[CMake] Add install-clang-format target by migrating to add_clang_tool

This change migrates clang-format to add_clang_tool which makes a component-based install target. To support component-based installation the extra installed scripts all need to have the "clang-format" component too.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@261680 91177308-0d34-0410-b5e6-96231b3b80d8

tools/clang-format/CMakeLists.txt

 set(LLVM_LINK_COMPONENTS support)
 
-add_clang_executable(clang-format
+add_clang_tool(clang-format
   ClangFormat.cpp
   )
 
@@ -19,10 +19,21 @@ if( LLVM_USE_SANITIZE_COVERAGE )
   add_subdirectory(fuzzer)
 endif()
 
-install(TARGETS clang-format RUNTIME DESTINATION bin)
-install(PROGRAMS clang-format-bbedit.applescript DESTINATION share/clang)
-install(PROGRAMS clang-format-diff.py DESTINATION share/clang)
-install(PROGRAMS clang-format-sublime.py DESTINATION share/clang)
-install(PROGRAMS clang-format.el DESTINATION share/clang)
-install(PROGRAMS clang-format.py DESTINATION share/clang)
-install(PROGRAMS git-clang-format DESTINATION bin)
+install(PROGRAMS clang-format-bbedit.applescript
+  DESTINATION share/clang
+  COMPONENT clang-format)
+install(PROGRAMS clang-format-diff.py
+  DESTINATION share/clang
+  COMPONENT clang-format)
+install(PROGRAMS clang-format-sublime.py
+  DESTINATION share/clang
+  COMPONENT clang-format)
+install(PROGRAMS clang-format.el
+  DESTINATION share/clang
+  COMPONENT clang-format)
+install(PROGRAMS clang-format.py
+  DESTINATION share/clang
+  COMPONENT clang-format)
+install(PROGRAMS git-clang-format
+  DESTINATION bin
+  COMPONENT clang-format)