Update OSX compiler to clang 8, remove prebuilt binaries on Travis

.travis.yml

@@ -21,11 +21,6 @@ jobs:
 
     - name: MacOS
       os: osx
-      env:
-        - TOOL="cmake"
-        - DESCRIPTION="OS X build/test via CMake"
-        - LLVM_PACKAGE="clang+llvm-5.0.2-x86_64-apple-darwin"
-        - CIINSTALL=yes
 
 
 before_install:
@@ -34,9 +29,7 @@ before_install:
       sudo apt-get -y install git wget unzip;
       sudo apt-get -y install build-essential software-properties-common cmake rsync libboost-all-dev;
     elif [[ "$TRAVIS_OS_NAME" == "osx" ]] && [[ "$TOOL" == "cmake" ]]; then
-      wget http://releases.llvm.org/5.0.2/${LLVM_PACKAGE}.tar.xz;
-      tar -xf ${LLVM_PACKAGE}.tar.xz;
-      export LLVM_DIR=${TRAVIS_BUILD_DIR}/${LLVM_PACKAGE};
+      echo "No before_install actions for OSX";
     fi
 
 script:

build.sh

@@ -65,15 +65,8 @@ else
     # variable for build output
     build_dir=build_debug
     if [ "$(uname)" == "Darwin" ]; then
-
-        if [[ -n $CIINSTALL ]]; then # use downloaded binaries on Travis
-            export CC=${LLVM_DIR}/bin/clang
-            export CXX=${LLVM_DIR}/bin/clang++
-        else
-            export CC=/usr/local/opt/llvm-5.0/bin/clang-5.0
-            export CXX=/usr/local/opt/llvm-5.0/bin/clang++-5.0
-        fi
-
+        export CC=/usr/local/opt/llvm@8/bin/clang
+        export CXX=/usr/local/opt/llvm@8/bin/clang++
     else
         export CC="clang-8"
         export CXX="clang++-8"
@@ -145,4 +138,4 @@ echo "For help see:"
 echo "https://github.com/Microsoft/AirSim/blob/master/docs/build_linux.md"
 echo "=================================================================="
 
-popd >/dev/null
+popd >/dev/null

setup.sh

@@ -51,17 +51,9 @@ if $gccBuild; then
 else
     # llvm tools
     if [ "$(uname)" == "Darwin" ]; then # osx
-        if [[ -n $CIINSTALL ]]; then # use downloaded binaries on Travis
-            export C_COMPILER=${LLVM_DIR}/bin/clang
-            export COMPILER=${LLVM_DIR}/bin/clang++
-        else
-            brew update
-
-            # brew install llvm@3.9
-            brew tap llvm-hs/homebrew-llvm
-            brew install llvm-8.0
-        fi
-
+        brew update
+        brew tap llvm-hs/homebrew-llvm
+        brew install llvm@8
     else #linux
         #install clang and build tools
         VERSION=$(lsb_release -rs | cut -d. -f1)
@@ -71,7 +63,7 @@ else
             wget -O - http://apt.llvm.org/llvm-snapshot.gpg.key | sudo apt-key add -
             sudo apt-get update
         fi
-        sudo apt-get install -y clang-8 clang++-8 libc++-8-dev libc++abi-8-dev 
+        sudo apt-get install -y clang-8 clang++-8 libc++-8-dev libc++abi-8-dev
     fi
 fi
 
@@ -119,15 +111,8 @@ if version_less_than_equal_to $cmake_ver $MIN_CMAKE_VERSION; then
         make
         popd
     fi
-
-    if [ "$(uname)" == "Darwin" ]; then
-        CMAKE="$(greadlink -f cmake_build/bin/cmake)"
-    else
-        CMAKE="$(readlink -f cmake_build/bin/cmake)"
-    fi
 else
     echo "Already have good version of cmake: $cmake_ver"
-    CMAKE=$(which cmake)
 fi
 
 # Download rpclib
@@ -191,4 +176,4 @@ set +x
 echo ""
 echo "************************************"
 echo "AirSim setup completed successfully!"
-echo "************************************"
+echo "************************************"