[llvm-bugs] [Bug 26392] New: Polly requires additional linkages on darwin

[via llvm-bugs]

https://llvm.org/bugs/show_bug.cgi?id=26392

            Bug ID: 26392
           Summary: Polly requires additional linkages on darwin
           Product: Polly
           Version: unspecified
          Hardware: Macintosh
                OS: MacOS X
            Status: NEW
          Severity: normal
          Priority: P
         Component: Other
          Assignee: polly-dev at googlegroups.com
          Reporter: howarth.mailing.lists at gmail.com
                CC: llvm-bugs at lists.llvm.org
    Classification: Unclassified

The Polly shared library requires additional linkages on darwin. The current
linkage in lib/CMakeLists.txt is limited to....

if (BUILD_SHARED_LIBS)
  target_link_libraries(Polly
    LLVMSupport
    LLVMCore
    LLVMScalarOpts
    LLVMInstCombine
    LLVMTransformUtils
    LLVMAnalysis
    LLVMipo
    LLVMMC
  )
  link_directories(
    ${LLVM_LIBRARY_DIR}
  )
endif()

However darwin requires the additional linkages of...

LLVMBitReader
LLVMMCParser
LLVMObject
LLVMProfileData
LLVMTarget
LLVMVectorize

as the darwin requires all of the weak undefined symbols in a library to be
resolved when linking it against an executable (unless
-Wl,-undefined,dynamic_lookup is used to override the default behavior of
-Wl,-undefined,error).

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