added ppa:ubuntu-toolchain-r/test to trusty

Author: edwardvalentini

.travis.yml

@@ -22,18 +22,18 @@ matrix:
     before_install:
     - export PKG_CONFIG_PATH=/usr/local/lib/pkgconfig:"${PKG_CONFIG_PATH}"
     - wget -O - http://apt.llvm.org/llvm-snapshot.gpg.key | sudo apt-key add -
-    - sudo apt-add-repository "deb http://apt.llvm.org/trusty/ llvm-toolchain-trusty-${LLVM_API_VERSION}
-      main"
+    - sudo apt-add-repository "deb http://apt.llvm.org/trusty/ llvm-toolchain-trusty-${LLVM_API_VERSION} main"
+    - sudo apt-add-repository -y "ppa:ubuntu-toolchain-r/test"
     - sudo apt-get update
-    - sudo apt-get install llvm-${LLVM_API_VERSION} llvm-${LLVM_API_VERSION}-runtime libllvm${LLVM_API_VERSION} libc++1  libstdc++6
+    - sudo apt-get install -y llvm-${LLVM_API_VERSION} libc++1
     - sudo cp /usr/lib/x86_64-linux-gnu/libc++.so.1.0 /usr/lib/
     - sudo ln -sf /usr/lib/libc++.so.1.0 /usr/lib/libc++.so
     - sudo rm -rf /usr/local/clang-*/bin/llvm-config
     - ls -l /usr/bin/llvm-config*
     - sudo rm -f /usr/bin/llvm-config
     - sudo ln -s /usr/bin/llvm-config-${LLVM_API_VERSION} /usr/bin/llvm-config
     - wget -q -O - https://swift.org/keys/all-keys.asc | gpg --import -
-    - wget https://swift.org/builds/swift-4.1-release/ubuntu1404/swift-4.0-RELEASE/swift-4.1-RELEASE-ubuntu14.04.tar.gz
+    - wget https://swift.org/builds/swift-4.1-release/ubuntu1404/swift-4.1-RELEASE/swift-4.1-RELEASE-ubuntu14.04.tar.gz
     - tar xzf swift-4.1-RELEASE-ubuntu14.04.tar.gz
     - export PATH=${PWD}/swift-4.1-RELEASE-ubuntu14.04/usr/bin:"${PATH}"
     - sudo ./swift-4.1-RELEASE-ubuntu14.04/usr/bin/swift utils/make-pkgconfig.swift