Copy llvm-bcanalyzer to build pnacl-bcanalyzer.

tools/CMakeLists.txt

 # NOTE: The tools are organized into groups of four consisting of one large and
 # three small executables. This is done to minimize memory load in parallel
 # builds.  Please retain this ordering.
 
 if( NOT WIN32 OR MSYS OR CYGWIN )
   # We currently require 'sed' to build llvm-config, so don't try to build it
   # on pure Win32.
   add_subdirectory(llvm-config)
 endif()
 
@@ skipping 27 matching lines @@
 add_subdirectory(bugpoint)
 add_subdirectory(bugpoint-passes)
 add_subdirectory(llvm-bcanalyzer)
 add_subdirectory(llvm-stress)
 add_subdirectory(llvm-mcmarkup)
 
 add_subdirectory(llvm-symbolizer)
 add_subdirectory(pnacl-abicheck)
 add_subdirectory(pnacl-freeze)
 add_subdirectory(pnacl-thaw)
+add_subdirectory(pnacl-bcanalyzer)
 add_subdirectory(bc-wrap)
 
 if( NOT WIN32 )
   add_subdirectory(lto)
 endif()
 
 if( LLVM_ENABLE_PIC )
   # TODO: support other systems:
   if( CMAKE_SYSTEM_NAME STREQUAL "Linux" )
     add_subdirectory(gold)
   endif()
 endif()
 
 add_llvm_external_project(clang)
 add_llvm_external_project(lld)
 add_llvm_external_project(polly)
 
 set(LLVM_COMMON_DEPENDS ${LLVM_COMMON_DEPENDS} PARENT_SCOPE)