Link liblldb.so with LLVMObjCARCOpts.a

[krytarowski]

Summary

Problems reported on NetBSD:

llvm[4]: Linking Debug+Asserts executable lldb
/tmp/build-llvm/Debug+Asserts/lib/liblldb.so: undefined reference to `llvm::createObjCARCExpandPass()'
/tmp/build-llvm/Debug+Asserts/lib/liblldb.so: undefined reference to `llvm::createObjCARCOptPass()'
/tmp/build-llvm/Debug+Asserts/lib/liblldb.so: undefined reference to `llvm::createObjCARCAPElimPass()'
/tmp/build-llvm/Debug+Asserts/lib/liblldb.so: undefined reference to `llvm::createObjCARCContractPass()'
clang: error: linker command failed with exit code 1 (use -v to see invocation)
 /tmp/llvm/Makefile.rules:1434: recipe for target '/tmp/build-llvm/Debug+Asserts/bin/lldb' failed

[krytarowski]

Older reports: https://llvm.org/bugs/show_bug.cgi?id=18214

[sas]

I suppose this is not a NetBSD issue and the Makefiles just got out of sync with the CMake build system. Correct?

[krytarowski]

In D12749#243410, @sas wrote:

I suppose this is not a NetBSD issue and the Makefiles just got out of sync with the CMake build system. Correct?

It seems so.

[brucem]

Yes, Ted Woodward and others have mentioned having this issue on the buildbots.

[brucem]

I needed this fix in place to test some other build system changes, so I landed it. Thanks!

lldb/trunk/lib/Makefile

USEDLIBS = lldbAPI.a \
   clangDriver.a \
   clangEdit.a \
   clangLex.a \
   clangParse.a \
   clangSema.a \
   clangSerialization.a \
   LLVMMCDisassembler.a \
   LLVMProfileData.a \
+  LLVMObjCARCOpts.a \
   lldbPluginPlatformMacOSX.a \
   lldbPluginPlatformLinux.a \
   lldbPluginPlatformWindows.a \
   lldbPluginPlatformFreeBSD.a \
   lldbPluginPlatformPOSIX.a \
   lldbPluginPlatformKalimba.a \
   lldbPluginPlatformAndroid.a \
   lldbPluginScriptInterpreterNone.a \