Merge branch 'develop' into cmake-3.16

cmake/Modules/LAMMPSInterfacePlugin.cmake

@@ -28,9 +28,7 @@ if(MSVC)
     add_compile_options(/Zc:__cplusplus)
     add_compile_options(/wd4244)
     add_compile_options(/wd4267)
-    if(LAMMPS_EXCEPTIONS)
-      add_compile_options(/EHsc)
-    endif()
+    add_compile_options(/EHsc)
   endif()
   add_compile_definitions(_CRT_SECURE_NO_WARNINGS)
 endif()

cmake/Modules/Tools.cmake

@@ -44,9 +44,6 @@ if(BUILD_LAMMPS_SHELL)
   endif()
   find_package(PkgConfig REQUIRED)
   pkg_check_modules(READLINE IMPORTED_TARGET REQUIRED readline)
-  if(NOT LAMMPS_EXCEPTIONS)
-    message(WARNING "The LAMMPS shell needs LAMMPS_EXCEPTIONS enabled for full functionality")
-  endif()
 
   # include resource compiler to embed icons into the executable on Windows
   if(CMAKE_SYSTEM_NAME STREQUAL "Windows")