Fix CMake build after 241620.

[sivachandra]

I have pointed out the problem I am seeing here: http://lists.cs.uiuc.edu/pipermail/cfe-dev/2015-July/043877.html

[aprantl]

Thanks! I reverted the change in the mean time. I'll test this on some more configurations and then reapply it.

[sivachandra]

You can probably apply this change before relanding. Me landing without your change will make this change meaningless.

[aprantl]

Yes that's what I meant to do.

That said, I will probably solve this by remove the calls to initialize all targets from CodeGen altogether and move them directly into ClangCheck.cpp.

[sivachandra]

I do not know much about clang to comment here. I will abandon this change.

lib/CodeGen/CMakeLists.txt

 set(LLVM_LINK_COMPONENTS
+  ${LLVM_TARGETS_TO_BUILD}
   Analysis
   BitReader
   BitWriter
   Core
   IPO
   IRReader
   InstCombine
   Instrumentation

tools/clang-check/CMakeLists.txt

 set( LLVM_LINK_COMPONENTS
-  ${LLVM_TARGETS_TO_BUILD}
   Analysis
   CodeGen
   Core
   IPA
   IPO
   InstCombine
   Instrumentation
   MC