[llvm-bugs] [Bug 27830] New: Undefined references linking lib/libc++.so

[via llvm-bugs]

https://llvm.org/bugs/show_bug.cgi?id=27830

            Bug ID: 27830
           Summary: Undefined references linking lib/libc++.so
           Product: Build scripts
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: release blocker
          Priority: P
         Component: Makefiles
          Assignee: unassignedbugs at nondot.org
          Reporter: t.mcglinn at gmail.com
                CC: llvm-bugs at lists.llvm.org
    Classification: Unclassified

Created attachment 16392
  --> https://llvm.org/bugs/attachment.cgi?id=16392&action=edit
output of cmake -G "Unix Makefiles" ../llvm

Following the instructions on http://clang.llvm.org/get_started.html
I've taken all the steps, even the optional ones, for linux.

At step 7, make fails when trying to link ../../lib/libc++.so because of
undefined references such as:
`__cxa_guard_acquire'

I've attached the (stdout & stderr) output from make using 
`make &> llvm_make_error.txt`

Cmake output seems fine, attached that as well.



tama at TARDIS:~/llvmbuild$ uname --all
Linux TARDIS 3.13.0-76-generic #120-Ubuntu SMP Mon Jan 18 15:58:41 UTC 2016
i686 athlon i686 GNU/Linux

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