[LLVMbugs] [Bug 17428] New: [Windows toolchain] Developer Command Prompt for VS2012 clang++ link fails

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=17428

            Bug ID: 17428
           Summary: [Windows toolchain] Developer Command Prompt for
                    VS2012 clang++ link fails
           Product: new-bugs
           Version: trunk
          Hardware: PC
                OS: Windows NT
            Status: NEW
          Severity: normal
          Priority: P
         Component: new bugs
          Assignee: unassignedbugs at nondot.org
          Reporter: bdawes at acm.org
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified

Created attachment 11312
  --> http://llvm.org/bugs/attachment.cgi?id=11312&action=edit
Output from clang++ showing link failures

Running under the "Developer Command Prompt for VS2012", this program:

#include <iostream>
int main()
{
  std::cout << "Hello, world\n";
}

compiles and runs fine with VC++ 2012, using the command lines:

>cl hello.cpp
>hello

using the command line:

>clang++ hello.cpp

It compiles OK, but the link fails with messages like:

hello-111ee3.o : error LNK2019: unresolved external symbol __ZSt4cout
referenced in function _main

Attached is the output file created by this command line:

>clang++ -v hello.cpp >clang++.log 2>&1

Feel free to contact me for more information.

--Beman Dawes

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