CMake: Improve installation of Clang

  - Install clang-cc into libexec
  - Install headers into lib/clang/<version>/include
  - Don't install other clang-based tools (clang-wpa, clang-index, etc.)



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@79827 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/CMakeLists.txt b/CMakeLists.txt
index bb128d6..eb4bd0c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,3 +1,6 @@
+# Clang version information
+set(CLANG_VERSION 1.0)
+
 macro(add_clang_library name)
   set(srcs ${ARGN})
   if(MSVC_IDE OR XCODE)
@@ -36,8 +39,6 @@
     set(srcs ${srcs} ${headers})
   endif(MSVC_IDE)
   add_llvm_executable( ${name} ${srcs} )
-  install(TARGETS ${name}
-    RUNTIME DESTINATION bin)
 endmacro(add_clang_executable)
 
 include_directories(