Enable command line setup/builds for Mac

- Update setup/rebuild scripts and cmake settings to enable automated command line setup/builds for Mac using homebrew-installed llvm/clang 3.9.
- Set DepthEffectMaterial for Mac (experimental)

Rebuild.sh

@@ -44,7 +44,7 @@ done
 SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
 pushd "$SCRIPT_DIR" >/dev/null
 
-UNREAL_PROJECT_FOLDER=./Unreal/CarlaUE4
+UNREAL_PROJECT_FOLDER=${PWD}/Unreal/CarlaUE4  # use full path
 UE4_INTERMEDIATE_FOLDERS="Binaries Build Intermediate DerivedDataCache"
 
 function fatal_error {
@@ -66,6 +66,10 @@ fi
 # -- Make CarlaServer ----------------------------------------------------------
 # ==============================================================================
 
+# Set default compilers for cmake
+export CC=clang-3.9
+export CXX=clang++-3.9
+
 log "Making CarlaServer..."
 make clean && make debug && make release
 
@@ -91,6 +95,35 @@ popd >/dev/null
 # -- Build and launch Unreal project -------------------------------------------
 # ==============================================================================
 
+if [ "$(uname)" == "Darwin" ]; then  # Mac
+
+set +e
+log "Generate Unreal project files for Mac..."
+# GenerateProjectFiles.sh requires to change directory to location of UE engine Mac batch files
+pushd "${UE4_ROOT}/Engine/Build/BatchFiles/Mac/" >/dev/null
+./GenerateProjectFiles.sh -project="${UNREAL_PROJECT_FOLDER}/CarlaUE4.uproject" -game -engine -makefiles
+popd >/dev/null
+set -e
+
+log "Build CarlaUE4 project for Mac..."
+# Build.sh requires to change directory to location of UE engine root
+pushd "${UE4_ROOT}" >/dev/null
+./Engine/Build/BatchFiles/Mac/Build.sh UE4Editor Mac Development
+
+if $LAUNCH_UE4_EDITOR ; then
+  log "Launching UE4Editor app..."
+  open ./Engine/Binaries/Mac/UE4Editor.app --args "${UNREAL_PROJECT_FOLDER}/CarlaUE4.uproject"
+else
+  echo ""
+  echo "****************"
+  echo "*** Success! ***"
+  echo "****************"
+fi
+
+popd >/dev/null
+
+else  # Linux/Windows
+
 pushd "$UNREAL_PROJECT_FOLDER" >/dev/null
 
 # This command usually fails but normally we can continue anyway.
@@ -114,6 +147,8 @@ fi
 
 popd >/dev/null
 
+fi  # end of OS select
+
 # ==============================================================================
 # -- ...and we are done --------------------------------------------------------
 # ==============================================================================

Setup.sh

@@ -123,7 +123,7 @@ fi
 pushd boost-source >/dev/null
 
 BOOST_TOOLSET="clang-3.9"
-BOOST_CFLAGS="-fPIC -std=c++1y -stdlib=libc++ -I../llvm-install/include/c++/v1"
+BOOST_CFLAGS="-fPIC -std=c++1y -stdlib=libc++ -nostdinc++ -I../llvm-install/include/c++/v1"
 BOOST_LFLAGS="-stdlib=libc++ -L../llvm-install/lib"
 
 ./bootstrap.sh \
@@ -156,7 +156,7 @@ export LD_LIBRARY_PATH="$LD_LIBRARY_PATH:$PWD/../llvm-install/lib/"
 ./configure \
     CC="clang-3.9" \
     CXX="clang++-3.9" \
-    CXXFLAGS="-fPIC -stdlib=libc++ -I$PWD/../llvm-install/include/c++/v1" \
+    CXXFLAGS="-fPIC -stdlib=libc++ -nostdinc++ -I$PWD/../llvm-install/include/c++/v1" \
     LDFLAGS="-stdlib=libc++ -L$PWD/../llvm-install/lib/" \
     --prefix="$PWD/../protobuf-install" \
     --disable-shared
@@ -181,7 +181,7 @@ pushd googletest-source >/dev/null
 
 cmake -H. -B./build \
     -DCMAKE_C_COMPILER=${C_COMPILER} -DCMAKE_CXX_COMPILER=${COMPILER} \
-    -DCMAKE_CXX_FLAGS="-stdlib=libc++ -I$PWD/../llvm-install/include/c++/v1 -Wl,-L$PWD/../llvm-install/lib" \
+    -DCMAKE_CXX_FLAGS="-stdlib=libc++ -nostdinc++ -I$PWD/../llvm-install/include/c++/v1 -Wl,-L$PWD/../llvm-install/lib" \
     -DCMAKE_INSTALL_PREFIX="../googletest-install" \
     -G "Ninja"
 

Unreal/CarlaUE4/Plugins/Carla/Source/Carla/Sensor/SceneCaptureCamera.cpp

@@ -30,10 +30,8 @@
 static constexpr auto DEPTH_MAT_PATH =
 #if PLATFORM_LINUX
   TEXT("Material'/Carla/PostProcessingMaterials/DepthEffectMaterial_GLSL.DepthEffectMaterial_GLSL'");
-#elif PLATFORM_WINDOWS
+#else  // Windows/Mac
   TEXT("Material'/Carla/PostProcessingMaterials/DepthEffectMaterial.DepthEffectMaterial'");
-#else
-#  error No depth material defined for this platform
 #endif
 
 static constexpr auto SEMANTIC_SEGMENTATION_MAT_PATH =

Util/cmake/CarlaServer/CMakeLists.txt

@@ -13,7 +13,7 @@ endif (CMAKE_BUILD_TYPE STREQUAL "Debug")
 # -- Compiler and dependencies -------------------------------------------------
 # ==============================================================================
 
-if (UNIX)
+if (UNIX AND NOT APPLE)
 
   find_package(Threads)
 
@@ -58,6 +58,51 @@ if (UNIX)
       ${Protobuf_Static_Libraries}
     DESTINATION lib)
 
+elseif (APPLE)
+
+  find_package(Threads)
+
+  set(CMAKE_CXX_COMPILER clang++-3.9)
+  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fPIC -std=c++14 -pthread")
+  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Werror -Wall -Wextra -Wno-unused-parameter -Wno-error=unused-command-line-argument")
+
+  set(CMAKE_POSITION_INDEPENDENT_CODE ON)
+
+  if (CMAKE_BUILD_TYPE STREQUAL "Debug")
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -g -D_DEBUG -O0")
+  elseif (CMAKE_BUILD_TYPE STREQUAL "Release")
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DNDEBUG -O3")
+  endif (CMAKE_BUILD_TYPE STREQUAL "Debug")
+
+  # Setup libc++.
+  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -stdlib=libc++ -nostdinc++")
+  include_directories("${CARLA_LIBCXX_INSTALL_PATH}/include/c++/v1")
+  link_directories("${CARLA_LIBCXX_INSTALL_PATH}/lib")
+  file(GLOB LibCXX_Shared_Libraries "${CARLA_LIBCXX_INSTALL_PATH}/lib/libc++*.so*")
+  file(GLOB LibCXX_Static_Libraries "${CARLA_LIBCXX_INSTALL_PATH}/lib/libc++*.a")
+
+  # Setup boost.
+  include_directories("${CARLA_BOOST_INSTALL_PATH}/include")
+  set(Boost_Static_Libraries "${CARLA_BOOST_INSTALL_PATH}/lib/libboost_system.a")
+
+  # Setup protobuf.
+  include_directories("${CARLA_PROTOBUF_INSTALL_PATH}/include")
+  set(Protobuf_Static_Libraries "${CARLA_PROTOBUF_INSTALL_PATH}/lib/libprotobuf.a")
+
+  # Setup googletest.
+  include_directories("${CARLA_GOOGLETEST_INSTALL_PATH}/include")
+  set(GTest_Static_Libraries "${CARLA_GOOGLETEST_INSTALL_PATH}/lib/libgtest.a")
+
+  install(FILES
+      ${LibCXX_Shared_Libraries}
+    DESTINATION shared)
+
+  install(FILES
+      ${LibCXX_Static_Libraries}
+      ${Boost_Static_Libraries}
+      ${Protobuf_Static_Libraries}
+    DESTINATION lib)
+
 elseif (WIN32)
 
   # Setup boost.
@@ -81,9 +126,9 @@ elseif (WIN32)
       ${Protobuf_Static_Libraries}
     DESTINATION lib)
 
-else (UNIX)
+else (UNIX AND NOT APPLE)
   message(FATAL_ERROR "Build configuration not yet available for this platform")
-endif (UNIX)
+endif (UNIX AND NOT APPLE)
 
 # ==============================================================================
 # -- Project config ------------------------------------------------------------