[LLVMbugs] [Bug 2771] New: opt loads LLVMHello only when called from build directory, fails from installed

[bugzilla-daemon at cs.uiuc.edu]

http://llvm.org/bugs/show_bug.cgi?id=2771

           Summary: opt loads LLVMHello only when called from build
                    directory, fails from installed
           Product: libraries
           Version: 2.3
          Platform: Macintosh
        OS/Version: MacOS X
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Transformation Utilities
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: israfel33 at gmail.com
                CC: llvmbugs at cs.uiuc.edu


Once llvm is build, opt can only be called from Release/bin/opt to load
LLVMHello. If called from directory where llvm is installed, it fails. Works
fine on Linux.

make -C lib/Transforms/Hello
Works:
Release/bin/opt -load=Release/lib/LLVMHello.dylib -help|grep hello
    -hello                                - Hello World Pass
    -hello2                               - Hello World Pass (with
getAnalysisUsage implemented)

Fails:
/opt/llvm/bin/opt -load=Release/lib/LLVMHello.dylib -help|grep hello
Error opening '/opt/llvm/lib/LLVMHello.dylib':
dlopen(/opt/llvm/lib/LLVMHello.dylib, 9): Symbol not found:
__ZN4llvm12FunctionPass11runOnModuleERNS_6ModuleE
  Referenced from: /opt/llvm/lib/LLVMHello.dylib
  Expected in: dynamic lookup

  -load request ignored.

Also fails:
/opt/llvm/bin/opt -load=/opt/llvm/lib/LLVMHello.dylib -help|grep hello
Error opening '/opt/llvm/lib/LLVMHello.dylib':
dlopen(/opt/llvm/lib/LLVMHello.dylib, 9): Symbol not found:
__ZN4llvm12FunctionPass11runOnModuleERNS_6ModuleE
  Referenced from: /opt/llvm/lib/LLVMHello.dylib
  Expected in: dynamic lookup

  -load request ignored.


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