[llvm-bugs] [Bug 27855] New: bootstrap failure when -DLLVM_LINK_LLVM_DYLIB:BOOL=ON is used

[via llvm-bugs]

https://llvm.org/bugs/show_bug.cgi?id=27855

            Bug ID: 27855
           Summary: bootstrap failure when -DLLVM_LINK_LLVM_DYLIB:BOOL=ON
                    is used
           Product: new-bugs
           Version: trunk
          Hardware: Macintosh
                OS: MacOS X
            Status: NEW
          Severity: normal
          Priority: P
         Component: new bugs
          Assignee: unassignedbugs at nondot.org
          Reporter: howarth.mailing.lists at gmail.com
                CC: llvm-bugs at lists.llvm.org
    Classification: Unclassified

Current llvm trunk fails to bootstrap on x86_64-apple-darwin15 with the
error...

[ 97%] Linking CXX executable ../../bin/llvm-objdump
Undefined symbols for architecture x86_64:
  "_xar_serialize", referenced from:
      DumpBitcodeSection(llvm::object::MachOObjectFile*, char const*, unsigned
int, bool, bool, bool, std::__1::basic_string<char,
std::__1::char_traits<char>, std::__1::allocator<char> >) in MachODump.cpp.o
  "_xar_file_first", referenced from:
      DumpBitcodeSection(llvm::object::MachOObjectFile*, char const*, unsigned
int, bool, bool, bool, std::__1::basic_string<char,
std::__1::char_traits<char>, std::__1::allocator<char> >) in MachODump.cpp.o
  "_xar_iter_new", referenced from:
      DumpBitcodeSection(llvm::object::MachOObjectFile*, char const*, unsigned
int, bool, bool, bool, std::__1::basic_string<char,
std::__1::char_traits<char>, std::__1::allocator<char> >) in MachODump.cpp.o
  "_xar_prop_first", referenced from:
      DumpBitcodeSection(llvm::object::MachOObjectFile*, char const*, unsigned
int, bool, bool, bool, std::__1::basic_string<char,
std::__1::char_traits<char>, std::__1::allocator<char> >) in MachODump.cpp.o
  "_xar_extract_tobuffersz", referenced from:
      DumpBitcodeSection(llvm::object::MachOObjectFile*, char const*, unsigned
int, bool, bool, bool, std::__1::basic_string<char,
std::__1::char_traits<char>, std::__1::allocator<char> >) in MachODump.cpp.o
  "_xar_open", referenced from:
      DumpBitcodeSection(llvm::object::MachOObjectFile*, char const*, unsigned
int, bool, bool, bool, std::__1::basic_string<char,
std::__1::char_traits<char>, std::__1::allocator<char> >) in MachODump.cpp.o
  "_xar_prop_get", referenced from:
      DumpBitcodeSection(llvm::object::MachOObjectFile*, char const*, unsigned
int, bool, bool, bool, std::__1::basic_string<char,
std::__1::char_traits<char>, std::__1::allocator<char> >) in MachODump.cpp.o
  "_xar_close", referenced from:
      DumpBitcodeSection(llvm::object::MachOObjectFile*, char const*, unsigned
int, bool, bool, bool, std::__1::basic_string<char,
std::__1::char_traits<char>, std::__1::allocator<char> >) in MachODump.cpp.o
  "_xar_prop_next", referenced from:
      DumpBitcodeSection(llvm::object::MachOObjectFile*, char const*, unsigned
int, bool, bool, bool, std::__1::basic_string<char,
std::__1::char_traits<char>, std::__1::allocator<char> >) in MachODump.cpp.o
  "_xar_iter_free", referenced from:
      DumpBitcodeSection(llvm::object::MachOObjectFile*, char const*, unsigned
int, bool, bool, bool, std::__1::basic_string<char,
std::__1::char_traits<char>, std::__1::allocator<char> >) in MachODump.cpp.o
  "_xar_file_next", referenced from:
      DumpBitcodeSection(llvm::object::MachOObjectFile*, char const*, unsigned
int, bool, bool, bool, std::__1::basic_string<char,
std::__1::char_traits<char>, std::__1::allocator<char> >) in MachODump.cpp.o
ld: symbol(s) not found for architecture x86_64
clang: error: linker command failed with exit code 1 (use -v to see invocation)
tools/llvm-objdump/CMakeFiles/llvm-objdump.dir/build.make:173: recipe for
target 'bin/llvm-objdump' failed
make[2]: *** [bin/llvm-objdump] Error 1
make[2]: Target 'tools/llvm-objdump/CMakeFiles/llvm-objdump.dir/build' not
remade because of errors.
CMakeFiles/Makefile2:25056: recipe for target
'tools/llvm-objdump/CMakeFiles/llvm-objdump.dir/all' failed
make[1]: *** [tools/llvm-objdump/CMakeFiles/llvm-objdump.dir/all] Error 2

when -DLLVM_LINK_LLVM_DYLIB:BOOL=ON is passed to the cmake options.

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