Fix for Visual Studio 2019 MSVC compiler

Author: msmshazan

demo/CMakeLists.txt

@@ -43,12 +43,6 @@ link_directories(${chipmunk_demos_library_dirs})
 add_executable(chipmunk_demos ${chipmunk_demos_source_files})
 target_link_libraries(chipmunk_demos ${chipmunk_demos_libraries})
 
-# Tell MSVC to compile the code as C++.
-if(MSVC)
-	set_source_files_properties(${chipmunk_demos_source_files} PROPERTIES LANGUAGE CXX)
-	set_target_properties(chipmunk_demos PROPERTIES LINKER_LANGUAGE CXX)
-endif(MSVC)
-
 if(INSTALL_DEMOS)
 	install(TARGETS chipmunk_demos RUNTIME DESTINATION bin)
 endif(INSTALL_DEMOS)

src/CMakeLists.txt

@@ -15,11 +15,6 @@ if(BUILD_SHARED)
   add_library(chipmunk SHARED
     ${chipmunk_source_files}
   )
-  # Tell MSVC to compile the code as C++.
-  if(MSVC)
-    set_source_files_properties(${chipmunk_source_files} PROPERTIES LANGUAGE CXX)
-    set_target_properties(chipmunk PROPERTIES LINKER_LANGUAGE CXX)
-  endif(MSVC)
   # set the lib's version number
   # But avoid on Android because symlinks to version numbered .so's don't work with Android's Java-side loadLibrary.
   if(NOT ANDROID)