cmake: Don't install plugins used for examples or tests

Summary: This patch drops install targets for LLVMHello.so, TestPlugin.so, and BugpointPasses.so. Reviewers: chandlerc, beanz, thakis, philip.pfaffe Reviewed By: chandlerc Subscribers: SquallATF, mgorny, llvm-commits Differential Revision: https://reviews.llvm.org/D55965 llvm-svn: 351087

Author: tstellar

llvm/lib/Transforms/Hello/CMakeLists.txt

@@ -10,7 +10,7 @@ if(WIN32 OR CYGWIN)
  set(LLVM_LINK_COMPONENTS Core Support)
 endif()
 
-add_llvm_library( LLVMHello MODULE
+add_llvm_library( LLVMHello MODULE BUILDTREE_ONLY
  Hello.cpp
 
  DEPENDS

llvm/tools/bugpoint-passes/CMakeLists.txt

@@ -14,7 +14,7 @@ if(WIN32 OR CYGWIN)
  set(LLVM_LINK_COMPONENTS Core)
 endif()
 
-add_llvm_library( BugpointPasses MODULE
+add_llvm_library( BugpointPasses MODULE BUILDTREE_ONLY
  TestPasses.cpp
 
  DEPENDS

llvm/unittests/Passes/CMakeLists.txt

@@ -15,7 +15,7 @@ export_executable_symbols(PluginsTests)
 target_link_libraries(PluginsTests PRIVATE LLVMTestingSupport)
 
 set(LLVM_LINK_COMPONENTS)
-add_llvm_library(TestPlugin MODULE
+add_llvm_library(TestPlugin MODULE BUILDTREE_ONLY
  TestPlugin.cpp
  )