $HOME/Library/Caches/Homebrew
-
-before_cache:
-  - if [ "${TRAVIS_OS_NAME}" = "osx" ]; then brew cleanup; fi
-
 before_install:
   - if [ "$BUILD_X32" = "1" ]; then
       sudo apt -y --install-recommends install libc6-dev-x32;
     fi
   - if [ "$TRAVIS_OS_NAME" = "osx" ]; then
+      pushd $HOME/Downloads &&
+      curl -LO https://raw.githubusercontent.com/GiovanniBussi/macports-ci/master/macports-ci &&
+      . ./macports-ci install &&
+      sudo /opt/local/bin/port -N install gcc6 yasm md5sha1sum &&
+      popd &&
       git clone --depth=1 https://github.com/libjpeg-turbo/gas-preprocessor.git ~/src/gas-preprocessor &&
       ln -fs /Applications/Xcode.app /Applications/Xcode83.app;
     fi

Brewfile

@@ -1,3 +0,0 @@
-brew 'yasm'
-brew 'gcc@6'
-brew 'md5sha1sum'