message: Correct cmake on 4.27 linux.
diff: @@ -230,20 +230,17 @@ jobs:
  - pip3 install httpie
  - travis_wait 30 "./travis/travis-get-ue-linux-crosscompile-toolchain-427.sh"
  - travis_wait 30 "./travis/travis-get-ue-427.sh"
  - before_script:
  + script:
  - export UNREAL_ENGINE_DIR=/c/Program\ Files/Epic\ Games/UE_4.27/Engine
  - export UNREAL_ENGINE_COMPILER_DIR=/c/UnrealToolchains/v19_clang-11.0.1-centos7/x86_64-unknown-linux-gnu
  - export UNREAL_ENGINE_LIBCXX_DIR=$UNREAL_ENGINE_DIR/Engine/Source/ThirdParty/Linux/LibCxx
  - export CESIUM_UNREAL_VERSION=$(git describe)
  - export BUILD_CESIUM_UNREAL_PACKAGE_NAME=CesiumForUnreal-427-linux-${CESIUM_UNREAL_VERSION}
  - mkdir -p extern/build
  - - cd extern/build
  + - cd extern
  - cmake -B build -S . -DCMAKE_TOOLCHAIN_FILE="unreal-linux-toolchain.cmake" -DCMAKE_POSITION_INDEPENDENT_CODE=ON -DCMAKE_BUILD_TYPE=Release
  - - cd ../..
  - script:
  - - cd extern/build
  - - cmake --build . --config Release --target install
  - - cd ../..
  + - cmake --build build -j 4 --target install
  + - cd ..
  - rm -rf extern
  - export CLONEDIR=$PWD
  - cd /c/Program\ Files/Epic\ Games/UE_4.27/Engine/Build/BatchFiles
  