[llvm-bugs] [Bug 39693] New: LLVM from sources and hang after "Looking for __cxa_throw in stdc++ - found"

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=39693

            Bug ID: 39693
           Summary: LLVM from sources and hang after "Looking for
                    __cxa_throw in stdc++ - found"
           Product: Build scripts
           Version: 7.0
          Hardware: PC
                OS: Windows NT
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: cmake
          Assignee: unassignedbugs at nondot.org
          Reporter: noloader at gmail.com
                CC: llvm-bugs at lists.llvm.org

I'm working on an old PowerMac. I am trying to build LLVM/Clang from sources.
MacPorts does not provide an updated Clang compiler. I am bootstrapping the
process with MacPorts GCC 5 compiler (to satisfy the GCC 4.8 minimum).

My build script works fine on Fedora 29 x86_64. On the PowerMac it is having
some trouble. The build script is at https://github.com/noloader/build-llvm .

On the PowerMac the script hangs at:

-- Performing Test COMPILER_RT_HAS_WD4722_FLAG
-- Performing Test COMPILER_RT_HAS_WD4722_FLAG - Failed
-- Performing Test COMPILER_RT_HAS_WD4800_FLAG
-- Performing Test COMPILER_RT_HAS_WD4800_FLAG - Failed
-- Looking for __func__
-- Looking for __func__ - found
-- Looking for dlopen in dl
-- Looking for dlopen in dl - found
-- Looking for shm_open in rt
-- Looking for shm_open in rt - not found
-- Looking for pow in m
-- Looking for pow in m - found
-- Looking for pthread_create in pthread
-- Looking for pthread_create in pthread - found
-- Looking for __cxa_throw in c++
-- Looking for __cxa_throw in c++ - not found
-- Looking for __cxa_throw in stdc++
-- Looking for __cxa_throw in stdc++ - found
<hang here>

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