Make it possible to switch off solution folders. VS Express does not …

…support

them, and requires the user to click away one error message per folder on
project load.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156472 91177308-0d34-0410-b5e6-96231b3b80d8

CMakeLists.txt

@@ -15,7 +15,10 @@ set(LLVM_VERSION_MINOR 2)
 
 set(PACKAGE_VERSION "${LLVM_VERSION_MAJOR}.${LLVM_VERSION_MINOR}svn")
 
-set_property(GLOBAL PROPERTY USE_FOLDERS ON)
+option(LLVM_USE_FOLDERS "Enable solution folders in Visual Studio. Disable for Express versions." ON)
+if ( LLVM_USE_FOLDERS )
+  set_property(GLOBAL PROPERTY USE_FOLDERS ON)
+endif()
 
 include(VersionFromVCS)