CMake: auto-discover project files under the projects/ subdirectory.

Patch by Viktar Zviarovich!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66230 91177308-0d34-0410-b5e6-96231b3b80d8

CMakeLists.txt

@@ -203,6 +203,7 @@ add_subdirectory(lib/AsmParser)
 add_subdirectory(lib/Debugger)
 add_subdirectory(lib/Archive)
 
+add_subdirectory(projects)
 add_subdirectory(tools)
 
 add_subdirectory(examples)

projects/CMakeLists.txt

@@ -0,0 +1,9 @@
+# Discover the projects that use CMake in the subdirectories.
+# Note that explicit cmake invocation is required every time a new project is
+# added or removed.
+file(GLOB entries *)
+foreach(entry ${entries})
+  if(IS_DIRECTORY ${entry} AND EXISTS ${entry}/CMakeLists.txt)
+    add_subdirectory(${entry})
+  endif()
+endforeach(entry)