Index: CMakeLists.txt
===================================================================
--- CMakeLists.txt
+++ CMakeLists.txt
@@ -229,6 +229,9 @@
   "Build LLVM unit tests. If OFF, just generate build targets." OFF)
 option(LLVM_INCLUDE_TESTS "Generate build targets for the LLVM unit tests." ON)
 
+option(LLVM_INSTALL_LIBRARIES "Whether to install the LLVM libraries." ON)
+option(LLVM_INSTALL_TABLEGEN "Whether to install the TableGen utility." ON)
+
 # All options referred to from HandleLLVMOptions have to be specified
 # BEFORE this include, otherwise options will not be correctly set on
 # first cmake run
@@ -465,28 +468,30 @@
 
 add_subdirectory(cmake/modules)
 
-install(DIRECTORY include/
-  DESTINATION include
-  FILES_MATCHING
-  PATTERN "*.def"
-  PATTERN "*.h"
-  PATTERN "*.td"
-  PATTERN "*.inc"
-  PATTERN "LICENSE.TXT"
-  PATTERN ".svn" EXCLUDE
-  )
+if ( LLVM_INSTALL_LIBRARIES )
+  install(DIRECTORY include/
+    DESTINATION include
+    FILES_MATCHING
+    PATTERN "*.def"
+    PATTERN "*.h"
+    PATTERN "*.td"
+    PATTERN "*.inc"
+    PATTERN "LICENSE.TXT"
+    PATTERN ".svn" EXCLUDE
+    )
 
-install(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/include/
-  DESTINATION include
-  FILES_MATCHING
-  PATTERN "*.def"
-  PATTERN "*.h"
-  PATTERN "*.gen"
-  PATTERN "*.inc"
-  # Exclude include/llvm/CMakeFiles/intrinsics_gen.dir, matched by "*.def"
-  PATTERN "CMakeFiles" EXCLUDE
-  PATTERN ".svn" EXCLUDE
-  )
+  install(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/include/
+    DESTINATION include
+    FILES_MATCHING
+    PATTERN "*.def"
+    PATTERN "*.h"
+    PATTERN "*.gen"
+    PATTERN "*.inc"
+    # Exclude include/llvm/CMakeFiles/intrinsics_gen.dir, matched by "*.def"
+    PATTERN "CMakeFiles" EXCLUDE
+    PATTERN ".svn" EXCLUDE
+    )
+endif()
 
 # TODO: make and install documentation.
 
Index: cmake/modules/AddLLVM.cmake
===================================================================
--- cmake/modules/AddLLVM.cmake
+++ cmake/modules/AddLLVM.cmake
@@ -26,9 +26,11 @@
   if( EXCLUDE_FROM_ALL )
     set_target_properties( ${name} PROPERTIES EXCLUDE_FROM_ALL ON)
   else()
-    install(TARGETS ${name}
-      LIBRARY DESTINATION lib${LLVM_LIBDIR_SUFFIX}
-      ARCHIVE DESTINATION lib${LLVM_LIBDIR_SUFFIX})
+    if ( LLVM_INSTALL_LIBRARIES )
+      install(TARGETS ${name}
+        LIBRARY DESTINATION lib${LLVM_LIBDIR_SUFFIX}
+        ARCHIVE DESTINATION lib${LLVM_LIBDIR_SUFFIX})
+    endif()
   endif()
   set_target_properties(${name} PROPERTIES FOLDER "Libraries")
 
Index: cmake/modules/TableGen.cmake
===================================================================
--- cmake/modules/TableGen.cmake
+++ cmake/modules/TableGen.cmake
@@ -127,5 +127,7 @@
     target_link_libraries(${target} pthread)
   endif()
 
-  install(TARGETS ${target} RUNTIME DESTINATION bin)
+  if ( LLVM_INSTALL_TABLEGEN )
+    install(TARGETS ${target} RUNTIME DESTINATION bin)
+  endif()
 endmacro()