[LLVMbugs] [Bug 2290] New: llvm-gcc doesn't bootstrap on arm-qemu (linux)

[bugzilla-daemon at cs.uiuc.edu]

http://llvm.org/bugs/show_bug.cgi?id=2290

           Summary: llvm-gcc doesn't bootstrap on arm-qemu (linux)
           Product: new-bugs
           Version: unspecified
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: new bugs
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: nlewycky at google.com
                CC: llvmbugs at cs.uiuc.edu


llvm-gcc build dails with the error "Did not get a target machine!" which is
emitted by this block of code in gcc/llvm-backend.cpp:

  // Create the TargetMachine we will be generating code with.
  // FIXME: Figure out how to select the target and pass down subtarget info.
  std::string Err;
  const TargetMachineRegistry::entry *TME = 
    TargetMachineRegistry::getClosestStaticTargetForModule(*TheModule, Err);
  if (!TME) {
    cerr << "Did not get a target machine!\n";
    exit(1);
  }

I wasn't quite able to figure out how getClosestStaticTargetForModule matches
the target type. The GCC target triple is "armv5tejl-unknown-linux-gnu". uname
-a says:

Linux debian-arm 2.6.18-6-versatile #1 Thu Feb 14 01:25:13 CET 2008 armv5tejl
GNU/Linux

I'd appreciate a hint on how to diagnose the problem.


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