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Re: [charm] Controlling the compiler used to build charm++ (repost)


Chronological Thread 
  • From: Marc F Paterno <paterno AT fnal.gov>
  • To: Phil Miller <mille121 AT illinois.edu>
  • Cc: "charm AT cs.uiuc.edu" <charm AT cs.uiuc.edu>
  • Subject: Re: [charm] Controlling the compiler used to build charm++ (repost)
  • Date: Thu, 9 Feb 2017 22:55:34 +0000
  • Accept-language: en-US
  • Spamdiagnosticmetadata: NSPM
  • Spamdiagnosticoutput: 1:99

Hi Phil,

Please find the requested log file, attached.

--Marc


> On Feb 9, 2017, at 4:20 PM, Phil Miller
> <mille121 AT illinois.edu>
> wrote:
>
> Hi Marc,
>
> (Yes, this is the correct list for this. Our apologies for not responding
> sooner)
>
> What you describe doing sounds like it should work correctly. Could you
> send us the multicore-darwin-x86_64/tmp/config.log file? The top of that
> file should show the path and command lines used during compilation.
>
> Phil
>
> On Thu, Feb 9, 2017 at 4:10 PM, Marc F Paterno
> <paterno AT fnal.gov>
> wrote:
> Hello,
>
> [This is a repost of a query I sent on January 31. I have not received any
> replies yet. If this is off-topic for this list, I apologize, and would
> appreciate a suggestion of where I should redirect the query. Thanks!]
>
> I am trying to use charm++ v6.7.1 on macOS Sierra, and trying to build it
> using a specific version of GCC.
>
> The projects on which I am working require C++14, so I am using GCC 6.3.0
> (for which C++14 is the default language standard). The environment which I
> establish has the correct version of GCC in the PATH, so that running 'g++'
> at the bash prompt find the right version of the compiler I also have
> DYLD_LIBRARY_PATH set to find the GCC libraries. I have SIP disabled on my
> machine, so that the setting of DYLD_LIBRARY_PATH is not lost in spawned
> subshells.
>
> I understand how to make the Charm++ compiler driver charmc use the
> compiler I have specified, by using the -cc and -c++ flags in my Makefile.
> I can verify that the resulting executable was actually built using my
> version of GCC. For example, using 'otool -L', I can see that my executable
> depends on libstdc++.6.dylib from the right directory for my GCC version,
> and not upon libc++.1.dylib, which is what clang uses by default.
>
> I have built charm++ using the command
> $> ./build charm++ multicore-darwin-x86_64 --with-production -j8 \
> --build-shared gcc
>
> When I look at the dynamic libraries in the
> directorycharm-6.7.1/multicore-darwin-x86_64-gcc/lib_so/, 'otool -L' tells
> me that they depend upon /usr/lib/libc++.1.dylib, leading me to believe
> they were compiled not by the GCC I want to use, but by clang.
>
> I believe this will eventually cause me trouble, because the C++ standard
> library with which charm++ itself was compiled is not binary compatible
> with the libraries I am building which GCC.
>
> Can anyone point me to instructions on how to build charm++ using a GCC
> that I specify, on macOS Sierra?
>
> thanks
> Marc
>

Attachment: config.log
Description: config.log




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