Install llvm 6 on Travis on macOS

nox · nox · commit 11cc0f5e7dd3 · 2018-08-22T15:50:22.000+02:00
This allows us to make bindgen use -stdlib=libc++ without complaints.
diff --git a/.travis.yml b/.travis.yml
@@ -26,7 +26,7 @@ env:
 
 before_script:
   - if [[ "$TRAVIS_OS_NAME" == "linux" ]]; then export CC=gcc-6; export CXX=g++-6; fi
-  - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then brew update; brew install autoconf@2.13 ccache yasm; fi
+  - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then brew update; brew install autoconf@2.13 ccache llvm yasm; fi
 
 script:
   - ccache -z

-Original file line number
+Diff line change
 before_script:
   - if [[ "$TRAVIS_OS_NAME" == "linux" ]]; then export CC=gcc-6; export CXX=g++-6; fi
 -  - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then brew update; brew install [email protected] ccache yasm; fi
 +  - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then brew update; brew install [email protected] ccache llvm yasm; fi
 script:
   - ccache -z