Allow compiling client-side with GCC (#2056)

* Allow compiling client-side with GCC

* Merge branch 'master' into nsubiron/gcc

Examples/CppClient/Makefile

@@ -4,8 +4,8 @@ BINDIR=$(CURDIR)/bin
 INSTALLDIR=$(CURDIR)/libcarla-install
 TOOLCHAIN=$(CURDIR)/ToolChain.cmake
 
-CC=/usr/bin/clang-7
-CXX=/usr/bin/clang++-7
+CC=/usr/bin/gcc-7
+CXX=/usr/bin/g++-7
 CXXFLAGS=-std=c++14 -pthread -fPIC -O3 -DNDEBUG -Werror -Wall -Wextra
 
 define log

LibCarla/source/carla/Platform.h

@@ -9,7 +9,7 @@
 #if defined(_MSC_VER)
 #  define LIBCARLA_FORCEINLINE __forceinline
 #  define LIBCARLA_NOINLINE __declspec(noinline)
-#elif defined(__clang__)
+#elif defined(__clang__) || defined(__GNUC__)
 #  if defined(NDEBUG)
 #    define LIBCARLA_FORCEINLINE inline __attribute__((always_inline))
 #  else

LibCarla/source/carla/client/detail/ActorFactory.cpp

@@ -48,12 +48,12 @@ namespace detail {
               "exception thrown while trying to garbage collect Actor",
               ptr->GetDisplayId(),
               e.what());
-          throw; // calls terminate.
+          std::terminate();
         } catch (...) {
           log_critical(
               "unknown exception thrown while trying to garbage collect an Actor :",
               ptr->GetDisplayId());
-          throw; // calls terminate.
+          std::terminate();
         }
       }
     }

LibCarla/source/carla/client/detail/ActorState.h

@@ -55,6 +55,8 @@ namespace detail {
 
   protected:
 
+    explicit ActorState(rpc::Actor description, EpisodeProxy episode);
+
     const geom::BoundingBox &GetBoundingBox() const {
       return _description.bounding_box;
     }
@@ -75,8 +77,6 @@ namespace detail {
 
     friend class Simulator;
 
-    explicit ActorState(rpc::Actor description, EpisodeProxy episode);
-
     rpc::Actor _description;
 
     EpisodeProxy _episode;

LibCarla/source/carla/sensor/s11n/LidarMeasurement.h

@@ -65,7 +65,7 @@ namespace s11n {
     }
 
     void SetHorizontalAngle(float angle) {
-      _header[Index::HorizontalAngle] = reinterpret_cast<const uint32_t &>(angle);
+      std::memcpy(&_header[Index::HorizontalAngle], &angle, sizeof(uint32_t));
     }
 
     uint32_t GetChannelCount() const {