[LLVMbugs] [Bug 12918] New: compiler-rt build for iOS (armv6) is broken

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=12918

             Bug #: 12918
           Summary: compiler-rt build for iOS (armv6) is broken
           Product: compiler-rt
           Version: unspecified
          Platform: PC
        OS/Version: MacOS X
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: compiler-rt
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: glider at google.com
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified


I'm building compiler-rt for AddressSanitizer according to
http://code.google.com/p/address-sanitizer/wiki/HowToBuild

The following command fails when running make:

  ARCHIVE:   clang_darwin/ios/armv6:
/Users/buildbot/src/llvm-buildbot/slave/mac10.6/build/llvm-build/tools/clang/runtime/compiler-rt/clang_darwin/ios/armv6/libcompiler_rt.a
make[5]: ***
[/Users/buildbot/src/llvm-buildbot/slave/mac10.6/build/llvm-build/tools/clang/runtime/compiler-rt/clang_darwin/ios/armv6/libcompiler_rt.a]
Error 1

Setting VERBOSE=1 prints the failing command:

ar cru 
/Users/glider/src/asan/llvm/build/tools/clang/runtime/compiler-rt/clang_darwin/ios/armv6/libcompiler_rt.a
/Users/glider/src/asan/llvm/build/tools/clang/runtime/compiler-rt/clang_darwin/ios/armv6/SubDir.lib__arm/divmodsi4.o
 
/Users/glider/src/asan/llvm/build/tools/clang/runtime/compiler-rt/clang_darwin/ios/armv6/SubDir.lib/int_util.o
 
/Users/glider/src/asan/llvm/build/tools/clang/runtime/compiler-rt/clang_darwin/ios/armv6/SubDir.lib/mulodi4.o
 
/Users/glider/src/asan/llvm/build/tools/clang/runtime/compiler-rt/clang_darwin/ios/armv6/SubDir.lib/mulosi4.o
 
/Users/glider/src/asan/llvm/build/tools/clang/runtime/compiler-rt/clang_darwin/ios/armv6/SubDir.lib/muloti4.o
 
/Users/glider/src/asan/llvm/build/tools/clang/runtime/compiler-rt/clang_darwin/ios/armv6/SubDir.lib__arm/restore_vfp_d8_d15_regs.o
 
/Users/glider/src/asan/llvm/build/tools/clang/runtime/compiler-rt/clang_darwin/ios/armv6/SubDir.lib__arm/save_vfp_d8_d15_regs.o
 
/Users/glider/src/asan/llvm/build/tools/clang/runtime/compiler-rt/clang_darwin/ios/armv6/SubDir.lib__arm/switch16.o
 
/Users/glider/src/asan/llvm/build/tools/clang/runtime/compiler-rt/clang_darwin/ios/armv6/SubDir.lib__arm/switch32.o
 
/Users/glider/src/asan/llvm/build/tools/clang/runtime/compiler-rt/clang_darwin/ios/armv6/SubDir.lib__arm/switch8.o
 
/Users/glider/src/asan/llvm/build/tools/clang/runtime/compiler-rt/clang_darwin/ios/armv6/SubDir.lib__arm/switchu8.o
 
/Users/glider/src/asan/llvm/build/tools/clang/runtime/compiler-rt/clang_darwin/ios/armv6/SubDir.lib__arm/sync_synchronize.o
 
/Users/glider/src/asan/llvm/build/tools/clang/runtime/compiler-rt/clang_darwin/ios/armv6/SubDir.lib__arm/udivmodsi4.o
, which results in:


/usr/bin/ranlib: object:
/Users/glider/src/asan/llvm/build/tools/clang/runtime/compiler-rt/clang_darwin/ios/armv6/libcompiler_rt.a(int_util.o)
malformed object (unknown load command 1)

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