[Llvm-bgq-discuss] build issues with bgclang on vesta

[Hal Finkel]

Sayan,

Thanks for reporting the problem. Looks like this is related to a new change in the V1R2M2 driver. I'll check it out...

 -Hal

----- Original Message -----
> From: "Sayan Ghosh" <sayandeep52 at gmail.com>
> To: llvm-bgq-discuss at lists.alcf.anl.gov
> Sent: Thursday, July 31, 2014 5:32:44 PM
> Subject: [Llvm-bgq-discuss] build issues with bgclang on vesta
> 
> 
> 
> Hi,
> 
> 
> I am new to Vesta, and having trouble building anything using
> bgclang, upon bgclang -v, I get the following output, which shows a
> link error:
> 
> 
> 
> [sghosh at vestalac1 build]$ bgclang -v
> clang version 3.5.0 (trunk)
> Target: powerpc64-bgq-linux
> Thread model: posix
> Found candidate GCC installation:
> /bgsys/drivers/toolchain/V1R2M2_base_4.7.2/gnu-linux-4.7.2/lib/gcc/powerpc64-bgq-linux/4.7.2
> Selected GCC installation:
> /bgsys/drivers/toolchain/V1R2M2_base_4.7.2/gnu-linux-4.7.2/lib/gcc/powerpc64-bgq-linux/4.7.2
> Candidate multilib: .;@m64
> Selected multilib: .;@m64
> "/home/projects/llvm/r209570-20140527/binutils/bin/ld"
> --hash-style=gnu --no-add-needed --build-id -m elf64ppc -static -o
> a.out
> /bgsys/drivers/toolchain/V1R2M2_base_4.7.2/gnu-linux-4.7.2/powerpc64-bgq-linux/lib/crt1.o
> /bgsys/drivers/toolchain/V1R2M2_base_4.7.2/gnu-linux-4.7.2/powerpc64-bgq-linux/lib/crti.o
> /bgsys/drivers/toolchain/V1R2M2_base_4.7.2/gnu-linux-4.7.2/lib/gcc/powerpc64-bgq-linux/4.7.2/crtbeginT.o
> -L/bgsys/drivers/toolchain/V1R2M2_base_4.7.2/gnu-linux-4.7.2/powerpc64-bgq-linux/lib
> -L/home/projects/llvm/r209570-20140527/sleef/lib
> -L/bgsys/drivers/toolchain/V1R2M2_base_4.7.2/gnu-linux-4.7.2/lib/gcc/powerpc64-bgq-linux/4.7.2
> -L/bgsys/drivers/toolchain/V1R2M2_base_4.7.2/gnu-linux-4.7.2/lib/gcc/powerpc64-bgq-linux/4.7.2/../../../../lib64
> -L/lib/../lib64 -L/usr/lib/../lib64
> -L/bgsys/drivers/toolchain/V1R2M2_base_4.7.2/gnu-linux-4.7.2/lib/gcc/powerpc64-bgq-linux/4.7.2/../../../../powerpc64-bgq-linux/lib
> -L/bgsys/drivers/toolchain/V1R2M2_base_4.7.2/gnu-linux-4.7.2/lib/gcc/powerpc64-bgq-linux/4.7.2/../../..
> -L/gpfs/vesta-home/projects/llvm/r209570-20140527/bin/../lib -L/lib
> -L/usr/lib --as-needed -lsleef --no-as-needed --start-group -lgcc
> -lgcc_eh -ldl -lc -lnss_files -lnss_dns -lresolv -lm --end-group
> /bgsys/drivers/toolchain/V1R2M2_base_4.7.2/gnu-linux-4.7.2/lib/gcc/powerpc64-bgq-linux/4.7.2/crtend.o
> /bgsys/drivers/toolchain/V1R2M2_base_4.7.2/gnu-linux-4.7.2/powerpc64-bgq-linux/lib/crtn.o
> /home/projects/llvm/r209570-20140527/binutils/bin/ld: cannot find
> -lnss_files
> /home/projects/llvm/r209570-20140527/binutils/bin/ld: cannot find
> -lnss_dns
> clang: error: linker command failed with exit code 1 (use -v to see
> invocation)
> 
> 
> My hello-world program also fails with the same link-time error:
> 
> 
> 
> [sghosh at vestalac1 tmp]$ bgclang -o tt tmp.c
> /home/projects/llvm/r209570-20140527/binutils/bin/ld: cannot find
> -lnss_files
> /home/projects/llvm/r209570-20140527/binutils/bin/ld: cannot find
> -lnss_dns
> clang: error: linker command failed with exit code 1 (use -v to see
> invocation)
> 
> 
> I am following the instructions given in:
> http://www.alcf.anl.gov/user-guides/bgclang-compiler#using-bgclang-on-vesta,-mira-and-cetus
> 
> 
> My .soft file:
> 
> 
> 
> +bgqdriver-V1R2M2
> +bgqtoolchain-gcc472
> +cmake
> +mpiwrapper-bgclang
> 
> 
> Thanks. --
> 
> 
> Regards, Sayan
> 
> _______________________________________________
> llvm-bgq-discuss mailing list
> llvm-bgq-discuss at lists.alcf.anl.gov
> https://lists.alcf.anl.gov/mailman/listinfo/llvm-bgq-discuss
> 

-- 
Hal Finkel
Assistant Computational Scientist
Leadership Computing Facility
Argonne National Laboratory