Re: GCC 6.1 build fails with offloading support

[Vikram Singh <vikramsingh001 at gmail dot com>]

I tried the same steps with gcc 6.2. The same problem occurs.

Any help is appreciated.

On Wed, Aug 3, 2016 at 6:51 PM, Vikram Singh <vikramsingh001@gmail.com> wrote:
> I am trying to build GCC6.1 with openacc offloading support.
>
> I am using the following script.
>
> https://github.com/olcf/OLCFHack15/blob/master/GCC5OffloadTest/auto-gcc5-offload-openacc-build-install.sh
>
> I have used the same script previously to build gcc5.2 as well.
>
> I modified and used it to build gcc 6.1 on my machine with Linux Mint.
> It built successfully. This was using gcc 4.8
>
> The problem is when I try to build it on another machine. It stops
> giving the error,
>
> /bin/bash /test/Nvidia/OpenACC/OLCFHack15/gcc6/src/gcc/libgcc/../mkinstalldirs
> /test/Nvidia/OpenACC/OLCFHack15/gcc6/install/lib/gcc/x86_64-pc-linux-gnu/6.1.0/include
> /usr/bin/install -c -m 644 unwind.h
> /test/Nvidia/OpenACC/OLCFHack15/gcc6/install/lib/gcc/x86_64-pc-linux-gnu/6.1.0/include
> make[2]: Leaving directory
> `/test/Nvidia/OpenACC/OLCFHack15/gcc6/build/gcc6/x86_64-pc-linux-gnu/libgcc'
> /bin/bash: line 3: cd: x86_64-pc-linux-gnu/libstdc++-v3: No such file
> or directory
> make[1]: *** [install-target-libstdc++-v3] Error 1
>
> I thought it maybe was a problem with the gcc version. But the machine
> had gcc 4.4 and gcc 5.2. I used both of them, but they gave the same
> error.
>
> I then manually copied libstdc++ and then configured and compiled it,
> and reran the script and then it gets stuck at libsanitizer. I don't
> know whether the manual process will work for the whole thing, so I am
> raising this question.
>
> I know that another person has also experienced the same issue.
>
> Any ideas.
>
> Thanks,
> Vikram